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AIR FORCE INSTALLATION ID: CA957172433700

Mcclellan Air Force Base

sacramento, California

Cost So Far

$817M

Money already spent on the evaluation and cleanup of hazardous sites.

Expected Additional Cost

$105M

The estimated amount of money needed for evaluation and cleanup of hazardous sites at this installation.

Expected Completion Date

2050

The date by which the DOD estimates cleanup of all sites will be complete. Long term monitoring may continue after this date.

338 Hazardous Sites

Below are the locations of hazardous sites associated with this military installation, according to the DOD. A site’s contamination may affect a much larger area, including public and private lands and the water supplies beneath them.

High Risk

Medium Risk

Low Risk

Risk Not Evaluated or Not Required

Response Complete

We haven't independently confirmed the location of every site. If you notice a site placed at the incorrect location, please contact us.

Not all sites in the DOD data include location information, so there may be sites listed below that are missing from the map. The risk level of a site refers to a relative risk assessment made by the DOD to prioritize the cleanup of sites.

Land Controls & Restrictions

Many sites have been declared “clean” by the DOD but are still not safe for people. This military installation is safe only with the following conditions in place: deed restrictions. see more » environmental covenants deed restrictions mitigate for possible vapor intrusion risks prohibits limiting access to remedial equipment or systems prohibits disturbing remedial equipment or systems restrict the injection, percolation, or allow infiltration of water/other fluids into the groundwater where it may affect groundwater flow restricts the surface application or injection of water or other fluids without a prior written plan approved by the air force, u.s. epa, and state « see less

167 Active Sites

Sites where military cleanup actions are still ongoing. The risk level of a site refers to a relative risk assessment made by the DOD, which prioritizes the cleanup of sites that pose greatest threat to safety, human health, and the environment.

Site ID: SD101

SOL./PAINT SPRAY BOOTHS

Storm Drain

Cost

$15K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Antimony and compounds 0.13 ug/L Ethyl benzene 0.16 ug/L o-Xylene 0.17 ug/L Lead 0.19 ug/L Cobalt 0.26 ug/L Molybdenum 0.27 ug/L Bromodichloromethane 0.3 ug/L Chlorodibromomethane 0.41 ug/L Dichlorodifluoromethane 0.41 ug/L cis-1,2-Dichloroethylene 0.5 ug/L Bromoform 0.5 ug/L Copper and compounds 0.56 ug/L Selenium 0.67 ug/L 1,2-Dichloroethene 0.71 ug/L 1,1-Dichloroethane 1.0 ug/L Carbon Dichloride 1.1 ug/L Methylene Chloride 1.4 ug/L 1,1-Dichloroethylene 2.2 ug/L Chloroform 2.3 ug/L Arsenic 3.3 ug/L Manganese and compounds 5.3 ug/L Acetone 6.8 ug/L Carbon Tetrachloride 7.3 ug/L Chromium 8.2 ug/L Trichloroethylene (TCE) 8.8 ug/L Aluminum 20.0 ug/L Zinc 21.0 ug/L Vanadium 22.0 ug/L Freon 113 23.0 ug/L Trichlorofluoromethane 26.0 ug/L Nickel (Soluble Salts) 38.0 ug/L Barium 71.0 ug/L Iron 110.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Naphthalene 0.0036000000000000003 mg/kg Methylene Chloride 0.0074 mg/kg 1,1-Dichloroethane 0.0077 mg/kg 1,1-Dichloroethylene 0.012 mg/kg 1,1,2-Trichloroethane 0.014 mg/kg Carbon Dichloride 0.084 mg/kg 1,1,1-Trichloroethane 0.13 mg/kg Cadmium and compounds 0.2325 mg/kg Beryllium and compounds 0.3225 mg/kg Silver and compounds 2.0 mg/kg Cobalt 8.405 mg/kg Lead 13.0 mg/kg Nickel (Soluble Salts) 17.075 mg/kg Chromium 17.45 mg/kg Copper and compounds 23.3 mg/kg Vanadium 44.975 mg/kg Zinc 55.6 mg/kg Barium 164.25 mg/kg Manganese and compounds 326.25 mg/kg Aluminum 13012.5 mg/kg Iron 20175.0 mg/kg

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Site ID: ST148

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Copper and compounds 7.24 mg/kg Cobalt 7.32 mg/kg Lead 9.74 mg/kg Chromium 16.1 mg/kg Zinc 22.8 mg/kg Nickel (Soluble Salts) 23.900000000000002 mg/kg Arsenic 35.565 mg/kg Vanadium 37.1 mg/kg Barium 170.0 mg/kg Manganese and compounds 230.0 mg/kg Iron 12300.0 mg/kg Aluminum 12800.0 mg/kg

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Site ID: AOC313P

PFC - FIRE TRAINING AREA

Fire/Crash Training Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2021

Site ID: CTU001

231 BLDG 231

Underground Storage Tanks

Cost

$7,000

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2015

Site ID: DP020

SLUDGE/OIL PIT

Disposal Pit and Dry Well

Cost

$247K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 3.25e-06 mg/kg 8,9-Benzofluoranthene 0.0015 mg/kg Benzo(a)Pyrene 0.0022500000000000003 mg/kg Chrysene 0.0023 mg/kg Indeno(1,2,3-cd)Pyrene 0.0024 mg/kg 1,2-Benzacenaphthene 0.00265 mg/kg Benz(a)Anthracene 0.0029 mg/kg 2,3-Benzofluoranthene 0.0029500000000000004 mg/kg Benzo(def)Phenanthrene 0.00435 mg/kg Dibenz[ah]anthracene 0.0060999999999999995 mg/kg Beryllium and compounds 0.27 mg/kg Antimony and compounds 0.34 mg/kg Silver and compounds 0.49666666670000004 mg/kg Cadmium and compounds 1.8666666667 mg/kg Arsenic 2.7333333333 mg/kg Naphthalene 2.875 mg/kg Cobalt 7.333333333300001 mg/kg Copper and compounds 18.666666667 mg/kg Lead 18.833333333 mg/kg Nickel (Soluble Salts) 21.0 mg/kg Chromium 32.666666667 mg/kg Zinc 34.333333333000006 mg/kg Vanadium 41.333333333000006 mg/kg Barium 83.0 mg/kg Manganese and compounds 230.0 mg/kg Aluminum 10166.666667 mg/kg Iron 15333.333333 mg/kg

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Site ID: ST146

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Acenaphthene 0.0004 mg/kg 8,9-Benzofluoranthene 0.009000000000000001 mg/kg Benz(a)Anthracene 0.016 mg/kg 2,3-Benzofluoranthene 0.02 mg/kg Chrysene 0.021 mg/kg Benzo(a)Pyrene 0.023 mg/kg Anthracene 0.03 mg/kg Dibutyl Phthalate 0.04 mg/kg Dibenzofuran 0.042 mg/kg Benzo(def)Phenanthrene 0.0485 mg/kg 1,2-Benzacenaphthene 0.049 mg/kg Fluorene 0.0563333333 mg/kg Butyl Benzyl Phthalate 0.07 mg/kg Silver and compounds 0.08 mg/kg Cadmium and compounds 0.425 mg/kg Beryllium and compounds 0.42666666670000003 mg/kg Molybdenum 0.97 mg/kg 2-Methylnaphthalene 2.04 mg/kg Selenium 2.5 mg/kg 2,4-Dimethylphenol 2.6 mg/kg Arsenic 3.725 mg/kg Lead 8.0 mg/kg Cobalt 9.916666666700001 mg/kg Naphthalene 11.9 mg/kg Chromium 21.45 mg/kg Nickel (Soluble Salts) 22.875 mg/kg Copper and compounds 26.1 mg/kg Zinc 39.9 mg/kg Vanadium 47.5 mg/kg Barium 297.36666667000003 mg/kg Manganese and compounds 306.0 mg/kg Aluminum 11503.333333 mg/kg Iron 18830.0 mg/kg

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Site ID: ST150

STODDARD SOLVENT TANK

Underground Storage Tanks

Cost

$15K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2017

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Lead 0.048 ug/L Carbon Dichloride 0.0998 ug/L Cobalt 0.1 ug/L Freon 113 0.131 ug/L Ethyl benzene 0.258 ug/L Methylene Chloride 0.298 ug/L Chloroform 0.36 ug/L Molybdenum 0.41 ug/L cis-1,2-Dichloroethylene 0.48 ug/L o-Xylene 0.512 ug/L Selenium 0.66 ug/L Copper and compounds 1.2 ug/L Benzene, methyl- 1.2126667 ug/L Manganese and compounds 1.4 ug/L Arsenic 2.7 ug/L Trichloroethylene (TCE) 2.8 ug/L Nickel (Soluble Salts) 3.3 ug/L Acetone 3.4 ug/L Aluminum 3.8 ug/L Zinc 4.9 ug/L Hexachlorobutadiene 11.9 ug/L Cumene 15.1 ug/L Chromium 18.0 ug/L Vanadium 21.0 ug/L Barium 130.0 ug/L Iron 180.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Bis(2-Ethylhexyl)Phthalate 0.085 mg/kg Benzo(a)Pyrene 96.0 mg/kg

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Site ID: ST171

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Nov 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Benzene 0.003 mg/kg o-Xylene 0.0040999999999999995 mg/kg Bis(2-Ethylhexyl)Phthalate 0.09 mg/kg 1,2-Benzacenaphthene 0.27 mg/kg Carbon Dichloride 0.523875 mg/kg 2-Methylnaphthalene 1.2 mg/kg Trichloroethylene (TCE) 2.0174285714 mg/kg Naphthalene 2.29 mg/kg

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Site ID: ST189

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2015

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Benzene, chloro- 0.012 mg/kg Antimony and compounds 0.39 mg/kg Beryllium and compounds 0.425 mg/kg Molybdenum 0.6 mg/kg cis-1,2-Dichloroethylene 0.70145 mg/kg Carbon Dichloride 1.4530999999999998 mg/kg Cadmium and compounds 2.0 mg/kg Naphthalene 2.3666666667 mg/kg Trichloroethylene (TCE) 5.420640000000001 mg/kg Cobalt 9.05 mg/kg Arsenic 9.1 mg/kg Silver and compounds 12.4 mg/kg Nickel (Soluble Salts) 21.95 mg/kg Chromium 36.15 mg/kg Copper and compounds 37.550000000000004 mg/kg Lead 38.0 mg/kg Vanadium 40.7 mg/kg Zinc 49.65 mg/kg Barium 153.85 mg/kg Manganese and compounds 396.5 mg/kg Aluminum 12650.0 mg/kg Iron 17650.0 mg/kg

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Site ID: ST173

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

This site is under ongoing monitoring until Dec 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Acenaphthene 0.0008 mg/kg 2,3-Benzofluoranthene 0.0009000000000000001 mg/kg Anthracene 0.0015 mg/kg Chrysene 0.0028 mg/kg Dibenz[ah]anthracene 0.0035 mg/kg Indeno(1,2,3-cd)Pyrene 0.00365 mg/kg Acetone 0.00415 mg/kg 8,9-Benzofluoranthene 0.006 mg/kg Benzo(a)Pyrene 0.0066 mg/kg Benzo(def)Phenanthrene 0.011300000000000001 mg/kg Benz(a)Anthracene 0.0116 mg/kg 1,2-Benzacenaphthene 0.013000000000000001 mg/kg Beryllium and compounds 0.385 mg/kg Molybdenum 0.71 mg/kg Arsenic 4.9 mg/kg Lead 5.8500000000000005 mg/kg Cobalt 10.15 mg/kg Nickel (Soluble Salts) 21.2 mg/kg Chromium 23.05 mg/kg Copper and compounds 25.45 mg/kg Zinc 49.5 mg/kg Vanadium 54.1 mg/kg Barium 174.5 mg/kg Manganese and compounds 479.5 mg/kg Aluminum 15150.0 mg/kg Iron 23300.0 mg/kg

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Site ID: ST149

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$15K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Site ID: DP065

BURN PIT

Disposal Pit and Dry Well

Cost

$248K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: DDE 0.0025 mg/kg DDT 0.006500000000000001 mg/kg Silver and compounds 0.0363333333 mg/kg o-Xylene 0.0533333333 mg/kg DDD 0.06422 mg/kg Selenium 0.078 mg/kg Antimony and compounds 0.082 mg/kg Cadmium and compounds 0.0855 mg/kg Benzene, chloro- 0.092 mg/kg Molybdenum 0.107 mg/kg Methylene Chloride 0.13 mg/kg Bis(2-Ethylhexyl)Phthalate 0.2323333333 mg/kg Benzene, methyl- 0.3333333333 mg/kg Beryllium and compounds 0.39 mg/kg 2-Methylnaphthalene 0.47000000000000003 mg/kg Naphthalene 1.025 mg/kg Cyanide (free) 1.1 mg/kg Arsenic 1.6333333333000002 mg/kg 2,4-Dimethylphenol 1.8 mg/kg 1,2-Dichlorobenzene 3.33 mg/kg Lead 4.4 mg/kg Benzene, p-dichloro- 7.015000000000001 mg/kg Cobalt 7.4333333333 mg/kg Copper and compounds 10.166666667 mg/kg Nickel (Soluble Salts) 19.333333333 mg/kg Chromium 21.666666667 mg/kg Zinc 23.333333333 mg/kg Vanadium 31.666666667 mg/kg Barium 153.33333333 mg/kg Manganese and compounds 190.0 mg/kg Aluminum 7033.3333333 mg/kg Iron 13000.0 mg/kg

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Site ID: ST209

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.04 ug/L Cobalt 0.046 ug/L Methylene Chloride 0.0516 ug/L Chloromethane (methyl chloride) 0.0723 ug/L Benzene 0.0832 ug/L Antimony and compounds 0.1 ug/L Methylene Bromide 0.159 ug/L Molybdenum 0.17 ug/L Benzene, methyl- 0.171 ug/L 1,1-Dichloroethane 0.2 ug/L Trichlorofluoromethane 0.2 ug/L 1,1-Dichloroethylene 0.21 ug/L Freon 113 0.21 ug/L 1,1,2-Trichloroethane 0.24 ug/L 1,2-trans-dichloroethylene 0.29 ug/L Hexachlorobutadiene 0.369 ug/L Bromodichloromethane 0.48 ug/L Carbon Tetrachloride 0.51 ug/L 1,2-Dichloroethane (EDC) 0.62 ug/L Selenium 0.64 ug/L 1,2-Dichlorobenzene 0.672 ug/L Bromoform 0.786 ug/L Chloroform 0.91 ug/L Arsenic 2.0 ug/L Lead 2.7 ug/L Carbon Dichloride 2.8 ug/L Copper and compounds 3.3 ug/L Nickel (Soluble Salts) 3.4 ug/L Aluminum 4.0 ug/L cis-1,2-Dichloroethylene 4.5 ug/L Vinyl 2-Chloroethyl Ether 5.46 ug/L Manganese and compounds 6.2 ug/L Zinc 7.0 ug/L Vanadium 16.0 ug/L Benzene, chloro- 17.0 ug/L Trichloroethylene (TCE) 20.0 ug/L Acetone 23.2 ug/L Chromium 42.0 ug/L Iron 85.0 ug/L Barium 170.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Benzo(a)Pyrene 0.14100000000000001 mg/kg Silver and compounds 0.15 mg/kg 2,3-Benzofluoranthene 0.165 mg/kg Benz(a)Anthracene 0.169 mg/kg Chrysene 0.181 mg/kg 1,2-Benzacenaphthene 0.264 mg/kg Molybdenum 0.319 mg/kg Cadmium and compounds 0.32739999999999997 mg/kg Benzo(def)Phenanthrene 0.362 mg/kg Beryllium and compounds 0.3725 mg/kg Arsenic 5.71 mg/kg Cobalt 10.875 mg/kg Copper and compounds 25.55 mg/kg Lead 26.485 mg/kg Nickel (Soluble Salts) 34.32 mg/kg Chromium 36.95 mg/kg Zinc 52.833333333000006 mg/kg Vanadium 53.45 mg/kg Barium 186.8 mg/kg Manganese and compounds 328.5 mg/kg Aluminum 14450.0 mg/kg Iron 21300.0 mg/kg

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Site ID: DP272

AOC H-11 (BUILDING 280)

Disposal Pit and Dry Well

Cost

$236K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2017

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Bis(2-Ethylhexyl)Phthalate 0.0586666667 mg/kg Beryllium and compounds 0.4 mg/kg Cadmium and compounds 0.665 mg/kg Molybdenum 0.8466666667 mg/kg Cobalt 9.966666666700002 mg/kg Nickel (Soluble Salts) 19.033333332999998 mg/kg Chromium 20.766666667000003 mg/kg Copper and compounds 23.8 mg/kg Vanadium 45.733333333000004 mg/kg Zinc 48.566666667 mg/kg Benzo(a)Pyrene 102.0 mg/kg Barium 195.0 mg/kg Manganese and compounds 317.0 mg/kg Aluminum 12773.333333 mg/kg Iron 20533.333333000002 mg/kg

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Site ID: DP310

WASTEPILE

Disposal Pit and Dry Well

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2015

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Methoxychlor 0.00076 mg/kg Dieldrin 0.0031000000000000003 mg/kg Aroclor 1254 0.037 mg/kg Selenium 0.2466666667 mg/kg Molybdenum 0.36 mg/kg Beryllium and compounds 0.5433333333000001 mg/kg Arsenic 1.5666666667 mg/kg Silver and compounds 2.0733333333 mg/kg Cadmium and compounds 4.041 mg/kg Cobalt 6.6666666667 mg/kg Copper and compounds 13.866666667 mg/kg Nickel (Soluble Salts) 25.333333333 mg/kg Lead 35.933333333 mg/kg Zinc 44.0 mg/kg Vanadium 52.333333333000006 mg/kg Chromium 76.0 mg/kg Barium 136.66666667 mg/kg Manganese and compounds 210.0 mg/kg Iron 20333.333333000002 mg/kg Aluminum 21000.0 mg/kg

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Site ID: LF010

LANDFILL

Landfill

Cost

$7.18M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2020

This site is under ongoing monitoring until Sep 2049

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.043 ug/L 1,1,1-Trichloroethane 0.0637 ug/L Freon 113 0.0825 ug/L Antimony and compounds 0.095 ug/L Benzene 0.16 ug/L Vinyl Chloride 0.17 ug/L Benzene, methyl- 0.203 ug/L 1,2-trans-dichloroethylene 0.21 ug/L Bromodichloromethane 0.22 ug/L Methylene Chloride 0.238 ug/L Selenium 0.25 ug/L 1,2-Dichloroethane (EDC) 0.255 ug/L Lead 0.26 ug/L 1,1-Dichloroethylene 0.28 ug/L Carbon Tetrachloride 0.34 ug/L 1,1-Dichloroethane 0.38 ug/L cis-1,2-Dichloroethylene 0.4 ug/L Trichloroethylene (TCE) 0.4 ug/L Trichlorofluoromethane 0.55 ug/L Beryllium and compounds 0.9 ug/L Aluminum 1.2 ug/L 1,2-Dichlorobenzene 1.7 ug/L Cobalt 1.75 ug/L Chloroform 2.4 ug/L Molybdenum 2.7 ug/L Dichlorodifluoromethane 2.7 ug/L Zinc 2.9 ug/L Ethyl benzene 3.4 ug/L Arsenic 3.85 ug/L Silver and compounds 4.0 ug/L Naphthalene 4.6 ug/L Methyl Ethyl Ketone 6.9 ug/L Copper and compounds 7.15 ug/L o-Xylene 7.6 ug/L Acetone 12.0 ug/L Benzene, chloro- 16.1 ug/L Carbon Dichloride 21.0 ug/L Manganese and compounds 23.0 ug/L Vanadium 29.0 ug/L Bis(2-Ethylhexyl)Phthalate 29.5 ug/L Barium 145.0 ug/L Chromium 154.5 ug/L Nickel (Soluble Salts) 210.0 ug/L Iron 3800.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.23 mg/kg Cadmium and compounds 1.8 mg/kg Naphthalene 2.665 mg/kg Cobalt 7.55 mg/kg Nickel (Soluble Salts) 12.0 mg/kg Copper and compounds 14.5 mg/kg Chromium 19.5 mg/kg Lead 29.0 mg/kg Vanadium 41.5 mg/kg Zinc 81.5 mg/kg Barium 93.5 mg/kg Manganese and compounds 250.0 mg/kg Aluminum 7550.0 mg/kg Iron 16000.0 mg/kg

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Site ID: LF022

BURN PIT/LANDFILL

Landfill

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Nov 2015

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Silver and compounds 0.01 ug/L Titanium 0.021 ug/L Lithium 0.05 ug/L Benzene, chloro- 0.0636 ug/L Antimony and compounds 0.098 ug/L Tin 0.1 ug/L Boron 0.1 ug/L 1,3-Dichlorobenzene 0.128 ug/L Chloroform 0.21 ug/L Chloroethane 0.21 ug/L 1,2-Dichlorobenzene 0.21 ug/L 1,1,2-Trichloroethane 0.22 ug/L 1,2-Dichloroethane (EDC) 0.25 ug/L Bromodichloromethane 0.25 ug/L Benzene 0.26 ug/L Methylene Chloride 0.282 ug/L 1,1-Dichloroethane 0.29 ug/L Molybdenum 0.31 ug/L 1,2-trans-dichloroethylene 0.32 ug/L Benzene, p-dichloro- 0.355 ug/L 1,1-Dichloroethylene 0.38 ug/L Carbon Dichloride 0.41 ug/L Selenium 0.44 ug/L Manganese and compounds 0.52 ug/L Dichloropropane 0.575 ug/L Carbon Tetrachloride 0.6 ug/L Beryllium and compounds 0.6 ug/L Cadmium and compounds 0.68 ug/L Benzene, methyl- 0.715 ug/L 1,1,1-Trichloroethane 1.2 ug/L Lead 1.5 ug/L Vinyl Chloride 2.4 ug/L 1,4-Diethylene Dioxide 2.7 ug/L Copper and compounds 2.9 ug/L Acetone 3.2 ug/L Nickel (Soluble Salts) 3.2 ug/L Arsenic 3.9 ug/L Bis(2-Ethylhexyl)Phthalate 4.0 ug/L Aluminum 5.9 ug/L Freon 113 6.5 ug/L Trichlorofluoromethane 8.3 ug/L cis-1,2-Dichloroethylene 9.3 ug/L Benzyl Alcohol 10.0 ug/L 4-Bromophenyl Phenyl Ether 10.0 ug/L 2,4-Dimethylphenol 10.0 ug/L 4-Cresol 10.0 ug/L 1-Amino-4-Chlorobenzene 10.0 ug/L Bis(2-Chloro-1-Methylethyl)Ether 10.0 ug/L Benzenol 10.0 ug/L Bis(2-chloroethyl)ether 10.0 ug/L Benzenedicarboxylate 10.0 ug/L Benzene, hexachloro- 10.0 ug/L Anthracene 10.0 ug/L Benzene, 1,2,4-trichloro- 10.0 ug/L 2,4-DCP 10.0 ug/L Dinitotoluene 10.0 ug/L Benzo(def)Phenanthrene 10.0 ug/L 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 10.0 ug/L Dibenzofuran 10.0 ug/L Indeno(1,2,3-cd)Pyrene 10.0 ug/L 2,3-Benzofluoranthene 10.0 ug/L 1,2-Benzacenaphthene 10.0 ug/L 8,9-Benzofluoranthene 10.0 ug/L Chrysene 10.0 ug/L Benzo(a)Pyrene 10.0 ug/L Dibenz[ah]anthracene 10.0 ug/L Benz(a)Anthracene 10.0 ug/L 2,6-Dinitrotoluene 10.0 ug/L N-Nitrosodi-n-propylamine 10.0 ug/L Hexachloroethane 10.0 ug/L Chromium 10.0 ug/L Hexachlorocyclopentadiene 10.0 ug/L Isophorone 10.0 ug/L Acenaphthene 10.0 ug/L Diethyl Phthalate 10.0 ug/L Dibutyl Phthalate 10.0 ug/L Butyl Benzyl Phthalate 10.0 ug/L N-Nitrosodiphenylamine 10.0 ug/L Fluorene 10.0 ug/L 2,4,6-Trichlorophenol 10.0 ug/L Naphthalene 10.0 ug/L 2-Methylnaphthalene 10.0 ug/L beta-Chloronaphthalene 10.0 ug/L 2-Cresol 10.0 ug/L 2-Chlorophenol 10.0 ug/L Nitrobenzene 10.0 ug/L Hexachlorobutadiene 12.2 ug/L 1,2-Dichloroethene 15.0 ug/L Cobalt 15.0 ug/L Zinc 15.0 ug/L 3,3-Dichlorobenzidine 20.0 ug/L Bromobenzene 27.8 ug/L Methyl Ethyl Ketone 28.0 ug/L Methylene Bromide 29.7 ug/L Vanadium 30.0 ug/L 4-Nitroaniline 50.0 ug/L 4-Hydroxynitrobenzene 50.0 ug/L Ethyl benzene 50.0 ug/L Ethenylbenzene 50.0 ug/L Chlorodibromomethane 50.0 ug/L 2,4-Dinitrophenol 50.0 ug/L 4,6-Dinitro-2-methylphenol 50.0 ug/L Benzoic Acid 50.0 ug/L Carbon Disulfide 50.0 ug/L Bromoform 50.0 ug/L 1,1,2,2-Tetrachloroethane 50.0 ug/L Pentachlorophenol 50.0 ug/L 2-Nitroaniline 50.0 ug/L 2,4,5-Trichlorophenol 50.0 ug/L 3-Nitroaniline 50.0 ug/L Barium 82.0 ug/L Iron 90.0 ug/L Acetic acid, ethenyl ester 100.0 ug/L Hexanone 100.0 ug/L 2-Hexanone 100.0 ug/L Bromomethane 100.0 ug/L Chloromethane (methyl chloride) 100.0 ug/L Trichloroethylene (TCE) 110.0 ug/L Phosphorus (white) 115.0 ug/L

Soil: Risk Not Evaluated

Contaminants: DDE 0.005 mg/kg Methyl Ethyl Ketone 0.0055 mg/kg 1,2-Dichloroethane (EDC) 0.007 mg/kg DDD 0.01 mg/kg Benzene, chloro- 0.011 mg/kg Methylene Chloride 0.011 mg/kg cis-1,2-Dichloroethylene 0.012 mg/kg Carbon Disulfide 0.018000000000000002 mg/kg DDT 0.02 mg/kg 1,2-Dichloroethene 0.0214 mg/kg Acetone 0.031 mg/kg Ethyl benzene 0.035 mg/kg Trichloroethylene (TCE) 0.047 mg/kg Benzene, methyl- 0.0872 mg/kg Beryllium and compounds 0.324 mg/kg Cyanide (free) 0.85 mg/kg Bis(2-Ethylhexyl)Phthalate 1.9000000000000001 mg/kg Silver and compounds 2.0 mg/kg Cadmium and compounds 3.06 mg/kg Cobalt 9.0 mg/kg Arsenic 12.85 mg/kg Nickel (Soluble Salts) 18.400000000000002 mg/kg Copper and compounds 23.400000000000002 mg/kg Chromium 23.6 mg/kg Lead 31.733333333 mg/kg Benzene, p-dichloro- 42.0 mg/kg Zinc 48.800000000000004 mg/kg Vanadium 52.0 mg/kg 1,2-Dichlorobenzene 59.0 mg/kg Barium 108.4 mg/kg Manganese and compounds 348.0 mg/kg Aluminum 12100.0 mg/kg Iron 22800.0 mg/kg

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Site ID: ST231

ABOVEGROUND STORAGE TANK

Above Ground Storage Tank

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.38 mg/kg Cadmium and compounds 3.1 mg/kg Arsenic 9.6 mg/kg Cobalt 10.0 mg/kg Lead 15.0 mg/kg Copper and compounds 17.0 mg/kg Nickel (Soluble Salts) 26.0 mg/kg Zinc 28.0 mg/kg Chromium 34.0 mg/kg Vanadium 40.0 mg/kg Barium 68.0 mg/kg Manganese and compounds 250.0 mg/kg Aluminum 10000.0 mg/kg Iron 15000.0 mg/kg

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Site ID: ST233

FUEL TEST FACILITY

Underground Storage Tanks

Cost

$15K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: 1,1,1-Trichloroethane 0.0075 mg/kg Beryllium and compounds 0.38 mg/kg Lead 8.5333333333 mg/kg Cobalt 11.366666667 mg/kg Naphthalene 14.366666667 mg/kg Cadmium and compounds 17.0 mg/kg Nickel (Soluble Salts) 19.0 mg/kg Chromium 20.333333333 mg/kg Arsenic 21.0 mg/kg Copper and compounds 29.333333333 mg/kg Vanadium 42.0 mg/kg Zinc 49.666666667 mg/kg Barium 166.66666667 mg/kg Manganese and compounds 233.33333333 mg/kg Aluminum 18333.333333000002 mg/kg Iron 22333.333333000002 mg/kg

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Site ID: ST235

FUEL LINES

Underground Storage Tanks

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,3-Dichlorobenzene 0.0298 ug/L Benzene, chloro- 0.0651 ug/L Silver and compounds 0.069 ug/L Trichlorofluoromethane 0.0875 ug/L Benzene, methyl- 0.0876 ug/L Cobalt 0.088 ug/L n-Butylbenzene 0.0906 ug/L Cadmium and compounds 0.1166667 ug/L Carbon Dichloride 0.129 ug/L Methylene Chloride 0.15 ug/L Antimony and compounds 0.165 ug/L 1,1,2,2-Tetrachloroethane 0.176 ug/L 1,1-Dichloroethylene 0.21 ug/L 1,2-Dichloroethane (EDC) 0.22 ug/L 1,2,3-Trichloropropane 0.246 ug/L Selenium 0.26 ug/L Vinyl 2-Chloroethyl Ether 0.263 ug/L Benzene, p-dichloro- 0.29 ug/L Lead 0.29 ug/L Benzene, 1,2,4-trichloro- 0.329 ug/L Molybdenum 0.34 ug/L Dichloropropane 0.35 ug/L Carbon Tetrachloride 0.39 ug/L Hexachlorobutadiene 0.396 ug/L Chloroform 0.4 ug/L 1,2-Dichlorobenzene 0.42 ug/L 1,1,2-Trichloroethane 0.43 ug/L Naphthalene 0.438 ug/L 1,2-trans-dichloroethylene 0.44 ug/L Bromomethane 0.537 ug/L Nickel (Soluble Salts) 0.565 ug/L cis-1,2-Dichloroethylene 0.58 ug/L Chloromethane (methyl chloride) 0.63 ug/L Methylene Bromide 0.918 ug/L Bromoform 1.01 ug/L 1,1-Dichloroethane 2.0 ug/L sec-Butylbenzene 2.2 ug/L Acetone 2.2 ug/L Bromodichloromethane 2.77 ug/L Carbon Disulfide 3.1 ug/L Vanadium 4.7 ug/L tert-Butylbenzene 4.9 ug/L Aluminum 5.7 ug/L Copper and compounds 5.8 ug/L Arsenic 6.1916667 ug/L Cumene 7.0 ug/L Beryllium and compounds 7.7 ug/L Bis(2-Ethylhexyl)Phthalate 9.68 ug/L 1-Phenylpropane 9.7 ug/L 1,3,5-Trimethylbenzene 12.0 ug/L Benzene 13.5 ug/L 1,1,1-Trichloroethane 16.0 ug/L Trichloroethylene (TCE) 20.0 ug/L Ethyl benzene 21.0 ug/L Zinc 21.0 ug/L o-Xylene 27.0 ug/L Bromobenzene 31.4 ug/L 1,2,4-Trimethylbenzene 41.0 ug/L Barium 77.0833333 ug/L Chromium 152.2666667 ug/L 1,2-Dichloroethene 230.0 ug/L Manganese and compounds 283.9666667 ug/L Iron 327.4444444 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Benz(a)Anthracene 0.057 mg/kg Benzo(a)Pyrene 0.073 mg/kg Chrysene 0.092 mg/kg Benzenedicarboxylate 0.1 mg/kg 2,3-Benzofluoranthene 0.12 mg/kg 1,2-Benzacenaphthene 0.13 mg/kg Benzo(def)Phenanthrene 0.18 mg/kg Beryllium and compounds 0.24 mg/kg Selenium 0.25 mg/kg Antimony and compounds 0.54 mg/kg Silver and compounds 0.63 mg/kg Bis(2-Ethylhexyl)Phthalate 1.4000000000000001 mg/kg Molybdenum 1.7 mg/kg Cadmium and compounds 3.6 mg/kg Arsenic 4.7 mg/kg Cobalt 7.8 mg/kg Nickel (Soluble Salts) 25.0 mg/kg Vanadium 44.0 mg/kg Chromium 46.0 mg/kg Copper and compounds 46.0 mg/kg Lead 64.0 mg/kg Barium 120.0 mg/kg Manganese and compounds 140.0 mg/kg Zinc 290.0 mg/kg Aluminum 9000.0 mg/kg Iron 19000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 7.200000000000001e-07 mg/kg Anthracene 0.0014 mg/kg Acenaphthene 0.0016 mg/kg Fluorene 0.0016 mg/kg Naphthalene 0.0017 mg/kg Indeno(1,2,3-cd)Pyrene 0.0024 mg/kg Benz(a)Anthracene 0.0024 mg/kg 8,9-Benzofluoranthene 0.0026000000000000003 mg/kg Benzo(a)Pyrene 0.0036000000000000003 mg/kg Methylene Chloride 0.0036000000000000003 mg/kg Dibenz[ah]anthracene 0.0038 mg/kg cis-1,2-Dichloroethylene 0.004 mg/kg Acetone 0.0060999999999999995 mg/kg Chrysene 0.006200000000000001 mg/kg Benzo(def)Phenanthrene 0.006900000000000001 mg/kg Trichloroethylene (TCE) 0.0074 mg/kg Benzene, methyl- 0.0075333333 mg/kg 2,3-Benzofluoranthene 0.0078 mg/kg 1,2-Benzacenaphthene 0.0087 mg/kg Methyl Ethyl Ketone 0.010400000000000001 mg/kg 2-Methylnaphthalene 0.014 mg/kg 1,2-Dichloroethane (EDC) 0.023 mg/kg Benzene 0.032475000000000004 mg/kg Silver and compounds 0.12 mg/kg tert-Butylbenzene 0.16 mg/kg Dibutyl Phthalate 0.19 mg/kg Selenium 0.21 mg/kg Chloroform 0.3 mg/kg Beryllium and compounds 0.37 mg/kg Antimony and compounds 0.4 mg/kg Bis(2-Ethylhexyl)Phthalate 0.5700000000000001 mg/kg Molybdenum 0.71 mg/kg o-Xylene 0.715 mg/kg Cadmium and compounds 0.8200000000000001 mg/kg 2,4-Dimethylphenol 0.9 mg/kg Dibenzofuran 1.2 mg/kg Ethyl benzene 2.35 mg/kg Cumene 3.35 mg/kg 1,3,5-Trimethylbenzene 3.7 mg/kg sec-Butylbenzene 3.75 mg/kg 1-Phenylpropane 5.25 mg/kg n-Butylbenzene 5.45 mg/kg Arsenic 12.0 mg/kg Cobalt 15.0 mg/kg 1,2,4-Trimethylbenzene 21.5 mg/kg Lead 29.0 mg/kg Copper and compounds 31.0 mg/kg Chromium 49.0 mg/kg Nickel (Soluble Salts) 53.0 mg/kg Zinc 54.0 mg/kg Vanadium 59.0 mg/kg Bromobenzene 95.0 mg/kg Barium 150.0 mg/kg Manganese and compounds 430.0 mg/kg Aluminum 12000.0 mg/kg Iron 24000.0 mg/kg

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Site ID: ST216

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Bromodichloromethane 0.125 ug/L 1,2-trans-dichloroethylene 0.15 ug/L 1,1-Dichloroethylene 0.265 ug/L Methylene Chloride 0.495 ug/L Chloroform 3.65 ug/L cis-1,2-Dichloroethylene 4.65 ug/L Carbon Tetrachloride 8.8 ug/L Trichloroethylene (TCE) 82.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Naphthalene 0.0048 mg/kg Acenaphthene 0.0092 mg/kg Benzo(a)Pyrene 0.011 mg/kg Fluorene 0.011 mg/kg Anthracene 0.012 mg/kg 8,9-Benzofluoranthene 0.0205 mg/kg Indeno(1,2,3-cd)Pyrene 0.026000000000000002 mg/kg 2-Methylnaphthalene 0.026000000000000002 mg/kg Benz(a)Anthracene 0.089 mg/kg 2,3-Benzofluoranthene 0.13 mg/kg Benzo(def)Phenanthrene 0.18 mg/kg 1,2-Benzacenaphthene 0.18 mg/kg Beryllium and compounds 0.2505 mg/kg Chrysene 0.32 mg/kg Cadmium and compounds 0.43 mg/kg Silver and compounds 0.49 mg/kg Bis(2-Ethylhexyl)Phthalate 0.5015000000000001 mg/kg Arsenic 1.75 mg/kg Molybdenum 1.8900000000000001 mg/kg Cobalt 6.995 mg/kg Lead 9.65 mg/kg Copper and compounds 17.35 mg/kg Chromium 20.75 mg/kg Nickel (Soluble Salts) 26.55 mg/kg Zinc 40.75 mg/kg Vanadium 40.95 mg/kg Barium 113.0 mg/kg Manganese and compounds 243.0 mg/kg Aluminum 7735.0 mg/kg Iron 15700.0 mg/kg

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Site ID: ST239

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Dibutyl Phthalate 0.35000000000000003 mg/kg Beryllium and compounds 0.51 mg/kg Bis(2-Ethylhexyl)Phthalate 0.52 mg/kg Cadmium and compounds 8.3 mg/kg Arsenic 10.0 mg/kg Cobalt 11.0 mg/kg Copper and compounds 16.0 mg/kg Nickel (Soluble Salts) 23.0 mg/kg Chromium 29.0 mg/kg Zinc 32.0 mg/kg Vanadium 48.0 mg/kg Lead 55.5 mg/kg Barium 140.0 mg/kg Manganese and compounds 270.0 mg/kg Aluminum 6900.0 mg/kg Iron 18500.0 mg/kg

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Site ID: ST200

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Benzene, 1,2,4-trichloro- 0.00041 mg/kg Dichlorodifluoromethane 0.0013000000000000002 mg/kg Benzene 0.0018000000000000002 mg/kg Benzene, methyl- 0.002 mg/kg Anthracene 0.002 mg/kg Dibenz[ah]anthracene 0.0045000000000000005 mg/kg Acetone 0.0086 mg/kg Methyl Ethyl Ketone 0.013000000000000001 mg/kg 8,9-Benzofluoranthene 0.016 mg/kg Indeno(1,2,3-cd)Pyrene 0.017 mg/kg 2,3-Benzofluoranthene 0.032 mg/kg Chrysene 0.033 mg/kg Benz(a)Anthracene 0.034 mg/kg Benzo(a)Pyrene 0.037 mg/kg 1,2-Benzacenaphthene 0.094 mg/kg Naphthalene 0.1 mg/kg Benzo(def)Phenanthrene 0.24 mg/kg Fluorene 0.29 mg/kg Beryllium and compounds 0.37666666670000004 mg/kg Cobalt 7.8666666667000005 mg/kg Arsenic 10.216666667 mg/kg Lead 12.8 mg/kg Nickel (Soluble Salts) 14.233333333000001 mg/kg Copper and compounds 16.566666667000003 mg/kg Chromium 19.0 mg/kg Ethyl benzene 22.0215 mg/kg Zinc 41.166666667 mg/kg Vanadium 46.133333333 mg/kg Barium 101.63333333 mg/kg Manganese and compounds 234.66666667 mg/kg Aluminum 11916.666667 mg/kg Iron 18300.0 mg/kg

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Site ID: ST206

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cobalt 0.073 ug/L Lead 0.25 ug/L Methylene Chloride 0.2543333 ug/L 1,1-Dichloroethylene 0.27 ug/L Bromodichloromethane 0.32 ug/L 1,2-Dichlorobenzene 0.347 ug/L Chlorodibromomethane 0.38 ug/L Copper and compounds 0.48 ug/L Chloromethane (methyl chloride) 0.55 ug/L Antimony and compounds 0.57 ug/L Manganese and compounds 0.68 ug/L 1,1,1-Trichloroethane 0.692 ug/L Chloroform 0.72 ug/L Carbon Tetrachloride 0.73 ug/L Carbon Dichloride 1.575 ug/L Trichloroethylene (TCE) 1.9 ug/L Zinc 2.8 ug/L Nickel (Soluble Salts) 2.9 ug/L Freon 113 3.6 ug/L Arsenic 4.0 ug/L Aluminum 4.6 ug/L Acetone 7.7 ug/L Beryllium and compounds 8.1 ug/L Trichlorofluoromethane 8.8 ug/L Chromium 12.0 ug/L Vanadium 25.0 ug/L Barium 67.0 ug/L Iron 70.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.075 mg/kg Dibutyl Phthalate 0.28300000000000003 mg/kg Beryllium and compounds 0.365 mg/kg Molybdenum 1.45 mg/kg Arsenic 4.2 mg/kg Lead 8.3 mg/kg Cobalt 9.35 mg/kg Nickel (Soluble Salts) 15.5 mg/kg Chromium 20.1 mg/kg Copper and compounds 22.3 mg/kg Zinc 48.9 mg/kg Vanadium 53.45 mg/kg Barium 133.65 mg/kg Manganese and compounds 374.5 mg/kg Aluminum 14700.0 mg/kg Iron 20650.0 mg/kg

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Site ID: ST208

WAREHOUSE

Underground Storage Tanks

Cost

$8,000

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: 1,1,1-Trichloroethane 0.0083 mg/kg Beryllium and compounds 0.3533333333 mg/kg Cadmium and compounds 3.8000000000000003 mg/kg Cobalt 6.4333333333 mg/kg Lead 8.6333333333 mg/kg Nickel (Soluble Salts) 9.4 mg/kg Naphthalene 11.4 mg/kg Copper and compounds 13.0 mg/kg Chromium 14.333333333 mg/kg Vanadium 28.333333333 mg/kg Zinc 31.0 mg/kg Barium 94.0 mg/kg Manganese and compounds 230.0 mg/kg Aluminum 9900.0 mg/kg Iron 13500.0 mg/kg

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Site ID: ST228

AST, UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Naphthalene 3.1550000000000002 mg/kg

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Site ID: LF073

EMPTY LOT

Landfill

Cost

$242K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

This site is under ongoing monitoring until Dec 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,3-Dichlorobenzene 0.0485 ug/L Lead 0.052 ug/L Benzene, p-dichloro- 0.057 ug/L n-Butylbenzene 0.071 ug/L Silver and compounds 0.077 ug/L Benzene 0.0918 ug/L Cobalt 0.092 ug/L Carbon Dichloride 0.0922 ug/L Antimony and compounds 0.1 ug/L Benzene, chloro- 0.106 ug/L Methylene Chloride 0.123 ug/L 1,2-Dichlorobenzene 0.199 ug/L 1,2-Dichloroethane (EDC) 0.22 ug/L Benzene, 1,2,4-trichloro- 0.232 ug/L Ethyl benzene 0.272 ug/L Hexachlorobutadiene 0.291 ug/L 1,2-trans-dichloroethylene 0.32 ug/L Benzene, methyl- 0.331 ug/L 1,1-Dichloroethylene 0.34 ug/L Naphthalene 0.372 ug/L Carbon Tetrachloride 0.43 ug/L Bromoform 0.474 ug/L Vinyl Chloride 0.56 ug/L 1,1,1-Trichloroethane 0.58 ug/L Chloroform 0.68 ug/L Copper and compounds 0.73 ug/L Beryllium and compounds 0.8 ug/L 1,1-Dichloroethane 0.82 ug/L Molybdenum 0.91 ug/L 1,4-Diethylene Dioxide 1.0 ug/L Manganese and compounds 1.0 ug/L Trichloroethylene (TCE) 1.4 ug/L cis-1,2-Dichloroethylene 1.6 ug/L 1,2-Dichloroethene 1.9 ug/L Selenium 2.5 ug/L 2-Hexanone 3.4 ug/L Aluminum 3.5 ug/L Arsenic 3.9 ug/L Zinc 5.0 ug/L Chromium 12.0 ug/L Vanadium 25.0 ug/L Bromobenzene 25.3 ug/L Acetone 27.0 ug/L Nickel (Soluble Salts) 60.0 ug/L Barium 87.0 ug/L Iron 240.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Dibenzo(b,e)(1,4)dioxin,2,3,7,8-tetrachloro- 1.8e-06 mg/kg 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 2.55e-05 mg/kg Fluorene 0.005 mg/kg Dibenz[ah]anthracene 0.005900000000000001 mg/kg Acenaphthene 0.0063 mg/kg 8,9-Benzofluoranthene 0.00635 mg/kg Anthracene 0.00745 mg/kg DDD 0.008 mg/kg Benz(a)Anthracene 0.00855 mg/kg Indeno(1,2,3-cd)Pyrene 0.0165 mg/kg Benzo(a)Pyrene 0.0193666667 mg/kg 2-Methylnaphthalene 0.02 mg/kg 2,3-Benzofluoranthene 0.021500000000000002 mg/kg Chrysene 0.024 mg/kg 1,2-Benzacenaphthene 0.047 mg/kg Benzo(def)Phenanthrene 0.0746666667 mg/kg Naphthalene 0.0935 mg/kg Selenium 0.169 mg/kg Dibutyl Phthalate 0.17500000000000002 mg/kg Bis(2-Ethylhexyl)Phthalate 0.23500000000000001 mg/kg Beryllium and compounds 0.7605000000000001 mg/kg Molybdenum 6.4750000000000005 mg/kg Silver and compounds 7.18 mg/kg Arsenic 11.700000000000001 mg/kg Cobalt 13.0 mg/kg Cadmium and compounds 19.1 mg/kg Vanadium 35.95 mg/kg Antimony and compounds 49.95 mg/kg Nickel (Soluble Salts) 81.8 mg/kg Chromium 82.4 mg/kg Manganese and compounds 735.0 mg/kg Barium 858.0 mg/kg Lead 976.5 mg/kg Zinc 1525.0 mg/kg Aluminum 10040.0 mg/kg Copper and compounds 31550.0 mg/kg Iron 61900.0 mg/kg

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Site ID: LF075

SPOIL AREA

Landfill

Cost

$236K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2017

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.29 mg/kg Selenium 2.8000000000000003 mg/kg Cobalt 5.75 mg/kg Copper and compounds 12.700000000000001 mg/kg Nickel (Soluble Salts) 14.8 mg/kg Chromium 22.2 mg/kg Zinc 29.3 mg/kg Vanadium 53.5 mg/kg Benzo(a)Pyrene 86.5 mg/kg Barium 123.55 mg/kg Manganese and compounds 190.65 mg/kg Aluminum 13250.0 mg/kg Iron 20100.0 mg/kg

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Site ID: LF071

LANDFILL

Landfill

Cost

$14K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Carbon Dichloride 5.0 ug/L 1,2-Dichloroethane (EDC) 7.0 ug/L Chloroform 10.0 ug/L Naphthalene 22.5 ug/L cis-1,2-Dichloroethylene 58.5 ug/L 1,1-Dichloroethylene 82.3333333 ug/L Trichloroethylene (TCE) 883.3333333 ug/L

Soil: Risk Not Evaluated

Contaminants: Benzo(a)Pyrene 0.0083 mg/kg Antimony and compounds 0.32 mg/kg Cadmium and compounds 0.405 mg/kg Molybdenum 0.485 mg/kg Beryllium and compounds 0.635 mg/kg Arsenic 4.45 mg/kg Lead 6.9 mg/kg Cobalt 7.75 mg/kg Chromium 16.85 mg/kg Nickel (Soluble Salts) 18.6 mg/kg Copper and compounds 26.3 mg/kg Zinc 46.0 mg/kg Vanadium 46.85 mg/kg Barium 155.5 mg/kg Manganese and compounds 320.0 mg/kg Aluminum 15800.0 mg/kg Iron 21250.0 mg/kg

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Site ID: LF025

LANDFILL

Landfill

Cost

$15K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,1-Dichloroethylene 0.24 ug/L Selenium 0.24 ug/L Lead 0.29 ug/L Carbon Dichloride 0.325 ug/L Molybdenum 0.335 ug/L Methylene Chloride 0.34 ug/L cis-1,2-Dichloroethylene 0.39 ug/L Copper and compounds 0.44 ug/L Cobalt 0.46 ug/L Chloromethane (methyl chloride) 0.46 ug/L 1,2-Dichloroethane (EDC) 0.56 ug/L Antimony and compounds 0.615 ug/L Benzene, methyl- 0.8 ug/L Nickel (Soluble Salts) 1.2 ug/L Chloroform 1.45 ug/L Acetone 2.9 ug/L Manganese and compounds 4.8 ug/L Trichloroethylene (TCE) 4.95 ug/L Carbon Tetrachloride 5.15 ug/L Arsenic 5.2 ug/L Aluminum 8.7 ug/L Zinc 12.0 ug/L Chromium 13.5 ug/L Vanadium 22.5 ug/L Barium 48.0 ug/L Iron 86.0 ug/L

Soil: Risk Not Evaluated

Contaminants: 1,1,1-Trichloroethane 0.01 mg/kg Methylene Chloride 0.015 mg/kg Beryllium and compounds 0.24 mg/kg Dibutyl Phthalate 0.318 mg/kg Bis(2-Ethylhexyl)Phthalate 0.35000000000000003 mg/kg Molybdenum 1.02 mg/kg Cadmium and compounds 3.15 mg/kg Cobalt 5.07 mg/kg Arsenic 8.555 mg/kg Naphthalene 12.5 mg/kg Nickel (Soluble Salts) 13.5 mg/kg Chromium 19.900000000000002 mg/kg Copper and compounds 25.5 mg/kg Vanadium 25.900000000000002 mg/kg Zinc 88.7 mg/kg Lead 108.0 mg/kg Barium 229.0 mg/kg Manganese and compounds 272.0 mg/kg Aluminum 9880.0 mg/kg Iron 11600.0 mg/kg

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Site ID: LF042

OIL STORAGE/LANDFILL

Landfill

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Carbon Dichloride 0.0014 mg/kg 1,2-trans-dichloroethylene 0.0014 mg/kg tert-Butylbenzene 0.0016 mg/kg Vinyl Chloride 0.0018000000000000002 mg/kg DDE 0.005 mg/kg 1,1,2-Trichloroethane 0.0075 mg/kg Benzene, methyl- 0.0078 mg/kg DDD 0.008 mg/kg Methyl Ethyl Ketone 0.0087 mg/kg Anthracene 0.01 mg/kg o-Xylene 0.0143 mg/kg Cumene 0.0146 mg/kg Ethyl benzene 0.0181 mg/kg 8,9-Benzofluoranthene 0.02195 mg/kg Indeno(1,2,3-cd)Pyrene 0.022 mg/kg Benzo(a)Pyrene 0.02425 mg/kg sec-Butylbenzene 0.0298 mg/kg 1-Phenylpropane 0.0315 mg/kg Methylene Chloride 0.0335 mg/kg Benz(a)Anthracene 0.038 mg/kg cis-1,2-Dichloroethylene 0.045 mg/kg Trichloroethylene (TCE) 0.0461 mg/kg 2,3-Benzofluoranthene 0.049 mg/kg Chrysene 0.0495 mg/kg Naphthalene 0.0498 mg/kg Acetone 0.0502 mg/kg Aroclor 1254 0.058 mg/kg 1,3,5-Trimethylbenzene 0.07690000000000001 mg/kg Benzene, chloro- 0.0795 mg/kg Benzene, 1,2,4-trichloro- 0.083 mg/kg Benzo(def)Phenanthrene 0.0985 mg/kg Selenium 0.1 mg/kg Aldrin 0.10875 mg/kg Endrin 0.125 mg/kg 1,2-Benzacenaphthene 0.1385 mg/kg Benzene, p-dichloro- 0.315 mg/kg Beryllium and compounds 0.32 mg/kg Molybdenum 0.35000000000000003 mg/kg 1,2,4-Trimethylbenzene 0.5 mg/kg Cyanide (free) 0.86 mg/kg Antimony and compounds 1.3 mg/kg 1,2-Dichlorobenzene 2.5 mg/kg Cadmium and compounds 3.5 mg/kg Arsenic 3.9 mg/kg Cobalt 9.3 mg/kg Silver and compounds 9.700000000000001 mg/kg 1,1,1-Trichloroethane 28.0 mg/kg Nickel (Soluble Salts) 30.0 mg/kg 4-Cresol 31.333333333 mg/kg 2-Cresol 35.5 mg/kg Lead 47.0 mg/kg 2-Methylnaphthalene 49.666666667 mg/kg Vanadium 50.0 mg/kg 2,4-Dimethylphenol 52.666666667 mg/kg Chromium 66.0 mg/kg Copper and compounds 80.0 mg/kg Barium 130.0 mg/kg Zinc 140.0 mg/kg Manganese and compounds 370.0 mg/kg Aluminum 13500.0 mg/kg Iron 22000.0 mg/kg

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Site ID: LF043

BURNPIT

Landfill

Cost

$247K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

This site is under ongoing monitoring until Dec 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Antimony and compounds 3.0 ug/L Vanadium 5.1 ug/L Iron 35.8 ug/L Barium 59.4 ug/L Zinc 153.0 ug/L Manganese and compounds 157.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Benz(a)Anthracene 0.007 mg/kg 1,2-Benzacenaphthene 0.0081 mg/kg 8,9-Benzofluoranthene 0.008400000000000001 mg/kg Benzo(def)Phenanthrene 0.0085 mg/kg Chrysene 0.012 mg/kg 2,3-Benzofluoranthene 0.017 mg/kg Benzo(a)Pyrene 0.017 mg/kg Aroclor 1254 0.019 mg/kg Acenaphthene 0.0225 mg/kg Anthracene 0.0265 mg/kg Fluorene 0.0415 mg/kg Bis(2-Ethylhexyl)Phthalate 0.042 mg/kg Selenium 0.12 mg/kg Benzene 0.215 mg/kg Beryllium and compounds 0.3 mg/kg Molybdenum 0.35000000000000003 mg/kg 4-Cresol 0.45 mg/kg Antimony and compounds 0.46 mg/kg Dibutyl Phthalate 0.56 mg/kg Ethyl benzene 0.7689 mg/kg 2,4-Dimethylphenol 0.89 mg/kg Benzoic Acid 0.97 mg/kg Methylene Chloride 1.1300000000000001 mg/kg Silver and compounds 1.5 mg/kg Cumene 1.61 mg/kg Benzene, methyl- 1.8667 mg/kg Arsenic 2.1 mg/kg o-Xylene 3.0445 mg/kg Naphthalene 3.6 mg/kg 1-Phenylpropane 3.88 mg/kg 1,2-Dichlorobenzene 4.01 mg/kg sec-Butylbenzene 5.88 mg/kg n-Butylbenzene 6.37 mg/kg Cobalt 6.8 mg/kg 1,2,4-Trimethylbenzene 8.66 mg/kg Cadmium and compounds 9.6 mg/kg Nickel (Soluble Salts) 16.0 mg/kg Copper and compounds 19.0 mg/kg Benzene, p-dichloro- 22.5 mg/kg Benzene, chloro- 30.6 mg/kg Vanadium 42.0 mg/kg Chromium 48.0 mg/kg Zinc 53.0 mg/kg Lead 87.0 mg/kg Barium 92.0 mg/kg Manganese and compounds 330.0 mg/kg Aluminum 9300.0 mg/kg Iron 16000.0 mg/kg

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Site ID: WL159

IWL

Waste Lines

Cost

$14K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: HCH (beta) 0.019 ug/L 1,3-Dichlorobenzene 0.0591 ug/L tert-Butylbenzene 0.0607 ug/L Methylene Chloride 0.091 ug/L Chloroethane 0.114 ug/L Selenium 0.15 ug/L Benzene, chloro- 0.1695 ug/L Lead 0.17 ug/L Molybdenum 0.18 ug/L Benzene, p-dichloro- 0.1835 ug/L Dichloropropane 0.21 ug/L Vinyl 2-Chloroethyl Ether 0.249 ug/L Silver and compounds 0.25 ug/L Cobalt 0.25 ug/L Manganese and compounds 0.27 ug/L Antimony and compounds 0.29 ug/L Bromodichloromethane 0.29 ug/L Nickel (Soluble Salts) 0.3 ug/L 1,2,4-Trimethylbenzene 0.31 ug/L Dichlorodifluoromethane 0.32 ug/L 1,2-trans-dichloroethylene 0.33 ug/L Bromomethane 0.335 ug/L 1,2-Dichloroethene 0.34 ug/L Vinyl Chloride 0.354 ug/L Benzene 0.36 ug/L Bromofume 0.39 ug/L sec-Butylbenzene 0.395 ug/L Beryllium and compounds 0.4 ug/L Cadmium and compounds 0.4 ug/L 1,1,2-Trichloroethane 0.4 ug/L Benzene, methyl- 0.41 ug/L 1,2-Dichlorobenzene 0.41 ug/L Ethenylbenzene 0.42 ug/L Chlorodibromomethane 0.42 ug/L Copper and compounds 0.43 ug/L 1,2-Dichloroethane (EDC) 0.51 ug/L Carbon Dichloride 0.62 ug/L Bromoform 0.63 ug/L Benzene, 1,2,4-trichloro- 0.736 ug/L Chloromethane (methyl chloride) 0.85 ug/L 1,1,2,2-Tetrachloroethane 0.88 ug/L o-Xylene 0.92 ug/L Cumene 1.61 ug/L Methyl Ethyl Ketone 1.7 ug/L 1,2,3-Trichloropropane 1.76 ug/L 1,1,1-Trichloroethane 1.95 ug/L Bis(2-Ethylhexyl)Phthalate 2.1 ug/L Carbon Tetrachloride 2.2 ug/L 2-Hexanone 2.43 ug/L 1,4-Diethylene Dioxide 2.5 ug/L Ethyl benzene 3.1 ug/L Arsenic 3.1 ug/L Chloroform 3.7 ug/L Zinc 3.8 ug/L Acetone 5.2 ug/L Trichlorofluoromethane 5.9 ug/L Aluminum 7.1 ug/L cis-1,2-Dichloroethylene 7.4 ug/L 1,1-Dichloroethane 8.1 ug/L 1,1-Dichloroethylene 8.4 ug/L Iron 12.0 ug/L Chromium 12.0 ug/L Vanadium 22.0 ug/L Freon 113 22.0 ug/L Trichloroethylene (TCE) 25.0 ug/L Bromobenzene 28.1 ug/L Barium 40.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Heptachlor 0.006500000000000001 mg/kg n-Butylbenzene 0.006900000000000001 mg/kg Methyl Ethyl Ketone 0.026000000000000002 mg/kg Aldrin 0.027 mg/kg Dieldrin 0.03 mg/kg Endrin 0.074 mg/kg Heptachlor Epoxide 0.076 mg/kg DDT 0.08600000000000001 mg/kg DDD 0.097 mg/kg DDE 0.15 mg/kg HCH (alpha) 0.16 mg/kg Acetone 0.19 mg/kg HCH (beta) 0.23 mg/kg Beryllium and compounds 0.79 mg/kg Aroclor 1254 2.4 mg/kg Selenium 3.0 mg/kg Dibenz[ah]anthracene 3.3000000000000003 mg/kg 1,2-Dichlorobenzene 4.1 mg/kg 1,2,4-Trimethylbenzene 4.1 mg/kg Naphthalene 5.5 mg/kg Arsenic 6.5 mg/kg Trichloroethylene (TCE) 6.6000000000000005 mg/kg Carbon Dichloride 8.5 mg/kg Benzenedicarboxylate 11.0 mg/kg Dibenzofuran 11.0 mg/kg Dibutyl Phthalate 11.0 mg/kg Indeno(1,2,3-cd)Pyrene 13.0 mg/kg Butyl Benzyl Phthalate 13.0 mg/kg Antimony and compounds 15.0 mg/kg 8,9-Benzofluoranthene 20.0 mg/kg Fluorene 20.0 mg/kg 2-Methylnaphthalene 20.0 mg/kg Acenaphthene 22.0 mg/kg Anthracene 23.0 mg/kg 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 26.0 mg/kg Benzo(a)Pyrene 30.0 mg/kg Benzyl Alcohol 35.0 mg/kg Benz(a)Anthracene 40.0 mg/kg 2,3-Benzofluoranthene 49.0 mg/kg Chrysene 55.0 mg/kg Vanadium 69.0 mg/kg Molybdenum 85.0 mg/kg 1,2-Benzacenaphthene 130.0 mg/kg Chloroethane 130.0 mg/kg Cobalt 140.0 mg/kg Benzo(def)Phenanthrene 150.0 mg/kg Cadmium and compounds 150.0 mg/kg 1,1-Dichloroethane 280.0 mg/kg Nickel (Soluble Salts) 330.0 mg/kg 1,1,1-Trichloroethane 450.0 mg/kg Barium 550.0 mg/kg Bis(2-Ethylhexyl)Phthalate 600.0 mg/kg Manganese and compounds 970.0 mg/kg Silver and compounds 1100.0 mg/kg Zinc 1300.0 mg/kg Chromium 1400.0 mg/kg Copper and compounds 1500.0 mg/kg Lead 2100.0 mg/kg Aluminum 15500.0 mg/kg Iron 43000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Aldrin 0.00045000000000000004 mg/kg HCH (alpha) 0.0006 mg/kg Heptachlor Epoxide 0.0008 mg/kg DDD 0.0009000000000000001 mg/kg Endrin 0.0012 mg/kg Benzene, methyl- 0.0015 mg/kg Dibenz[ah]anthracene 0.0018000000000000002 mg/kg Dieldrin 0.0032 mg/kg DDE 0.0038 mg/kg Indeno(1,2,3-cd)Pyrene 0.004200000000000001 mg/kg o-Xylene 0.0043 mg/kg 8,9-Benzofluoranthene 0.0058 mg/kg Acetone 0.0070999999999999995 mg/kg Ethyl benzene 0.0078 mg/kg 1,1-Dichloroethane 0.008 mg/kg HCH (beta) 0.0083 mg/kg Chloromethane (methyl chloride) 0.0097 mg/kg Anthracene 0.009800000000000001 mg/kg Benzo(a)Pyrene 0.01 mg/kg 1,1,1-Trichloroethane 0.01 mg/kg Chrysene 0.012400000000000001 mg/kg Benzene, p-dichloro- 0.014 mg/kg DDT 0.01445 mg/kg 2,3-Benzofluoranthene 0.0145 mg/kg Acenaphthene 0.015 mg/kg Benz(a)Anthracene 0.018000000000000002 mg/kg Methylene Chloride 0.02 mg/kg 1,2-Benzacenaphthene 0.022 mg/kg Benzo(def)Phenanthrene 0.028 mg/kg Fluorene 0.029 mg/kg Bis(2-Ethylhexyl)Phthalate 0.0425 mg/kg Dibutyl Phthalate 0.049 mg/kg Trichloroethylene (TCE) 0.084 mg/kg Naphthalene 0.091 mg/kg Silver and compounds 0.092 mg/kg Cadmium and compounds 0.11733333330000001 mg/kg Selenium 0.16071428570000001 mg/kg 2-Methylnaphthalene 0.2 mg/kg Antimony and compounds 0.21333333329999998 mg/kg Beryllium and compounds 0.2833333333 mg/kg tert-Butylbenzene 0.29 mg/kg 1,2-Dichlorobenzene 0.3 mg/kg cis-1,2-Dichloroethylene 0.326 mg/kg Molybdenum 0.3266666667 mg/kg Dinitotoluene 0.396 mg/kg Butyl Benzyl Phthalate 0.5333333333000001 mg/kg Cumene 2.0 mg/kg Arsenic 2.8333333333 mg/kg 1-Phenylpropane 4.1 mg/kg Lead 6.0666666667 mg/kg 1,3,5-Trimethylbenzene 6.1000000000000005 mg/kg sec-Butylbenzene 6.1000000000000005 mg/kg Cobalt 8.466666666700002 mg/kg n-Butylbenzene 11.0 mg/kg Copper and compounds 16.333333333000002 mg/kg Nickel (Soluble Salts) 18.333333333 mg/kg Chromium 22.0 mg/kg 1,2,4-Trimethylbenzene 34.0 mg/kg Zinc 34.666666667 mg/kg Vanadium 50.0 mg/kg Bromobenzene 77.666666667 mg/kg Barium 137.66666667 mg/kg Manganese and compounds 380.0 mg/kg Aluminum 10366.666667 mg/kg Iron 18666.666667 mg/kg

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Site ID: ST245

OPEN STORAGE AREA

Storage Area

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cobalt 0.061 ug/L Antimony and compounds 0.088 ug/L Molybdenum 0.13 ug/L Lead 0.165 ug/L Dichloropropane 0.21 ug/L Benzene 0.22 ug/L Methylene Chloride 0.225 ug/L Trichlorofluoromethane 0.27 ug/L Benzene, methyl- 0.316 ug/L 1,2-Dichlorobenzene 0.32 ug/L tert-Butylbenzene 0.419 ug/L 1,1-Dichloroethylene 0.43 ug/L Nickel (Soluble Salts) 0.53 ug/L sec-Butylbenzene 0.534 ug/L 1,2-trans-dichloroethylene 0.55 ug/L Manganese and compounds 0.55 ug/L Cadmium and compounds 0.59 ug/L Carbon Dichloride 0.62 ug/L 1,4-Diethylene Dioxide 0.646 ug/L Vinyl Chloride 0.74 ug/L 1,1,2-Trichloroethane 0.86 ug/L Copper and compounds 1.0 ug/L Selenium 1.0 ug/L Naphthalene 1.18 ug/L 1,1-Dichloroethane 1.5 ug/L Aluminum 2.2 ug/L Chromium 2.5 ug/L Arsenic 2.6 ug/L 1,2-Dichloroethane (EDC) 2.65 ug/L Acetone 5.5 ug/L Chloroform 6.15 ug/L Carbon Tetrachloride 9.35 ug/L Zinc 9.5 ug/L Vanadium 21.0 ug/L cis-1,2-Dichloroethylene 25.5 ug/L Iron 140.0 ug/L Barium 220.0 ug/L Trichloroethylene (TCE) 325.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Dibenz[ah]anthracene 0.0006 mg/kg 1,2-Benzacenaphthene 0.0011 mg/kg Benzo(def)Phenanthrene 0.0012 mg/kg Anthracene 0.0028 mg/kg Indeno(1,2,3-cd)Pyrene 0.0056 mg/kg 8,9-Benzofluoranthene 0.0063 mg/kg Fluorene 0.0081 mg/kg Benzo(a)Pyrene 0.01135 mg/kg 2,3-Benzofluoranthene 0.01175 mg/kg Benz(a)Anthracene 0.01375 mg/kg 2-Methylnaphthalene 0.025 mg/kg Chrysene 0.0395 mg/kg Naphthalene 0.058 mg/kg Cadmium and compounds 0.17500000000000002 mg/kg Beryllium and compounds 0.355 mg/kg Butyl Benzyl Phthalate 0.434 mg/kg Silver and compounds 0.435 mg/kg Molybdenum 1.706 mg/kg Dibutyl Phthalate 1.8800000000000001 mg/kg Arsenic 3.2 mg/kg Lead 6.5 mg/kg Cobalt 9.89 mg/kg Copper and compounds 25.1 mg/kg Nickel (Soluble Salts) 37.6 mg/kg Vanadium 40.35 mg/kg Zinc 46.95 mg/kg Chromium 55.45 mg/kg Bromobenzene 84.25 mg/kg Barium 145.5 mg/kg Manganese and compounds 241.0 mg/kg Aluminum 10060.0 mg/kg Iron 16600.0 mg/kg

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Site ID: ST250

SEWAGE TREAT/UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: 2-Methylnaphthalene 0.0006 mg/kg Fluorene 0.0007 mg/kg Naphthalene 0.00085 mg/kg Acenaphthene 0.0011 mg/kg Anthracene 0.0023 mg/kg 8,9-Benzofluoranthene 0.0095 mg/kg Benzo(a)Pyrene 0.014 mg/kg Benz(a)Anthracene 0.014 mg/kg Chrysene 0.015 mg/kg 2,3-Benzofluoranthene 0.019 mg/kg Benzo(def)Phenanthrene 0.02 mg/kg 1,2-Benzacenaphthene 0.021 mg/kg Lead 10.25 mg/kg

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Site ID: LF038

ENGINE REPAIR SHOP

Landfill

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2017

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Ethyl benzene 0.4 ug/L o-Xylene 0.8 ug/L sec-Butylbenzene 1.0 ug/L 1-Phenylpropane 2.0 ug/L Carbon Dichloride 2.0 ug/L Cumene 2.0 ug/L Benzene 6.8 ug/L Naphthalene 9.0 ug/L 1,2-Dichloroethane (EDC) 19.0 ug/L cis-1,2-Dichloroethylene 20.0 ug/L 1,2,4-Trimethylbenzene 20.0 ug/L Trichloroethylene (TCE) 600.0 ug/L

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Site ID: LF039

LANDFILL

Landfill

Cost

$14K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Site ID: WL158

INDUS. WASTEWATER LINE

Waste Lines

Cost

$15K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Silver and compounds 0.065 ug/L Beryllium and compounds 0.075 ug/L Benzene 0.106 ug/L Benzene, chloro- 0.11 ug/L 1,2-trans-dichloroethylene 0.11 ug/L Cobalt 0.12 ug/L Methylene Chloride 0.12 ug/L Benzene, methyl- 0.14 ug/L Cadmium and compounds 0.15 ug/L Carbon Tetrachloride 0.16 ug/L Bromodichloromethane 0.23 ug/L Chlorodibromomethane 0.25 ug/L Carbon Dichloride 0.25 ug/L Trichlorofluoromethane 0.25 ug/L Lead 0.28 ug/L Manganese and compounds 0.39 ug/L 1,2-Dichloroethene 0.4 ug/L Chloroform 0.44 ug/L Nickel (Soluble Salts) 0.45 ug/L Freon 113 0.53 ug/L Antimony and compounds 0.6 ug/L Methyl Ethyl Ketone 0.64 ug/L 2-Hexanone 0.82 ug/L Copper and compounds 0.82 ug/L Molybdenum 0.92 ug/L Bis(2-Ethylhexyl)Phthalate 1.1 ug/L Chloromethane (methyl chloride) 1.1 ug/L cis-1,2-Dichloroethylene 1.2 ug/L Dichloropropane 1.4 ug/L Selenium 1.8 ug/L Arsenic 3.6 ug/L 1,1-Dichloroethylene 5.4 ug/L Aluminum 6.9 ug/L Chromium 13.0 ug/L Acetone 14.0 ug/L 1,1-Dichloroethane 15.0 ug/L Zinc 18.0 ug/L n-Butylbenzene 22.0 ug/L Vanadium 28.0 ug/L Iron 67.0 ug/L Bromomethane 72.0 ug/L Hexachlorobutadiene 85.3 ug/L Barium 87.0 ug/L Trichloroethylene (TCE) 190.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: sec-Butylbenzene 0.0045000000000000005 mg/kg Heptachlor Epoxide 0.0073 mg/kg HCH (alpha) 0.0077 mg/kg 1,2,4-Trimethylbenzene 0.01035 mg/kg Endrin 0.011 mg/kg n-Butylbenzene 0.01165 mg/kg Benzene, methyl- 0.01245 mg/kg Naphthalene 0.013000000000000001 mg/kg HCH (gamma) Lindane 0.043000000000000003 mg/kg Methyl Ethyl Ketone 0.045 mg/kg DDD 0.048 mg/kg DDE 0.07 mg/kg Anthracene 0.12 mg/kg Acetone 0.12 mg/kg Dibenz[ah]anthracene 0.14 mg/kg Dibutyl Phthalate 0.25 mg/kg Aroclor 1254 0.29 mg/kg Beryllium and compounds 0.365 mg/kg HCH (beta) 0.48 mg/kg DDT 0.49 mg/kg 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 0.87 mg/kg Benzenedicarboxylate 1.3 mg/kg Butyl Benzyl Phthalate 1.6 mg/kg Indeno(1,2,3-cd)Pyrene 1.8 mg/kg 8,9-Benzofluoranthene 2.1 mg/kg Benz(a)Anthracene 3.3000000000000003 mg/kg Benzo(a)Pyrene 3.5 mg/kg Chrysene 5.0 mg/kg 2,3-Benzofluoranthene 5.5 mg/kg Arsenic 8.2 mg/kg Antimony and compounds 9.3 mg/kg 1,2-Benzacenaphthene 9.8 mg/kg Benzo(def)Phenanthrene 9.9 mg/kg Bis(2-Ethylhexyl)Phthalate 14.0 mg/kg Selenium 19.0 mg/kg Cobalt 33.0 mg/kg Vanadium 56.0 mg/kg Molybdenum 70.0 mg/kg Cadmium and compounds 92.0 mg/kg Silver and compounds 220.0 mg/kg Nickel (Soluble Salts) 280.0 mg/kg Barium 500.0 mg/kg Manganese and compounds 540.0 mg/kg Copper and compounds 1800.0 mg/kg Chromium 2200.0 mg/kg Lead 5100.0 mg/kg Zinc 5100.0 mg/kg Aluminum 14500.0 mg/kg Iron 95000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Fluorene 0.0003 mg/kg 1,3,5-Trimethylbenzene 0.0009000000000000001 mg/kg Anthracene 0.000975 mg/kg DDE 0.0011 mg/kg 1,2,4-Trimethylbenzene 0.0015 mg/kg DDT 0.0016 mg/kg Acenaphthene 0.0016 mg/kg Dieldrin 0.0017 mg/kg Naphthalene 0.0017 mg/kg Dichlorodifluoromethane 0.0029 mg/kg Indeno(1,2,3-cd)Pyrene 0.003 mg/kg 8,9-Benzofluoranthene 0.0031000000000000003 mg/kg Benz(a)Anthracene 0.005200000000000001 mg/kg Benzo(a)Pyrene 0.0056500000000000005 mg/kg Chrysene 0.00605 mg/kg Dibenz[ah]anthracene 0.0085 mg/kg Methylene Chloride 0.0086 mg/kg Benzo(def)Phenanthrene 0.0087 mg/kg 2,3-Benzofluoranthene 0.0091 mg/kg Chlordane 0.0091 mg/kg 1,2-Benzacenaphthene 0.009949999999999999 mg/kg Methyl Ethyl Ketone 0.0116 mg/kg Aroclor 1016 0.0177 mg/kg DDD 0.025 mg/kg Acetone 0.03615 mg/kg 2-Methylnaphthalene 0.0475333333 mg/kg Silver and compounds 0.055 mg/kg Aroclor 1254 0.0862 mg/kg Butyl Benzyl Phthalate 0.093 mg/kg Diethyl Phthalate 0.1 mg/kg 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 0.11 mg/kg Antimony and compounds 0.11 mg/kg Bis(2-Ethylhexyl)Phthalate 0.12 mg/kg Nitrobenzene 0.26 mg/kg Bis(2-chloroethyl)ether 0.263 mg/kg Benzyl Alcohol 0.272 mg/kg Dibutyl Phthalate 0.28 mg/kg 2,4-Dimethylphenol 0.3 mg/kg Cyanide (free) 0.55 mg/kg Cadmium and compounds 0.58 mg/kg Molybdenum 0.598 mg/kg Beryllium and compounds 0.63 mg/kg Benzoic Acid 0.834 mg/kg Selenium 2.74 mg/kg Arsenic 2.8000000000000003 mg/kg Isophorone 4.67 mg/kg Lead 6.3 mg/kg Cobalt 7.3 mg/kg Nickel (Soluble Salts) 20.0 mg/kg Chromium 25.0 mg/kg Copper and compounds 25.0 mg/kg Zinc 41.0 mg/kg Vanadium 50.0 mg/kg Manganese and compounds 270.0 mg/kg Barium 300.0 mg/kg Aluminum 17000.0 mg/kg Iron 25000.0 mg/kg

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Site ID: ST251

DOC. DESTRUCT./UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,2-Dichloroethane (EDC) 69.0 ug/L 1,1-Dichloroethane 100.0 ug/L cis-1,2-Dichloroethylene 300.0 ug/L Chloroform 390.0 ug/L 1,1-Dichloroethylene 410.0 ug/L Trichloroethylene (TCE) 4300.0 ug/L Benzene 570000.0 ug/L

Soil: Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 4.0000000000000003e-07 mg/kg Chrysene 0.0012 mg/kg 2,3-Benzofluoranthene 0.0014 mg/kg 1,2-Benzacenaphthene 0.002 mg/kg Benzo(def)Phenanthrene 0.0025 mg/kg Benzo(a)Pyrene 0.00545 mg/kg Freon 113 0.0076 mg/kg Carbon Tetrachloride 0.00915 mg/kg Benzene, p-dichloro- 0.0099 mg/kg Benzene, methyl- 0.011 mg/kg 1,1,2-Trichloroethane 0.011 mg/kg 1,2-Dichlorobenzene 0.011 mg/kg Methylene Chloride 0.01115 mg/kg Methylene Bromide 0.018000000000000002 mg/kg Carbon Dichloride 0.02 mg/kg 1,1-Dichloroethane 0.0205 mg/kg 1,1,1-Trichloroethane 0.024 mg/kg Acetone 0.042 mg/kg 1,2-Dichloroethane (EDC) 0.053 mg/kg cis-1,2-Dichloroethylene 0.0655 mg/kg 1,1-Dichloroethylene 0.0775 mg/kg Benzene 0.1305 mg/kg Chloroform 0.135 mg/kg Cadmium and compounds 0.355 mg/kg Antimony and compounds 0.39 mg/kg 2-Methylnaphthalene 0.6 mg/kg Naphthalene 0.8 mg/kg Beryllium and compounds 0.89 mg/kg Molybdenum 1.285 mg/kg Ethyl benzene 1.3 mg/kg Trichloroethylene (TCE) 1.6 mg/kg Lead 4.6000000000000005 mg/kg Arsenic 7.6000000000000005 mg/kg Silver and compounds 11.9 mg/kg Cobalt 12.05 mg/kg Copper and compounds 22.3 mg/kg Nickel (Soluble Salts) 27.766666667000003 mg/kg Chromium 29.05 mg/kg Zinc 48.25 mg/kg Vanadium 63.45 mg/kg Barium 295.5 mg/kg Manganese and compounds 986.5 mg/kg Aluminum 16150.0 mg/kg Iron 24900.0 mg/kg

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Site ID: ST255

SALVAGE YARD/UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$15K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Dichloropropane 0.0436 ug/L Molybdenum 0.066 ug/L Lead 0.068 ug/L Cobalt 0.08 ug/L Benzene, methyl- 0.0869 ug/L Silver and compounds 0.096 ug/L 1,1-Dichloroethane 0.103 ug/L Chloromethane (methyl chloride) 0.115 ug/L Bromobenzene 0.134 ug/L Antimony and compounds 0.14 ug/L Ethyl benzene 0.22 ug/L 1,2-trans-dichloroethylene 0.23 ug/L 1,2-Dichlorobenzene 0.24 ug/L Trichlorofluoromethane 0.26 ug/L Cadmium and compounds 0.27 ug/L 1,1,2-Trichloroethane 0.29 ug/L 1,2-Dichloroethane (EDC) 0.31 ug/L Nickel (Soluble Salts) 0.31 ug/L Benzene, chloro- 0.345 ug/L Copper and compounds 0.36 ug/L Benzene, p-dichloro- 0.37 ug/L 1,3-Dichlorobenzene 0.4 ug/L Benzene 0.43 ug/L Carbon Dichloride 0.62 ug/L 1,1-Dichloroethylene 0.69 ug/L 1,4-Diethylene Dioxide 0.7 ug/L 1,2-Dichloroethene 0.75 ug/L Freon 113 1.06 ug/L Beryllium and compounds 1.5 ug/L Chloroform 2.0 ug/L cis-1,2-Dichloroethylene 2.7 ug/L Selenium 2.9 ug/L Vinyl 2-Chloroethyl Ether 2.99 ug/L Acetone 3.0 ug/L Arsenic 3.2 ug/L Bis(2-Ethylhexyl)Phthalate 3.5 ug/L Trichloroethylene (TCE) 3.6 ug/L 1,1,1-Trichloroethane 4.2 ug/L Methylene Chloride 5.84 ug/L Chromium 6.5 ug/L Carbon Tetrachloride 6.6 ug/L Aluminum 10.0 ug/L Zinc 10.0 ug/L Manganese and compounds 11.0 ug/L Vanadium 24.0 ug/L Barium 62.0 ug/L Iron 330.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Acetone 0.0057 mg/kg Benzo(a)Pyrene 0.013000000000000001 mg/kg 1,2-Benzacenaphthene 0.014 mg/kg Naphthalene 0.015 mg/kg Fluorene 0.019 mg/kg Benzo(def)Phenanthrene 0.022 mg/kg Chrysene 0.027 mg/kg Trichloroethylene (TCE) 0.031 mg/kg Bis(2-Ethylhexyl)Phthalate 0.035 mg/kg Selenium 0.098 mg/kg Cadmium and compounds 0.23 mg/kg 2-Methylnaphthalene 0.25 mg/kg Molybdenum 0.38 mg/kg Beryllium and compounds 0.39 mg/kg Silver and compounds 0.44 mg/kg Antimony and compounds 0.64 mg/kg Arsenic 3.7 mg/kg Lead 5.75 mg/kg Cobalt 9.5 mg/kg Copper and compounds 20.0 mg/kg Nickel (Soluble Salts) 30.0 mg/kg Chromium 31.0 mg/kg Zinc 34.5 mg/kg Vanadium 45.0 mg/kg Barium 149.5 mg/kg Manganese and compounds 235.0 mg/kg Aluminum 12350.0 mg/kg Iron 20500.0 mg/kg

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Site ID: MY267

AOC G-3 (MAT V)

Maintenance Yard

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Carbon Tetrachloride 0.0255 ug/L Trichlorofluoromethane 0.046 ug/L 1,3-Dichlorobenzene 0.0465 ug/L Trichloroethylene (TCE) 0.0734 ug/L Benzene, methyl- 0.0828 ug/L Cobalt 0.091 ug/L Cadmium and compounds 0.2 ug/L Freon 113 0.2 ug/L Lead 0.225 ug/L Antimony and compounds 0.29 ug/L Chloromethane (methyl chloride) 0.311 ug/L Copper and compounds 0.33 ug/L Chloroform 0.39 ug/L 1,2-trans-dichloroethylene 0.41 ug/L Molybdenum 0.45 ug/L 1,1,1-Trichloroethane 0.978 ug/L Methylene Chloride 1.3 ug/L 1,1-Dichloroethane 1.45 ug/L Manganese and compounds 1.8 ug/L 1,1-Dichloroethylene 1.85 ug/L Beryllium and compounds 2.0 ug/L Aluminum 2.9 ug/L Carbon Dichloride 3.2 ug/L 1,2-Dichloroethane (EDC) 3.24 ug/L Arsenic 3.5 ug/L cis-1,2-Dichloroethylene 7.75 ug/L Acetone 15.7 ug/L Chromium 16.0 ug/L Vanadium 26.0 ug/L Nickel (Soluble Salts) 42.0 ug/L Barium 46.0 ug/L Iron 55.0 ug/L Zinc 57.0 ug/L

Soil: Risk Not Evaluated

Contaminants: 2-Methylnaphthalene 0.0076 mg/kg Acenaphthene 0.0078 mg/kg Fluorene 0.0087 mg/kg Anthracene 0.018000000000000002 mg/kg Naphthalene 0.022 mg/kg Dibenz[ah]anthracene 0.03 mg/kg Silver and compounds 0.07150000000000001 mg/kg Dibutyl Phthalate 0.082 mg/kg Benzenol 0.098 mg/kg Indeno(1,2,3-cd)Pyrene 0.13 mg/kg Bis(2-Ethylhexyl)Phthalate 0.17 mg/kg Butyl Benzyl Phthalate 0.18 mg/kg Benz(a)Anthracene 0.22 mg/kg Antimony and compounds 0.24 mg/kg 8,9-Benzofluoranthene 0.25 mg/kg Dibenzofuran 0.26 mg/kg Benzo(a)Pyrene 0.28 mg/kg Beryllium and compounds 0.305 mg/kg Chrysene 0.38 mg/kg 2,3-Benzofluoranthene 0.47000000000000003 mg/kg 1,2-Benzacenaphthene 0.48 mg/kg Benzo(def)Phenanthrene 0.49 mg/kg Molybdenum 0.56 mg/kg Cadmium and compounds 0.8250000000000001 mg/kg Benzoic Acid 1.2 mg/kg Arsenic 2.85 mg/kg Cobalt 13.85 mg/kg Copper and compounds 17.650000000000002 mg/kg Nickel (Soluble Salts) 28.25 mg/kg Chromium 34.0 mg/kg Vanadium 34.2 mg/kg Lead 35.550000000000004 mg/kg Zinc 44.25 mg/kg Barium 180.5 mg/kg Manganese and compounds 211.0 mg/kg Aluminum 7330.0 mg/kg Iron 14150.0 mg/kg

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Site ID: WL161

IWL

Waste Lines

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,3-Dichlorobenzene 0.043 ug/L Silver and compounds 0.044 ug/L Antimony and compounds 0.085 ug/L Lead 0.09 ug/L Benzene, p-dichloro- 0.0963 ug/L Freon 113 0.1415 ug/L 1,1,1-Trichloroethane 0.15 ug/L Bromobenzene 0.16 ug/L 1,2-trans-dichloroethylene 0.18 ug/L Cadmium and compounds 0.1835 ug/L Carbon Tetrachloride 0.188 ug/L o-Xylene 0.22 ug/L 1,1-Dichloroethylene 0.228 ug/L Trichlorofluoromethane 0.25 ug/L tert-Butylbenzene 0.26 ug/L 1,2-Dichlorobenzene 0.32 ug/L Benzene 0.36 ug/L 1,2-Dichloroethane (EDC) 0.4 ug/L Carbon Dichloride 0.43 ug/L Chloroform 0.46 ug/L Selenium 0.59 ug/L Ethyl benzene 0.68 ug/L cis-1,2-Dichloroethylene 0.72 ug/L sec-Butylbenzene 0.773 ug/L 1,1,2-Trichloroethane 0.97 ug/L Chloromethane (methyl chloride) 0.99 ug/L 1,1-Dichloroethane 1.4 ug/L Benzene, chloro- 1.6 ug/L Benzene, methyl- 1.7 ug/L Molybdenum 1.7 ug/L Zinc 1.8 ug/L Beryllium and compounds 2.0 ug/L Arsenic 3.3 ug/L Aluminum 3.5 ug/L Trichloroethylene (TCE) 4.7 ug/L Acetone 5.23 ug/L Methylene Chloride 6.06 ug/L Vinyl 2-Chloroethyl Ether 6.26 ug/L Copper and compounds 11.3 ug/L Cobalt 23.0 ug/L Naphthalene 24.0 ug/L Vanadium 28.0 ug/L Barium 140.0 ug/L Chromium 420.0 ug/L Manganese and compounds 540.0 ug/L Nickel (Soluble Salts) 2050.0 ug/L Iron 15500.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: HCH (gamma) Lindane 0.0038 mg/kg Aldrin 0.0048 mg/kg HCH (alpha) 0.008 mg/kg Heptachlor Epoxide 0.017 mg/kg DDT 0.026000000000000002 mg/kg Endrin 0.027 mg/kg HCH (beta) 0.037 mg/kg DDE 0.044 mg/kg DDD 0.23 mg/kg Dibutyl Phthalate 0.26 mg/kg Beryllium and compounds 0.42 mg/kg p-Chlorotoluene 0.47000000000000003 mg/kg Dieldrin 0.525 mg/kg Aroclor 1254 0.72 mg/kg Selenium 1.3 mg/kg Fluorene 1.4000000000000001 mg/kg Butyl Benzyl Phthalate 1.5 mg/kg Dibenz[ah]anthracene 2.3000000000000003 mg/kg sec-Butylbenzene 2.4 mg/kg Anthracene 2.6 mg/kg Cumene 2.7 mg/kg Benzene, 1,2,4-trichloro- 4.1 mg/kg Ethyl benzene 4.2 mg/kg Carbon Dichloride 5.0 mg/kg n-Butylbenzene 5.3 mg/kg Benzene, methyl- 5.4 mg/kg Indeno(1,2,3-cd)Pyrene 6.5 mg/kg 8,9-Benzofluoranthene 7.0 mg/kg 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 7.3 mg/kg 1-Phenylpropane 7.5 mg/kg 1,3-Dichlorobenzene 7.55 mg/kg Benzene, chloro- 8.0 mg/kg o-Xylene 8.8 mg/kg Benzo(a)Pyrene 13.0 mg/kg Antimony and compounds 14.0 mg/kg Arsenic 15.0 mg/kg Benz(a)Anthracene 17.0 mg/kg Naphthalene 17.0 mg/kg 1,3,5-Trimethylbenzene 19.0 mg/kg 2,3-Benzofluoranthene 24.0 mg/kg Benzo(def)Phenanthrene 27.0 mg/kg 1,2-Benzacenaphthene 27.0 mg/kg Chrysene 28.0 mg/kg Cobalt 28.0 mg/kg Benzene, p-dichloro- 32.5 mg/kg 2-Methylnaphthalene 52.0 mg/kg 1,2,4-Trimethylbenzene 55.0 mg/kg Vanadium 58.0 mg/kg Bis(2-Ethylhexyl)Phthalate 61.0 mg/kg Silver and compounds 100.0 mg/kg 1,2-Dichlorobenzene 127.5 mg/kg Cadmium and compounds 190.0 mg/kg Nickel (Soluble Salts) 300.0 mg/kg Manganese and compounds 320.0 mg/kg Molybdenum 340.0 mg/kg Freon 113 370.0 mg/kg Barium 620.0 mg/kg Chromium 860.0 mg/kg Copper and compounds 1200.0 mg/kg Zinc 2400.0 mg/kg Lead 2500.0 mg/kg Aluminum 7800.0 mg/kg Iron 64000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: 1,2-Dichlorobenzene 0.00095 mg/kg Benzene, methyl- 0.0011 mg/kg Anthracene 0.0011766667 mg/kg 1,2-Benzacenaphthene 0.002 mg/kg Dibenz[ah]anthracene 0.002 mg/kg Methyl Ethyl Ketone 0.0023 mg/kg n-Butylbenzene 0.0024 mg/kg Benzene, p-dichloro- 0.0026000000000000003 mg/kg Fluorene 0.0028333333 mg/kg 8,9-Benzofluoranthene 0.003 mg/kg Benz(a)Anthracene 0.0037 mg/kg Benzo(def)Phenanthrene 0.004200000000000001 mg/kg Chrysene 0.0048 mg/kg Indeno(1,2,3-cd)Pyrene 0.0056 mg/kg Hexanone 0.006500000000000001 mg/kg Acetone 0.0069500000000000004 mg/kg Benzo(a)Pyrene 0.0076 mg/kg 2,3-Benzofluoranthene 0.0095 mg/kg cis-1,2-Dichloroethylene 0.01 mg/kg 1,1,1-Trichloroethane 0.011 mg/kg Trichloroethylene (TCE) 0.013000000000000001 mg/kg 1,3,5-Trimethylbenzene 0.014 mg/kg DDT 0.014 mg/kg Methylene Chloride 0.015 mg/kg 1,1-Dichloroethane 0.018000000000000002 mg/kg Pentachlorophenol 0.0364 mg/kg Benzenedicarboxylate 0.048 mg/kg o-Xylene 0.051250000000000004 mg/kg Benzene, chloro- 0.076 mg/kg Benzene 0.0772 mg/kg Carbon Dichloride 0.09 mg/kg Bis(2-Ethylhexyl)Phthalate 0.1055 mg/kg Selenium 0.16 mg/kg Dibutyl Phthalate 0.165 mg/kg Antimony and compounds 0.16666666670000002 mg/kg sec-Butylbenzene 0.19140000000000001 mg/kg Silver and compounds 0.21 mg/kg Butyl Benzyl Phthalate 0.28 mg/kg Cumene 0.33455 mg/kg Beryllium and compounds 0.37 mg/kg 1-Phenylpropane 0.37395 mg/kg Cadmium and compounds 0.42 mg/kg Ethyl benzene 0.6075 mg/kg Molybdenum 1.044 mg/kg Naphthalene 1.3180999999999998 mg/kg 1,2,4-Trimethylbenzene 1.3883150000000002 mg/kg 2-Methylnaphthalene 3.935 mg/kg Arsenic 4.5 mg/kg Cobalt 9.4 mg/kg Nickel (Soluble Salts) 20.333333333 mg/kg Copper and compounds 20.5 mg/kg Chromium 28.666666667 mg/kg Lead 44.0 mg/kg Vanadium 45.0 mg/kg Zinc 71.0 mg/kg Bromobenzene 79.5 mg/kg Manganese and compounds 206.66666667 mg/kg Barium 206.66666667 mg/kg Aluminum 14000.0 mg/kg Iron 22000.0 mg/kg

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Site ID: WL162

INDUS. WASTEWATER LINE

Waste Lines

Cost

$14K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Dichloropropane 0.0654 ug/L Benzene, chloro- 0.07 ug/L Beryllium and compounds 0.12 ug/L Vinyl 2-Chloroethyl Ether 0.165 ug/L Cadmium and compounds 0.17 ug/L 1,1,1-Trichloroethane 0.171 ug/L 1,3-Dichlorobenzene 0.185 ug/L 1,1,2-Trichloroethane 0.2 ug/L Methylene Bromide 0.208 ug/L Benzene 0.215 ug/L Ethyl benzene 0.236 ug/L 1,2-trans-dichloroethylene 0.24 ug/L 1,2-Dichloroethane (EDC) 0.28 ug/L cis-1,2-Dichloroethylene 0.28 ug/L Selenium 0.28 ug/L Benzene, methyl- 0.29 ug/L Antimony and compounds 0.3 ug/L 1,2,4-Trimethylbenzene 0.315 ug/L 1,2-Dichlorobenzene 0.322 ug/L Molybdenum 0.36 ug/L Benzene, p-dichloro- 0.37 ug/L Bromodichloromethane 0.38 ug/L Lead 0.49 ug/L Manganese and compounds 0.5 ug/L o-Xylene 0.5 ug/L 1,2-Dichloroethene 0.52 ug/L Methylene Chloride 0.6 ug/L Carbon Dichloride 0.66 ug/L Trichlorofluoromethane 0.752 ug/L Copper and compounds 0.89 ug/L Chloromethane (methyl chloride) 0.89 ug/L Cobalt 0.91 ug/L Silver and compounds 0.925 ug/L Vinyl Chloride 1.03 ug/L Bis(2-Ethylhexyl)Phthalate 1.2 ug/L 1,2,3-Trichloropropane 1.4 ug/L Arsenic 3.3 ug/L Methyl Ethyl Ketone 3.65 ug/L Freon 113 3.7 ug/L Nickel (Soluble Salts) 4.5 ug/L 1,4-Diethylene Dioxide 4.8 ug/L Carbon Tetrachloride 6.4 ug/L Acetone 7.1 ug/L o-Chlorotoluene 8.05 ug/L Iron 8.3 ug/L Chloroform 8.4 ug/L Zinc 9.2 ug/L Trichloroethylene (TCE) 9.8 ug/L 1,1-Dichloroethylene 10.0 ug/L 1,1-Dichloroethane 12.0 ug/L Chromium 16.0 ug/L Aluminum 21.0 ug/L Vanadium 24.0 ug/L 1,1,2,2-Tetrachloroethane 27.0 ug/L Bromobenzene 30.1 ug/L Barium 45.0 ug/L Fluoride 220.0 ug/L Carbon Disulfide 340.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: DDE 0.0012 mg/kg Aldrin 0.004 mg/kg Dieldrin 0.004 mg/kg DDT 0.0045000000000000005 mg/kg Benzene, methyl- 0.044 mg/kg 1,2,4-Trimethylbenzene 0.078 mg/kg Aroclor 1254 0.19 mg/kg Silver and compounds 0.21 mg/kg Selenium 0.31 mg/kg Beryllium and compounds 0.35000000000000003 mg/kg Methyl Ethyl Ketone 0.53 mg/kg Antimony and compounds 0.59 mg/kg Acetone 0.76 mg/kg Molybdenum 1.1 mg/kg Cadmium and compounds 2.7 mg/kg Bis(2-Ethylhexyl)Phthalate 6.6000000000000005 mg/kg Arsenic 7.3 mg/kg Cobalt 22.0 mg/kg Lead 55.0 mg/kg Nickel (Soluble Salts) 68.0 mg/kg Copper and compounds 73.0 mg/kg Chromium 80.0 mg/kg Vanadium 87.0 mg/kg Zinc 140.0 mg/kg Barium 190.0 mg/kg Manganese and compounds 450.0 mg/kg Aluminum 20000.0 mg/kg Iron 34000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: HCH (gamma) Lindane 0.00025 mg/kg Methoxychlor 0.00092 mg/kg Dieldrin 0.0011 mg/kg Carbon Dichloride 0.0018000000000000002 mg/kg Heptachlor Epoxide 0.0023 mg/kg Acetone 0.0027 mg/kg Dinoseb 0.0029 mg/kg Dibenz[ah]anthracene 0.0037 mg/kg Benzene, methyl- 0.0044 mg/kg Chloroform 0.005900000000000001 mg/kg Dichlorodifluoromethane 0.00635 mg/kg 1,1,1-Trichloroethane 0.0102571429 mg/kg DDD 0.014 mg/kg DDE 0.017235 mg/kg Mirex 0.023 mg/kg Freon 113 0.0266666667 mg/kg 1,2-Benzacenaphthene 0.028 mg/kg 8,9-Benzofluoranthene 0.029 mg/kg Chrysene 0.03 mg/kg Benz(a)Anthracene 0.0325 mg/kg Benzo(a)Pyrene 0.037 mg/kg cis-1,2-Dichloroethylene 0.04 mg/kg 2-Methylnaphthalene 0.045 mg/kg Benzo(def)Phenanthrene 0.048 mg/kg Anthracene 0.049 mg/kg Selenium 0.053 mg/kg DDT 0.065485 mg/kg 4-Hydroxynitrobenzene 0.066 mg/kg 2,3-Benzofluoranthene 0.0665 mg/kg Indeno(1,2,3-cd)Pyrene 0.067 mg/kg o-Xylene 0.0675 mg/kg Biphenyl, polychloro- 0.075 mg/kg Chlordane 0.091 mg/kg Fluorene 0.14 mg/kg Cyanide (free) 0.16 mg/kg Isophorone 0.17 mg/kg 1,2-Dichlorobenzene 0.180625 mg/kg Acenaphthene 0.2 mg/kg Beryllium and compounds 0.27 mg/kg Dibutyl Phthalate 0.35000000000000003 mg/kg Methylene Chloride 0.35655000000000003 mg/kg Benzoic Acid 0.43 mg/kg 2,4-Dinitrophenol 0.46 mg/kg Antimony and compounds 0.46 mg/kg tert-Butylbenzene 0.63 mg/kg Aroclor 1254 0.7000000000000001 mg/kg Molybdenum 0.86 mg/kg 2-Methyl-4-Chlorophenoxyacetic Acid 1.5 mg/kg n-Butylbenzene 2.4 mg/kg Arsenic 2.4 mg/kg Silver and compounds 2.5 mg/kg 2-(2-Methyl-4-Chlorophenoxy)Propionic Acid 2.5 mg/kg Methanol 3.5 mg/kg sec-Butylbenzene 4.6000000000000005 mg/kg Cobalt 6.6000000000000005 mg/kg Cumene 7.3 mg/kg Benzene 8.2 mg/kg Naphthalene 8.4 mg/kg 1-Phenylpropane 12.0 mg/kg Phosphorus (white) 12.4 mg/kg Ethyl benzene 14.0 mg/kg Trichloroethylene (TCE) 15.008000000000001 mg/kg Nickel (Soluble Salts) 16.0 mg/kg Cadmium and compounds 16.0 mg/kg Copper and compounds 24.0 mg/kg Vanadium 39.0 mg/kg Chromium 61.0 mg/kg Lead 63.0 mg/kg Zinc 69.0 mg/kg Barium 120.0 mg/kg Boron 125.26666667 mg/kg Bis(2-Ethylhexyl)Phthalate 130.0 mg/kg Manganese and compounds 240.0 mg/kg Aluminum 11000.0 mg/kg Iron 21000.0 mg/kg

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Site ID: MY269

AOC G-5 (MAT U AND BLDG 1071)

Maintenance Yard

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, 1,2,4-trichloro- 0.092 ug/L Benzene 0.167 ug/L n-Butylbenzene 0.192 ug/L Chlorodibromomethane 0.23 ug/L 1,2-trans-dichloroethylene 0.25 ug/L Chloroform 0.25 ug/L Lead 0.25 ug/L Cadmium and compounds 0.27 ug/L Antimony and compounds 0.28 ug/L Bromomethane 0.28 ug/L Methylene Bromide 0.3 ug/L Copper and compounds 0.35 ug/L Bromoform 0.38 ug/L 1,1-Dichloroethylene 0.45 ug/L Chloromethane (methyl chloride) 0.48 ug/L 1,2-Dichloroethane (EDC) 0.51 ug/L Silver and compounds 0.51 ug/L Carbon Tetrachloride 0.555 ug/L Molybdenum 0.575 ug/L Freon 113 0.62 ug/L Naphthalene 0.81 ug/L Benzene, methyl- 0.85 ug/L Bis(2-Ethylhexyl)Phthalate 1.5 ug/L Selenium 1.7 ug/L Cobalt 1.92 ug/L Methyl Ethyl Ketone 2.1 ug/L Methylene Chloride 2.4 ug/L cis-1,2-Dichloroethylene 3.4 ug/L Arsenic 3.9 ug/L Cumene 4.18 ug/L Zinc 5.45 ug/L Acetone 7.3 ug/L Chromium 8.0 ug/L 1,1-Dichloroethane 8.2 ug/L Nickel (Soluble Salts) 9.8 ug/L Manganese and compounds 14.0 ug/L Carbon Dichloride 19.0 ug/L Vanadium 23.0 ug/L Trichloroethylene (TCE) 26.0 ug/L Aluminum 40.0 ug/L Barium 56.0 ug/L Iron 215.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: HCH (alpha) 0.0031000000000000003 mg/kg Aldrin 0.0044 mg/kg DDE 0.0081 mg/kg HCH (beta) 0.009800000000000001 mg/kg HCH (gamma) Lindane 0.014 mg/kg DDT 0.02 mg/kg DDD 0.025 mg/kg Heptachlor 0.035 mg/kg Heptachlor Epoxide 0.041 mg/kg Benzenedicarboxylate 0.055 mg/kg Anthracene 0.06 mg/kg Dieldrin 0.081 mg/kg Endrin 0.089 mg/kg Aroclor 1254 0.11 mg/kg Benz(a)Anthracene 0.12 mg/kg Indeno(1,2,3-cd)Pyrene 0.13 mg/kg 8,9-Benzofluoranthene 0.14 mg/kg 2-Methylnaphthalene 0.14 mg/kg Benzo(a)Pyrene 0.23 mg/kg Chrysene 0.24 mg/kg 1,2-Benzacenaphthene 0.31 mg/kg Naphthalene 0.32 mg/kg Beryllium and compounds 0.36 mg/kg Butyl Benzyl Phthalate 0.37 mg/kg Bis(2-Ethylhexyl)Phthalate 0.38 mg/kg Benzo(def)Phenanthrene 0.38 mg/kg 2,3-Benzofluoranthene 0.38 mg/kg Dibenzofuran 0.39 mg/kg Selenium 0.4 mg/kg Dibutyl Phthalate 0.51 mg/kg Fluorene 0.71 mg/kg Acenaphthene 0.74 mg/kg 2,4-Dimethylphenol 1.2 mg/kg Silver and compounds 2.2 mg/kg Dibenz[ah]anthracene 2.4 mg/kg Molybdenum 2.6 mg/kg Arsenic 2.9 mg/kg Antimony and compounds 9.200000000000001 mg/kg Cobalt 13.0 mg/kg Cadmium and compounds 31.0 mg/kg Nickel (Soluble Salts) 47.0 mg/kg Vanadium 61.0 mg/kg Copper and compounds 130.0 mg/kg Manganese and compounds 180.0 mg/kg Chromium 180.0 mg/kg Barium 350.0 mg/kg Zinc 870.0 mg/kg Lead 1800.0 mg/kg Aluminum 16000.0 mg/kg Iron 22000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Endrin 0.0008 mg/kg DDE 0.0024 mg/kg Acenaphthene 0.0040999999999999995 mg/kg 2-Methylnaphthalene 0.0046500000000000005 mg/kg Methoxychlor 0.0047 mg/kg Fluorene 0.0053 mg/kg Naphthalene 0.0056500000000000005 mg/kg DDT 0.0058 mg/kg Anthracene 0.02195 mg/kg Bis(2-Ethylhexyl)Phthalate 0.064 mg/kg Silver and compounds 0.0946666667 mg/kg Dibenz[ah]anthracene 0.14250000000000002 mg/kg Dibutyl Phthalate 0.17 mg/kg Cadmium and compounds 0.22666666670000002 mg/kg Diethyl Phthalate 0.267 mg/kg Butyl Benzyl Phthalate 0.315 mg/kg Dibenzofuran 0.365 mg/kg Benz(a)Anthracene 0.41500000000000004 mg/kg Indeno(1,2,3-cd)Pyrene 0.505 mg/kg 8,9-Benzofluoranthene 0.51 mg/kg Benzo(def)Phenanthrene 0.54 mg/kg Chrysene 0.55 mg/kg 1,2-Benzacenaphthene 0.555 mg/kg Beryllium and compounds 0.6435 mg/kg Benzo(a)Pyrene 0.66 mg/kg Molybdenum 0.787 mg/kg 2,3-Benzofluoranthene 0.915 mg/kg Selenium 3.0 mg/kg Arsenic 6.8 mg/kg Lead 8.6 mg/kg Cobalt 10.723333333000001 mg/kg Copper and compounds 28.0 mg/kg Chromium 33.0 mg/kg Nickel (Soluble Salts) 33.733333333000004 mg/kg Zinc 45.366666667 mg/kg Vanadium 68.733333333 mg/kg Barium 244.66666667 mg/kg Manganese and compounds 430.66666667000004 mg/kg Aluminum 16133.333333 mg/kg Iron 24300.0 mg/kg

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Site ID: WL160

IWL

Waste Lines

Cost

$14K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.094 ug/L Antimony and compounds 0.1 ug/L Cobalt 0.1 ug/L Naphthalene 0.1 ug/L Silver and compounds 0.11 ug/L Benzene, chloro- 0.167 ug/L Cadmium and compounds 0.17 ug/L Trichlorofluoromethane 0.18 ug/L Benzene 0.22 ug/L Dichloropropane 0.23 ug/L Benzene, methyl- 0.237 ug/L 1,1-Dichloroethylene 0.24 ug/L 1,1,2-Trichloroethane 0.26 ug/L 1,2,4-Trimethylbenzene 0.284 ug/L 1,1-Dichloroethane 0.3 ug/L 1,2-trans-dichloroethylene 0.32 ug/L cis-1,2-Dichloroethylene 0.36 ug/L Lead 0.36 ug/L Selenium 0.37 ug/L 1,2-Dichloroethane (EDC) 0.39 ug/L Carbon Dichloride 0.4 ug/L 1,2-Dichlorobenzene 0.41 ug/L Copper and compounds 0.43 ug/L Molybdenum 0.45 ug/L Vinyl Chloride 0.47 ug/L Chloromethane (methyl chloride) 0.71 ug/L Manganese and compounds 0.85 ug/L Methylene Chloride 1.015 ug/L Chloroform 2.2 ug/L Acetone 2.5 ug/L Carbon Tetrachloride 2.9 ug/L Zinc 2.9 ug/L Arsenic 3.5 ug/L Nickel (Soluble Salts) 5.5 ug/L Trichloroethylene (TCE) 8.3 ug/L Aluminum 10.0 ug/L Chromium 13.0 ug/L Vanadium 24.0 ug/L Barium 64.0 ug/L Iron 69.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 5.92e-06 mg/kg Dieldrin 0.0058 mg/kg Benz(a)Anthracene 0.023 mg/kg 1-Phenylpropane 0.025 mg/kg 1,2,4-Trimethylbenzene 0.03 mg/kg Indeno(1,2,3-cd)Pyrene 0.035 mg/kg 2,3-Benzofluoranthene 0.043000000000000003 mg/kg 8,9-Benzofluoranthene 0.045 mg/kg Chrysene 0.046 mg/kg sec-Butylbenzene 0.051000000000000004 mg/kg Benzo(a)Pyrene 0.052000000000000005 mg/kg Methyl Ethyl Ketone 0.057 mg/kg DDT 0.069 mg/kg Benzo(def)Phenanthrene 0.078 mg/kg 1,2-Benzacenaphthene 0.092 mg/kg Acetone 0.17 mg/kg n-Butylbenzene 0.2 mg/kg Beryllium and compounds 0.33 mg/kg Selenium 0.33 mg/kg Arsenic 4.2 mg/kg Cobalt 12.0 mg/kg Antimony and compounds 14.0 mg/kg Molybdenum 16.0 mg/kg Silver and compounds 21.0 mg/kg Cadmium and compounds 39.0 mg/kg Vanadium 52.0 mg/kg Nickel (Soluble Salts) 58.0 mg/kg Chromium 130.0 mg/kg Manganese and compounds 170.0 mg/kg Barium 250.0 mg/kg Lead 700.0 mg/kg Copper and compounds 740.0 mg/kg Zinc 3900.0 mg/kg Aluminum 12000.0 mg/kg Iron 24000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Anthracene 0.001 mg/kg Fluorene 0.0012 mg/kg Benz(a)Anthracene 0.0018000000000000002 mg/kg Dibenz[ah]anthracene 0.0022 mg/kg Benzo(def)Phenanthrene 0.0025 mg/kg Indeno(1,2,3-cd)Pyrene 0.0032 mg/kg 1,2-Benzacenaphthene 0.0034 mg/kg 8,9-Benzofluoranthene 0.0040999999999999995 mg/kg 2-Methylnaphthalene 0.0055 mg/kg Naphthalene 0.0078 mg/kg 1,1,1-Trichloroethane 0.014750000000000001 mg/kg Benzo(a)Pyrene 0.03 mg/kg Aroclor 1254 0.036000000000000004 mg/kg Chrysene 0.036000000000000004 mg/kg 2,3-Benzofluoranthene 0.038 mg/kg Bis(2-Ethylhexyl)Phthalate 0.043000000000000003 mg/kg Cadmium and compounds 0.16 mg/kg Molybdenum 0.52 mg/kg Beryllium and compounds 0.615 mg/kg Arsenic 2.4 mg/kg Cobalt 8.4 mg/kg Lead 9.1 mg/kg Nickel (Soluble Salts) 24.1 mg/kg Chromium 24.650000000000002 mg/kg Copper and compounds 27.8 mg/kg Vanadium 50.6 mg/kg Zinc 58.6 mg/kg Bromobenzene 82.0 mg/kg Barium 172.5 mg/kg Manganese and compounds 236.0 mg/kg Aluminum 17700.0 mg/kg Iron 22700.0 mg/kg

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Site ID: RW297

SA 102 (FORMER BUILDING 361)

Washrack

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2048

Site ID: MY268

AOC G-4 (EAST OF MAT V INLCUDING BLDGS 1100/1102)

Maintenance Yard

Cost

$25K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, methyl- 0.0761 ug/L Antimony and compounds 0.077 ug/L Methylene Chloride 0.0854 ug/L Carbon Tetrachloride 0.0873 ug/L 1,1,1-Trichloroethane 0.24 ug/L Trichloroethylene (TCE) 0.253 ug/L Cobalt 0.3 ug/L Bromoform 0.302 ug/L Cadmium and compounds 0.33 ug/L Manganese and compounds 0.41 ug/L Lead 0.51 ug/L Molybdenum 0.55 ug/L Beryllium and compounds 1.9 ug/L 1,2-Dichloroethane (EDC) 1.94 ug/L Zinc 2.7 ug/L Copper and compounds 2.9 ug/L Arsenic 3.1 ug/L Nickel (Soluble Salts) 4.4 ug/L Freon 113 4.5 ug/L Carbon Dichloride 4.87 ug/L Aluminum 20.0 ug/L Chromium 30.0 ug/L Vanadium 32.0 ug/L Barium 54.0 ug/L Iron 110.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Aldrin 0.013000000000000001 mg/kg DDD 0.015 mg/kg Heptachlor Epoxide 0.02 mg/kg DDT 0.028 mg/kg DDE 0.031 mg/kg Selenium 0.2 mg/kg Beryllium and compounds 0.25 mg/kg Aroclor 1254 0.26 mg/kg Silver and compounds 0.44 mg/kg Aroclor-1242 0.64 mg/kg Antimony and compounds 1.3 mg/kg Butyl Benzyl Phthalate 2.3000000000000003 mg/kg Arsenic 5.0 mg/kg Molybdenum 5.9 mg/kg Cadmium and compounds 6.1000000000000005 mg/kg Bis(2-Ethylhexyl)Phthalate 7.9 mg/kg Dibenz[ah]anthracene 9.3 mg/kg Acenaphthene 9.5 mg/kg 2-Methylnaphthalene 16.0 mg/kg Cobalt 18.0 mg/kg Anthracene 25.0 mg/kg Dibenzofuran 29.0 mg/kg Indeno(1,2,3-cd)Pyrene 30.0 mg/kg Fluorene 35.0 mg/kg 8,9-Benzofluoranthene 45.0 mg/kg Nickel (Soluble Salts) 62.0 mg/kg Naphthalene 66.0 mg/kg Benzo(a)Pyrene 73.0 mg/kg Vanadium 73.0 mg/kg Benz(a)Anthracene 80.0 mg/kg Chromium 84.0 mg/kg Chrysene 87.0 mg/kg 2,3-Benzofluoranthene 99.0 mg/kg Lead 150.0 mg/kg Benzo(def)Phenanthrene 160.0 mg/kg Copper and compounds 160.0 mg/kg 1,2-Benzacenaphthene 260.0 mg/kg Manganese and compounds 290.0 mg/kg Barium 600.0 mg/kg Zinc 1200.0 mg/kg Aluminum 13000.0 mg/kg Iron 26000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Benzenol 0.045 mg/kg Antimony and compounds 0.13 mg/kg Dibutyl Phthalate 0.14 mg/kg Cadmium and compounds 0.155 mg/kg Acenaphthene 0.1585 mg/kg Dibenz[ah]anthracene 0.169 mg/kg 2-Methylnaphthalene 0.242 mg/kg Butyl Benzyl Phthalate 0.28 mg/kg Molybdenum 0.325 mg/kg Dibenzofuran 0.33 mg/kg Beryllium and compounds 0.35000000000000003 mg/kg Anthracene 0.38 mg/kg Bis(2-Ethylhexyl)Phthalate 0.44 mg/kg Fluorene 0.59 mg/kg Indeno(1,2,3-cd)Pyrene 0.655 mg/kg 8,9-Benzofluoranthene 0.8250000000000001 mg/kg Naphthalene 1.17 mg/kg Benzo(a)Pyrene 1.53 mg/kg Benz(a)Anthracene 2.05 mg/kg Arsenic 2.4 mg/kg 2,3-Benzofluoranthene 2.59 mg/kg Chrysene 2.75 mg/kg Silver and compounds 2.928 mg/kg Benzo(def)Phenanthrene 4.65 mg/kg Lead 5.15 mg/kg Selenium 5.2 mg/kg 1,2-Benzacenaphthene 5.5 mg/kg Cobalt 6.835 mg/kg Copper and compounds 21.900000000000002 mg/kg Nickel (Soluble Salts) 24.2 mg/kg Chromium 26.05 mg/kg Zinc 26.45 mg/kg Vanadium 40.5 mg/kg Barium 134.2 mg/kg Manganese and compounds 163.0 mg/kg Aluminum 10290.0 mg/kg Iron 14550.0 mg/kg

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Site ID: WL169

IWL DRAIN AT BLDG. 431

Waste Lines

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: HCH (beta) 0.027 ug/L Cobalt 0.047 ug/L Methylene Chloride 0.12 ug/L Manganese and compounds 0.16 ug/L Molybdenum 0.17 ug/L Antimony and compounds 0.19 ug/L 1,1-Dichloroethane 0.22 ug/L Chloroform 0.23 ug/L 1,1-Dichloroethylene 0.3 ug/L 1,2-Dichloroethane (EDC) 0.34 ug/L Dichloropropane 0.35 ug/L Nickel (Soluble Salts) 0.36 ug/L 1,1,2-Trichloroethane 0.37 ug/L cis-1,2-Dichloroethylene 0.39 ug/L Lead 0.43 ug/L 1,2-trans-dichloroethylene 0.45 ug/L Copper and compounds 0.48 ug/L Carbon Tetrachloride 0.54 ug/L Selenium 0.67 ug/L Aluminum 1.1 ug/L Chloromethane (methyl chloride) 1.1 ug/L Acetone 2.1 ug/L Arsenic 3.4 ug/L Trichloroethylene (TCE) 5.5 ug/L Zinc 8.0 ug/L Chromium 13.0 ug/L Vanadium 24.0 ug/L Iron 37.0 ug/L Barium 57.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Aldrin 0.00033 mg/kg DDE 0.00098 mg/kg DDT 0.034 mg/kg 8,9-Benzofluoranthene 0.096 mg/kg Aroclor 1254 0.12 mg/kg Benzo(a)Pyrene 0.16 mg/kg Benz(a)Anthracene 0.21 mg/kg Chrysene 0.22 mg/kg Beryllium and compounds 0.23 mg/kg Selenium 0.23 mg/kg 2,3-Benzofluoranthene 0.28 mg/kg 1,2-Benzacenaphthene 0.29 mg/kg Benzo(def)Phenanthrene 0.38 mg/kg Indeno(1,2,3-cd)Pyrene 0.47000000000000003 mg/kg Anthracene 0.49 mg/kg Antimony and compounds 1.3 mg/kg Bis(2-Ethylhexyl)Phthalate 4.6000000000000005 mg/kg Silver and compounds 6.0 mg/kg Arsenic 14.0 mg/kg Molybdenum 17.0 mg/kg Cobalt 39.0 mg/kg Cadmium and compounds 40.0 mg/kg Vanadium 50.0 mg/kg Nickel (Soluble Salts) 120.0 mg/kg Chromium 150.0 mg/kg Barium 160.0 mg/kg Copper and compounds 160.0 mg/kg Manganese and compounds 670.0 mg/kg Lead 3700.0 mg/kg Zinc 4100.0 mg/kg Aluminum 8800.0 mg/kg Iron 110000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: HCH (gamma) Lindane 0.0012 mg/kg Heptachlor 0.0016 mg/kg Aldrin 0.0017 mg/kg HCH (beta) 0.0017 mg/kg Benz(a)Anthracene 0.0023 mg/kg Indeno(1,2,3-cd)Pyrene 0.0025 mg/kg Chrysene 0.0026000000000000003 mg/kg Dieldrin 0.0031000000000000003 mg/kg DDE 0.0033 mg/kg Anthracene 0.0035 mg/kg Benzo(def)Phenanthrene 0.0113666667 mg/kg 1,2-Benzacenaphthene 0.011800000000000001 mg/kg 2,3-Benzofluoranthene 0.0245 mg/kg Beryllium and compounds 0.17 mg/kg Dibutyl Phthalate 0.297 mg/kg Bis(2-Ethylhexyl)Phthalate 0.7695 mg/kg Molybdenum 1.16 mg/kg Cadmium and compounds 1.86 mg/kg Arsenic 4.285 mg/kg Cobalt 5.5866666667 mg/kg Naphthalene 11.4 mg/kg Nickel (Soluble Salts) 17.2 mg/kg Copper and compounds 18.066666667000003 mg/kg Chromium 23.433333333 mg/kg Vanadium 28.333333333 mg/kg Lead 59.9 mg/kg Bromobenzene 82.0 mg/kg Zinc 87.866666667 mg/kg Barium 93.5 mg/kg Manganese and compounds 210.0 mg/kg Aluminum 6046.6666667 mg/kg Iron 10483.333333 mg/kg

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Site ID: WL220

IWL

Waste Lines

Cost

$7,000

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Antimony and compounds 0.072 ug/L o-Xylene 0.18 ug/L Beryllium and compounds 0.2 ug/L 1,2-Dichloroethane (EDC) 0.206 ug/L Carbon Tetrachloride 0.21 ug/L Benzene 0.215 ug/L Lead 0.24 ug/L Carbon Dichloride 0.2565 ug/L Methylene Chloride 0.297 ug/L Chloroform 0.32 ug/L cis-1,2-Dichloroethylene 0.5475 ug/L Molybdenum 0.74 ug/L Cobalt 1.0 ug/L 1,1-Dichloroethylene 1.1 ug/L Copper and compounds 1.3 ug/L Trichloroethylene (TCE) 1.3 ug/L Aluminum 1.5 ug/L Freon 113 1.6 ug/L Zinc 2.0 ug/L Arsenic 4.5 ug/L Trichlorofluoromethane 6.6 ug/L Manganese and compounds 12.0 ug/L Vanadium 20.0 ug/L Chromium 29.0 ug/L Barium 69.0 ug/L Nickel (Soluble Salts) 190.0 ug/L Iron 1000.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Indeno(1,2,3-cd)Pyrene 0.034 mg/kg Silver and compounds 0.06420000000000001 mg/kg Cadmium and compounds 0.077 mg/kg 2-Methylnaphthalene 0.14 mg/kg Beryllium and compounds 0.34500000000000003 mg/kg Benzyl Alcohol 0.38 mg/kg Molybdenum 0.978 mg/kg Arsenic 4.65 mg/kg Lead 5.9 mg/kg Cobalt 7.3 mg/kg Nickel (Soluble Salts) 17.5 mg/kg Chromium 21.5 mg/kg Copper and compounds 30.0 mg/kg Zinc 39.0 mg/kg Vanadium 46.0 mg/kg Barium 205.0 mg/kg Manganese and compounds 210.0 mg/kg Aluminum 13250.0 mg/kg Iron 23500.0 mg/kg

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Site ID: WL164

INDUS. WASTEWATER LINE

Waste Lines

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2017

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Silver and compounds 0.049 ug/L Cadmium and compounds 0.067 ug/L Beryllium and compounds 0.068 ug/L 1,1,1-Trichloroethane 0.082 ug/L Benzene, 1,2,4-trichloro- 0.093 ug/L Naphthalene 0.13 ug/L Cobalt 0.19 ug/L Nickel (Soluble Salts) 0.2 ug/L Bromoform 0.2 ug/L Dichloropropane 0.2 ug/L Freon 113 0.21 ug/L 1,2-Dichloroethane (EDC) 0.22 ug/L Chloroform 0.23 ug/L Antimony and compounds 0.23 ug/L 1,2-trans-dichloroethylene 0.24 ug/L Trichlorofluoromethane 0.24 ug/L 1,2-Dichlorobenzene 0.251 ug/L Carbon Tetrachloride 0.26 ug/L 1,3-Dichlorobenzene 0.271 ug/L Selenium 0.29 ug/L Benzene, p-dichloro- 0.296 ug/L Ethyl benzene 0.3 ug/L Molybdenum 0.31 ug/L Carbon Dichloride 0.32 ug/L Benzene, chloro- 0.34 ug/L Benzene, methyl- 0.35 ug/L Lead 0.36 ug/L Vinyl Chloride 0.4 ug/L Methylene Chloride 0.53 ug/L 1,1-Dichloroethane 0.58 ug/L 1,1,2-Trichloroethane 0.654 ug/L Chloromethane (methyl chloride) 0.66 ug/L Methyl Ethyl Ketone 0.69 ug/L o-Xylene 0.78 ug/L Chlorodibromomethane 0.814 ug/L Dichlorodifluoromethane 0.825 ug/L 1,1-Dichloroethylene 1.1 ug/L 2-Hexanone 1.2 ug/L Benzene 1.5 ug/L Manganese and compounds 1.7 ug/L Trichloroethylene (TCE) 2.6 ug/L Arsenic 3.1 ug/L Bis(2-Ethylhexyl)Phthalate 3.3 ug/L Zinc 3.7 ug/L 1,4-Diethylene Dioxide 5.2 ug/L Vinyl 2-Chloroethyl Ether 5.75 ug/L Acetone 6.3 ug/L Copper and compounds 7.6 ug/L cis-1,2-Dichloroethylene 8.5 ug/L Chromium 13.0 ug/L 1,2-Dichloroethene 16.0 ug/L Iron 23.0 ug/L Vanadium 29.0 ug/L Bromobenzene 35.6 ug/L Barium 43.0 ug/L Aluminum 87.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 1.0200000000000002e-06 mg/kg 1,2,4-Trimethylbenzene 0.003 mg/kg Benzene, methyl- 0.0044 mg/kg Aldrin 0.0058 mg/kg HCH (alpha) 0.012 mg/kg DDT 0.012 mg/kg HCH (beta) 0.014 mg/kg Methyl Ethyl Ketone 0.015 mg/kg Heptachlor Epoxide 0.016 mg/kg DDD 0.018000000000000002 mg/kg Dieldrin 0.019 mg/kg Endrin 0.028 mg/kg Acetone 0.031 mg/kg HCH (gamma) Lindane 0.034 mg/kg DDE 0.041 mg/kg Dibenz[ah]anthracene 0.048 mg/kg Selenium 0.1 mg/kg Butyl Benzyl Phthalate 0.25 mg/kg Dibenzofuran 0.26 mg/kg Dibutyl Phthalate 0.28 mg/kg Indeno(1,2,3-cd)Pyrene 0.3 mg/kg Aroclor 1254 0.31 mg/kg Fluorene 0.33 mg/kg Anthracene 0.38 mg/kg Naphthalene 0.4 mg/kg 8,9-Benzofluoranthene 0.41000000000000003 mg/kg Beryllium and compounds 0.45 mg/kg Benzo(a)Pyrene 0.72 mg/kg Benz(a)Anthracene 0.74 mg/kg 2-Methylnaphthalene 0.79 mg/kg Chrysene 0.91 mg/kg sec-Butylbenzene 1.1 mg/kg Antimony and compounds 1.1 mg/kg n-Butylbenzene 1.2 mg/kg 2,3-Benzofluoranthene 1.2 mg/kg Cumene 1.5 mg/kg Benzo(def)Phenanthrene 1.8 mg/kg Arsenic 1.9000000000000001 mg/kg Benzenedicarboxylate 2.0 mg/kg 1,2-Benzacenaphthene 2.0 mg/kg 1-Phenylpropane 2.2 mg/kg 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 3.5 mg/kg Bis(2-Ethylhexyl)Phthalate 9.6 mg/kg Molybdenum 15.0 mg/kg Cobalt 18.0 mg/kg Vanadium 42.0 mg/kg Cadmium and compounds 54.0 mg/kg Nickel (Soluble Salts) 78.0 mg/kg Silver and compounds 150.0 mg/kg Manganese and compounds 200.0 mg/kg Barium 220.0 mg/kg Copper and compounds 320.0 mg/kg Lead 730.0 mg/kg Chromium 2400.0 mg/kg Zinc 3000.0 mg/kg Iron 16000.0 mg/kg Aluminum 30000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Dibenzo(b,e)(1,4)dioxin,2,3,7,8-tetrachloro- 5.1999999999999996e-08 mg/kg 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 3.5e-07 mg/kg Aldrin 0.000288 mg/kg Dieldrin 0.00109 mg/kg DDD 0.0011 mg/kg Benzene 0.001196 mg/kg Naphthalene 0.0015 mg/kg HCH (alpha) 0.002 mg/kg DDE 0.002425 mg/kg Methylene Chloride 0.0030499999999999998 mg/kg Acetone 0.0032 mg/kg Acenaphthene 0.0038 mg/kg Fluorene 0.004200000000000001 mg/kg Chloroform 0.0050149999999999995 mg/kg Carbon Tetrachloride 0.0064800000000000005 mg/kg DDT 0.0066 mg/kg 1,1-Dichloroethane 0.007 mg/kg Methyl Ethyl Ketone 0.0078 mg/kg 1,1,1-Trichloroethane 0.015 mg/kg Butyl Benzyl Phthalate 0.0166 mg/kg Anthracene 0.017 mg/kg Freon 113 0.022 mg/kg 1,1,2-Trichloroethane 0.026000000000000002 mg/kg Bis(2-Ethylhexyl)Phthalate 0.03 mg/kg Silver and compounds 0.034 mg/kg Dichloropropane 0.039 mg/kg Dibenz[ah]anthracene 0.04 mg/kg Cadmium and compounds 0.043000000000000003 mg/kg Diethyl Phthalate 0.046 mg/kg HCH (beta) 0.0525 mg/kg Aroclor 1254 0.056 mg/kg Selenium 0.0625 mg/kg Ethyl benzene 0.074 mg/kg 8,9-Benzofluoranthene 0.081 mg/kg o-Xylene 0.097 mg/kg Benzene, 1,2,4-trichloro- 0.1 mg/kg Dibutyl Phthalate 0.1 mg/kg Benz(a)Anthracene 0.11 mg/kg Cyanide (free) 0.123 mg/kg Benzene, p-dichloro- 0.13 mg/kg Indeno(1,2,3-cd)Pyrene 0.13 mg/kg Chrysene 0.15 mg/kg n-Butylbenzene 0.15265 mg/kg 1,2-Benzacenaphthene 0.16 mg/kg Benzo(a)Pyrene 0.17 mg/kg Methoxychlor 0.17 mg/kg Benzo(def)Phenanthrene 0.19 mg/kg 1-Phenylpropane 0.19090000000000001 mg/kg Cumene 0.2 mg/kg Carbon Dichloride 0.23 mg/kg 1,2-Dichlorobenzene 0.25 mg/kg 2,3-Benzofluoranthene 0.27 mg/kg sec-Butylbenzene 0.29 mg/kg 1,2,4-Trimethylbenzene 0.33 mg/kg 2,4-Dimethylphenol 0.34 mg/kg Beryllium and compounds 0.36 mg/kg Benzene, methyl- 0.424 mg/kg Molybdenum 0.44 mg/kg 1,3,5-Trimethylbenzene 0.4572 mg/kg Antimony and compounds 0.49 mg/kg Benzene, chloro- 0.8200000000000001 mg/kg cis-1,2-Dichloroethylene 1.105 mg/kg Bromodichloromethane 2.3000000000000003 mg/kg Arsenic 2.4 mg/kg Ethenylbenzene 2.6 mg/kg 1,2-Dichloroethane (EDC) 2.965 mg/kg Benzidine 3.0 mg/kg Hexanone 3.2 mg/kg 2-Methylnaphthalene 3.6 mg/kg Benzenol 5.0 mg/kg 1,2-trans-dichloroethylene 5.0 mg/kg 2-Cresol 6.0 mg/kg Cobalt 6.8 mg/kg 4-Cresol 9.0 mg/kg Copper and compounds 16.5 mg/kg Nickel (Soluble Salts) 16.85 mg/kg Chromium 21.0 mg/kg Zinc 25.5 mg/kg Vanadium 33.0 mg/kg Lead 40.0 mg/kg Trichloroethylene (TCE) 44.35 mg/kg Barium 120.5 mg/kg Manganese and compounds 145.0 mg/kg Aluminum 10400.0 mg/kg Iron 11500.0 mg/kg

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Site ID: WL225

IWL

Waste Lines

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Lead 0.054 ug/L Benzene 0.102 ug/L Antimony and compounds 0.12 ug/L Cobalt 0.13 ug/L Beryllium and compounds 0.2 ug/L 1,2-Dichloroethane (EDC) 0.21 ug/L 1,2-Dichlorobenzene 0.21 ug/L 1,1,2-Trichloroethane 0.22 ug/L 1,1,1,2-Tetrachloroethane 0.246 ug/L Bromodichloromethane 0.25 ug/L 1,2-trans-dichloroethylene 0.28 ug/L Vinyl Chloride 0.351 ug/L 1,1-Dichloroethane 0.36 ug/L cis-1,2-Dichloroethylene 0.37 ug/L Cadmium and compounds 0.4 ug/L Chloroform 0.52 ug/L Carbon Tetrachloride 0.6 ug/L Benzene, methyl- 0.715 ug/L Carbon Dichloride 0.734 ug/L Copper and compounds 0.87 ug/L Manganese and compounds 1.1 ug/L 1,1,1-Trichloroethane 1.2 ug/L Selenium 1.5 ug/L Molybdenum 1.6 ug/L Methylene Chloride 2.0 ug/L Nickel (Soluble Salts) 2.9 ug/L Arsenic 4.3 ug/L Aluminum 4.9 ug/L Zinc 5.6 ug/L Freon 113 6.5 ug/L Trichlorofluoromethane 8.3 ug/L Acetone 10.0 ug/L Chromium 10.0 ug/L Trichloroethylene (TCE) 11.0 ug/L Vanadium 29.0 ug/L 1,1-Dichloroethylene 50.0 ug/L Iron 64.0 ug/L Barium 74.0 ug/L Chloromethane (methyl chloride) 74.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Fluorene 0.0004 mg/kg Anthracene 0.0005 mg/kg Acenaphthene 0.0005 mg/kg 2,3-Benzofluoranthene 0.0005333333 mg/kg Benzo(def)Phenanthrene 0.0006 mg/kg Chrysene 0.0006333333 mg/kg 1,2-Benzacenaphthene 0.0007666667000000001 mg/kg Bis(2-Ethylhexyl)Phthalate 0.0585 mg/kg Silver and compounds 0.064 mg/kg Cadmium and compounds 0.21 mg/kg Beryllium and compounds 0.39 mg/kg Molybdenum 0.5 mg/kg Arsenic 2.0 mg/kg Lead 9.9 mg/kg Copper and compounds 14.833333333 mg/kg Nickel (Soluble Salts) 18.666666667 mg/kg Chromium 24.533333332999998 mg/kg Zinc 29.866666667 mg/kg Cobalt 48.800000000000004 mg/kg Vanadium 59.633333333 mg/kg Naphthalene 97.0 mg/kg Barium 190.33333333 mg/kg Manganese and compounds 386.0 mg/kg Aluminum 12400.0 mg/kg Iron 21566.666667 mg/kg

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Site ID: WL229

IWL

Waste Lines

Cost

$15K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Site ID: ST147

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$14K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Lead 0.069 ug/L Methylene Chloride 0.0742 ug/L cis-1,2-Dichloroethylene 0.116 ug/L Carbon Dichloride 0.27 ug/L Chloroform 0.28 ug/L Antimony and compounds 0.31 ug/L Cadmium and compounds 0.37 ug/L Chlorodibromomethane 0.4055 ug/L Cobalt 0.505 ug/L Molybdenum 0.93 ug/L Copper and compounds 0.965 ug/L Trichloroethylene (TCE) 0.97 ug/L Bromoform 1.1885 ug/L Selenium 1.3 ug/L Arsenic 1.95 ug/L Zinc 4.0 ug/L Aluminum 4.65 ug/L Bis(2-Ethylhexyl)Phthalate 6.9 ug/L Manganese and compounds 10.0 ug/L Acetone 12.5 ug/L Vanadium 14.5 ug/L Chromium 24.0 ug/L Barium 97.0 ug/L Nickel (Soluble Salts) 280.0 ug/L Iron 335.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Anthracene 0.0004 mg/kg Dibenz[ah]anthracene 0.0005 mg/kg Acenaphthene 0.0007 mg/kg Fluorene 0.0009000000000000001 mg/kg 8,9-Benzofluoranthene 0.00125 mg/kg Benz(a)Anthracene 0.0015500000000000002 mg/kg Indeno(1,2,3-cd)Pyrene 0.0022 mg/kg 2,3-Benzofluoranthene 0.0025499999999999997 mg/kg Benzo(a)Pyrene 0.0026000000000000003 mg/kg 1,2-Benzacenaphthene 0.0029500000000000004 mg/kg Chrysene 0.0030499999999999998 mg/kg Benzo(def)Phenanthrene 0.0034500000000000004 mg/kg 2-Methylnaphthalene 0.007 mg/kg Dibutyl Phthalate 0.066 mg/kg Diethyl Phthalate 0.09 mg/kg Silver and compounds 0.092 mg/kg Naphthalene 0.1335 mg/kg Cadmium and compounds 0.1685 mg/kg Butyl Benzyl Phthalate 0.17 mg/kg Bis(2-Ethylhexyl)Phthalate 0.18 mg/kg Beryllium and compounds 0.367 mg/kg Molybdenum 0.4525 mg/kg Arsenic 2.95 mg/kg Lead 7.5 mg/kg Cobalt 8.725 mg/kg Nickel (Soluble Salts) 18.55 mg/kg Copper and compounds 20.35 mg/kg Chromium 22.6 mg/kg Zinc 46.95 mg/kg Vanadium 56.2 mg/kg Barium 360.0 mg/kg Manganese and compounds 373.5 mg/kg Aluminum 15825.0 mg/kg Iron 22900.0 mg/kg

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Site ID: SD106

DEGREASER/SPRAY BOOTHS

Storm Drain

Cost

$15K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cobalt 0.057 ug/L Silver and compounds 0.076 ug/L Antimony and compounds 0.078 ug/L Cumene 0.17 ug/L 1,3-Dichlorobenzene 0.2 ug/L Benzene, chloro- 0.24 ug/L 1,2-Dichlorobenzene 0.24 ug/L Benzene, p-dichloro- 0.25 ug/L Manganese and compounds 0.25 ug/L Molybdenum 0.28 ug/L Freon 113 0.28 ug/L Carbon Dichloride 0.32 ug/L 1,2-trans-dichloroethylene 0.35 ug/L Vinyl Chloride 0.39 ug/L Selenium 0.46 ug/L Lead 0.47 ug/L 1,1,2-Trichloroethane 0.51 ug/L Methylene Chloride 0.605 ug/L Copper and compounds 0.7 ug/L Benzene 0.87 ug/L Chloromethane (methyl chloride) 1.3 ug/L Nickel (Soluble Salts) 1.6 ug/L 1,2-Dichloroethane (EDC) 1.7 ug/L Aluminum 2.1 ug/L Acetone 2.2 ug/L Arsenic 2.8 ug/L 1,4-Diethylene Dioxide 3.3 ug/L Zinc 8.0 ug/L Chromium 8.5 ug/L Chloroform 9.0 ug/L Carbon Tetrachloride 9.3 ug/L 1,1-Dichloroethane 10.35 ug/L Naphthalene 12.0 ug/L cis-1,2-Dichloroethylene 20.0 ug/L 1,1-Dichloroethylene 20.5 ug/L Vanadium 21.0 ug/L Bromobenzene 21.5 ug/L Iron 44.0 ug/L Barium 120.0 ug/L Trichloroethylene (TCE) 245.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Anthracene 0.0011 mg/kg Chrysene 0.0012 mg/kg Benz(a)Anthracene 0.0017 mg/kg Benzo(a)Pyrene 0.01225 mg/kg Acetone 0.018000000000000002 mg/kg Bis(2-Ethylhexyl)Phthalate 0.028 mg/kg Cadmium and compounds 0.3 mg/kg Molybdenum 0.37 mg/kg Antimony and compounds 0.37 mg/kg Beryllium and compounds 0.66 mg/kg Butyl Benzyl Phthalate 0.67 mg/kg Dibutyl Phthalate 1.8 mg/kg Arsenic 3.0500000000000003 mg/kg Lead 8.0 mg/kg Cobalt 10.15 mg/kg Chromium 24.75 mg/kg Nickel (Soluble Salts) 25.55 mg/kg Copper and compounds 29.6 mg/kg Vanadium 57.15 mg/kg Zinc 58.15 mg/kg Barium 310.5 mg/kg Manganese and compounds 396.5 mg/kg Aluminum 19100.0 mg/kg Iron 23950.0 mg/kg

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Site ID: SD082

OPEN DITCH

Storm Drain

Cost

$7,000

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene 0.0515 ug/L Carbon Dichloride 0.0622 ug/L Benzene, chloro- 0.0646 ug/L 1,2-Dichlorobenzene 0.069 ug/L 1,2-Dichloroethane (EDC) 0.24 ug/L 1,1,2-Trichloroethane 0.26 ug/L 1,2-trans-dichloroethylene 0.29 ug/L Beryllium and compounds 0.33 ug/L Dichloropropane 0.33 ug/L Antimony and compounds 0.34 ug/L Bromoform 0.354 ug/L Chloromethane (methyl chloride) 0.399 ug/L Copper and compounds 0.41 ug/L Carbon Tetrachloride 0.42 ug/L Cobalt 0.46 ug/L Lead 0.54 ug/L Methylene Chloride 0.55 ug/L Nickel (Soluble Salts) 0.7 ug/L 1,1-Dichloroethylene 0.71 ug/L Benzene, methyl- 0.903 ug/L cis-1,2-Dichloroethylene 0.99 ug/L Chloroform 1.1 ug/L Molybdenum 1.6 ug/L 1,1-Dichloroethane 1.6 ug/L 1,4-Diethylene Dioxide 1.8 ug/L Manganese and compounds 2.0 ug/L Selenium 2.8 ug/L Bis(2-Ethylhexyl)Phthalate 3.7 ug/L 1,2-Dichloroethene 4.6 ug/L Benzenol 6.0 ug/L Trichloroethylene (TCE) 6.0 ug/L Zinc 6.2 ug/L Arsenic 7.6 ug/L Barium 11.0 ug/L Chromium 11.0 ug/L Acetone 18.0 ug/L Aluminum 21.0 ug/L Vanadium 25.0 ug/L Bromobenzene 32.9 ug/L Iron 140.0 ug/L Naphthalene 241.0 ug/L

Soil: Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 1.567e-06 mg/kg DDE 0.0029 mg/kg Dieldrin 0.0053 mg/kg Naphthalene 0.00535 mg/kg DDD 0.006 mg/kg Fluorene 0.0089 mg/kg 2-Methylnaphthalene 0.0091 mg/kg DDT 0.012 mg/kg 2-Cresol 0.012 mg/kg Dibenz[ah]anthracene 0.0145 mg/kg Anthracene 0.018949999999999998 mg/kg Acenaphthene 0.021 mg/kg Indeno(1,2,3-cd)Pyrene 0.028925000000000003 mg/kg 8,9-Benzofluoranthene 0.035625000000000004 mg/kg 2,4-Dimethylphenol 0.0485 mg/kg Benz(a)Anthracene 0.049325 mg/kg Benzo(a)Pyrene 0.0510428571 mg/kg 2,3-Benzofluoranthene 0.054775 mg/kg Aroclor 1254 0.055 mg/kg Chrysene 0.07128749999999999 mg/kg Silver and compounds 0.12 mg/kg Benzo(def)Phenanthrene 0.130825 mg/kg Antimony and compounds 0.14400000000000002 mg/kg 1,2-Benzacenaphthene 0.1507125 mg/kg Cadmium and compounds 0.64 mg/kg Molybdenum 0.65 mg/kg Beryllium and compounds 0.735 mg/kg Arsenic 4.25 mg/kg Bis(2-Ethylhexyl)Phthalate 4.3 mg/kg Cobalt 8.55 mg/kg Nickel (Soluble Salts) 20.900000000000002 mg/kg Copper and compounds 21.05 mg/kg Chromium 29.7 mg/kg Lead 31.400000000000002 mg/kg Vanadium 44.800000000000004 mg/kg Zinc 74.7 mg/kg Barium 108.5 mg/kg Manganese and compounds 286.5 mg/kg Aluminum 12385.0 mg/kg Iron 16850.0 mg/kg

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Site ID: SD105

PHOTO LAB

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.1 ug/L Methylene Chloride 0.11 ug/L Benzene 0.114 ug/L Benzene, methyl- 0.138 ug/L Antimony and compounds 0.15 ug/L Cobalt 0.15 ug/L Chlorodibromomethane 0.156 ug/L Chloromethane (methyl chloride) 0.166 ug/L Molybdenum 0.21 ug/L 1,1-Dichloroethylene 0.21 ug/L Manganese and compounds 0.23 ug/L Bromodichloromethane 0.23 ug/L Carbon Dichloride 0.27 ug/L o-Xylene 0.27 ug/L Selenium 0.44 ug/L Lead 0.58 ug/L 1,4-Diethylene Dioxide 0.64 ug/L 1,2-Dichloroethane (EDC) 0.7 ug/L cis-1,2-Dichloroethylene 1.1 ug/L Copper and compounds 1.1 ug/L Arsenic 2.4 ug/L Chloroform 2.6 ug/L Nickel (Soluble Salts) 3.1 ug/L Naphthalene 3.2 ug/L Vinyl 2-Chloroethyl Ether 6.91 ug/L Carbon Tetrachloride 7.2 ug/L Aluminum 7.5 ug/L Chromium 8.3 ug/L Acetone 13.5 ug/L Zinc 14.0 ug/L Vanadium 21.0 ug/L Trichloroethylene (TCE) 32.0 ug/L Barium 130.0 ug/L Iron 1000.0 ug/L

Soil: Risk Not Evaluated

Contaminants: 1,2-Benzacenaphthene 0.0005 mg/kg Benzo(def)Phenanthrene 0.0006 mg/kg 2,3-Benzofluoranthene 0.0006 mg/kg Naphthalene 0.000742 mg/kg Chrysene 0.0008 mg/kg Fluorene 0.0013000000000000002 mg/kg Chloroform 0.00182 mg/kg Methyl Ethyl Ketone 0.004275 mg/kg Hexanone 0.004860000000000001 mg/kg Carbon Dichloride 0.01117 mg/kg Trichloroethylene (TCE) 0.0127666667 mg/kg Acetone 0.0135433333 mg/kg 2-Methylnaphthalene 0.016 mg/kg Beryllium and compounds 0.705 mg/kg Cadmium and compounds 3.882 mg/kg Arsenic 5.8 mg/kg Lead 8.6 mg/kg Cobalt 8.85 mg/kg Copper and compounds 12.1 mg/kg Nickel (Soluble Salts) 13.950000000000001 mg/kg Chromium 25.85 mg/kg Zinc 28.25 mg/kg Vanadium 52.7 mg/kg Manganese and compounds 128.5 mg/kg Barium 211.5 mg/kg Aluminum 15950.0 mg/kg Iron 19250.0 mg/kg

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Site ID: SD059

UNLINED DITCH

Storm Drain

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Silver and compounds 0.056 ug/L Lead 0.082 ug/L Antimony and compounds 0.086 ug/L Selenium 0.18 ug/L 1,4-Diethylene Dioxide 0.2 ug/L Carbon Tetrachloride 0.265 ug/L Copper and compounds 0.3 ug/L Chloroform 0.35 ug/L Molybdenum 0.38 ug/L Nickel (Soluble Salts) 0.4 ug/L cis-1,2-Dichloroethylene 0.555 ug/L Carbon Dichloride 0.715 ug/L 1,1-Dichloroethylene 0.995 ug/L Cobalt 1.3 ug/L Manganese and compounds 1.5 ug/L Arsenic 3.9 ug/L Chromium 5.0 ug/L Aluminum 5.3 ug/L Zinc 5.5 ug/L Vanadium 24.0 ug/L Iron 26.0 ug/L Trichloroethylene (TCE) 99.5 ug/L Barium 130.0 ug/L

Soil: Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 1.9e-07 mg/kg Dibenzo(b,e)(1,4)dioxin,2,3,7,8-tetrachloro- 1.1e-06 mg/kg DDT 0.00067 mg/kg DDD 0.00084 mg/kg Dieldrin 0.00092 mg/kg DDE 0.001 mg/kg Bis(2-Ethylhexyl)Phthalate 0.03 mg/kg Butyl Benzyl Phthalate 0.034 mg/kg Selenium 0.056 mg/kg Cadmium and compounds 0.085 mg/kg Antimony and compounds 0.11 mg/kg Beryllium and compounds 0.25 mg/kg Molybdenum 0.32 mg/kg Silver and compounds 0.3285 mg/kg Dibutyl Phthalate 1.6500000000000001 mg/kg Naphthalene 2.0100000000000002 mg/kg Arsenic 2.8000000000000003 mg/kg Lead 4.6000000000000005 mg/kg Cobalt 7.7 mg/kg Nickel (Soluble Salts) 16.0 mg/kg Chromium 20.0 mg/kg Copper and compounds 20.0 mg/kg Zinc 44.0 mg/kg Vanadium 52.0 mg/kg Barium 110.0 mg/kg Manganese and compounds 230.0 mg/kg Aluminum 12000.0 mg/kg Iron 21000.0 mg/kg

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Site ID: SD077

DRAINAGE DITCH/PONDS

Storm Drain

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, methyl- 0.0561 ug/L Antimony and compounds 0.13 ug/L Cobalt 0.17 ug/L Trichloroethylene (TCE) 0.28 ug/L cis-1,2-Dichloroethylene 0.44 ug/L Molybdenum 0.66 ug/L Chloroform 0.865 ug/L Cadmium and compounds 1.0 ug/L 1,2-Dichloroethane (EDC) 1.24 ug/L Methylene Chloride 1.25 ug/L Copper and compounds 1.9 ug/L 1,1-Dichloroethylene 2.0 ug/L Arsenic 2.7 ug/L Manganese and compounds 3.7 ug/L Zinc 6.5 ug/L Acetone 15.7 ug/L Chromium 19.0 ug/L Vanadium 21.0 ug/L Barium 46.0 ug/L Iron 76.0 ug/L Nickel (Soluble Salts) 160.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Bis(2-Ethylhexyl)Phthalate 0.04 mg/kg Beryllium and compounds 0.21 mg/kg Molybdenum 0.68 mg/kg Cadmium and compounds 1.6 mg/kg Arsenic 4.0 mg/kg Cobalt 5.0 mg/kg Copper and compounds 14.5 mg/kg Nickel (Soluble Salts) 15.0 mg/kg Chromium 29.8 mg/kg Vanadium 36.2 mg/kg Benzo(a)Pyrene 42.549 mg/kg Lead 68.60000000000001 mg/kg Barium 86.9 mg/kg Manganese and compounds 114.0 mg/kg Zinc 147.0 mg/kg Aluminum 8530.0 mg/kg Iron 13600.0 mg/kg

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Site ID: SD100

DEGREASER/SPRAY BOOTHS

Storm Drain

Cost

$14K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2017

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Lead 0.18 ug/L Methylene Chloride 0.192 ug/L Beryllium and compounds 0.21 ug/L Carbon Tetrachloride 0.225 ug/L 1,1-Dichloroethylene 0.24 ug/L Trichlorofluoromethane 0.25 ug/L Freon 113 0.26 ug/L Antimony and compounds 0.285 ug/L Molybdenum 0.305 ug/L Chloroform 0.36 ug/L Chloromethane (methyl chloride) 0.36 ug/L Cadmium and compounds 0.53 ug/L Bromoform 0.54 ug/L Cobalt 0.55 ug/L Silver and compounds 0.68 ug/L Selenium 0.74 ug/L Manganese and compounds 2.5 ug/L cis-1,2-Dichloroethylene 2.6 ug/L Arsenic 2.8 ug/L 1,2-Dichloroethane (EDC) 3.43 ug/L Carbon Dichloride 5.4 ug/L Acetone 6.0 ug/L Zinc 11.0 ug/L Copper and compounds 12.12 ug/L Trichloroethylene (TCE) 14.0 ug/L Aluminum 14.5 ug/L Chromium 16.0 ug/L Vanadium 24.0 ug/L Nickel (Soluble Salts) 30.5 ug/L Iron 33.5 ug/L Barium 115.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Naphthalene 0.0007 mg/kg Benzene 0.0008 mg/kg Hexachlorobutadiene 0.001 mg/kg n-Butylbenzene 0.0015 mg/kg cis-1,2-Dichloroethylene 0.0023 mg/kg Trichlorofluoromethane 0.0036000000000000003 mg/kg Dichlorodifluoromethane 0.0058 mg/kg Methylene Chloride 0.0067 mg/kg Carbon Dichloride 0.008 mg/kg Trichloroethylene (TCE) 0.0095 mg/kg Benzene, methyl- 0.017 mg/kg Acetone 0.05385 mg/kg Benz(a)Anthracene 0.1215 mg/kg Dibutyl Phthalate 0.125 mg/kg Bis(2-Ethylhexyl)Phthalate 0.18 mg/kg Chrysene 0.19 mg/kg 1,2-Benzacenaphthene 0.24 mg/kg Dinitotoluene 0.28 mg/kg Benzene, p-dichloro- 0.33 mg/kg Benzene, 1,2,4-trichloro- 0.34 mg/kg Beryllium and compounds 0.34 mg/kg Acenaphthene 0.36 mg/kg 2-Chlorophenol 0.37 mg/kg Silver and compounds 0.38 mg/kg Benzo(def)Phenanthrene 0.39 mg/kg Benzo(a)Pyrene 0.39 mg/kg Benzenol 0.47000000000000003 mg/kg Diethyl Phthalate 0.487 mg/kg Cadmium and compounds 0.81 mg/kg Molybdenum 0.9935 mg/kg Fluoride 2.3000000000000003 mg/kg Selenium 4.4 mg/kg Lead 6.1000000000000005 mg/kg Arsenic 6.7333333333 mg/kg Cobalt 9.6266666667 mg/kg Nickel (Soluble Salts) 21.595 mg/kg Copper and compounds 21.851666667000003 mg/kg Chromium 22.395 mg/kg Vanadium 39.75 mg/kg Zinc 45.666666667 mg/kg Barium 127.5 mg/kg Manganese and compounds 309.0 mg/kg Aluminum 13616.666667 mg/kg Iron 17516.666667 mg/kg

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Site ID: SD085

OPEN DRAINAGE DITCH

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2015

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Lead 0.13 ug/L 1,2-Dichloroethane (EDC) 0.2 ug/L Antimony and compounds 0.21 ug/L 1,2-trans-dichloroethylene 0.31 ug/L 1,1-Dichloroethylene 0.32 ug/L Cobalt 0.35 ug/L Selenium 0.42 ug/L Molybdenum 0.44 ug/L Methylene Chloride 0.53 ug/L 1,1-Dichloroethane 0.74 ug/L Copper and compounds 0.81 ug/L Chloroform 0.95 ug/L 1,4-Diethylene Dioxide 0.99 ug/L Arsenic 2.9 ug/L 1,2-Dichloroethene 4.5 ug/L Manganese and compounds 5.5 ug/L Zinc 8.3 ug/L cis-1,2-Dichloroethylene 11.0 ug/L Chromium 17.0 ug/L Trichloroethylene (TCE) 19.0 ug/L Vanadium 20.0 ug/L Aluminum 21.0 ug/L Nickel (Soluble Salts) 61.0 ug/L Barium 61.0 ug/L Iron 180.0 ug/L

Soil: Risk Not Evaluated

Contaminants: 2,3-Benzofluoranthene 0.06 mg/kg Chrysene 0.066 mg/kg Benzo(def)Phenanthrene 0.081 mg/kg 1,2-Benzacenaphthene 0.11 mg/kg Diethyl Phthalate 0.1805 mg/kg Bis(2-Ethylhexyl)Phthalate 0.335 mg/kg Beryllium and compounds 0.35000000000000003 mg/kg Butyl Benzyl Phthalate 0.39 mg/kg Cyanide (free) 0.68 mg/kg Molybdenum 2.1 mg/kg Naphthalene 2.44 mg/kg Trichloroethylene (TCE) 2.757375 mg/kg Carbon Dichloride 4.10125 mg/kg Silver and compounds 4.7 mg/kg Arsenic 5.6000000000000005 mg/kg Cobalt 12.0 mg/kg Cadmium and compounds 22.415 mg/kg Copper and compounds 46.0 mg/kg Vanadium 61.5 mg/kg Lead 74.35000000000001 mg/kg Nickel (Soluble Salts) 79.5 mg/kg Zinc 128.5 mg/kg Chromium 135.0 mg/kg Boron 195.33333333 mg/kg Barium 210.0 mg/kg Manganese and compounds 470.0 mg/kg Aluminum 18000.0 mg/kg Iron 22000.0 mg/kg

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Site ID: SD103

REPAIR SHOP/CLEAN SHOP

Storm Drain

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.022 ug/L Beryllium and compounds 0.03 ug/L Cobalt 0.058 ug/L Silver and compounds 0.14 ug/L Carbon Tetrachloride 0.17 ug/L Freon 113 0.2 ug/L Antimony and compounds 0.29 ug/L Copper and compounds 0.32 ug/L Lead 0.35 ug/L Trichlorofluoromethane 0.35 ug/L Manganese and compounds 0.45 ug/L Molybdenum 0.5 ug/L Methylene Chloride 0.58 ug/L Nickel (Soluble Salts) 0.64 ug/L Trichloroethylene (TCE) 0.64 ug/L Chloroform 0.67 ug/L Acetone 1.3 ug/L Selenium 1.4 ug/L Carbon Dichloride 1.6 ug/L 1,1-Dichloroethylene 2.7 ug/L Arsenic 3.7 ug/L Zinc 9.9 ug/L Aluminum 13.0 ug/L Chromium 13.0 ug/L Vanadium 27.0 ug/L Barium 62.0 ug/L Iron 96.0 ug/L

Soil: Risk Not Evaluated

Contaminants: 8,9-Benzofluoranthene 0.113 mg/kg Anthracene 0.125 mg/kg Indeno(1,2,3-cd)Pyrene 0.128 mg/kg Chrysene 0.22 mg/kg Benzo(a)Pyrene 0.232 mg/kg Benz(a)Anthracene 0.242 mg/kg 2,3-Benzofluoranthene 0.266 mg/kg Cadmium and compounds 0.33 mg/kg Beryllium and compounds 0.3875 mg/kg Benzo(def)Phenanthrene 0.518 mg/kg Bis(2-Ethylhexyl)Phthalate 0.546 mg/kg 1,2-Benzacenaphthene 0.725 mg/kg Dibutyl Phthalate 1.0170000000000001 mg/kg Molybdenum 1.8900000000000001 mg/kg Arsenic 8.215 mg/kg Cobalt 9.365 mg/kg Lead 17.7 mg/kg Nickel (Soluble Salts) 20.85 mg/kg Chromium 21.775000000000002 mg/kg Copper and compounds 25.400000000000002 mg/kg Vanadium 48.125 mg/kg Zinc 52.85 mg/kg Barium 167.5 mg/kg Manganese and compounds 322.75 mg/kg Aluminum 17777.5 mg/kg Iron 20675.0 mg/kg

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Site ID: WP040

INDUS. WASTEWATER SLUDGE

Disposal Pit and Dry Well

Cost

$242K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

This site is under ongoing monitoring until Dec 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, methyl- 0.77 ug/L Benzene 1.2 ug/L Beryllium and compounds 2.2 ug/L Bis(2-Ethylhexyl)Phthalate 11.0 ug/L Trichloroethylene (TCE) 21.0 ug/L Vanadium 44.0 ug/L Copper and compounds 57.0 ug/L Naphthalene 98.0 ug/L Zinc 100.0 ug/L Cobalt 110.0 ug/L Nickel (Soluble Salts) 170.0 ug/L 1,2-Dichloroethane (EDC) 280.0 ug/L Barium 900.0 ug/L Manganese and compounds 3100.0 ug/L Iron 8800.0 ug/L Aluminum 14000.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Naphthalene 0.01 mg/kg Aroclor 1254 0.015 mg/kg Fluorene 0.027 mg/kg Anthracene 0.061 mg/kg Acenaphthene 0.0648333333 mg/kg Dibenz[ah]anthracene 0.091 mg/kg Indeno(1,2,3-cd)Pyrene 0.24 mg/kg 8,9-Benzofluoranthene 0.3183333333 mg/kg Beryllium and compounds 0.3675 mg/kg Benz(a)Anthracene 0.5650000000000001 mg/kg Chrysene 0.6416666666999999 mg/kg Benzo(def)Phenanthrene 0.6906666667 mg/kg 1,2-Benzacenaphthene 0.7956666667 mg/kg 2,3-Benzofluoranthene 0.853 mg/kg Molybdenum 0.91 mg/kg Benzo(a)Pyrene 0.965 mg/kg Cadmium and compounds 3.72 mg/kg Lead 5.9750000000000005 mg/kg Cobalt 7.865 mg/kg Arsenic 8.4575 mg/kg Nickel (Soluble Salts) 21.95 mg/kg Copper and compounds 27.5 mg/kg Vanadium 42.525 mg/kg Chromium 51.9 mg/kg Zinc 65.275 mg/kg Barium 145.475 mg/kg Manganese and compounds 237.5 mg/kg Aluminum 17025.0 mg/kg Iron 17950.0 mg/kg

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Site ID: WP079

OIL PIT

Disposal Pit and Dry Well

Cost

$7,000

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Naphthalene 11.376666667 mg/kg

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Site ID: WP062

DITCHES AND POND

Disposal Pit and Dry Well

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: cis-1,2-Dichloroethylene 0.0427 ug/L Silver and compounds 0.092 ug/L Cadmium and compounds 0.13 ug/L Beryllium and compounds 0.14 ug/L Benzene 0.141 ug/L Methylene Bromide 0.144 ug/L o-Xylene 0.179 ug/L Freon 113 0.22 ug/L Manganese and compounds 0.23 ug/L Methylene Chloride 0.247 ug/L Benzene, methyl- 0.25 ug/L Antimony and compounds 0.27 ug/L Bromomethane 0.27 ug/L Ethyl benzene 0.284 ug/L Cobalt 0.315 ug/L Trichlorofluoromethane 0.32 ug/L 1,1-Dichloroethylene 0.328 ug/L Selenium 0.42 ug/L Chlorodibromomethane 0.47 ug/L Bromodichloromethane 0.48 ug/L Molybdenum 0.49 ug/L Carbon Dichloride 0.56 ug/L Lead 0.59 ug/L Nickel (Soluble Salts) 0.975 ug/L Bromoform 1.1 ug/L Dichlorodifluoromethane 1.1 ug/L Zinc 1.7 ug/L Acetone 2.4 ug/L Arsenic 3.15 ug/L Chloroform 4.8 ug/L Aluminum 15.1 ug/L Copper and compounds 16.0 ug/L Trichloroethylene (TCE) 19.0 ug/L Benzene, chloro- 19.1 ug/L Vanadium 21.0 ug/L Chromium 32.5 ug/L Iron 54.0 ug/L Barium 65.5 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Dibutyl Phthalate 0.09 mg/kg 2,3-Benzofluoranthene 0.27 mg/kg Benzo(def)Phenanthrene 0.28 mg/kg Chrysene 0.29 mg/kg 1,2-Benzacenaphthene 0.32 mg/kg Selenium 0.33 mg/kg Beryllium and compounds 0.51 mg/kg Antimony and compounds 0.59 mg/kg Molybdenum 1.5 mg/kg Silver and compounds 1.7 mg/kg Bis(2-Ethylhexyl)Phthalate 4.5 mg/kg Benzyl Alcohol 9.5 mg/kg Arsenic 13.0 mg/kg Cadmium and compounds 13.0 mg/kg Cobalt 22.0 mg/kg Chromium 50.0 mg/kg Nickel (Soluble Salts) 57.0 mg/kg Vanadium 73.0 mg/kg Lead 510.0 mg/kg Copper and compounds 660.0 mg/kg Barium 880.0 mg/kg Zinc 5200.0 mg/kg Manganese and compounds 7200.0 mg/kg Aluminum 14000.0 mg/kg Iron 49000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 8.8e-08 mg/kg Dibenz[ah]anthracene 0.0015 mg/kg Indeno(1,2,3-cd)Pyrene 0.0048 mg/kg Benzo(a)Pyrene 0.0048 mg/kg Anthracene 0.004900000000000001 mg/kg Methylene Chloride 0.00522 mg/kg Bromodichloromethane 0.006 mg/kg tert-Butylbenzene 0.007 mg/kg Benzene 0.0075 mg/kg 8,9-Benzofluoranthene 0.0087 mg/kg Benz(a)Anthracene 0.016 mg/kg Fluorene 0.022 mg/kg 2,3-Benzofluoranthene 0.023 mg/kg Chrysene 0.023 mg/kg Diethyl Phthalate 0.032200000000000006 mg/kg Naphthalene 0.046 mg/kg Benzo(def)Phenanthrene 0.051000000000000004 mg/kg 1,1,1-Trichloroethane 0.0518 mg/kg 1,2-Benzacenaphthene 0.058 mg/kg Cumene 0.059500000000000004 mg/kg Selenium 0.062 mg/kg Acenaphthene 0.0636 mg/kg sec-Butylbenzene 0.066 mg/kg n-Butylbenzene 0.0665 mg/kg Acetone 0.068705 mg/kg Cadmium and compounds 0.074 mg/kg 1-Phenylpropane 0.097 mg/kg Antimony and compounds 0.11 mg/kg Ethyl benzene 0.1115 mg/kg 1,3,5-Trimethylbenzene 0.176 mg/kg Beryllium and compounds 0.24 mg/kg Molybdenum 0.31 mg/kg Trichloroethylene (TCE) 0.384 mg/kg Butyl Benzyl Phthalate 0.39 mg/kg 1,2,4-Trimethylbenzene 0.738 mg/kg Silver and compounds 0.79 mg/kg Benzene, methyl- 0.88 mg/kg 2-Methylnaphthalene 1.076 mg/kg o-Xylene 2.06 mg/kg Bis(2-Ethylhexyl)Phthalate 2.25 mg/kg Arsenic 2.9 mg/kg Dibutyl Phthalate 3.4 mg/kg Lead 4.8 mg/kg Benzidine 5.5 mg/kg Cobalt 16.0 mg/kg Copper and compounds 20.0 mg/kg Zinc 35.0 mg/kg Nickel (Soluble Salts) 36.0 mg/kg Chromium 37.0 mg/kg Vanadium 43.0 mg/kg Barium 86.0 mg/kg Manganese and compounds 200.0 mg/kg Aluminum 10000.0 mg/kg Iron 17000.0 mg/kg

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Site ID: SD102

REPAIR SHOP/SPRAY BOOTHS

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, methyl- 0.124 ug/L Silver and compounds 0.14 ug/L Antimony and compounds 0.14 ug/L 1,2-Dichlorobenzene 0.163 ug/L Manganese and compounds 0.17 ug/L Beryllium and compounds 0.2 ug/L Bromodichloromethane 0.2 ug/L Molybdenum 0.22 ug/L 1,1-Dichloroethane 0.22 ug/L Carbon Tetrachloride 0.24 ug/L o-Xylene 0.28 ug/L Bromoform 0.294 ug/L Selenium 0.3 ug/L 1,1,2-Trichloroethane 0.31 ug/L Freon 113 0.36 ug/L 1,2,3-Trichloropropane 0.4 ug/L Chlorodibromomethane 0.41 ug/L Trichlorofluoromethane 0.41 ug/L Lead 0.47 ug/L Carbon Dichloride 0.5 ug/L Nickel (Soluble Salts) 0.5 ug/L Chloroform 0.51 ug/L Cadmium and compounds 0.58 ug/L Dichloropropane 0.59 ug/L 1,2-trans-dichloroethylene 0.67 ug/L Benzene 0.703 ug/L Cobalt 0.74 ug/L Copper and compounds 0.79 ug/L Ethyl benzene 0.866 ug/L 1,2-Dichloroethane (EDC) 1.0 ug/L Chloromethane (methyl chloride) 1.0 ug/L Benzene, p-dichloro- 1.73 ug/L Methylene Chloride 2.95 ug/L Acetone 3.1 ug/L Arsenic 3.1 ug/L Zinc 3.4 ug/L Aluminum 3.8 ug/L Trichloroethylene (TCE) 4.3 ug/L 1,1-Dichloroethylene 4.7 ug/L 1,4-Diethylene Dioxide 6.07 ug/L Chromium 13.0 ug/L Vanadium 23.0 ug/L Iron 26.0 ug/L Barium 52.0 ug/L cis-1,2-Dichloroethylene 61.5 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Heptachlor 0.0015 mg/kg DDT 0.0033 mg/kg 1,2-Benzacenaphthene 0.1 mg/kg Beryllium and compounds 0.11 mg/kg Benzo(def)Phenanthrene 0.13 mg/kg Selenium 0.27 mg/kg Bis(2-Ethylhexyl)Phthalate 1.5 mg/kg Antimony and compounds 3.2 mg/kg Arsenic 3.9 mg/kg Molybdenum 7.5 mg/kg Cobalt 8.0 mg/kg Cadmium and compounds 16.0 mg/kg Vanadium 26.0 mg/kg Silver and compounds 54.0 mg/kg Chromium 200.0 mg/kg Manganese and compounds 270.0 mg/kg Nickel (Soluble Salts) 310.0 mg/kg Zinc 490.0 mg/kg Copper and compounds 500.0 mg/kg Lead 620.0 mg/kg Barium 2200.0 mg/kg Aluminum 3400.0 mg/kg Iron 49000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Chloroform 0.00071 mg/kg Acetone 0.0047 mg/kg Methylene Chloride 0.0070999999999999995 mg/kg 1,2-trans-dichloroethylene 0.0076 mg/kg Trichlorofluoromethane 0.0087 mg/kg Benzo(a)Pyrene 0.009800000000000001 mg/kg Freon 113 0.023 mg/kg Butyl Benzyl Phthalate 0.048 mg/kg 1,1,2-Trichloroethane 0.051000000000000004 mg/kg 1,2-Dichloroethane (EDC) 0.0565 mg/kg cis-1,2-Dichloroethylene 0.078 mg/kg 1,1-Dichloroethane 0.1416666667 mg/kg Dibutyl Phthalate 0.153 mg/kg Trichloroethylene (TCE) 0.37075 mg/kg Cadmium and compounds 0.47500000000000003 mg/kg Naphthalene 0.5 mg/kg Bis(2-Ethylhexyl)Phthalate 0.59 mg/kg Beryllium and compounds 0.765 mg/kg Molybdenum 0.92 mg/kg 1,1-Dichloroethylene 1.0533333333000001 mg/kg 1,1,1-Trichloroethane 1.3501428571 mg/kg Arsenic 3.6 mg/kg Lead 6.95 mg/kg Methyl Ethyl Ketone 7.5 mg/kg Cobalt 9.15 mg/kg Selenium 13.5 mg/kg Nickel (Soluble Salts) 21.7 mg/kg Chromium 22.650000000000002 mg/kg Copper and compounds 27.45 mg/kg Zinc 48.95 mg/kg Vanadium 51.15 mg/kg Barium 238.0 mg/kg Manganese and compounds 342.5 mg/kg Aluminum 16650.0 mg/kg Iron 24400.0 mg/kg

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Site ID: WP051

SETTLING POND

Disposal Pit and Dry Well

Cost

$15K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Silver and compounds 0.034 ug/L Lead 0.0655 ug/L Ethyl benzene 0.0752 ug/L Selenium 0.13 ug/L Benzene, methyl- 0.158 ug/L 1,2,3-Trichloropropane 0.1585 ug/L Benzene, chloro- 0.162 ug/L Cadmium and compounds 0.18 ug/L Beryllium and compounds 0.2 ug/L Benzene, p-dichloro- 0.222 ug/L Carbon Tetrachloride 0.2233333 ug/L 1,3-Dichlorobenzene 0.231 ug/L 1,1-Dichloroethane 0.27 ug/L Copper and compounds 0.33 ug/L Molybdenum 0.38 ug/L Antimony and compounds 0.39 ug/L Dichlorodifluoromethane 0.43 ug/L 1,2-Dichlorobenzene 0.563 ug/L Benzene 0.603 ug/L 1,1,2,2-Tetrachloroethane 0.60525 ug/L 1,4-Diethylene Dioxide 0.61 ug/L Trichlorofluoromethane 0.7436667 ug/L cis-1,2-Dichloroethylene 0.81 ug/L Manganese and compounds 0.95 ug/L Chlorodibromomethane 1.2 ug/L Nickel (Soluble Salts) 1.2 ug/L Chloromethane (methyl chloride) 1.22 ug/L 1,1,2-Trichloroethane 1.23 ug/L 1,2-trans-dichloroethylene 1.35 ug/L Vinyl 2-Chloroethyl Ether 1.37 ug/L Carbon Dichloride 1.85 ug/L Vinyl Chloride 2.39 ug/L Chloroform 2.56 ug/L Arsenic 3.3 ug/L Zinc 4.5 ug/L Methylene Chloride 5.1025 ug/L Trichloroethylene (TCE) 5.7 ug/L Methylene Bromide 6.62 ug/L 1,1,1,2-Tetrachloroethane 7.04 ug/L Cobalt 7.9 ug/L Chromium 8.7 ug/L Bromodichloromethane 8.9 ug/L 1,2-Dichloroethane (EDC) 10.3475 ug/L Aluminum 16.0 ug/L 1,1,1-Trichloroethane 16.1 ug/L Vanadium 21.0 ug/L Iron 38.85 ug/L 1,2-Dichloroethene 64.0 ug/L Methyl Ethyl Ketone 93.0 ug/L Acetone 140.0 ug/L Barium 210.0 ug/L 1,1-Dichloroethylene 363.75 ug/L

Soil: Risk Not Evaluated

Contaminants: DDE 0.0006 mg/kg Anthracene 0.0011 mg/kg Dibenz[ah]anthracene 0.0044 mg/kg Benz(a)Anthracene 0.0056 mg/kg Indeno(1,2,3-cd)Pyrene 0.0079 mg/kg 8,9-Benzofluoranthene 0.008199999999999999 mg/kg Benzo(a)Pyrene 0.008400000000000001 mg/kg 1,2-Benzacenaphthene 0.011 mg/kg Benzo(def)Phenanthrene 0.016 mg/kg Chrysene 0.018000000000000002 mg/kg 2,3-Benzofluoranthene 0.023 mg/kg Dieldrin 0.029 mg/kg DDT 0.038 mg/kg Selenium 0.0685 mg/kg Biphenyl, polychloro- 0.078 mg/kg Bis(2-Ethylhexyl)Phthalate 0.15 mg/kg Antimony and compounds 0.2366666667 mg/kg Molybdenum 0.28700000000000003 mg/kg Beryllium and compounds 0.34500000000000003 mg/kg Butyl Benzyl Phthalate 0.97 mg/kg Dibutyl Phthalate 2.1 mg/kg Silver and compounds 2.398 mg/kg Cadmium and compounds 2.46 mg/kg Arsenic 2.7 mg/kg Naphthalene 3.39 mg/kg Cobalt 8.2666666667 mg/kg Copper and compounds 20.0 mg/kg Nickel (Soluble Salts) 22.0 mg/kg Lead 29.7 mg/kg Vanadium 49.5 mg/kg Chromium 51.0 mg/kg Zinc 53.5 mg/kg Barium 171.66666667 mg/kg Manganese and compounds 220.0 mg/kg Aluminum 10233.333333 mg/kg Iron 17666.666667 mg/kg

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Site ID: WP068

GROUNDWATER TREAT. PLANT

Disposal Pit and Dry Well

Cost

$53.6M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Apr 2009

This site is under ongoing monitoring until Sep 2049

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Mercury (Methyl) 4.5e-05 ug/L Aldrin 0.01 ug/L Benzene, p-dichloro- 0.04 ug/L Benzene 0.04 ug/L 1,3-Dichlorobenzene 0.06 ug/L Carbon Disulfide 0.09 ug/L Ethyl benzene 0.1 ug/L Vinyl Chloride 0.1 ug/L Dichlorodifluoromethane 0.1 ug/L 1,2-Dichlorobenzene 0.1 ug/L 1,1,2-Trichloroethane 0.15 ug/L 1,2-trans-dichloroethylene 0.19 ug/L o-Xylene 0.2 ug/L cis-1,2-Dichloroethylene 0.23 ug/L Antimony and compounds 0.29 ug/L Cadmium and compounds 0.29 ug/L 1,2-Dichloroethane (EDC) 0.3 ug/L Hexanone 0.3 ug/L Benzene, 1,2,4-trichloro- 0.3 ug/L Chloromethane (methyl chloride) 0.3 ug/L Chloroethane 0.3 ug/L Trichlorofluoromethane 0.3 ug/L Cobalt 0.33 ug/L Selenium 0.36 ug/L Benzene, methyl- 0.4 ug/L Bromomethane 0.4 ug/L Methyl Ethyl Ketone 0.4 ug/L Chloroform 0.48 ug/L Acetone 0.5 ug/L Beryllium and compounds 0.595 ug/L Carbon Tetrachloride 0.83 ug/L 1,1-Dichloroethane 0.9 ug/L Lead 0.98 ug/L Carbon Dichloride 1.0 ug/L Freon 113 1.0 ug/L Methylene Chloride 1.1 ug/L Silver and compounds 1.2 ug/L 2-Hexanone 1.4 ug/L Bromoform 1.4 ug/L Arsenic 2.1 ug/L Trichloroethylene (TCE) 2.5 ug/L Nickel (Soluble Salts) 2.9 ug/L 1,4-Diethylene Dioxide 3.5 ug/L Molybdenum 3.5 ug/L Manganese and compounds 4.0 ug/L 1,2-Dichloroethene 4.2 ug/L Chlorodibromomethane 4.6 ug/L 1,1-Dichloroethylene 5.2 ug/L Chromium 6.3 ug/L Bromodichloromethane 8.5 ug/L Vanadium 9.9 ug/L Iron 12.0 ug/L Copper and compounds 13.0 ug/L Barium 15.0 ug/L Aluminum 18.0 ug/L Cyanide (free) 30.0 ug/L Bromobenzene 32.7 ug/L Fluoride 130.0 ug/L Zinc 380.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.38 mg/kg Dibutyl Phthalate 0.675 mg/kg Cadmium and compounds 0.68 mg/kg Arsenic 1.5 mg/kg Naphthalene 2.545 mg/kg Lead 13.0 mg/kg Cobalt 15.55 mg/kg Nickel (Soluble Salts) 16.35 mg/kg Chromium 20.0 mg/kg Copper and compounds 21.95 mg/kg Zinc 51.5 mg/kg Vanadium 54.5 mg/kg Barium 115.5 mg/kg Manganese and compounds 270.0 mg/kg Aluminum 11850.0 mg/kg Iron 23500.0 mg/kg

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Site ID: WP080

SUMP

Disposal Pit and Dry Well

Cost

$15K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.4433333333 mg/kg Lead 10.38 mg/kg Naphthalene 10.41 mg/kg Cobalt 17.6 mg/kg Nickel (Soluble Salts) 22.666666667 mg/kg Copper and compounds 25.666666667 mg/kg Chromium 26.666666667 mg/kg Zinc 52.0 mg/kg Vanadium 67.666666667 mg/kg Barium 196.66666667 mg/kg Manganese and compounds 693.3333333300001 mg/kg Aluminum 20000.0 mg/kg Iron 28333.333333000002 mg/kg

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Site ID: WP084

ACID AND CYANIDE PIT

Disposal Pit and Dry Well

Cost

$14K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Manganese and compounds 0.17 ug/L Antimony and compounds 0.17 ug/L Nickel (Soluble Salts) 0.23 ug/L Molybdenum 0.26 ug/L Lead 0.3 ug/L Chloroform 0.37 ug/L Chloromethane (methyl chloride) 0.53 ug/L Copper and compounds 0.54 ug/L Trichloroethylene (TCE) 0.85 ug/L Acetone 1.0 ug/L Selenium 1.1 ug/L Aluminum 1.9 ug/L Carbon Tetrachloride 2.1 ug/L Zinc 3.5 ug/L Arsenic 4.1 ug/L Chromium 13.0 ug/L Vanadium 27.0 ug/L Iron 38.0 ug/L Barium 52.0 ug/L

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Site ID: WP091

IWTP #1

Waste Treatment Plant

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cobalt 0.069 ug/L n-Butylbenzene 0.0882 ug/L Benzene 0.0918 ug/L Antimony and compounds 0.093 ug/L Methylene Chloride 0.1 ug/L 1,1,2-Trichloroethane 0.134 ug/L Benzene, p-dichloro- 0.155 ug/L 1,2-Dichloroethane (EDC) 0.21 ug/L 1,2-Dichlorobenzene 0.23 ug/L Benzene, 1,2,4-trichloro- 0.273 ug/L Carbon Tetrachloride 0.29 ug/L Vinyl Chloride 0.309 ug/L Carbon Dichloride 0.34 ug/L Hexachlorobutadiene 0.346 ug/L Bromoform 0.408 ug/L 1,1-Dichloroethylene 0.45 ug/L Naphthalene 0.456 ug/L Chloroform 0.51 ug/L cis-1,2-Dichloroethylene 0.53 ug/L 1,4-Diethylene Dioxide 0.86 ug/L 1,2-trans-dichloroethylene 0.9875 ug/L Copper and compounds 1.3 ug/L 1,1-Dichloroethane 1.3 ug/L Nickel (Soluble Salts) 1.4 ug/L Acetone 2.1 ug/L Trichloroethylene (TCE) 2.1 ug/L Lead 2.3 ug/L Selenium 2.7 ug/L Aluminum 3.4 ug/L Manganese and compounds 3.9 ug/L Arsenic 4.3 ug/L Chromium 6.0 ug/L Vanadium 24.0 ug/L Zinc 26.0 ug/L Barium 130.0 ug/L Iron 500.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: DDT 0.00085 mg/kg Dieldrin 0.0013000000000000002 mg/kg DDD 0.0024 mg/kg DDE 0.0035 mg/kg Anthracene 0.026000000000000002 mg/kg Acenaphthene 0.029 mg/kg Dibenz[ah]anthracene 0.032 mg/kg Bis(2-Ethylhexyl)Phthalate 0.058 mg/kg Silver and compounds 0.058 mg/kg Selenium 0.099 mg/kg Indeno(1,2,3-cd)Pyrene 0.12 mg/kg Beryllium and compounds 0.13 mg/kg 8,9-Benzofluoranthene 0.15 mg/kg Benz(a)Anthracene 0.22 mg/kg 1,2-Benzacenaphthene 0.26 mg/kg Chrysene 0.26 mg/kg Benzo(a)Pyrene 0.3 mg/kg Benzo(def)Phenanthrene 0.33 mg/kg 2,3-Benzofluoranthene 0.37 mg/kg Cadmium and compounds 0.45 mg/kg Antimony and compounds 0.6900000000000001 mg/kg Arsenic 1.3 mg/kg Cobalt 3.3000000000000003 mg/kg Copper and compounds 5.9 mg/kg Nickel (Soluble Salts) 9.3 mg/kg Chromium 14.0 mg/kg Vanadium 25.0 mg/kg Barium 39.0 mg/kg Lead 66.0 mg/kg Manganese and compounds 80.0 mg/kg Zinc 87.0 mg/kg Aluminum 3400.0 mg/kg Iron 9100.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Freon 113 0.011 mg/kg Fluorene 0.0202 mg/kg Ethyl benzene 0.08040000000000001 mg/kg Bis(2-Ethylhexyl)Phthalate 0.147 mg/kg Beryllium and compounds 0.17 mg/kg Indeno(1,2,3-cd)Pyrene 0.201125 mg/kg Anthracene 0.2681 mg/kg Cadmium and compounds 0.36 mg/kg 8,9-Benzofluoranthene 0.587875 mg/kg o-Xylene 1.11 mg/kg Benz(a)Anthracene 1.18925 mg/kg 2,3-Benzofluoranthene 1.373 mg/kg Chrysene 1.5765 mg/kg Benzo(a)Pyrene 1.8022500000000001 mg/kg 1,2-Benzacenaphthene 1.96775 mg/kg Dibenz[ah]anthracene 2.075775 mg/kg Benzo(def)Phenanthrene 2.21525 mg/kg Arsenic 6.245 mg/kg Cobalt 7.13 mg/kg Naphthalene 8.7933333333 mg/kg Copper and compounds 11.700000000000001 mg/kg Nickel (Soluble Salts) 14.1 mg/kg Chromium 15.6 mg/kg Zinc 39.9 mg/kg Vanadium 59.800000000000004 mg/kg Bromobenzene 87.0 mg/kg Barium 98.9 mg/kg Lead 144.645 mg/kg Manganese and compounds 258.0 mg/kg Aluminum 8780.0 mg/kg Iron 21000.0 mg/kg

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Site ID: SD109

DEPAINT WASHRACK

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cobalt 0.049 ug/L Bromofume 0.05 ug/L Benzene 0.051 ug/L Bromodichloromethane 0.06 ug/L Benzene, p-dichloro- 0.0687 ug/L Benzene, methyl- 0.08 ug/L Benzene, chloro- 0.0824 ug/L Ether,tert-butyl methyl 0.09 ug/L Vinyl Chloride 0.0905 ug/L Manganese and compounds 0.14 ug/L 1,2-Dichloroethane (EDC) 0.2 ug/L Trichloroethylene (TCE) 0.2 ug/L Molybdenum 0.22 ug/L Antimony and compounds 0.24 ug/L 1,1,2-Trichloroethane 0.26 ug/L Lead 0.29 ug/L Beryllium and compounds 0.3 ug/L Cadmium and compounds 0.3 ug/L Copper and compounds 0.3 ug/L Carbon Dichloride 0.31 ug/L Methylene Chloride 0.36 ug/L Freon 113 0.37 ug/L 1,2-Dichlorobenzene 0.41 ug/L Nickel (Soluble Salts) 0.62 ug/L Selenium 0.7 ug/L Chloromethane (methyl chloride) 0.84 ug/L 1,4-Diethylene Dioxide 0.86 ug/L 1,1-Dichloroethylene 0.89 ug/L Chlorodibromomethane 0.935 ug/L Aluminum 1.4 ug/L 1,1-Dichloroethane 1.6 ug/L Bromoform 1.66 ug/L 1,2-trans-dichloroethylene 1.7 ug/L Chloroform 2.35 ug/L cis-1,2-Dichloroethylene 3.15 ug/L Arsenic 3.2 ug/L Zinc 6.6 ug/L Carbon Tetrachloride 9.9 ug/L Chromium 13.0 ug/L Acetone 14.75 ug/L Vanadium 25.0 ug/L Iron 35.0 ug/L Barium 52.0 ug/L

Soil: Risk Not Evaluated

Contaminants: sec-Butylbenzene 0.0014 mg/kg n-Butylbenzene 0.0018666667 mg/kg Acenaphthene 0.002 mg/kg Cumene 0.0022 mg/kg Benzene, methyl- 0.0023 mg/kg Indeno(1,2,3-cd)Pyrene 0.0027 mg/kg Benzene 0.0028 mg/kg 1,1-Dichloroethane 0.003 mg/kg Benzo(a)Pyrene 0.0040999999999999995 mg/kg Trichloroethylene (TCE) 0.005900000000000001 mg/kg 1-Phenylpropane 0.0060999999999999995 mg/kg Fluorene 0.007200000000000001 mg/kg 1,3,5-Trimethylbenzene 0.00905 mg/kg Carbon Dichloride 0.012199999999999999 mg/kg Ethyl benzene 0.0141 mg/kg 1,1,1-Trichloroethane 0.016 mg/kg Naphthalene 0.0185333333 mg/kg Acetone 0.02 mg/kg o-Xylene 0.02025 mg/kg cis-1,2-Dichloroethylene 0.0214 mg/kg Benzo(def)Phenanthrene 0.024 mg/kg 1,2-Benzacenaphthene 0.024 mg/kg Methylene Chloride 0.0313 mg/kg 1,2,4-Trimethylbenzene 0.0348333333 mg/kg 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 0.0688 mg/kg 2,3-Benzofluoranthene 0.0893 mg/kg Diethyl Phthalate 0.1756666667 mg/kg Silver and compounds 0.18 mg/kg Bis(2-Ethylhexyl)Phthalate 0.22 mg/kg Selenium 0.28 mg/kg Beryllium and compounds 0.31 mg/kg Molybdenum 0.48 mg/kg Antimony and compounds 0.72 mg/kg Benzenol 0.866 mg/kg Cadmium and compounds 1.0 mg/kg Arsenic 2.9 mg/kg Cobalt 8.700000000000001 mg/kg Nickel (Soluble Salts) 21.0 mg/kg Copper and compounds 21.0 mg/kg Vanadium 47.0 mg/kg Chromium 53.0 mg/kg Lead 68.0 mg/kg Barium 84.0 mg/kg Zinc 140.0 mg/kg Manganese and compounds 290.0 mg/kg Aluminum 9500.0 mg/kg Iron 18000.0 mg/kg

Surface Water (Human): Risk Not Evaluated

Contaminants: Benzene, methyl- 0.44 ug/L Benzene 3.9 ug/L Barium 13.0 ug/L Manganese and compounds 18.0 ug/L Acetone 23.0 ug/L Methylene Chloride 62.0 ug/L Zinc 64.0 ug/L Iron 130.0 ug/L Chromium 190.0 ug/L Naphthalene 382.0 ug/L Benzenol 4300.0 ug/L

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Site ID: SD110

TRANSFORMER SHOP

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: 8,9-Benzofluoranthene 0.0011 mg/kg Indeno(1,2,3-cd)Pyrene 0.0012 mg/kg Benz(a)Anthracene 0.0026000000000000003 mg/kg Benzo(a)Pyrene 0.0027 mg/kg 2,3-Benzofluoranthene 0.003 mg/kg Chrysene 0.0038 mg/kg Benzo(def)Phenanthrene 0.004900000000000001 mg/kg 1,2-Benzacenaphthene 0.0050999999999999995 mg/kg Acetone 0.00675 mg/kg Benzene, methyl- 0.0315 mg/kg Aroclor 1254 0.044 mg/kg o-Xylene 0.065 mg/kg Ethyl benzene 0.095 mg/kg Freon 113 0.14 mg/kg Carbon Dichloride 0.19 mg/kg Beryllium and compounds 0.24 mg/kg 1,1,1-Trichloroethane 0.29 mg/kg Molybdenum 0.71 mg/kg Arsenic 2.73 mg/kg Cadmium and compounds 2.8000000000000003 mg/kg 2-Methylnaphthalene 2.9 mg/kg Bis(2-Ethylhexyl)Phthalate 4.05 mg/kg Cobalt 7.42 mg/kg Naphthalene 11.375 mg/kg Nickel (Soluble Salts) 15.8 mg/kg Copper and compounds 18.3 mg/kg Chromium 21.0 mg/kg Vanadium 34.6 mg/kg Lead 48.0 mg/kg Barium 67.7 mg/kg Zinc 77.3 mg/kg Bromobenzene 88.0 mg/kg Manganese and compounds 225.0 mg/kg Aluminum 11000.0 mg/kg Iron 13300.0 mg/kg

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Site ID: SD111

MAINSHOP/SPRAY BOOTH

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,4-Diethylene Dioxide 0.03 ug/L Silver and compounds 0.034 ug/L Lead 0.087 ug/L Cobalt 0.11 ug/L Selenium 0.15 ug/L Beryllium and compounds 0.18 ug/L Molybdenum 0.19 ug/L Copper and compounds 0.22 ug/L 1,1-Dichloroethane 0.28 ug/L Antimony and compounds 0.32 ug/L 1,2-Dichloroethane (EDC) 0.42 ug/L Chloromethane (methyl chloride) 0.42 ug/L Bromofume 0.7 ug/L o-Xylene 0.7 ug/L 1,2-Dichlorobenzene 0.7 ug/L Carbon Dichloride 0.86 ug/L Nickel (Soluble Salts) 1.3 ug/L Manganese and compounds 1.4 ug/L Ethyl benzene 2.0 ug/L 1,3,5-Trimethylbenzene 2.0 ug/L Benzene, chloro- 2.0 ug/L Naphthalene 2.0 ug/L cis-1,2-Dichloroethylene 2.2 ug/L Arsenic 2.3 ug/L 1-Phenylpropane 2.7 ug/L Zinc 3.8 ug/L Cumene 4.0 ug/L Chloroform 5.1 ug/L 1,2,4-Trimethylbenzene 9.9 ug/L Aluminum 14.0 ug/L Chromium 14.0 ug/L Vanadium 21.0 ug/L Benzene 22.0 ug/L Iron 49.0 ug/L Trichloroethylene (TCE) 83.0 ug/L Barium 170.0 ug/L Benzene, methyl- 4090.4 ug/L

Soil: Risk Not Evaluated

Contaminants: 1,1,1-Trichloroethane 0.007200000000000001 mg/kg Methyl Ethyl Ketone 0.017 mg/kg Bis(2-Ethylhexyl)Phthalate 0.04 mg/kg Acetone 0.048 mg/kg Dibutyl Phthalate 0.11 mg/kg Cadmium and compounds 0.14 mg/kg 2-Methylnaphthalene 0.48 mg/kg Beryllium and compounds 0.62 mg/kg Molybdenum 1.2 mg/kg Naphthalene 3.6 mg/kg Ethyl benzene 3.7 mg/kg Cumene 5.2 mg/kg Arsenic 6.0125 mg/kg sec-Butylbenzene 6.1000000000000005 mg/kg o-Xylene 7.2 mg/kg 1-Phenylpropane 9.3 mg/kg n-Butylbenzene 9.8 mg/kg 1,3,5-Trimethylbenzene 13.0015 mg/kg Cobalt 13.475 mg/kg Copper and compounds 28.3 mg/kg Lead 28.675 mg/kg Nickel (Soluble Salts) 31.95 mg/kg Chromium 39.1 mg/kg 1,2,4-Trimethylbenzene 44.0 mg/kg Zinc 59.1 mg/kg Vanadium 59.725 mg/kg Benzo(a)Pyrene 85.0 mg/kg Barium 173.0 mg/kg Manganese and compounds 344.0 mg/kg Aluminum 28050.0 mg/kg Iron 28725.0 mg/kg

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Site ID: SD116

AIRCRAFT PAINT HANGER

Storm Drain

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, methyl- 0.2 ug/L Ethyl benzene 1.9 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: DDD 0.0017 mg/kg DDE 0.0075 mg/kg Benzene, methyl- 0.0099 mg/kg Ethyl benzene 0.011 mg/kg DDT 0.012 mg/kg Cumene 0.017 mg/kg 1-Phenylpropane 0.022 mg/kg o-Xylene 0.045 mg/kg Aldrin 0.047 mg/kg Dieldrin 0.062 mg/kg Naphthalene 0.084 mg/kg 1,3,5-Trimethylbenzene 0.096 mg/kg Methyl Ethyl Ketone 0.1 mg/kg Selenium 0.13 mg/kg 1,2,4-Trimethylbenzene 0.22 mg/kg Antimony and compounds 0.34 mg/kg Bis(2-Ethylhexyl)Phthalate 0.35000000000000003 mg/kg Acetone 0.37 mg/kg Silver and compounds 0.43 mg/kg Molybdenum 0.46 mg/kg Cadmium and compounds 0.86 mg/kg Beryllium and compounds 0.91 mg/kg Aroclor 1254 4.5 mg/kg Arsenic 7.2 mg/kg Cobalt 16.0 mg/kg Lead 26.0 mg/kg Copper and compounds 36.0 mg/kg Nickel (Soluble Salts) 40.0 mg/kg Chromium 49.0 mg/kg Butyl Benzyl Phthalate 63.0 mg/kg Zinc 81.0 mg/kg Vanadium 84.0 mg/kg Barium 270.0 mg/kg Manganese and compounds 520.0 mg/kg Aluminum 24000.0 mg/kg Iron 34000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Fluorene 0.0018000000000000002 mg/kg Chloroform 0.00185 mg/kg 1,2-Benzacenaphthene 0.0023 mg/kg Dibenz[ah]anthracene 0.0025 mg/kg Benz(a)Anthracene 0.0026000000000000003 mg/kg Benzo(a)Pyrene 0.0032 mg/kg Benzo(def)Phenanthrene 0.0053 mg/kg 2,3-Benzofluoranthene 0.0078 mg/kg Dichlorodifluoromethane 0.0094 mg/kg Chrysene 0.016 mg/kg Aroclor 1254 0.022 mg/kg Acetone 0.045 mg/kg Selenium 0.0485 mg/kg Antimony and compounds 0.183 mg/kg Beryllium and compounds 0.275 mg/kg Bis(2-Ethylhexyl)Phthalate 0.37 mg/kg Silver and compounds 0.41000000000000003 mg/kg Cadmium and compounds 0.56 mg/kg Molybdenum 0.805 mg/kg Arsenic 1.7 mg/kg Naphthalene 2.5533333333 mg/kg Dibutyl Phthalate 2.6 mg/kg Fluoride 3.54 mg/kg Cobalt 8.2 mg/kg Copper and compounds 10.450000000000001 mg/kg Lead 10.8 mg/kg Nickel (Soluble Salts) 11.4 mg/kg Chromium 20.0 mg/kg Zinc 22.5 mg/kg Vanadium 33.5 mg/kg Barium 76.0 mg/kg Manganese and compounds 300.0 mg/kg Aluminum 8050.0 mg/kg Iron 11700.0 mg/kg

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Site ID: WP237

OIL/WATER SEPARATOR

Disposal Pit and Dry Well

Cost

$15K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Lead 0.056 ug/L Benzene 0.0887 ug/L Cobalt 0.11 ug/L cis-1,2-Dichloroethylene 0.113 ug/L Antimony and compounds 0.13 ug/L Benzene, methyl- 0.133 ug/L Bromodichloromethane 0.19 ug/L Methylene Chloride 0.219 ug/L Chloroform 0.22 ug/L Bromoform 0.25 ug/L Trichloroethylene (TCE) 0.29 ug/L Carbon Tetrachloride 0.34 ug/L Chlorodibromomethane 0.37 ug/L Chloromethane (methyl chloride) 0.389 ug/L Cadmium and compounds 0.4 ug/L Molybdenum 0.48 ug/L Copper and compounds 0.54 ug/L Selenium 0.82 ug/L Zinc 1.3 ug/L Manganese and compounds 1.9 ug/L Acetone 4.09 ug/L Arsenic 4.2 ug/L Nickel (Soluble Salts) 11.0 ug/L Chromium 22.0 ug/L Vanadium 30.0 ug/L Barium 44.0 ug/L Aluminum 53.0 ug/L Iron 170.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Bis(2-Ethylhexyl)Phthalate 0.043000000000000003 mg/kg Silver and compounds 0.0903 mg/kg Beryllium and compounds 0.218 mg/kg Molybdenum 0.254 mg/kg Cadmium and compounds 0.432 mg/kg Arsenic 3.065 mg/kg Cobalt 6.92 mg/kg Lead 10.200000000000001 mg/kg Copper and compounds 19.7 mg/kg Nickel (Soluble Salts) 20.6 mg/kg Chromium 28.05 mg/kg Zinc 33.55 mg/kg Vanadium 45.300000000000004 mg/kg Benzo(a)Pyrene 82.5 mg/kg Barium 90.10000000000001 mg/kg Manganese and compounds 269.5 mg/kg Aluminum 9755.0 mg/kg Iron 16050.0 mg/kg

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Site ID: WP238

ENGINE TEST/UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Molybdenum 0.216 mg/kg Beryllium and compounds 0.4265 mg/kg Silver and compounds 0.506 mg/kg Cadmium and compounds 0.996 mg/kg Arsenic 2.34 mg/kg Lead 6.905 mg/kg Nickel (Soluble Salts) 17.85 mg/kg Cobalt 23.400000000000002 mg/kg Chromium 25.1 mg/kg Copper and compounds 28.400000000000002 mg/kg Zinc 38.85 mg/kg Vanadium 50.800000000000004 mg/kg Bromobenzene 90.333333333 mg/kg Barium 201.5 mg/kg Manganese and compounds 389.0 mg/kg Aluminum 13040.0 mg/kg Iron 18100.0 mg/kg

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Site ID: WP092

IWTP #3

Waste Treatment Plant

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Trichloroethylene (TCE) 0.4 ug/L 1,2-Dichlorobenzene 2.0 ug/L Acetone 79.5 ug/L

Soil: Risk Not Evaluated

Contaminants: 1,1,1-Trichloroethane 0.0074 mg/kg cis-1,2-Dichloroethylene 0.027666666700000002 mg/kg Benzene, chloro- 0.031 mg/kg 2,3-Benzofluoranthene 0.04665 mg/kg Anthracene 0.047 mg/kg 8,9-Benzofluoranthene 0.058 mg/kg Indeno(1,2,3-cd)Pyrene 0.068 mg/kg 1,2-Dichloroethane (EDC) 0.0735 mg/kg Trichloroethylene (TCE) 0.0735 mg/kg Benzo(a)Pyrene 0.078 mg/kg Benz(a)Anthracene 0.15 mg/kg Chrysene 0.18 mg/kg Diethyl Phthalate 0.20400000000000001 mg/kg Dibenz[ah]anthracene 0.20700000000000002 mg/kg Benzo(def)Phenanthrene 0.22 mg/kg Silver and compounds 0.3 mg/kg Benzenedicarboxylate 0.303 mg/kg 1,2-Benzacenaphthene 0.31 mg/kg Beryllium and compounds 0.6733333333000001 mg/kg 2-Cresol 0.8 mg/kg 2,4-Dimethylphenol 0.9135 mg/kg Bis(2-Ethylhexyl)Phthalate 1.33 mg/kg Acetone 1.4000000000000001 mg/kg Benzene, methyl- 1.5 mg/kg Nitrobenzene 1.56 mg/kg Dibutyl Phthalate 1.67425 mg/kg Cadmium and compounds 1.8900000000000001 mg/kg Ethyl benzene 2.0 mg/kg 1,3-Dichlorobenzene 2.36 mg/kg 1-Amino-4-Chlorobenzene 3.0 mg/kg 2-Methylnaphthalene 6.98 mg/kg Benzene, 1,2,4-trichloro- 8.28 mg/kg Benzene, p-dichloro- 8.371 mg/kg Lead 9.7666666667 mg/kg Cobalt 11.633333333000001 mg/kg Naphthalene 12.284 mg/kg Arsenic 13.26 mg/kg Chromium 24.633333333 mg/kg Copper and compounds 25.466666667000002 mg/kg Nickel (Soluble Salts) 26.166666667 mg/kg 1,2-Dichlorobenzene 34.07 mg/kg Zinc 43.666666667 mg/kg Vanadium 59.0 mg/kg Bromobenzene 87.5 mg/kg Barium 200.70000000000002 mg/kg Manganese and compounds 260.66666667 mg/kg Aluminum 15100.0 mg/kg Iron 23600.0 mg/kg

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Site ID: WP204

SUMP

Disposal Pit and Dry Well

Cost

$14K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Antimony and compounds 0.11 ug/L Cadmium and compounds 0.36 ug/L Selenium 0.38 ug/L Methylene Chloride 0.55 ug/L Lead 0.66 ug/L Copper and compounds 0.66 ug/L Cobalt 1.1 ug/L Molybdenum 2.2 ug/L Bis(2-Ethylhexyl)Phthalate 2.5 ug/L Chloroform 2.6 ug/L Carbon Tetrachloride 4.1 ug/L Arsenic 5.6 ug/L Zinc 6.4 ug/L Trichloroethylene (TCE) 9.8 ug/L Aluminum 12.0 ug/L Chromium 14.0 ug/L Vanadium 21.0 ug/L Barium 22.0 ug/L Manganese and compounds 28.0 ug/L Iron 310.0 ug/L Nickel (Soluble Salts) 640.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Bis(2-Ethylhexyl)Phthalate 0.026000000000000002 mg/kg Silver and compounds 0.26 mg/kg Molybdenum 0.37 mg/kg Beryllium and compounds 0.6533333333000001 mg/kg Lead 6.333333333300001 mg/kg Arsenic 6.45 mg/kg Cobalt 11.233333333000001 mg/kg Copper and compounds 20.933333333 mg/kg Nickel (Soluble Salts) 25.95 mg/kg Chromium 33.15 mg/kg Vanadium 56.266666666999996 mg/kg Zinc 65.13333333300001 mg/kg Barium 146.0 mg/kg Manganese and compounds 231.33333333 mg/kg Aluminum 13500.0 mg/kg Iron 23300.0 mg/kg

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Site ID: WP211

WASHRACK

Disposal Pit and Dry Well

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,1-Dichloroethylene 0.34 ug/L cis-1,2-Dichloroethylene 1.5 ug/L Bromodichloromethane 2.0 ug/L Acetone 2.45 ug/L Chloroform 3.6 ug/L Carbon Tetrachloride 9.9 ug/L Trichloroethylene (TCE) 89.0 ug/L

Soil: Risk Not Evaluated

Contaminants: 1,1,1-Trichloroethane 0.01 mg/kg Chrysene 0.031 mg/kg Benzo(def)Phenanthrene 0.032 mg/kg 2,3-Benzofluoranthene 0.042 mg/kg Trichloroethylene (TCE) 0.054 mg/kg Cadmium and compounds 0.06075 mg/kg Diethyl Phthalate 0.074 mg/kg Bis(2-Ethylhexyl)Phthalate 0.08 mg/kg Dibutyl Phthalate 0.1 mg/kg Beryllium and compounds 0.28400000000000003 mg/kg Silver and compounds 0.47000000000000003 mg/kg Molybdenum 1.1 mg/kg Arsenic 3.3125 mg/kg Cobalt 6.86 mg/kg Lead 6.9 mg/kg Copper and compounds 10.5 mg/kg Nickel (Soluble Salts) 12.22 mg/kg Chromium 16.36 mg/kg Zinc 26.34 mg/kg Vanadium 38.78 mg/kg Benzo(a)Pyrene 83.75 mg/kg Barium 103.72 mg/kg Manganese and compounds 382.8 mg/kg Aluminum 7818.0 mg/kg Iron 13920.0 mg/kg

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Site ID: WP217

INDUSTRIAL WASTEWATER DRAIN

Disposal Pit and Dry Well

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Benzene, chloro- 0.0075 mg/kg Carbon Dichloride 0.012 mg/kg Methylene Chloride 0.019 mg/kg Methyl Ethyl Ketone 0.021 mg/kg 1,3-Dichlorobenzene 0.022 mg/kg 1,2-Dichlorobenzene 0.027 mg/kg Trichloroethylene (TCE) 0.03 mg/kg Bis(2-Ethylhexyl)Phthalate 0.032 mg/kg Carbon Tetrachloride 0.055 mg/kg Benzene, p-dichloro- 0.092 mg/kg Chloroform 0.115 mg/kg Acetone 0.125 mg/kg Beryllium and compounds 0.36 mg/kg Silver and compounds 0.615 mg/kg Benzene, 1,2,4-trichloro- 0.71 mg/kg Cadmium and compounds 1.6 mg/kg Naphthalene 2.1933333333 mg/kg Cobalt 5.2 mg/kg Arsenic 5.4 mg/kg Copper and compounds 6.7333333333 mg/kg Nickel (Soluble Salts) 11.266666666999999 mg/kg Lead 12.1 mg/kg Zinc 13.933333333 mg/kg Chromium 24.366666667 mg/kg Vanadium 31.966666667000002 mg/kg Barium 66.1 mg/kg Benzo(a)Pyrene 99.0 mg/kg Manganese and compounds 181.0 mg/kg Aluminum 10176.666667 mg/kg Iron 10796.666667 mg/kg

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Site ID: WP224

STEAM FAC./UNDERGROUND STORAGE TANKS

Disposal Pit and Dry Well

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Chloroform 22.0 ug/L cis-1,2-Dichloroethylene 84.0 ug/L 1,1-Dichloroethylene 86.0 ug/L Benzene 410.0 ug/L Trichloroethylene (TCE) 760.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Methylene Chloride 0.0067 mg/kg Trichloroethylene (TCE) 0.009800000000000001 mg/kg Carbon Dichloride 0.02 mg/kg 1,3,5-Trimethylbenzene 0.035 mg/kg Ethyl benzene 0.036000000000000004 mg/kg o-Xylene 0.047 mg/kg Indeno(1,2,3-cd)Pyrene 0.059000000000000004 mg/kg 8,9-Benzofluoranthene 0.063 mg/kg 1-Phenylpropane 0.084 mg/kg Acetone 0.12 mg/kg Freon 113 0.15 mg/kg Selenium 0.16 mg/kg sec-Butylbenzene 0.18 mg/kg tert-Butylbenzene 0.18 mg/kg Beryllium and compounds 0.19 mg/kg Cadmium and compounds 0.27 mg/kg Molybdenum 0.31 mg/kg 2,3-Benzofluoranthene 0.32 mg/kg Benzo(a)Pyrene 0.41000000000000003 mg/kg Cumene 0.42 mg/kg Antimony and compounds 0.5 mg/kg n-Butylbenzene 0.55 mg/kg 1,2-Benzacenaphthene 0.6 mg/kg Bis(2-Ethylhexyl)Phthalate 0.62 mg/kg Anthracene 0.62 mg/kg Benz(a)Anthracene 0.63 mg/kg Acenaphthene 0.67 mg/kg 1,2,4-Trimethylbenzene 0.73 mg/kg 2-Methylnaphthalene 0.92 mg/kg Chrysene 0.93 mg/kg Fluorene 0.98 mg/kg Benzo(def)Phenanthrene 1.2 mg/kg Arsenic 3.0 mg/kg Silver and compounds 3.3000000000000003 mg/kg Naphthalene 3.8000000000000003 mg/kg Cobalt 6.2 mg/kg Lead 9.9 mg/kg Copper and compounds 20.0 mg/kg Vanadium 31.0 mg/kg Chromium 33.0 mg/kg Nickel (Soluble Salts) 34.0 mg/kg Zinc 46.0 mg/kg Barium 93.0 mg/kg Manganese and compounds 160.0 mg/kg Aluminum 6700.0 mg/kg Iron 14000.0 mg/kg

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Site ID: WP227

SUMP

Disposal Pit and Dry Well

Cost

$14K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cobalt 0.07 ug/L Benzene, p-dichloro- 0.0761 ug/L Antimony and compounds 0.079 ug/L 1,3-Dichlorobenzene 0.0963 ug/L 1,2-Dichlorobenzene 0.103 ug/L Chloromethane (methyl chloride) 0.11 ug/L Ethyl benzene 0.133 ug/L Benzene, chloro- 0.136 ug/L 1,1,2,2-Tetrachloroethane 0.152 ug/L Benzene 0.154 ug/L Bromobenzene 0.16 ug/L Freon 113 0.16 ug/L Methylene Bromide 0.2005 ug/L Benzene, methyl- 0.222 ug/L Trichlorofluoromethane 0.226 ug/L Carbon Dichloride 0.242 ug/L 1,2-Dichloroethane (EDC) 0.26 ug/L Lead 0.26 ug/L 1,1-Dichloroethane 0.29 ug/L Bromoform 0.3635 ug/L Methylene Chloride 0.372 ug/L 1,2-trans-dichloroethylene 0.382 ug/L Chlorodibromomethane 0.485 ug/L Cadmium and compounds 0.7 ug/L Copper and compounds 0.74 ug/L Aluminum 1.0 ug/L Manganese and compounds 1.1 ug/L Beryllium and compounds 1.5 ug/L Molybdenum 1.9 ug/L Acetone 2.5 ug/L 1,1-Dichloroethylene 3.0 ug/L Zinc 3.2 ug/L cis-1,2-Dichloroethylene 4.35 ug/L Chloroform 4.6 ug/L Arsenic 6.0 ug/L Chromium 25.0 ug/L Vanadium 27.0 ug/L Carbon Tetrachloride 28.0 ug/L Barium 28.0 ug/L Nickel (Soluble Salts) 30.0 ug/L Iron 36.0 ug/L Trichloroethylene (TCE) 340.0 ug/L

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Site ID: WR288

DUDLEY ROAD RADIOLOGICAL SITE

Radioactive Waste Area

Cost

$25K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Site ID: SD128

AIRCRAFT WASHRACK

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Diethyl Phthalate 0.08209999999999999 mg/kg Anthracene 0.11 mg/kg 2-Methylnaphthalene 0.18 mg/kg Butyl Benzyl Phthalate 0.23 mg/kg Indeno(1,2,3-cd)Pyrene 0.28800000000000003 mg/kg Bis(2-Ethylhexyl)Phthalate 0.311 mg/kg 1,2-Benzacenaphthene 0.36060000000000003 mg/kg Beryllium and compounds 0.39 mg/kg Benz(a)Anthracene 0.394 mg/kg Chrysene 0.584 mg/kg Benzo(a)Pyrene 0.62 mg/kg Benzo(def)Phenanthrene 0.709 mg/kg Cadmium and compounds 0.8 mg/kg 2,3-Benzofluoranthene 0.895 mg/kg Molybdenum 1.0 mg/kg Naphthalene 2.0 mg/kg Arsenic 5.4 mg/kg Lead 6.2333333333 mg/kg Cobalt 9.3666666667 mg/kg Nickel (Soluble Salts) 18.133333333 mg/kg Chromium 19.900000000000002 mg/kg Copper and compounds 24.3 mg/kg Zinc 53.166666667 mg/kg Vanadium 56.666666667 mg/kg Barium 193.66666667 mg/kg Manganese and compounds 364.33333333 mg/kg Aluminum 14800.0 mg/kg Iron 23633.333333000002 mg/kg

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Site ID: SD129

AIRCRAFT MAINTENANCE AREA

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, methyl- 0.0857 ug/L Silver and compounds 0.095 ug/L Lead 0.11 ug/L Beryllium and compounds 0.12 ug/L Cadmium and compounds 0.13 ug/L Selenium 0.16 ug/L Trichlorofluoromethane 0.17 ug/L Antimony and compounds 0.2 ug/L Freon 113 0.2 ug/L Chloroform 0.21 ug/L Cobalt 0.21 ug/L Bromodichloromethane 0.24 ug/L cis-1,2-Dichloroethylene 0.25 ug/L Bromomethane 0.26 ug/L 1,2-Dichloroethene 0.27 ug/L Molybdenum 0.27 ug/L Trichloroethylene (TCE) 0.29 ug/L 1,2-Dichloroethane (EDC) 0.31 ug/L Carbon Dichloride 0.33 ug/L Nickel (Soluble Salts) 0.56 ug/L 1,1-Dichloroethylene 0.61 ug/L Chloromethane (methyl chloride) 1.1 ug/L Methylene Chloride 1.4 ug/L Bis(2-Ethylhexyl)Phthalate 1.5 ug/L Manganese and compounds 1.8 ug/L 1,1-Dichloroethane 2.1 ug/L Arsenic 2.9 ug/L Zinc 3.2 ug/L Copper and compounds 3.7 ug/L Acetone 7.6 ug/L Chromium 11.0 ug/L Iron 19.0 ug/L Vanadium 25.0 ug/L Barium 43.0 ug/L Aluminum 88.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Naphthalene 0.0040999999999999995 mg/kg Benzenedicarboxylate 0.043000000000000003 mg/kg Bis(2-Ethylhexyl)Phthalate 0.051000000000000004 mg/kg Cadmium and compounds 0.095 mg/kg Fluorene 0.1 mg/kg Antimony and compounds 0.15 mg/kg Acenaphthene 0.16 mg/kg Beryllium and compounds 0.33 mg/kg Dibenz[ah]anthracene 0.36 mg/kg Dibutyl Phthalate 0.3797 mg/kg Anthracene 0.42 mg/kg Diethyl Phthalate 0.53 mg/kg Silver and compounds 0.6900000000000001 mg/kg 8,9-Benzofluoranthene 0.87 mg/kg Molybdenum 1.135 mg/kg Indeno(1,2,3-cd)Pyrene 1.2 mg/kg Benz(a)Anthracene 1.9000000000000001 mg/kg Benzo(a)Pyrene 2.0 mg/kg Benzo(def)Phenanthrene 2.7 mg/kg 2,3-Benzofluoranthene 3.0 mg/kg Chrysene 3.2 mg/kg 1,2-Benzacenaphthene 3.3000000000000003 mg/kg Arsenic 3.4 mg/kg Selenium 3.5 mg/kg Lead 5.3 mg/kg Cobalt 16.0 mg/kg Copper and compounds 19.0 mg/kg Nickel (Soluble Salts) 28.0 mg/kg Chromium 32.0 mg/kg Zinc 34.0 mg/kg Vanadium 49.0 mg/kg Barium 120.0 mg/kg Manganese and compounds 310.0 mg/kg Aluminum 11000.0 mg/kg Iron 20000.0 mg/kg

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Site ID: SD155

DEFUEL FAC. TANKS

Storm Drain

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2017

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Arsenic 3.43 mg/kg Vanadium 56.800000000000004 mg/kg Lead 59.9 mg/kg Manganese (Tradename) 264.0 mg/kg Iron 22400.0 mg/kg Aluminum 22900.0 mg/kg

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Site ID: SD156

OIL/WATER SEPARATOR

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, methyl- 0.3 ug/L 1,3-Dichlorobenzene 0.4 ug/L Benzene, 1,2,4-trichloro- 0.5 ug/L Benzene, chloro- 0.6 ug/L 1,2-Dichloroethane (EDC) 0.7 ug/L Naphthalene 0.7 ug/L Benzene, p-dichloro- 0.85 ug/L 1,2-Dichlorobenzene 0.85 ug/L Chloroform 1.0 ug/L Benzene 2.0 ug/L 1,2-trans-dichloroethylene 2.7 ug/L 1,1,2-Trichloroethane 2.85 ug/L Carbon Dichloride 4.55 ug/L cis-1,2-Dichloroethylene 8.25 ug/L 1,1-Dichloroethane 8.25 ug/L 1,1-Dichloroethylene 10.1 ug/L Acetone 40.0 ug/L Trichloroethylene (TCE) 47.0 ug/L

Soil: Risk Not Evaluated

Contaminants: HCH (gamma) Lindane 0.0023 mg/kg Dieldrin 0.0026000000000000003 mg/kg Aldrin 0.0028 mg/kg DDE 0.004 mg/kg Heptachlor 0.0085 mg/kg Methyl Ethyl Ketone 0.023 mg/kg Benzene 0.037 mg/kg Acetone 0.13 mg/kg Trichloroethylene (TCE) 0.2 mg/kg Beryllium and compounds 0.425 mg/kg Cadmium and compounds 0.43 mg/kg Silver and compounds 0.51 mg/kg Bis(2-Ethylhexyl)Phthalate 0.6900000000000001 mg/kg Freon 113 0.92 mg/kg cis-1,2-Dichloroethylene 1.1 mg/kg Ethyl benzene 1.8466666667 mg/kg 1,1-Dichloroethane 2.3635 mg/kg Carbon Dichloride 2.5 mg/kg 1,1,1-Trichloroethane 3.3000000000000003 mg/kg Arsenic 3.65 mg/kg Cobalt 5.55 mg/kg Lead 7.325 mg/kg Copper and compounds 8.3 mg/kg Benzene, methyl- 9.668666666700002 mg/kg Naphthalene 12.0 mg/kg Nickel (Soluble Salts) 12.65 mg/kg 2-Methylnaphthalene 18.0 mg/kg Zinc 23.25 mg/kg Chromium 30.8 mg/kg Vanadium 43.0 mg/kg Barium 82.2 mg/kg Manganese and compounds 162.0 mg/kg Iron 15200.0 mg/kg Aluminum 15500.0 mg/kg

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Site ID: SD157

OIL/WATER SEPARATOR UNDERGROUND STORAGE TANKS

Storm Drain

Cost

$15K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,1,1-Trichloroethane 0.0671 ug/L Antimony and compounds 0.075 ug/L Ethyl benzene 0.109 ug/L Chlorodibromomethane 0.156 ug/L cis-1,2-Dichloroethylene 0.161 ug/L Methylene Bromide 0.187 ug/L Trichloroethylene (TCE) 0.206 ug/L Bromoform 0.213 ug/L Methylene Chloride 0.249 ug/L Carbon Dichloride 0.26 ug/L Cobalt 0.3 ug/L Beryllium and compounds 0.4 ug/L Copper and compounds 0.42 ug/L Benzene 0.495 ug/L 1,1-Dichloroethane 0.82 ug/L Benzene, methyl- 0.869 ug/L Lead 1.4 ug/L Zinc 1.9 ug/L Manganese and compounds 2.5 ug/L Molybdenum 2.5 ug/L Arsenic 2.7 ug/L Cadmium and compounds 6.8 ug/L o-Chlorotoluene 7.7 ug/L Chromium 12.0 ug/L Aluminum 13.0 ug/L Nickel (Soluble Salts) 16.0 ug/L Vanadium 22.0 ug/L Barium 71.0 ug/L Iron 120.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Carbon Dichloride 0.0202 mg/kg o-Xylene 0.037 mg/kg Beryllium and compounds 0.41000000000000003 mg/kg Bis(2-Ethylhexyl)Phthalate 0.46 mg/kg Dibutyl Phthalate 0.46 mg/kg Cadmium and compounds 0.74 mg/kg Antimony and compounds 5.25 mg/kg Lead 6.9 mg/kg Arsenic 7.5 mg/kg Naphthalene 7.5333333333 mg/kg Cobalt 10.133333333000001 mg/kg Selenium 11.85 mg/kg Chromium 24.666666667 mg/kg Nickel (Soluble Salts) 25.333333333 mg/kg Phosphorus (white) 27.0 mg/kg Copper and compounds 28.666666667 mg/kg Vanadium 54.333333333000006 mg/kg Zinc 55.666666667 mg/kg Barium 210.0 mg/kg Manganese and compounds 240.0 mg/kg Aluminum 18333.333333000002 mg/kg Iron 20300.0 mg/kg

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Site ID: SD185

WASHRACK

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2015

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Bis(2-Ethylhexyl)Phthalate 0.029 mg/kg Benzyl Alcohol 0.08700000000000001 mg/kg Carbon Dichloride 0.60238 mg/kg Benzene, methyl- 0.7030000000000001 mg/kg Benzene 1.25385 mg/kg Ethyl benzene 1.499 mg/kg Naphthalene 2.4633333333 mg/kg Trichloroethylene (TCE) 4.25905 mg/kg Lead 6.45 mg/kg o-Xylene 8.0690909091 mg/kg

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Site ID: SD192

STORM WATER DRAINAGE

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2015

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cadmium and compounds 6.5 ug/L Beryllium and compounds 43.6666667 ug/L Selenium 104.4666667 ug/L 1,2-Dichlorobenzene 200.0 ug/L Antimony and compounds 281.3333333 ug/L Cobalt 436.0 ug/L Arsenic 555.7333333 ug/L Lead 731.6666667 ug/L Vanadium 920.0 ug/L Chromium 1021.3333333 ug/L Nickel (Soluble Salts) 1390.0 ug/L Copper and compounds 1473.3333333 ug/L Zinc 3466.6666667 ug/L Manganese and compounds 18200.0 ug/L Barium 20333.333333 ug/L Iron 540666.66667 ug/L Aluminum 646666.66667 ug/L

Soil: Risk Not Evaluated

Contaminants: HCH (beta) 0.00035999999999999997 mg/kg Heptachlor 0.00047 mg/kg DDT 0.0011 mg/kg Heptachlor Epoxide 0.0014 mg/kg Trichloroethylene (TCE) 0.0014399999999999999 mg/kg DDD 0.0015 mg/kg DDE 0.0023 mg/kg o-Xylene 0.0024 mg/kg Methoxychlor 0.004200000000000001 mg/kg Dieldrin 0.005 mg/kg Chloroform 0.0060999999999999995 mg/kg Carbon Dichloride 0.0066 mg/kg cis-1,2-Dichloroethylene 0.008775 mg/kg Methylene Chloride 0.0193333333 mg/kg 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 0.039 mg/kg Dibenz[ah]anthracene 0.049 mg/kg Indeno(1,2,3-cd)Pyrene 0.05 mg/kg 1,2-Dichloroethane (EDC) 0.063 mg/kg Benz(a)Anthracene 0.076 mg/kg Butyl Benzyl Phthalate 0.078 mg/kg Benzo(a)Pyrene 0.081 mg/kg 4-Nitroaniline 0.085 mg/kg Benzenedicarboxylate 0.085 mg/kg 4-Hydroxynitrobenzene 0.091 mg/kg Chrysene 0.097 mg/kg Dibutyl Phthalate 0.11 mg/kg 1,2-Dichlorobenzene 0.115 mg/kg 4-Cresol 0.12 mg/kg Benzo(def)Phenanthrene 0.13 mg/kg 1,2-Benzacenaphthene 0.15 mg/kg Aroclor 1254 0.16 mg/kg 2,3-Benzofluoranthene 0.16 mg/kg Antimony and compounds 0.28 mg/kg Selenium 0.28 mg/kg Cyanide (free) 0.37 mg/kg Beryllium and compounds 0.445 mg/kg Bis(2-Ethylhexyl)Phthalate 0.45 mg/kg Pentachlorophenol 0.47000000000000003 mg/kg Molybdenum 0.48 mg/kg Silver and compounds 0.891 mg/kg Benzoic Acid 1.0 mg/kg Cadmium and compounds 1.3455 mg/kg Arsenic 2.05 mg/kg Naphthalene 3.125 mg/kg Benzene 4.847 mg/kg Cobalt 6.8 mg/kg Copper and compounds 16.5 mg/kg 2-Methylnaphthalene 20.5 mg/kg Nickel (Soluble Salts) 23.0 mg/kg Vanadium 42.0 mg/kg Chromium 43.0 mg/kg Zinc 48.0 mg/kg Lead 48.050000000000004 mg/kg Benzene, methyl- 52.123333333000005 mg/kg Barium 108.0 mg/kg Boron 166.5 mg/kg Manganese and compounds 195.0 mg/kg Aluminum 15000.0 mg/kg Iron 16000.0 mg/kg

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Site ID: WP252

SUMP

Disposal Pit and Dry Well

Cost

$14K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.47000000000000003 mg/kg Lead 7.6666666667 mg/kg Cobalt 11.666666667 mg/kg Copper and compounds 19.666666667 mg/kg Nickel (Soluble Salts) 19.900000000000002 mg/kg Chromium 21.666666667 mg/kg Zinc 38.333333333000006 mg/kg Vanadium 51.333333333000006 mg/kg Barium 163.66666667 mg/kg Manganese and compounds 420.0 mg/kg Aluminum 16600.0 mg/kg Iron 24333.333333000002 mg/kg

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Site ID: WR325

55TH WRS WASH RACK BETWEEN BUILDINGS 1033 AND 1036 (AOC 325)

Washrack

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2015

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Sediment (Human): Risk Not Evaluated

Contaminants: DDE 0.008 mg/kg DDD 0.02 mg/kg Benzenedicarboxylate 0.055 mg/kg Anthracene 0.06 mg/kg Indeno(1,2,3-cd)Pyrene 0.13 mg/kg 8,9-Benzofluoranthene 0.14 mg/kg 2-Methylnaphthalene 0.14 mg/kg Beryllium and compounds 0.28 mg/kg Silver and compounds 0.55 mg/kg Benz(a)Anthracene 0.6 mg/kg Selenium 0.68 mg/kg Benzo(a)Pyrene 0.75 mg/kg Chrysene 1.1 mg/kg 2,3-Benzofluoranthene 1.4000000000000001 mg/kg Benzo(def)Phenanthrene 1.6 mg/kg 1,2-Benzacenaphthene 1.6 mg/kg Bis(2-Ethylhexyl)Phthalate 2.4 mg/kg Arsenic 3.3000000000000003 mg/kg Molybdenum 5.1000000000000005 mg/kg Antimony and compounds 10.0 mg/kg Cobalt 11.0 mg/kg Cadmium and compounds 13.0 mg/kg Vanadium 40.0 mg/kg Nickel (Soluble Salts) 49.0 mg/kg Chromium 92.0 mg/kg Copper and compounds 100.0 mg/kg Lead 200.0 mg/kg Barium 200.0 mg/kg Manganese and compounds 290.0 mg/kg Zinc 1100.0 mg/kg Aluminum 11000.0 mg/kg Iron 20000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Fluorene 0.0004666667 mg/kg Acenaphthene 0.0016 mg/kg Dibenz[ah]anthracene 0.0035499999999999998 mg/kg Anthracene 0.0039 mg/kg Chrysene 0.0151 mg/kg Benz(a)Anthracene 0.022 mg/kg 2,3-Benzofluoranthene 0.0225 mg/kg 8,9-Benzofluoranthene 0.025 mg/kg Benzo(def)Phenanthrene 0.0254 mg/kg 1,2-Benzacenaphthene 0.027733333300000003 mg/kg Indeno(1,2,3-cd)Pyrene 0.029 mg/kg Benzo(a)Pyrene 0.03 mg/kg Silver and compounds 0.122 mg/kg Antimony and compounds 0.13 mg/kg Bis(2-Ethylhexyl)Phthalate 0.14 mg/kg Molybdenum 0.2073333333 mg/kg Naphthalene 0.22 mg/kg 2-Methylnaphthalene 0.258 mg/kg Beryllium and compounds 0.47850000000000004 mg/kg Cadmium and compounds 0.635 mg/kg Arsenic 5.1666666667 mg/kg Cobalt 9.845 mg/kg Nickel (Soluble Salts) 21.400000000000002 mg/kg Copper and compounds 22.275000000000002 mg/kg Chromium 26.85 mg/kg Lead 40.525 mg/kg Zinc 53.7 mg/kg Vanadium 59.4 mg/kg Barium 219.25 mg/kg Manganese and compounds 334.33333333 mg/kg Aluminum 13615.0 mg/kg Iron 20766.666667 mg/kg

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Site ID: XU314

FORMER AMMUNITION

Unexploded Munitions and Ordnance Area

Cost

$679K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2017

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Dieldrin 0.0013000000000000002 mg/kg DDD 0.002 mg/kg Heptachlor 0.0022 mg/kg DDE 0.0027 mg/kg DDT 0.006900000000000001 mg/kg Cadmium and compounds 0.15075 mg/kg Bis(2-Ethylhexyl)Phthalate 0.1776666667 mg/kg Diethyl Phthalate 0.212 mg/kg Silver and compounds 0.33 mg/kg Dibutyl Phthalate 0.375 mg/kg Beryllium and compounds 0.54 mg/kg Molybdenum 1.02 mg/kg Arsenic 1.9725000000000001 mg/kg Naphthalene 2.525 mg/kg Lead 10.033333333 mg/kg Cobalt 17.133333333 mg/kg Copper and compounds 24.84168 mg/kg Chromium 30.18162 mg/kg Nickel (Soluble Salts) 35.725 mg/kg Vanadium 47.5 mg/kg Zinc 48.304 mg/kg Barium 306.66666667000004 mg/kg Manganese and compounds 447.226 mg/kg Aluminum 15313.460000000001 mg/kg Iron 19981.08 mg/kg

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Site ID: WP247

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Anthracene 0.001 mg/kg Acenaphthene 0.0016 mg/kg 2-Methylnaphthalene 0.0035 mg/kg Acetone 0.005200000000000001 mg/kg Naphthalene 0.0053 mg/kg Benzo(a)Pyrene 0.007625 mg/kg Antimony and compounds 0.123 mg/kg Cadmium and compounds 0.14 mg/kg Molybdenum 0.17 mg/kg Beryllium and compounds 0.36 mg/kg Arsenic 2.85 mg/kg Lead 5.95 mg/kg Cobalt 7.15 mg/kg Nickel (Soluble Salts) 17.05 mg/kg Copper and compounds 17.7 mg/kg Chromium 19.0 mg/kg Vanadium 43.0 mg/kg Zinc 58.0 mg/kg Barium 202.0 mg/kg Manganese and compounds 220.0 mg/kg Aluminum 9800.0 mg/kg Iron 18000.0 mg/kg

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Site ID: SD290

OLD MAGPIE CREEK

Storm Drain

Cost

$604K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Silver and compounds 0.04 ug/L Cadmium and compounds 0.059 ug/L Lead 0.087 ug/L Antimony and compounds 0.093 ug/L Selenium 0.15 ug/L Copper and compounds 0.16 ug/L Chloroform 0.205 ug/L Beryllium and compounds 0.27 ug/L cis-1,2-Dichloroethylene 0.28 ug/L 1,1-Dichloroethane 0.335 ug/L Carbon Tetrachloride 0.38 ug/L Molybdenum 0.39 ug/L Nickel (Soluble Salts) 0.4 ug/L Carbon Dichloride 0.41 ug/L 1,1-Dichloroethylene 0.49 ug/L Cobalt 0.52 ug/L 1,4-Diethylene Dioxide 0.64 ug/L Manganese and compounds 0.99 ug/L Arsenic 3.3 ug/L Zinc 4.0 ug/L Chromium 8.0 ug/L Bromobenzene 14.6 ug/L Aluminum 19.0 ug/L Iron 20.0 ug/L Vanadium 22.0 ug/L Trichloroethylene (TCE) 52.0 ug/L Barium 140.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Benzo(a)Pyrene 0.053 mg/kg Selenium 0.059000000000000004 mg/kg Benz(a)Anthracene 0.065 mg/kg 2,3-Benzofluoranthene 0.074 mg/kg Chrysene 0.078 mg/kg Aroclor 1254 0.10833333330000001 mg/kg 1,2-Benzacenaphthene 0.11 mg/kg Benzo(def)Phenanthrene 0.13 mg/kg Beryllium and compounds 0.29 mg/kg Antimony and compounds 0.32 mg/kg Silver and compounds 0.35000000000000003 mg/kg Bis(2-Ethylhexyl)Phthalate 0.36 mg/kg Molybdenum 0.61 mg/kg Cadmium and compounds 1.09 mg/kg Naphthalene 2.49 mg/kg Arsenic 2.85 mg/kg Cobalt 10.0 mg/kg Nickel (Soluble Salts) 19.5 mg/kg Copper and compounds 25.0 mg/kg Chromium 30.0 mg/kg Lead 34.5 mg/kg Vanadium 41.0 mg/kg Zinc 46.5 mg/kg Barium 219.5 mg/kg Manganese and compounds 335.0 mg/kg Aluminum 10200.0 mg/kg Iron 15500.0 mg/kg

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Site ID: SD218

SOLVENT SPRAY BOOTH

Storm Drain

Cost

$7,000

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Endrin 0.0007 mg/kg 1,2-Benzacenaphthene 0.0018000000000000002 mg/kg Naphthalene 0.0024500000000000004 mg/kg Methylene Chloride 0.007 mg/kg Dieldrin 0.008675 mg/kg Trichloroethylene (TCE) 0.015 mg/kg Dibutyl Phthalate 0.038 mg/kg Bis(2-Ethylhexyl)Phthalate 0.052000000000000005 mg/kg Beryllium and compounds 0.45 mg/kg Cobalt 11.3 mg/kg Lead 15.333333333 mg/kg Nickel (Soluble Salts) 18.0 mg/kg Copper and compounds 20.333333333 mg/kg Chromium 25.0 mg/kg Zinc 40.0 mg/kg Vanadium 58.333333333000006 mg/kg Barium 130.0 mg/kg Manganese and compounds 276.66666667 mg/kg Aluminum 21000.0 mg/kg Iron 25000.0 mg/kg

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Site ID: SD232

LOCOMOTIVE WASHRACK

Storm Drain

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Trichloroethylene (TCE) 0.0541 ug/L Benzene, methyl- 0.0582 ug/L Methylene Chloride 0.0597 ug/L Antimony and compounds 0.072 ug/L Lead 0.096 ug/L Carbon Dichloride 0.103 ug/L Cobalt 0.2 ug/L 1,2-Dichlorobenzene 0.422 ug/L Chloromethane (methyl chloride) 0.426 ug/L Molybdenum 0.62 ug/L Copper and compounds 1.0 ug/L Arsenic 1.3 ug/L Nickel (Soluble Salts) 2.0 ug/L Manganese and compounds 2.3 ug/L Selenium 2.7 ug/L 1,2-Dichloroethane (EDC) 2.9 ug/L Chromium 6.5 ug/L Vanadium 7.1 ug/L Zinc 7.1 ug/L Barium 77.0 ug/L Aluminum 120.0 ug/L Iron 190.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Aldrin 0.01 mg/kg HCH (alpha) 0.027 mg/kg Endrin 0.055 mg/kg DDD 0.056 mg/kg Beryllium and compounds 0.4 mg/kg Selenium 0.48 mg/kg Silver and compounds 0.81 mg/kg Butyl Benzyl Phthalate 0.86 mg/kg Anthracene 1.3 mg/kg 2-Methylnaphthalene 1.4000000000000001 mg/kg Benzenedicarboxylate 1.5 mg/kg Dibenz[ah]anthracene 1.7 mg/kg Antimony and compounds 2.8000000000000003 mg/kg Indeno(1,2,3-cd)Pyrene 6.0 mg/kg Benz(a)Anthracene 6.2 mg/kg 8,9-Benzofluoranthene 7.3 mg/kg Arsenic 7.9 mg/kg Bis(2-Ethylhexyl)Phthalate 8.1 mg/kg Benzo(a)Pyrene 8.3 mg/kg Molybdenum 8.700000000000001 mg/kg Cadmium and compounds 8.700000000000001 mg/kg 1,2-Benzacenaphthene 13.0 mg/kg Chrysene 13.0 mg/kg Cobalt 13.0 mg/kg Benzo(def)Phenanthrene 18.0 mg/kg 2,3-Benzofluoranthene 18.0 mg/kg Nickel (Soluble Salts) 49.0 mg/kg Vanadium 55.0 mg/kg Chromium 91.0 mg/kg Barium 200.0 mg/kg Lead 250.0 mg/kg Manganese and compounds 280.0 mg/kg Copper and compounds 300.0 mg/kg Zinc 860.0 mg/kg Aluminum 11000.0 mg/kg Iron 36000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Naphthalene 0.0011 mg/kg Acetone 0.0033 mg/kg Anthracene 0.0040999999999999995 mg/kg Benz(a)Anthracene 0.006500000000000001 mg/kg Indeno(1,2,3-cd)Pyrene 0.007 mg/kg Benzo(a)Pyrene 0.011 mg/kg 8,9-Benzofluoranthene 0.014 mg/kg Acenaphthene 0.038 mg/kg Bis(2-Ethylhexyl)Phthalate 0.043000000000000003 mg/kg 2,3-Benzofluoranthene 0.047 mg/kg Chrysene 0.056 mg/kg Benzo(def)Phenanthrene 0.061 mg/kg Silver and compounds 0.09 mg/kg 1,2-Benzacenaphthene 0.091 mg/kg Cadmium and compounds 0.29 mg/kg Beryllium and compounds 0.56 mg/kg Molybdenum 1.125 mg/kg Antimony and compounds 1.2 mg/kg Lead 5.125 mg/kg Arsenic 5.875 mg/kg Cobalt 11.3 mg/kg Copper and compounds 22.075 mg/kg Nickel (Soluble Salts) 23.075 mg/kg Chromium 28.625 mg/kg Zinc 36.800000000000004 mg/kg Vanadium 52.45 mg/kg Barium 162.5 mg/kg Manganese and compounds 564.5 mg/kg Aluminum 14500.0 mg/kg Iron 22725.0 mg/kg

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Site ID: SD236

SPRAY BOOTH

Storm Drain

Cost

$14K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Chrysene 0.19 mg/kg Benzo(def)Phenanthrene 0.2 mg/kg 1,2-Benzacenaphthene 0.21 mg/kg Silver and compounds 0.31 mg/kg Molybdenum 0.335 mg/kg Beryllium and compounds 0.41450000000000004 mg/kg Cadmium and compounds 0.525 mg/kg Arsenic 2.7 mg/kg Cobalt 16.515 mg/kg Copper and compounds 21.55 mg/kg Nickel (Soluble Salts) 26.400000000000002 mg/kg Chromium 29.45 mg/kg Vanadium 39.9 mg/kg Lead 40.45 mg/kg Zinc 60.1 mg/kg Barium 172.9 mg/kg Manganese and compounds 259.5 mg/kg Aluminum 11070.0 mg/kg Iron 14250.0 mg/kg

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Site ID: SD248

TANK FARM

Underground Tank Farm

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Trichloroethylene (TCE) 0.49 ug/L Acetone 4.84 ug/L Bromobenzene 77000.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Trichloroethylene (TCE) 0.016050000000000002 mg/kg Cadmium and compounds 0.069 mg/kg 1,3-Dichlorobenzene 0.0983 mg/kg Beryllium and compounds 0.324 mg/kg Benzene, chloro- 0.44 mg/kg Benzene, p-dichloro- 0.446 mg/kg 1,2-Dichlorobenzene 1.52 mg/kg Dibutyl Phthalate 2.33 mg/kg Cobalt 6.66 mg/kg Copper and compounds 13.3 mg/kg Arsenic 15.666666667 mg/kg Nickel (Soluble Salts) 17.1 mg/kg Chromium 21.75 mg/kg Zinc 24.400000000000002 mg/kg Lead 27.7 mg/kg Vanadium 28.75 mg/kg Bromobenzene 89.0 mg/kg Barium 121.5 mg/kg Manganese and compounds 215.0 mg/kg Aluminum 9485.0 mg/kg Iron 11900.0 mg/kg

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Site ID: SD258

MAGPIE CREEK CONTAMINATION

Storm Drain

Cost

$25K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2017

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Silver and compounds 0.052 ug/L Benzene 0.0753 ug/L Cobalt 0.088 ug/L Dichloropropane 0.0957 ug/L Beryllium and compounds 0.1 ug/L 1,1,1-Trichloroethane 0.101 ug/L Carbon Dichloride 0.115 ug/L Benzene, chloro- 0.1333333 ug/L Methylene Chloride 0.15 ug/L 1,1,2-Trichloroethane 0.194 ug/L Antimony and compounds 0.2 ug/L Benzene, methyl- 0.24 ug/L 1,2-trans-dichloroethylene 0.24 ug/L Manganese and compounds 0.24 ug/L Chloromethane (methyl chloride) 0.28 ug/L Molybdenum 0.3 ug/L Lead 0.35 ug/L 1,2-Dichloroethane (EDC) 0.36 ug/L Bromodichloromethane 0.373 ug/L Trichlorofluoromethane 0.46 ug/L Hexachlorobutadiene 0.53 ug/L Chlorodibromomethane 0.573 ug/L Copper and compounds 0.59 ug/L Nickel (Soluble Salts) 0.69 ug/L 1,1-Dichloroethylene 0.72 ug/L Bromomethane 0.73 ug/L Bromoform 0.782 ug/L Freon 113 0.793 ug/L Selenium 0.87 ug/L 1,1-Dichloroethane 1.0 ug/L 1,4-Diethylene Dioxide 1.7 ug/L Arsenic 2.9 ug/L Chloroform 3.1 ug/L Methyl Ethyl Ketone 4.5 ug/L cis-1,2-Dichloroethylene 5.4 ug/L Cadmium and compounds 5.4 ug/L Zinc 6.4 ug/L Carbon Tetrachloride 7.9 ug/L Aluminum 11.0 ug/L Chromium 11.0 ug/L Acetone 12.0 ug/L Vanadium 21.0 ug/L Bromobenzene 26.2 ug/L Trichloroethylene (TCE) 38.0 ug/L Iron 65.0 ug/L Barium 79.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Endrin 0.052000000000000005 mg/kg Indeno(1,2,3-cd)Pyrene 0.1545 mg/kg Benzo(def)Phenanthrene 0.9400000000000001 mg/kg Naphthalene 1.28 mg/kg 2-Methylnaphthalene 2.0 mg/kg Antimony and compounds 3.18 mg/kg Aroclor 1254 14.5 mg/kg

Soil: Risk Not Evaluated

Contaminants: Dibenzo(b,e)(1,4)dioxin,2,3,7,8-tetrachloro- 1.068e-06 mg/kg 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 3.8e-06 mg/kg HCH (beta) 0.00098 mg/kg Aldrin 0.0016 mg/kg Acenaphthene 0.0021000000000000003 mg/kg Heptachlor 0.0024 mg/kg Anthracene 0.0043 mg/kg Naphthalene 0.0044 mg/kg Dibenz[ah]anthracene 0.004900000000000001 mg/kg Fluorene 0.0060999999999999995 mg/kg Carbon Tetrachloride 0.0086 mg/kg Dieldrin 0.0103 mg/kg 8,9-Benzofluoranthene 0.012 mg/kg cis-1,2-Dichloroethylene 0.015050000000000001 mg/kg Benz(a)Anthracene 0.016 mg/kg Indeno(1,2,3-cd)Pyrene 0.017 mg/kg Methylene Chloride 0.019 mg/kg Chloroform 0.022 mg/kg Benzo(a)Pyrene 0.023 mg/kg Benzene 0.023 mg/kg 1,1,1-Trichloroethane 0.024 mg/kg Chrysene 0.025 mg/kg DDE 0.02885 mg/kg DDT 0.03 mg/kg 2,3-Benzofluoranthene 0.039 mg/kg 1,2-Benzacenaphthene 0.039 mg/kg Benzo(def)Phenanthrene 0.04 mg/kg 1,1-Dichloroethylene 0.054 mg/kg DDD 0.0565 mg/kg Aroclor 1254 0.057 mg/kg Selenium 0.059500000000000004 mg/kg Dibutyl Phthalate 0.185 mg/kg Beryllium and compounds 0.245 mg/kg Trichloroethylene (TCE) 0.3395 mg/kg Cyanide (free) 0.7000000000000001 mg/kg Silver and compounds 1.2 mg/kg Cadmium and compounds 1.8 mg/kg Antimony and compounds 2.1 mg/kg Arsenic 2.65 mg/kg Cobalt 6.65 mg/kg Nickel (Soluble Salts) 13.700000000000001 mg/kg Copper and compounds 15.65 mg/kg Molybdenum 20.0 mg/kg Vanadium 33.0 mg/kg Bis(2-Ethylhexyl)Phthalate 59.395 mg/kg Lead 74.0 mg/kg Barium 93.0 mg/kg Zinc 188.5 mg/kg Chromium 207.5 mg/kg Manganese and compounds 210.0 mg/kg Aluminum 6750.0 mg/kg Iron 11750.0 mg/kg

Surface Water (Human): Risk Not Evaluated

Contaminants: Carbon Disulfide 2.8 ug/L Chromium 11.0 ug/L Bis(2-Ethylhexyl)Phthalate 13.0 ug/L Manganese and compounds 23.0 ug/L Benzenol 41.0 ug/L Naphthalene 62.0 ug/L Iron 110.0 ug/L Barium 110.0 ug/L Zinc 140.0 ug/L Aluminum 160.0 ug/L

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Site ID: SD207

WASHRACK 254

Storm Drain

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Methylene Chloride 0.0534 ug/L Benzene, methyl- 0.0786 ug/L Benzene 0.08 ug/L cis-1,2-Dichloroethylene 0.146 ug/L 1,1,1-Trichloroethane 0.18 ug/L Antimony and compounds 0.22 ug/L 1,1-Dichloroethane 0.28 ug/L Dichlorodifluoromethane 0.28 ug/L Lead 0.29 ug/L Beryllium and compounds 0.3 ug/L Bromodichloromethane 0.48 ug/L Chlorodibromomethane 0.52 ug/L Copper and compounds 0.58 ug/L Chloroform 0.97 ug/L Carbon Tetrachloride 1.1 ug/L Manganese and compounds 1.1 ug/L Cadmium and compounds 1.3 ug/L Aluminum 2.7 ug/L Molybdenum 3.2 ug/L Arsenic 3.5 ug/L Zinc 3.6 ug/L Acetone 4.6 ug/L Nickel (Soluble Salts) 6.8 ug/L Trichloroethylene (TCE) 9.9 ug/L 1,1-Dichloroethylene 10.0 ug/L Cobalt 12.0 ug/L Chromium 17.0 ug/L Vanadium 21.0 ug/L Trichlorofluoromethane 42.0 ug/L Barium 62.0 ug/L Iron 68.0 ug/L Freon 113 74.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.18359999999999999 mg/kg Cadmium and compounds 0.255 mg/kg Molybdenum 0.72 mg/kg Naphthalene 2.9266666667 mg/kg Arsenic 3.8000000000000003 mg/kg Cobalt 6.204 mg/kg Nickel (Soluble Salts) 9.682 mg/kg Chromium 11.308 mg/kg Lead 11.335 mg/kg Copper and compounds 12.834 mg/kg Zinc 29.72 mg/kg Vanadium 30.900000000000002 mg/kg Barium 104.22 mg/kg Manganese and compounds 227.0 mg/kg Aluminum 8578.0 mg/kg Iron 11946.0 mg/kg

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Site ID: SS045

ABANDONED PLATING SHOP

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2015

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.059 ug/L Benzene, methyl- 0.108 ug/L Selenium 0.12 ug/L 1,2-Dichloroethane (EDC) 0.14 ug/L 1,1-Dichloroethylene 0.159 ug/L Methylene Bromide 0.192 ug/L Copper and compounds 0.23 ug/L Antimony and compounds 0.25 ug/L Carbon Tetrachloride 0.28 ug/L Freon 113 0.34 ug/L Bromoform 0.444 ug/L Lead 0.54 ug/L Methylene Chloride 0.694 ug/L Silver and compounds 0.88 ug/L Molybdenum 0.89 ug/L Chloroform 0.91 ug/L 1,2-Dichloroethene 1.0 ug/L Manganese and compounds 1.0 ug/L Cobalt 1.1 ug/L cis-1,2-Dichloroethylene 1.4 ug/L Carbon Dichloride 1.8 ug/L Arsenic 3.7 ug/L o-Chlorotoluene 8.123 ug/L Acetone 10.0 ug/L Nickel (Soluble Salts) 11.0 ug/L Zinc 13.0 ug/L Dichloropropane 17.0 ug/L Aluminum 19.0 ug/L Vanadium 24.0 ug/L Chromium 25.0 ug/L Iron 36.0 ug/L Barium 44.0 ug/L Trichloroethylene (TCE) 44.0 ug/L Beryllium and compounds 72.0 ug/L 1,2-Dichlorobenzene 77.0 ug/L Chlorodibromomethane 390.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Benzene, methyl- 0.01 mg/kg Antimony and compounds 0.018000000000000002 mg/kg 1,1,1-Trichloroethane 0.0298 mg/kg o-Xylene 0.0373333333 mg/kg 1,1,2-Trichloroethane 0.061 mg/kg Carbon Dichloride 0.06995 mg/kg 1,2-Dichlorobenzene 0.1035454546 mg/kg Bis(2-Ethylhexyl)Phthalate 0.12 mg/kg Methylene Chloride 0.165 mg/kg Cyanide (free) 0.17 mg/kg Trichloroethylene (TCE) 0.2303333333 mg/kg Cadmium and compounds 0.3 mg/kg Aroclor 1254 0.308 mg/kg Selenium 0.47000000000000003 mg/kg Molybdenum 0.64 mg/kg Beryllium and compounds 0.9 mg/kg Arsenic 2.65 mg/kg Silver and compounds 3.16 mg/kg Naphthalene 3.7666666667 mg/kg Lead 11.975 mg/kg Cobalt 12.0 mg/kg Copper and compounds 16.0 mg/kg Nickel (Soluble Salts) 31.0 mg/kg Zinc 41.0 mg/kg Chromium 55.75 mg/kg Barium 120.0 mg/kg Vanadium 200.0 mg/kg Manganese and compounds 520.0 mg/kg Aluminum 14000.0 mg/kg Iron 74000.0 mg/kg

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Site ID: SS053

ACID STORAGE AREA/LANDFILL

Spill Site Area

Cost

$15K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Lead 0.074 ug/L 1,2-Dichloroethane (EDC) 0.11 ug/L Ethyl benzene 0.149 ug/L Benzene, p-dichloro- 0.151 ug/L Benzene, chloro- 0.161 ug/L Methylene Chloride 0.176 ug/L 1,3-Dichlorobenzene 0.197 ug/L 1,2-Dichlorobenzene 0.2 ug/L Chloroform 0.21 ug/L Antimony and compounds 0.21 ug/L Benzene, methyl- 0.229 ug/L cis-1,2-Dichloroethylene 0.28 ug/L Beryllium and compounds 0.3 ug/L Carbon Dichloride 0.472 ug/L Copper and compounds 0.6 ug/L Molybdenum 0.76 ug/L Methylene Bromide 0.985 ug/L 1,1-Dichloroethylene 0.99 ug/L Cobalt 1.2 ug/L 1,1-Dichloroethane 1.9 ug/L Acetone 2.3 ug/L Trichloroethylene (TCE) 2.7 ug/L Arsenic 4.2 ug/L 1,4-Diethylene Dioxide 4.8 ug/L o-Chlorotoluene 8.25 ug/L Manganese and compounds 13.0 ug/L Zinc 20.0 ug/L Aluminum 23.0 ug/L Vanadium 28.0 ug/L Bromobenzene 29.6 ug/L Chromium 45.0 ug/L Barium 110.0 ug/L Nickel (Soluble Salts) 125.0 ug/L Iron 510.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Beryllium and compounds 0.12 mg/kg Cadmium and compounds 0.76 mg/kg Dibutyl Phthalate 1.8 mg/kg Naphthalene 2.22 mg/kg Cobalt 6.3 mg/kg Nickel (Soluble Salts) 19.0 mg/kg Copper and compounds 19.0 mg/kg Lead 21.0 mg/kg Chromium 29.0 mg/kg Vanadium 34.0 mg/kg Zinc 41.0 mg/kg Barium 80.0 mg/kg Manganese and compounds 160.0 mg/kg Aluminum 7500.0 mg/kg Iron 13000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Fluorene 0.0013000000000000002 mg/kg Naphthalene 0.0016 mg/kg Dibenz[ah]anthracene 0.0028 mg/kg Anthracene 0.0029 mg/kg Indeno(1,2,3-cd)Pyrene 0.007200000000000001 mg/kg Benz(a)Anthracene 0.018000000000000002 mg/kg 1,2-Benzacenaphthene 0.03 mg/kg Benzo(a)Pyrene 0.0325 mg/kg 2,3-Benzofluoranthene 0.0385 mg/kg Chrysene 0.043000000000000003 mg/kg Silver and compounds 0.049 mg/kg Selenium 0.0495 mg/kg Benzo(def)Phenanthrene 0.053 mg/kg Cadmium and compounds 0.081 mg/kg Antimony and compounds 0.09 mg/kg Beryllium and compounds 0.295 mg/kg Molybdenum 1.1400000000000001 mg/kg Arsenic 2.25 mg/kg Dibutyl Phthalate 3.3000000000000003 mg/kg Lead 4.25 mg/kg Cobalt 6.45 mg/kg Copper and compounds 15.0 mg/kg Nickel (Soluble Salts) 18.0 mg/kg Chromium 18.0 mg/kg Vanadium 37.0 mg/kg Zinc 51.0 mg/kg Barium 95.0 mg/kg Manganese and compounds 165.0 mg/kg Aluminum 10500.0 mg/kg Iron 16500.0 mg/kg

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Site ID: SS086

PLATING SHOP

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.15 ug/L Antimony and compounds 0.16 ug/L 1,2-trans-dichloroethylene 0.21 ug/L Freon 113 0.23 ug/L Silver and compounds 0.28 ug/L 1,2-Dichloroethane (EDC) 0.3 ug/L Bromodichloromethane 0.33 ug/L 1,1-Dichloroethane 0.33 ug/L Chlorodibromomethane 0.35 ug/L Carbon Dichloride 0.38 ug/L Cobalt 0.43 ug/L Molybdenum 0.55 ug/L Dichloropropane 0.6 ug/L Lead 0.68 ug/L Trichlorofluoromethane 0.69 ug/L Carbon Tetrachloride 0.73 ug/L Copper and compounds 0.73 ug/L cis-1,2-Dichloroethylene 1.6 ug/L Beryllium and compounds 2.2 ug/L Arsenic 2.4 ug/L Selenium 2.6 ug/L Chromium 5.1 ug/L Chloroform 5.5 ug/L Manganese and compounds 6.0 ug/L Zinc 7.3 ug/L Trichloroethylene (TCE) 13.0 ug/L Aluminum 14.0 ug/L Vanadium 17.0 ug/L Iron 67.0 ug/L Nickel (Soluble Salts) 71.0 ug/L Barium 140.0 ug/L

Soil: Risk Not Evaluated

Contaminants: cis-1,2-Dichloroethylene 0.011 mg/kg Cadmium and compounds 0.057100000000000005 mg/kg Silver and compounds 0.329 mg/kg Molybdenum 0.34700000000000003 mg/kg Beryllium and compounds 0.388 mg/kg Arsenic 1.865 mg/kg Bis(2-Ethylhexyl)Phthalate 2.35 mg/kg Antimony and compounds 2.41 mg/kg Lead 4.775 mg/kg Cobalt 6.26 mg/kg Copper and compounds 12.8 mg/kg Nickel (Soluble Salts) 16.4 mg/kg Zinc 26.5 mg/kg Vanadium 45.6 mg/kg Barium 93.95 mg/kg Manganese and compounds 142.0 mg/kg Chromium 172.0 mg/kg Aluminum 14200.0 mg/kg Iron 19650.0 mg/kg

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Site ID: SS087

CHEMICAL WAREHOUSE

Spill Site Area

Cost

$25K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cobalt 0.045 ug/L Silver and compounds 0.078 ug/L Methylene Chloride 0.091 ug/L 1,2-Dichlorobenzene 0.12 ug/L Cumene 0.14 ug/L Antimony and compounds 0.16 ug/L 1,2-Dichloroethane (EDC) 0.21 ug/L Molybdenum 0.22 ug/L Lead 0.33 ug/L 1,1-Dichloroethane 0.39 ug/L 1,2-trans-dichloroethylene 0.41 ug/L Manganese and compounds 0.47 ug/L Selenium 0.55 ug/L 1,1,2-Trichloroethane 0.55 ug/L Chloroform 1.0 ug/L Carbon Tetrachloride 1.1 ug/L Acetone 2.0 ug/L Aluminum 2.0 ug/L cis-1,2-Dichloroethylene 2.3 ug/L Copper and compounds 3.0 ug/L Nickel (Soluble Salts) 3.4 ug/L Arsenic 3.4 ug/L Zinc 5.1 ug/L Chromium 10.0 ug/L Vanadium 23.0 ug/L Iron 32.0 ug/L Barium 73.0 ug/L Trichloroethylene (TCE) 98.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Fluorene 0.0012 mg/kg Naphthalene 0.0012 mg/kg 2-Methylnaphthalene 0.0015 mg/kg Anthracene 0.0026000000000000003 mg/kg Dibenz[ah]anthracene 0.0026000000000000003 mg/kg Acenaphthene 0.0053 mg/kg 8,9-Benzofluoranthene 0.013000000000000001 mg/kg Indeno(1,2,3-cd)Pyrene 0.0195 mg/kg Benz(a)Anthracene 0.0226666667 mg/kg Chrysene 0.0366666667 mg/kg Benzo(a)Pyrene 0.0386666667 mg/kg 1,2-Benzacenaphthene 0.0423333333 mg/kg Benzo(def)Phenanthrene 0.0436666667 mg/kg 2,3-Benzofluoranthene 0.0533333333 mg/kg Beryllium and compounds 0.253 mg/kg Silver and compounds 0.4965 mg/kg Cadmium and compounds 0.75 mg/kg Arsenic 2.1 mg/kg Cobalt 5.375 mg/kg Lead 20.05 mg/kg Nickel (Soluble Salts) 25.25 mg/kg Copper and compounds 25.3 mg/kg Chromium 29.400000000000002 mg/kg Vanadium 29.45 mg/kg Zinc 39.0 mg/kg Barium 120.75 mg/kg Manganese and compounds 184.9 mg/kg Aluminum 5850.0 mg/kg Iron 11400.0 mg/kg

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Site ID: SS117

PAINT STORAGE AREA

Spill Site Area

Cost

$15K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,3-Dichlorobenzene 0.0566 ug/L 1,2-Dichlorobenzene 0.069 ug/L Lead 0.0715 ug/L Benzene, p-dichloro- 0.0747 ug/L 1,1,2-Trichloroethane 0.095 ug/L n-Butylbenzene 0.0996 ug/L Cumene 0.101 ug/L Methylene Chloride 0.1065 ug/L Antimony and compounds 0.123 ug/L Cobalt 0.17 ug/L Freon 113 0.205 ug/L 1,2-trans-dichloroethylene 0.22 ug/L Dichloropropane 0.23 ug/L Benzene, 1,2,4-trichloro- 0.287 ug/L Molybdenum 0.33 ug/L Selenium 0.38 ug/L Hexachlorobutadiene 0.431 ug/L Copper and compounds 0.445 ug/L Naphthalene 0.461 ug/L 1,2-Dichloroethane (EDC) 0.81 ug/L Manganese and compounds 1.0 ug/L 1,1-Dichloroethylene 1.2 ug/L Chloroform 1.3 ug/L Nickel (Soluble Salts) 1.75 ug/L Arsenic 2.85 ug/L 1,4-Diethylene Dioxide 4.5 ug/L Zinc 4.7 ug/L Acetone 6.1 ug/L Chromium 8.55 ug/L 1,1-Dichloroethane 13.0 ug/L Vanadium 17.5 ug/L cis-1,2-Dichloroethylene 18.0 ug/L Trichloroethylene (TCE) 20.0 ug/L 1,2-Dichloroethene 21.0 ug/L Aluminum 25.5 ug/L Bromobenzene 37.7 ug/L Barium 105.0 ug/L Iron 145.0 ug/L

Soil: Risk Not Evaluated

Contaminants: DDE 0.0032 mg/kg Aroclor 1016 0.078 mg/kg Beryllium and compounds 0.325 mg/kg Bis(2-Ethylhexyl)Phthalate 0.43 mg/kg Cadmium and compounds 0.61 mg/kg Cyanide (free) 0.64 mg/kg Biphenyl, polychloro- 1.4000000000000001 mg/kg Naphthalene 2.41 mg/kg Dibutyl Phthalate 3.1 mg/kg Molybdenum 5.9 mg/kg Cobalt 9.4 mg/kg Copper and compounds 26.5 mg/kg Chromium 35.0 mg/kg Zinc 35.5 mg/kg Nickel (Soluble Salts) 38.0 mg/kg Vanadium 39.0 mg/kg Lead 57.9975 mg/kg Barium 158.5 mg/kg Manganese and compounds 175.0 mg/kg Aluminum 9450.0 mg/kg Iron 20000.0 mg/kg

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Site ID: SS104

ENTOMOLOGY STORAGE AREA

Spill Site Area

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Site ID: SS095

RAD STORAGE AREA

Spill Site Area

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,1-Dichloroethylene 0.039 ug/L Benzene, methyl- 0.0745 ug/L Trichlorofluoromethane 0.102 ug/L Antimony and compounds 0.16 ug/L Benzene 0.18 ug/L cis-1,2-Dichloroethylene 0.184 ug/L Chloromethane (methyl chloride) 0.2045 ug/L Carbon Dichloride 0.255 ug/L Cobalt 0.3 ug/L Methylene Chloride 0.321 ug/L Cadmium and compounds 0.4 ug/L Copper and compounds 0.41 ug/L Chloroethane 0.439 ug/L Selenium 0.62 ug/L Beryllium and compounds 0.9 ug/L Trichloroethylene (TCE) 1.09 ug/L Lead 1.7 ug/L Molybdenum 1.7 ug/L Manganese and compounds 2.4 ug/L 2-Hexanone 2.75 ug/L Aluminum 2.9 ug/L Zinc 3.9 ug/L Arsenic 4.1 ug/L Barium 9.9 ug/L Chromium 11.0 ug/L Vanadium 14.0 ug/L Benzene, chloro- 18.1 ug/L Iron 200.0 ug/L Nickel (Soluble Salts) 300.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 2.15e-06 mg/kg Indeno(1,2,3-cd)Pyrene 0.004 mg/kg DDT 0.004900000000000001 mg/kg Benzo(a)Pyrene 0.008400000000000001 mg/kg Benzo(def)Phenanthrene 0.009800000000000001 mg/kg 1,2-Benzacenaphthene 0.011 mg/kg Anthracene 0.033 mg/kg Fluorene 0.076 mg/kg Naphthalene 0.1 mg/kg Molybdenum 0.198 mg/kg Cadmium and compounds 0.247 mg/kg Beryllium and compounds 0.323 mg/kg Arsenic 1.79 mg/kg Cobalt 6.12 mg/kg Copper and compounds 14.6 mg/kg Nickel (Soluble Salts) 21.1 mg/kg Chromium 25.6 mg/kg Vanadium 36.2 mg/kg Zinc 46.300000000000004 mg/kg Lead 87.10000000000001 mg/kg Barium 105.0 mg/kg Manganese and compounds 196.0 mg/kg Iron 15100.0 mg/kg Aluminum 15700.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 2.56e-07 mg/kg Indeno(1,2,3-cd)Pyrene 0.068 mg/kg Benz(a)Anthracene 0.0735 mg/kg 2,3-Benzofluoranthene 0.0755 mg/kg 8,9-Benzofluoranthene 0.0922 mg/kg Chrysene 0.1085 mg/kg Benzo(a)Pyrene 0.213 mg/kg Benzo(def)Phenanthrene 0.243 mg/kg Beryllium and compounds 0.356 mg/kg 1,2-Benzacenaphthene 0.425 mg/kg Benzene, 1,2,4-trichloro- 1.7 mg/kg Arsenic 1.7850000000000001 mg/kg Cadmium and compounds 2.4 mg/kg Cobalt 5.015 mg/kg Lead 5.86 mg/kg Copper and compounds 14.1 mg/kg Nickel (Soluble Salts) 23.1 mg/kg Chromium 29.95 mg/kg Vanadium 38.15 mg/kg Zinc 56.4 mg/kg Manganese and compounds 96.9 mg/kg Barium 107.15 mg/kg Biphenyl, polychloro- 540.0 mg/kg Aluminum 15650.0 mg/kg Iron 18850.0 mg/kg

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Site ID: SS096

BCE/PCE STORAGE

Spill Site Area

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: cis-1,2-Dichloroethylene 0.1135 ug/L Antimony and compounds 0.13 ug/L Methylene Chloride 0.21 ug/L Freon 113 0.362 ug/L Lead 0.64 ug/L 1,1-Dichloroethylene 0.6625 ug/L Cobalt 1.5475 ug/L Acetone 2.23 ug/L Copper and compounds 2.835 ug/L Molybdenum 4.1 ug/L Arsenic 5.15 ug/L Trichloroethylene (TCE) 12.8 ug/L Benzene, chloro- 16.0 ug/L Zinc 19.0 ug/L Nickel (Soluble Salts) 22.75 ug/L Manganese and compounds 25.525 ug/L Barium 28.0 ug/L Vanadium 28.5 ug/L Chromium 43.0 ug/L Selenium 149.575 ug/L Beryllium and compounds 256.35 ug/L Aluminum 292.0 ug/L Iron 417.3333333 ug/L Cadmium and compounds 1670.93 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Beryllium and compounds 0.20350000000000001 mg/kg Silver and compounds 0.54 mg/kg Molybdenum 1.57 mg/kg Cobalt 5.43 mg/kg Nickel (Soluble Salts) 22.900000000000002 mg/kg Copper and compounds 24.6 mg/kg Vanadium 36.6 mg/kg Chromium 37.95 mg/kg Zinc 78.5 mg/kg Barium 94.10000000000001 mg/kg Manganese and compounds 200.5 mg/kg Lead 207.0 mg/kg Aluminum 10400.0 mg/kg Iron 13300.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: 1,2-Benzacenaphthene 0.0011 mg/kg Benzo(def)Phenanthrene 0.0012 mg/kg Chrysene 0.0014 mg/kg Benzene 0.0148 mg/kg DDD 0.018000000000000002 mg/kg Silver and compounds 0.042 mg/kg Selenium 0.073 mg/kg Cadmium and compounds 0.079 mg/kg Antimony and compounds 0.10400000000000001 mg/kg Bis(2-Ethylhexyl)Phthalate 0.4 mg/kg Beryllium and compounds 0.43 mg/kg Molybdenum 0.6 mg/kg Arsenic 2.7 mg/kg Naphthalene 2.7600000000000002 mg/kg Lead 5.05 mg/kg Cobalt 6.7 mg/kg Dibutyl Phthalate 8.8 mg/kg Copper and compounds 13.5 mg/kg Nickel (Soluble Salts) 19.05 mg/kg Chromium 23.0 mg/kg Zinc 25.5 mg/kg Vanadium 37.5 mg/kg Barium 124.0 mg/kg Manganese and compounds 185.0 mg/kg Aluminum 11150.0 mg/kg Iron 16400.0 mg/kg

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Site ID: SS121

OIL DRUM STORAGE

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene 0.08 ug/L 1,2-Dichloroethane (EDC) 0.117 ug/L Lead 0.15 ug/L Methylene Chloride 0.195 ug/L Cobalt 0.22 ug/L Benzene, 1,2,4-trichloro- 0.244 ug/L cis-1,2-Dichloroethylene 0.27 ug/L Molybdenum 0.33 ug/L Bromoform 0.359 ug/L Chloroform 0.41 ug/L Carbon Tetrachloride 0.47 ug/L 1,1-Dichloroethylene 0.5 ug/L 1,1-Dichloroethane 0.54 ug/L Copper and compounds 0.61 ug/L Selenium 0.61 ug/L Cadmium and compounds 0.71 ug/L Antimony and compounds 0.79 ug/L Benzene, methyl- 0.91 ug/L Manganese and compounds 2.0 ug/L Aluminum 2.1 ug/L Acetone 2.2 ug/L Beryllium and compounds 2.7 ug/L Arsenic 4.5 ug/L Trichloroethylene (TCE) 6.8 ug/L Zinc 9.6 ug/L Nickel (Soluble Salts) 14.0 ug/L Chromium 14.0 ug/L Vanadium 23.0 ug/L Barium 51.0 ug/L Iron 64.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Anthracene 0.0009000000000000001 mg/kg DDE 0.003 mg/kg Methylene Chloride 0.00375 mg/kg DDD 0.004900000000000001 mg/kg Benz(a)Anthracene 0.0070999999999999995 mg/kg 8,9-Benzofluoranthene 0.0073 mg/kg Benzo(def)Phenanthrene 0.014 mg/kg 1,2-Benzacenaphthene 0.014 mg/kg Benzo(a)Pyrene 0.016 mg/kg DDT 0.017 mg/kg Chrysene 0.019 mg/kg 2,3-Benzofluoranthene 0.026000000000000002 mg/kg Beryllium and compounds 0.5475 mg/kg Molybdenum 1.3 mg/kg Naphthalene 3.025 mg/kg Arsenic 4.45 mg/kg Cobalt 9.450000000000001 mg/kg Lead 11.5 mg/kg Copper and compounds 17.55 mg/kg Chromium 29.650000000000002 mg/kg Nickel (Soluble Salts) 31.650000000000002 mg/kg Zinc 35.050000000000004 mg/kg Vanadium 50.175000000000004 mg/kg Barium 237.675 mg/kg Manganese and compounds 341.66666667000004 mg/kg Aluminum 14975.0 mg/kg Iron 19850.0 mg/kg

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Site ID: SS089

TREAT. PLANT/SLUDGE BEDS

Spill Site Area

Cost

$15K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cobalt 0.054 ug/L Benzene, chloro- 0.0611 ug/L Benzene 0.108 ug/L 1,2-Dichlorobenzene 0.122 ug/L Carbon Dichloride 0.144 ug/L Benzene, methyl- 0.157 ug/L 1,1-Dichloroethane 0.21 ug/L Trichloroethylene (TCE) 0.21 ug/L Antimony and compounds 0.22 ug/L Bromoform 0.226 ug/L Carbon Tetrachloride 0.23 ug/L Nickel (Soluble Salts) 0.23 ug/L 1,2-trans-dichloroethylene 0.24 ug/L Beryllium and compounds 0.3 ug/L Dichloropropane 0.32 ug/L Lead 0.33 ug/L 1,1,2-Trichloroethane 0.33 ug/L 1,2-Dichloroethane (EDC) 0.335 ug/L Manganese and compounds 0.34 ug/L Molybdenum 0.35 ug/L Methylene Chloride 0.414 ug/L Benzene, 1,2,4-trichloro- 0.44 ug/L Chloroform 0.44 ug/L Copper and compounds 0.6 ug/L Selenium 0.6 ug/L Cadmium and compounds 0.78 ug/L Chloromethane (methyl chloride) 0.91 ug/L cis-1,2-Dichloroethylene 1.1 ug/L Acetone 2.1 ug/L 1,4-Diethylene Dioxide 2.6 ug/L Arsenic 3.6 ug/L Aluminum 6.3 ug/L Zinc 9.8 ug/L Chromium 14.0 ug/L Vanadium 26.0 ug/L Bromobenzene 27.35 ug/L Iron 38.0 ug/L Barium 49.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Trichlorofluoromethane 0.009000000000000001 mg/kg Dibenz[ah]anthracene 0.015 mg/kg Methylene Chloride 0.018000000000000002 mg/kg Indeno(1,2,3-cd)Pyrene 0.039 mg/kg 8,9-Benzofluoranthene 0.042 mg/kg Silver and compounds 0.052000000000000005 mg/kg Benz(a)Anthracene 0.061 mg/kg Chrysene 0.074 mg/kg Benzo(a)Pyrene 0.08 mg/kg 1,2-Benzacenaphthene 0.083 mg/kg Benzo(def)Phenanthrene 0.092 mg/kg 1,1,1-Trichloroethane 0.109 mg/kg 2,3-Benzofluoranthene 0.12 mg/kg Cadmium and compounds 0.16 mg/kg Selenium 0.18 mg/kg Aroclor 1254 0.2366666667 mg/kg Beryllium and compounds 0.26 mg/kg Molybdenum 0.35000000000000003 mg/kg Bis(2-Ethylhexyl)Phthalate 1.5 mg/kg Arsenic 5.5 mg/kg Cobalt 8.0 mg/kg Copper and compounds 19.0 mg/kg Nickel (Soluble Salts) 28.0 mg/kg Chromium 30.0 mg/kg Zinc 31.0 mg/kg Vanadium 38.0 mg/kg Bromobenzene 84.333333333 mg/kg Barium 94.0 mg/kg Lead 136.66666667 mg/kg Manganese and compounds 410.0 mg/kg Aluminum 8100.0 mg/kg Iron 16000.0 mg/kg

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Site ID: SS093

ELECTROPLATING SHOP

Spill Site Area

Cost

$14K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2017

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Antimony and compounds 0.22 ug/L Chloroform 0.25 ug/L Lead 0.3 ug/L Selenium 0.35 ug/L Beryllium and compounds 0.39 ug/L Silver and compounds 0.44 ug/L Bromodichloromethane 0.45 ug/L Molybdenum 0.59 ug/L Carbon Dichloride 0.6 ug/L 1,2-trans-dichloroethylene 0.66 ug/L Chloromethane (methyl chloride) 0.68 ug/L Cobalt 1.0 ug/L Methylene Chloride 1.1 ug/L Chlorodibromomethane 1.7 ug/L Copper and compounds 1.9 ug/L 1,4-Diethylene Dioxide 2.6 ug/L Cadmium and compounds 2.7 ug/L Acetone 3.2 ug/L Manganese and compounds 3.2 ug/L Trichloroethylene (TCE) 3.3 ug/L Arsenic 3.5 ug/L Bromoform 3.5 ug/L Bromobenzene 15.0 ug/L Nickel (Soluble Salts) 16.0 ug/L cis-1,2-Dichloroethylene 21.0 ug/L Aluminum 24.0 ug/L Vanadium 24.0 ug/L Chromium 74.0 ug/L Barium 84.0 ug/L Iron 210.0 ug/L Zinc 440.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Trichloroethylene (TCE) 0.001 mg/kg cis-1,2-Dichloroethylene 0.00385 mg/kg Trichlorofluoromethane 0.00526 mg/kg Methylene Chloride 0.0132 mg/kg Benzene, methyl- 0.0415 mg/kg Carbon Dichloride 0.04820000000000001 mg/kg Acetone 0.0495 mg/kg Naphthalene 0.11062000000000001 mg/kg Cumene 0.155 mg/kg Beryllium and compounds 0.3333333333 mg/kg 1,3,5-Trimethylbenzene 0.515 mg/kg 1,2,4-Trimethylbenzene 0.660875 mg/kg Silver and compounds 0.8 mg/kg Cadmium and compounds 1.0008 mg/kg sec-Butylbenzene 1.025 mg/kg Molybdenum 2.5 mg/kg Arsenic 5.4014 mg/kg Cyanide (free) 7.4 mg/kg Cobalt 9.0 mg/kg Lead 9.94 mg/kg Antimony and compounds 18.0 mg/kg Nickel (Soluble Salts) 28.0 mg/kg Chromium 29.666666667 mg/kg Copper and compounds 36.666666667 mg/kg Vanadium 55.666666667 mg/kg Zinc 70.666666667 mg/kg Barium 138.33333333 mg/kg Manganese and compounds 436.0 mg/kg Aluminum 12476.666667 mg/kg Iron 20033.333333000002 mg/kg

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Site ID: SS088

ACID STORAGE WAREHOUSE

Spill Site Area

Cost

$15K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Antimony and compounds 0.075 ug/L Cobalt 0.09 ug/L 1,2-trans-dichloroethylene 0.112 ug/L Lead 0.165 ug/L Methylene Chloride 0.279 ug/L Copper and compounds 0.29 ug/L Carbon Dichloride 0.54 ug/L Chloromethane (methyl chloride) 0.542 ug/L Chloroform 0.832 ug/L Chromium 1.1 ug/L Vanadium 1.1 ug/L Nickel (Soluble Salts) 1.45 ug/L Aluminum 1.5 ug/L Zinc 1.7 ug/L Molybdenum 1.8 ug/L Arsenic 2.0 ug/L Carbon Tetrachloride 2.14 ug/L Trichloroethylene (TCE) 3.5 ug/L Acetone 5.4 ug/L cis-1,2-Dichloroethylene 7.8 ug/L Barium 66.0 ug/L Manganese and compounds 190.0 ug/L Iron 1400.0 ug/L

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Site ID: SS182

PAINT SHOP

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,2,3-Trichloropropane 0.052 ug/L Benzene, methyl- 0.0862 ug/L Methylene Chloride 0.126 ug/L 1,2-Dichloroethane (EDC) 0.138 ug/L Cadmium and compounds 0.14 ug/L 1,1,1-Trichloroethane 0.192 ug/L 1,2-Dichloroethene 0.2 ug/L Chloroform 0.218 ug/L Trichlorofluoromethane 0.33 ug/L 1,1,2,2-Tetrachloroethane 0.36 ug/L Chloroethane 0.38 ug/L Selenium 0.43 ug/L cis-1,2-Dichloroethylene 0.46 ug/L Chloromethane (methyl chloride) 0.58 ug/L Lead 0.62 ug/L Carbon Tetrachloride 0.64 ug/L Molybdenum 0.72 ug/L Trichloroethylene (TCE) 0.84 ug/L Copper and compounds 0.92 ug/L Carbon Dichloride 1.3 ug/L Antimony and compounds 1.3 ug/L Nickel (Soluble Salts) 1.4 ug/L Beryllium and compounds 1.5 ug/L 1,1-Dichloroethylene 3.08 ug/L Acetone 3.4 ug/L Methyl Ethyl Ketone 3.4 ug/L Cobalt 3.7 ug/L Arsenic 5.8 ug/L Manganese and compounds 7.3 ug/L Aluminum 8.5 ug/L Chromium 14.0 ug/L Zinc 16.0 ug/L Vanadium 23.0 ug/L Barium 24.0 ug/L Iron 36.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Bis(2-Ethylhexyl)Phthalate 0.0383333333 mg/kg Silver and compounds 0.0655 mg/kg Selenium 0.07 mg/kg Cadmium and compounds 0.12 mg/kg Molybdenum 0.255 mg/kg Antimony and compounds 0.265 mg/kg Carbon Dichloride 0.39605 mg/kg Beryllium and compounds 0.465 mg/kg Arsenic 2.95 mg/kg Lead 7.25 mg/kg Biphenyl, polychloro- 8.2 mg/kg Cobalt 11.8 mg/kg Copper and compounds 15.5 mg/kg Nickel (Soluble Salts) 23.5 mg/kg Chromium 29.5 mg/kg Zinc 32.5 mg/kg Vanadium 54.5 mg/kg Barium 130.0 mg/kg Manganese and compounds 325.0 mg/kg Aluminum 12000.0 mg/kg Iron 21500.0 mg/kg

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Site ID: SS183

PAINT STORAGE/BOILER

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2015

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Acetone 0.0070999999999999995 mg/kg Silver and compounds 0.0793333333 mg/kg Cadmium and compounds 0.098 mg/kg Bis(2-Ethylhexyl)Phthalate 0.14 mg/kg Beryllium and compounds 0.35000000000000003 mg/kg Carbon Dichloride 1.2514 mg/kg Arsenic 1.4333333333 mg/kg Naphthalene 2.99 mg/kg Lead 4.0333333333 mg/kg Trichloroethylene (TCE) 5.6692666667000005 mg/kg Cobalt 8.5 mg/kg Copper and compounds 16.333333333000002 mg/kg Nickel (Soluble Salts) 19.0 mg/kg Chromium 24.333333333 mg/kg Zinc 32.0 mg/kg Vanadium 62.333333333000006 mg/kg Barium 153.33333333 mg/kg Manganese and compounds 250.0 mg/kg Aluminum 12000.0 mg/kg Iron 20666.666667 mg/kg

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Site ID: SS187

HAZARDOUS MAT. STORAGE

Spill Site Area

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2017

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Naphthalene 0.16 ug/L 1,1-Dichloroethylene 0.2 ug/L Dichloropropane 0.23 ug/L 1,2-trans-dichloroethylene 0.24 ug/L Molybdenum 0.31 ug/L Selenium 0.32 ug/L Chloromethane (methyl chloride) 0.37 ug/L Carbon Tetrachloride 0.39 ug/L Benzene, methyl- 0.4 ug/L Copper and compounds 0.41 ug/L Lead 0.42 ug/L 1,2-Dichloroethane (EDC) 0.45 ug/L Cadmium and compounds 0.45 ug/L Carbon Dichloride 0.48 ug/L Benzene 0.5615 ug/L Antimony and compounds 0.57 ug/L Methylene Chloride 0.63 ug/L Chloroform 1.0 ug/L Nickel (Soluble Salts) 1.2 ug/L 1,4-Diethylene Dioxide 2.2 ug/L Benzene, 1,2,4-trichloro- 2.3 ug/L Cobalt 2.6 ug/L Arsenic 3.5 ug/L 1,1-Dichloroethane 3.5 ug/L Manganese and compounds 8.1 ug/L Zinc 8.8 ug/L Trichloroethylene (TCE) 10.0 ug/L Aluminum 11.0 ug/L Chromium 11.0 ug/L cis-1,2-Dichloroethylene 12.0 ug/L Acetone 15.0 ug/L Bromobenzene 22.4 ug/L Vanadium 23.0 ug/L 1,2-Dichloroethene 26.0 ug/L Barium 48.0 ug/L Iron 77.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Acenaphthene 0.0003 mg/kg Fluorene 0.0003 mg/kg Anthracene 0.0006500000000000001 mg/kg Indeno(1,2,3-cd)Pyrene 0.00135 mg/kg 8,9-Benzofluoranthene 0.0017 mg/kg 2-Methylnaphthalene 0.0024 mg/kg Benz(a)Anthracene 0.0025 mg/kg 2,3-Benzofluoranthene 0.0030499999999999998 mg/kg Benzo(a)Pyrene 0.0038 mg/kg Benzo(def)Phenanthrene 0.0077 mg/kg 1,2-Benzacenaphthene 0.0081 mg/kg Chrysene 0.0094 mg/kg Dibenz[ah]anthracene 0.021050000000000003 mg/kg Benzene, methyl- 0.02115 mg/kg Silver and compounds 0.027 mg/kg Butyl Benzyl Phthalate 0.04 mg/kg Selenium 0.044 mg/kg Bis(2-Ethylhexyl)Phthalate 0.0935 mg/kg Cadmium and compounds 0.12 mg/kg Antimony and compounds 0.16 mg/kg Molybdenum 0.29 mg/kg Beryllium and compounds 0.29 mg/kg Arsenic 1.6 mg/kg Naphthalene 3.025 mg/kg Dibutyl Phthalate 3.2 mg/kg Lead 6.3 mg/kg Cobalt 8.700000000000001 mg/kg Nickel (Soluble Salts) 17.0 mg/kg Chromium 17.0 mg/kg Copper and compounds 19.0 mg/kg Zinc 46.0 mg/kg Vanadium 48.0 mg/kg Barium 130.0 mg/kg Manganese and compounds 360.0 mg/kg Aluminum 12000.0 mg/kg Iron 22000.0 mg/kg

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Site ID: SS122

OIL DRUM STORAGE

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,2-Dichloroethane (EDC) 0.1 ug/L Cadmium and compounds 0.13 ug/L Chloromethane (methyl chloride) 0.2 ug/L Nickel (Soluble Salts) 0.23 ug/L Molybdenum 0.24 ug/L Bromomethane 0.3 ug/L Trichlorofluoromethane 0.3 ug/L cis-1,2-Dichloroethylene 0.36 ug/L Cobalt 0.37 ug/L 1,2-Dichloroethene 0.39 ug/L Antimony and compounds 0.39 ug/L Benzene, methyl- 0.4 ug/L Lead 0.42 ug/L Bromoform 0.47 ug/L Carbon Disulfide 0.7 ug/L Naphthalene 0.7 ug/L Carbon Tetrachloride 0.72 ug/L Chloroform 0.81 ug/L Methylene Chloride 1.1 ug/L Manganese and compounds 1.2 ug/L Arsenic 1.4 ug/L Zinc 1.7 ug/L Selenium 1.8 ug/L Trichloroethylene (TCE) 2.4 ug/L Acetone 3.1 ug/L Copper and compounds 3.3 ug/L Chromium 11.0 ug/L Vanadium 18.0 ug/L Aluminum 21.0 ug/L Iron 28.0 ug/L Barium 46.0 ug/L Bromobenzene 74000.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.32 mg/kg Beryllium and compounds 0.44 mg/kg Cobalt 9.315 mg/kg Lead 12.205 mg/kg Copper and compounds 17.25 mg/kg Nickel (Soluble Salts) 21.995 mg/kg Chromium 22.05 mg/kg Zinc 36.9 mg/kg Vanadium 40.4 mg/kg Bromobenzene 86.5 mg/kg Barium 231.0 mg/kg Manganese and compounds 440.0 mg/kg Aluminum 12200.0 mg/kg Iron 16650.0 mg/kg

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Site ID: SS123

DRUM STORAGE

Spill Site Area

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, chloro- 0.405 ug/L 1,2-Dichloroethane (EDC) 0.717 ug/L 1,1,2-Trichloroethane 0.945 ug/L Carbon Tetrachloride 2.61 ug/L Dichloropropane 3.25 ug/L 1,2-trans-dichloroethylene 4.95 ug/L Acetone 17.0 ug/L Chloroform 32.4 ug/L cis-1,2-Dichloroethylene 58.4 ug/L Trichloroethylene (TCE) 478.0 ug/L

Soil: Risk Not Evaluated

Contaminants: DDT 0.0012 mg/kg Benz(a)Anthracene 0.003 mg/kg Indeno(1,2,3-cd)Pyrene 0.0031000000000000003 mg/kg 8,9-Benzofluoranthene 0.0034 mg/kg Benzo(a)Pyrene 0.0063 mg/kg 1,1,1-Trichloroethane 0.00655 mg/kg Chrysene 0.0070999999999999995 mg/kg Benzo(def)Phenanthrene 0.007200000000000001 mg/kg 1,2-Benzacenaphthene 0.009000000000000001 mg/kg 2,3-Benzofluoranthene 0.011 mg/kg Anthracene 0.02 mg/kg Methyl Ethyl Ketone 0.024 mg/kg Naphthalene 0.036000000000000004 mg/kg Dibenz[ah]anthracene 0.037 mg/kg Acetone 0.08 mg/kg Fluorene 0.08600000000000001 mg/kg Acenaphthene 0.13 mg/kg Beryllium and compounds 0.2433333333 mg/kg Aroclor 1254 0.5700000000000001 mg/kg Bis(2-Ethylhexyl)Phthalate 0.73 mg/kg Molybdenum 0.81 mg/kg Cadmium and compounds 0.89 mg/kg Arsenic 4.925 mg/kg Cobalt 7.7633333333 mg/kg Lead 13.216666667 mg/kg Copper and compounds 14.9014 mg/kg Nickel (Soluble Salts) 17.6 mg/kg Chromium 22.400000000000002 mg/kg Silver and compounds 24.0 mg/kg Vanadium 35.2555 mg/kg Zinc 43.633333333 mg/kg Bromobenzene 84.0 mg/kg Barium 86.03525 mg/kg Manganese and compounds 190.535 mg/kg Aluminum 9435.505000000001 mg/kg Iron 13576.655 mg/kg

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Site ID: SS168

W OF BLDG. 720

Spill Site Area

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, methyl- 0.194 ug/L Ethyl benzene 0.53 ug/L Benzene 0.559 ug/L

Soil: Risk Not Evaluated

Contaminants: Dibenzo(b,e)(1,4)dioxin,2,3,7,8-tetrachloro- 8.2e-07 mg/kg 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 4.05e-06 mg/kg Cumene 0.00322 mg/kg Methylene Chloride 0.0033933333 mg/kg sec-Butylbenzene 0.00487 mg/kg 1-Phenylpropane 0.00552 mg/kg n-Butylbenzene 0.00768 mg/kg Diethyl Phthalate 0.016100000000000003 mg/kg Bis(2-Ethylhexyl)Phthalate 0.0464 mg/kg Cadmium and compounds 0.056 mg/kg Fluorene 0.061 mg/kg Acetone 0.07395 mg/kg Beryllium and compounds 0.31 mg/kg Antimony and compounds 0.385 mg/kg Molybdenum 0.39 mg/kg Aroclor 1254 0.43 mg/kg Naphthalene 0.53 mg/kg Butyl Benzyl Phthalate 0.6 mg/kg Silver and compounds 1.1 mg/kg Arsenic 1.3 mg/kg Dibutyl Phthalate 1.44 mg/kg Lead 2.9 mg/kg Methanol 3.6 mg/kg 2-Methylnaphthalene 4.4 mg/kg Benzidine 4.9 mg/kg Cobalt 7.0 mg/kg Ethyl benzene 13.0 mg/kg Nickel (Soluble Salts) 14.4 mg/kg Chromium 18.5 mg/kg Copper and compounds 21.7 mg/kg Vanadium 21.8 mg/kg Zinc 25.6 mg/kg Barium 82.9 mg/kg Manganese and compounds 164.0 mg/kg Iron 15300.0 mg/kg Aluminum 18900.0 mg/kg

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Site ID: SS124

NEW MUSEUM SITE

Spill Site Area

Cost

$236K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2017

This site is under ongoing monitoring until Sep 2046

Site ID: SS215

CHEMICAL STORAGE TANK

Spill Site Area

Cost

$14K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Ethyl benzene 0.0621 ug/L 1,2-trans-dichloroethylene 0.0735 ug/L Cadmium and compounds 0.095 ug/L Benzene, methyl- 0.1 ug/L Trichlorofluoromethane 0.108 ug/L 1,2-Dichloroethane (EDC) 0.12 ug/L 1,1-Dichloroethylene 0.139 ug/L Freon 113 0.189 ug/L Benzene 0.207 ug/L Silver and compounds 0.21 ug/L Methylene Chloride 0.21 ug/L Carbon Dichloride 0.22 ug/L Molybdenum 0.27 ug/L Antimony and compounds 0.28 ug/L Copper and compounds 0.34 ug/L Chloromethane (methyl chloride) 0.34 ug/L o-Xylene 0.3995 ug/L Vinyl 2-Chloroethyl Ether 0.5 ug/L Hexachlorobutadiene 0.557 ug/L Chlorodibromomethane 0.62 ug/L cis-1,2-Dichloroethylene 0.68 ug/L Chloroform 0.87 ug/L 1,3,5-Trimethylbenzene 0.9496667 ug/L Bromoform 0.965 ug/L Lead 1.1 ug/L Selenium 1.2 ug/L Cobalt 1.3 ug/L Beryllium and compounds 1.5 ug/L Trichloroethylene (TCE) 1.7 ug/L Carbon Tetrachloride 2.2 ug/L Aluminum 2.5 ug/L Zinc 2.7 ug/L Arsenic 2.9 ug/L 1,2,4-Trimethylbenzene 3.02 ug/L 1,2-Dichloroethene 3.7 ug/L Acetone 3.9 ug/L Chromium 6.1 ug/L Manganese and compounds 15.0 ug/L Vanadium 16.0 ug/L Barium 52.0 ug/L Nickel (Soluble Salts) 190.0 ug/L Iron 320.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Acenaphthene 0.0044 mg/kg Fluorene 0.0064 mg/kg Benzene, methyl- 0.006900000000000001 mg/kg Naphthalene 0.0081 mg/kg 1,1,1-Trichloroethane 0.008199999999999999 mg/kg Indeno(1,2,3-cd)Pyrene 0.019 mg/kg Benzo(a)Pyrene 0.02 mg/kg Anthracene 0.03 mg/kg 8,9-Benzofluoranthene 0.031 mg/kg 2-Methylnaphthalene 0.042 mg/kg Chloroform 0.045 mg/kg Benz(a)Anthracene 0.052000000000000005 mg/kg Bis(2-Ethylhexyl)Phthalate 0.0665 mg/kg 1,2-Benzacenaphthene 0.068 mg/kg Chrysene 0.0725 mg/kg Benzo(def)Phenanthrene 0.0745 mg/kg 2,3-Benzofluoranthene 0.084 mg/kg Silver and compounds 0.13 mg/kg Cadmium and compounds 0.26 mg/kg Beryllium and compounds 0.47350000000000003 mg/kg Molybdenum 0.725 mg/kg Arsenic 3.35 mg/kg Lead 7.5 mg/kg Cobalt 8.275 mg/kg Copper and compounds 20.033333332999998 mg/kg Nickel (Soluble Salts) 20.966666667000002 mg/kg Chromium 23.6 mg/kg Zinc 38.95 mg/kg Vanadium 54.800000000000004 mg/kg Barium 139.73333333 mg/kg Manganese and compounds 305.0 mg/kg Aluminum 10715.0 mg/kg Iron 18600.0 mg/kg

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Site ID: SS199

MOTOR POOL

Spill Site Area

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Freon 113 0.0987 ug/L Antimony and compounds 0.099 ug/L Cobalt 0.13 ug/L Methylene Chloride 0.186 ug/L Trichlorofluoromethane 0.205 ug/L Dichlorodifluoromethane 0.28 ug/L Carbon Dichloride 0.33 ug/L Copper and compounds 0.41 ug/L Lead 0.48 ug/L Benzene, methyl- 0.5 ug/L Trichloroethylene (TCE) 0.51 ug/L Selenium 0.9 ug/L 1,2,4-Trimethylbenzene 1.0 ug/L Carbon Tetrachloride 1.1 ug/L Chloroform 1.4 ug/L Manganese and compounds 1.8 ug/L Acetone 2.53 ug/L Arsenic 3.5 ug/L Chromium 4.6 ug/L Nickel (Soluble Salts) 9.3 ug/L 1,2-Dichloroethane (EDC) 11.0 ug/L Zinc 14.0 ug/L Vanadium 21.0 ug/L Aluminum 28.0 ug/L Iron 110.0 ug/L Barium 180.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Dibenz[ah]anthracene 0.0013000000000000002 mg/kg Anthracene 0.0017 mg/kg Indeno(1,2,3-cd)Pyrene 0.0033 mg/kg 8,9-Benzofluoranthene 0.0035 mg/kg 2,3-Benzofluoranthene 0.004 mg/kg Benz(a)Anthracene 0.0044 mg/kg Chrysene 0.00455 mg/kg Benzo(a)Pyrene 0.005200000000000001 mg/kg 1,2-Benzacenaphthene 0.01 mg/kg Bis(2-Ethylhexyl)Phthalate 0.078 mg/kg Silver and compounds 0.3 mg/kg Molybdenum 0.31 mg/kg Cadmium and compounds 0.39 mg/kg Beryllium and compounds 0.545 mg/kg Arsenic 4.1 mg/kg Lead 8.6 mg/kg Cobalt 12.85 mg/kg Nickel (Soluble Salts) 29.7 mg/kg Chromium 29.8 mg/kg Copper and compounds 32.45 mg/kg Zinc 55.65 mg/kg Vanadium 56.45 mg/kg Barium 304.5 mg/kg Manganese and compounds 491.0 mg/kg Aluminum 19450.0 mg/kg Iron 24550.0 mg/kg

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Site ID: SS201

CHEMICAL STORAGE AREA

Spill Site Area

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Carbon Dichloride 0.518 ug/L

Soil: Risk Not Evaluated

Contaminants: Acetone 0.0032 mg/kg Beryllium and compounds 0.465 mg/kg Naphthalene 3.0700000000000003 mg/kg Cadmium and compounds 4.9 mg/kg Arsenic 7.45 mg/kg Cobalt 13.5 mg/kg Copper and compounds 19.5 mg/kg Nickel (Soluble Salts) 20.5 mg/kg Chromium 30.5 mg/kg Vanadium 49.5 mg/kg Lead 58.75 mg/kg Zinc 62.5 mg/kg Barium 130.0 mg/kg Manganese and compounds 285.0 mg/kg Aluminum 20000.0 mg/kg Iron 23500.0 mg/kg

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Site ID: SS205

SOIL CONTAMINATION

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,1,2-Trichloroethane 0.084 ug/L Beryllium and compounds 0.1 ug/L Silver and compounds 0.12 ug/L Methylene Chloride 0.13 ug/L 1,2-Dichloroethane (EDC) 0.176 ug/L Cadmium and compounds 0.2 ug/L Bromobenzene 0.209 ug/L 1,1-Dichloroethylene 0.234 ug/L Chlorodibromomethane 0.24 ug/L Lead 0.265 ug/L 1,2-trans-dichloroethylene 0.27 ug/L Bromodichloromethane 0.286 ug/L 1,2-Dichloroethene 0.35 ug/L Bromoform 0.398 ug/L Cobalt 0.42 ug/L Molybdenum 0.425 ug/L Copper and compounds 0.49 ug/L Carbon Tetrachloride 1.5 ug/L Antimony and compounds 1.6 ug/L Chloroform 1.8 ug/L Selenium 1.8 ug/L Manganese and compounds 2.1 ug/L Carbon Dichloride 2.3 ug/L cis-1,2-Dichloroethylene 2.6 ug/L Zinc 2.7 ug/L Aluminum 3.9 ug/L Acetone 4.3 ug/L Trichloroethylene (TCE) 4.9 ug/L Arsenic 5.0 ug/L Chromium 16.0 ug/L Nickel (Soluble Salts) 22.0 ug/L Vanadium 23.0 ug/L Barium 140.0 ug/L Iron 150.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Anthracene 0.0003 mg/kg o-Xylene 0.0064 mg/kg 2,3-Benzofluoranthene 0.009000000000000001 mg/kg Acetone 0.0167 mg/kg Benzene 0.0174 mg/kg 1,1,1-Trichloroethane 0.037 mg/kg Benz(a)Anthracene 0.0405 mg/kg Cumene 0.050466666699999996 mg/kg Ethyl benzene 0.0549 mg/kg Bis(2-Ethylhexyl)Phthalate 0.065 mg/kg Cadmium and compounds 0.11357142860000001 mg/kg Chrysene 0.1245 mg/kg 1,2-Benzacenaphthene 0.1568666667 mg/kg Benzo(def)Phenanthrene 0.305 mg/kg cis-1,2-Dichloroethylene 0.33 mg/kg Beryllium and compounds 0.38 mg/kg Molybdenum 1.6 mg/kg Hexanone 2.1 mg/kg 1,2,4-Trimethylbenzene 2.15485 mg/kg Acenaphthene 3.0152333333000003 mg/kg Arsenic 3.5 mg/kg 1,3,5-Trimethylbenzene 3.88 mg/kg 1-Phenylpropane 4.527 mg/kg sec-Butylbenzene 6.47 mg/kg Fluorene 6.5040000000000004 mg/kg Cobalt 7.9 mg/kg Nickel (Soluble Salts) 9.200000000000001 mg/kg Copper and compounds 11.5 mg/kg n-Butylbenzene 13.56 mg/kg Lead 15.05 mg/kg Chromium 17.1 mg/kg Naphthalene 22.538700000000002 mg/kg Zinc 23.6 mg/kg Vanadium 37.800000000000004 mg/kg Benzo(a)Pyrene 88.142857143 mg/kg Barium 116.0 mg/kg 2-Methylnaphthalene 117.72333333 mg/kg Manganese and compounds 356.0 mg/kg Aluminum 10700.0 mg/kg Iron 12500.0 mg/kg

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Site ID: SS213

LABORATORY

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Acetone 3.05 ug/L 1,1-Dichloroethane 11.0 ug/L cis-1,2-Dichloroethylene 30.0 ug/L Methylene Chloride 37.0 ug/L Benzene 52.0 ug/L Carbon Tetrachloride 96.0 ug/L Chloroform 120.19 ug/L 1,1-Dichloroethylene 340.0 ug/L Trichloroethylene (TCE) 1934.3166667 ug/L

Soil: Risk Not Evaluated

Contaminants: Dibutyl Phthalate 0.096 mg/kg Bis(2-Ethylhexyl)Phthalate 0.29 mg/kg Cadmium and compounds 0.31275000000000003 mg/kg Beryllium and compounds 0.46 mg/kg Silver and compounds 0.51 mg/kg N-Nitrosodiphenylamine 0.54 mg/kg Molybdenum 1.3 mg/kg Naphthalene 2.7166666667 mg/kg Arsenic 3.6833333333000002 mg/kg Cobalt 7.2 mg/kg Lead 12.225 mg/kg Antimony and compounds 14.0 mg/kg Copper and compounds 14.825000000000001 mg/kg Nickel (Soluble Salts) 15.775 mg/kg Chromium 22.5 mg/kg Zinc 33.3 mg/kg Vanadium 47.300000000000004 mg/kg Barium 175.75 mg/kg Manganese and compounds 283.5 mg/kg Aluminum 12365.0 mg/kg Iron 16475.0 mg/kg

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Site ID: SS203

JET MAINTENANCE FACILITY

Spill Site Area

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Dibenz[ah]anthracene 0.0003 mg/kg 2-Methylnaphthalene 0.0003 mg/kg Naphthalene 0.0006 mg/kg Benz(a)Anthracene 0.0008 mg/kg Acenaphthene 0.0008 mg/kg Fluorene 0.001 mg/kg 1,2-Benzacenaphthene 0.0015 mg/kg Anthracene 0.0016 mg/kg Benzo(def)Phenanthrene 0.0021000000000000003 mg/kg Indeno(1,2,3-cd)Pyrene 0.0025 mg/kg 2,3-Benzofluoranthene 0.003 mg/kg 8,9-Benzofluoranthene 0.0037 mg/kg Benzo(a)Pyrene 0.0040999999999999995 mg/kg Chrysene 0.0048 mg/kg Silver and compounds 0.093 mg/kg Antimony and compounds 0.11 mg/kg Cadmium and compounds 0.3133333333 mg/kg Beryllium and compounds 0.4375 mg/kg Bis(2-Ethylhexyl)Phthalate 0.67 mg/kg Molybdenum 0.766 mg/kg Arsenic 4.5333333333 mg/kg Lead 6.7333333333 mg/kg Cobalt 21.38 mg/kg Copper and compounds 23.233333333 mg/kg Nickel (Soluble Salts) 33.2 mg/kg Chromium 41.533333333 mg/kg Zinc 43.95 mg/kg Vanadium 54.5 mg/kg Barium 110.8 mg/kg Manganese and compounds 473.5 mg/kg Aluminum 11500.0 mg/kg Iron 21000.0 mg/kg

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Site ID: SS249

SPRAY BOOTHS

Spill Site Area

Cost

$15K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Acenaphthene 0.0006 mg/kg Anthracene 0.0007 mg/kg 2-Methylnaphthalene 0.0007 mg/kg Fluorene 0.00095 mg/kg Indeno(1,2,3-cd)Pyrene 0.0024 mg/kg Benzo(def)Phenanthrene 0.00315 mg/kg 8,9-Benzofluoranthene 0.0033 mg/kg 1,2-Benzacenaphthene 0.0036000000000000003 mg/kg Benzo(a)Pyrene 0.0039 mg/kg 2,3-Benzofluoranthene 0.0046 mg/kg Benz(a)Anthracene 0.0046 mg/kg Chrysene 0.0060999999999999995 mg/kg Bis(2-Ethylhexyl)Phthalate 0.046 mg/kg Silver and compounds 0.059000000000000004 mg/kg Naphthalene 0.062 mg/kg Cadmium and compounds 0.2 mg/kg Beryllium and compounds 0.4713333333 mg/kg Molybdenum 0.8190000000000001 mg/kg Arsenic 3.8000000000000003 mg/kg Lead 7.5 mg/kg Cobalt 9.51 mg/kg Chromium 14.05 mg/kg Nickel (Soluble Salts) 19.6 mg/kg Copper and compounds 25.85 mg/kg Vanadium 49.85 mg/kg Zinc 51.6 mg/kg Barium 215.0 mg/kg Manganese and compounds 371.0 mg/kg Aluminum 12650.0 mg/kg Iron 21050.0 mg/kg

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Site ID: SS253

SOIL CONTAMINATION

Spill Site Area

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Trichloroethylene (TCE) 0.0717 ug/L Antimony and compounds 0.073 ug/L Freon 113 0.122 ug/L Carbon Dichloride 0.141 ug/L Lead 0.205 ug/L Chlorodibromomethane 0.21 ug/L Cobalt 0.28 ug/L Chloroform 0.32 ug/L Copper and compounds 0.37 ug/L Bromoform 0.41 ug/L Selenium 0.69 ug/L Cadmium and compounds 1.1 ug/L Carbon Tetrachloride 1.2 ug/L Manganese and compounds 3.0 ug/L Arsenic 3.9 ug/L Zinc 4.3 ug/L Chromium 13.0 ug/L Nickel (Soluble Salts) 17.0 ug/L Vanadium 25.0 ug/L Barium 44.0 ug/L Aluminum 45.0 ug/L Iron 110.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.59 mg/kg Naphthalene 2.1433333333 mg/kg Cadmium and compounds 4.6000000000000005 mg/kg Lead 8.433333333299998 mg/kg Cobalt 9.6 mg/kg Arsenic 10.0 mg/kg Copper and compounds 11.333333333 mg/kg Zinc 28.0 mg/kg Nickel (Soluble Salts) 30.333333333 mg/kg Chromium 38.666666667 mg/kg Vanadium 57.0 mg/kg Barium 112.33333333 mg/kg Manganese and compounds 190.0 mg/kg Aluminum 17666.666667 mg/kg Iron 23666.666667 mg/kg

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Site ID: SS271

AOC H-10 (NEAR PALM STT/DUDLEY BLVD, INCLUDES BL)

Spill Site Area

Cost

$236K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2017

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Ethyl benzene 0.0593 ug/L Beryllium and compounds 0.063 ug/L Benzene, methyl- 0.08 ug/L Benzene 0.08 ug/L Carbon Disulfide 0.1 ug/L Naphthalene 0.11 ug/L Antimony and compounds 0.12 ug/L 1,1,1-Trichloroethane 0.125 ug/L Silver and compounds 0.15 ug/L Vinyl Chloride 0.196 ug/L Chloroform 0.21 ug/L 1,2-trans-dichloroethylene 0.25 ug/L Bromomethane 0.26 ug/L Dichlorodifluoromethane 0.27 ug/L o-Xylene 0.29 ug/L Freon 113 0.31 ug/L Bromodichloromethane 0.32 ug/L Lead 0.33 ug/L Cadmium and compounds 0.33 ug/L 1,1-Dichloroethylene 0.34 ug/L Molybdenum 0.41 ug/L Chlorodibromomethane 0.45 ug/L Benzene, 1,2,4-trichloro- 0.51 ug/L Trichlorofluoromethane 0.54 ug/L cis-1,2-Dichloroethylene 0.57 ug/L 1,1-Dichloroethane 0.66 ug/L Bromoform 0.673 ug/L Carbon Tetrachloride 0.78 ug/L Chloromethane (methyl chloride) 0.82 ug/L Methylene Chloride 0.85 ug/L Copper and compounds 0.9 ug/L Cobalt 1.0 ug/L Hexachlorobutadiene 1.4 ug/L Selenium 1.5 ug/L 1,2-Dichloroethene 1.6 ug/L Carbon Dichloride 2.1 ug/L Methyl Ethyl Ketone 2.1 ug/L Bis(2-Ethylhexyl)Phthalate 3.3 ug/L Arsenic 3.5 ug/L Zinc 3.7 ug/L 1,2-Dichloroethane (EDC) 4.1 ug/L Acetone 4.9 ug/L Chromium 10.0 ug/L Aluminum 11.0 ug/L Vanadium 18.0 ug/L Trichloroethylene (TCE) 23.0 ug/L Manganese and compounds 33.0 ug/L Iron 42.0 ug/L Barium 200.0 ug/L Nickel (Soluble Salts) 415.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Naphthalene 0.025 mg/kg Bis(2-Ethylhexyl)Phthalate 0.0265 mg/kg Benzo(def)Phenanthrene 0.0335 mg/kg Dibutyl Phthalate 0.077 mg/kg 2-Methylnaphthalene 0.1015 mg/kg 2,4-Dimethylphenol 0.19 mg/kg Diethyl Phthalate 0.25 mg/kg Beryllium and compounds 0.3433333333 mg/kg N-Nitrosodi-n-propylamine 0.59 mg/kg Molybdenum 0.7066666667 mg/kg Cadmium and compounds 0.99 mg/kg Arsenic 2.4 mg/kg Selenium 2.4 mg/kg Lead 6.25 mg/kg Cobalt 7.9333333333 mg/kg Nickel (Soluble Salts) 12.233333333000001 mg/kg Copper and compounds 15.966666667 mg/kg Chromium 17.3 mg/kg Zinc 31.5 mg/kg Vanadium 32.366666667000004 mg/kg Benzo(a)Pyrene 73.5 mg/kg Barium 138.86666667 mg/kg Manganese and compounds 270.66666667 mg/kg Aluminum 8176.6666667 mg/kg Iron 12966.666667 mg/kg

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Site ID: SS279

AOC H-5 (NEAR MAT C AND BUILDING 877)

Spill Site Area

Cost

$14K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Acenaphthene 0.0039666667000000004 mg/kg Dibenz[ah]anthracene 0.004900000000000001 mg/kg Anthracene 0.0094 mg/kg 2-Methylnaphthalene 0.0111 mg/kg Fluorene 0.01165 mg/kg 8,9-Benzofluoranthene 0.0173 mg/kg Indeno(1,2,3-cd)Pyrene 0.019 mg/kg Benzo(a)Pyrene 0.022 mg/kg Benz(a)Anthracene 0.0227 mg/kg 2,3-Benzofluoranthene 0.035 mg/kg Chrysene 0.05 mg/kg Dibutyl Phthalate 0.057 mg/kg Naphthalene 0.0575 mg/kg Benzenedicarboxylate 0.059000000000000004 mg/kg Butyl Benzyl Phthalate 0.063 mg/kg Benzo(def)Phenanthrene 0.0685333333 mg/kg 1,2-Benzacenaphthene 0.095 mg/kg Silver and compounds 0.1505 mg/kg Beryllium and compounds 0.3296666667 mg/kg Cadmium and compounds 0.4216666667 mg/kg Molybdenum 0.837 mg/kg Bis(2-Ethylhexyl)Phthalate 1.04 mg/kg Arsenic 2.1 mg/kg Cobalt 7.98 mg/kg Lead 10.533333333 mg/kg Copper and compounds 14.6 mg/kg Nickel (Soluble Salts) 17.400000000000002 mg/kg Chromium 23.133333333 mg/kg Zinc 38.800000000000004 mg/kg Vanadium 51.266666666999996 mg/kg Barium 129.26666667 mg/kg Manganese and compounds 305.0 mg/kg Aluminum 11970.0 mg/kg Iron 17900.0 mg/kg

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Site ID: SD130

AIRCRAFT MAINTENANCE AREA

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Anthracene 0.0002 mg/kg Aroclor 1254 0.0146 mg/kg Chrysene 0.046 mg/kg 1,2-Benzacenaphthene 0.06 mg/kg Diethyl Phthalate 0.074 mg/kg Benzo(def)Phenanthrene 0.08 mg/kg Silver and compounds 0.09 mg/kg Bis(2-Ethylhexyl)Phthalate 0.12 mg/kg Dibutyl Phthalate 0.165 mg/kg Cadmium and compounds 0.2933333333 mg/kg Beryllium and compounds 0.41600000000000004 mg/kg Molybdenum 0.72 mg/kg Arsenic 3.2333333333 mg/kg Lead 5.7666666667 mg/kg Selenium 7.6000000000000005 mg/kg Cobalt 8.34 mg/kg Copper and compounds 18.2 mg/kg Nickel (Soluble Salts) 25.1 mg/kg Chromium 30.933333333 mg/kg Zinc 44.300000000000004 mg/kg Vanadium 59.300000000000004 mg/kg Benzo(a)Pyrene 107.0 mg/kg Barium 157.0 mg/kg Manganese and compounds 434.0 mg/kg Aluminum 13950.0 mg/kg Iron 22850.0 mg/kg

Surface Water (Human): Risk Not Evaluated

Contaminants: Nickel (Soluble Salts) 1.8 ug/L Vanadium 1.8 ug/L Manganese and compounds 2.3 ug/L Copper and compounds 2.5 ug/L Barium 19.8 ug/L Zinc 38.5 ug/L Iron 38.9 ug/L

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Site ID: SD257

AIRCRAFT FLUIDS

Storm Drain

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2017

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,2-Dichloroethane (EDC) 0.108 ug/L Molybdenum 0.16 ug/L Cobalt 0.16 ug/L Freon 113 0.22 ug/L Antimony and compounds 0.3 ug/L 1,1-Dichloroethylene 0.33 ug/L Selenium 0.33 ug/L Nickel (Soluble Salts) 0.35 ug/L cis-1,2-Dichloroethylene 0.51 ug/L Chloroform 0.6 ug/L Copper and compounds 0.65 ug/L Manganese and compounds 0.97 ug/L Lead 1.0 ug/L Cadmium and compounds 1.6 ug/L Arsenic 1.8 ug/L Carbon Tetrachloride 2.6 ug/L Zinc 4.1 ug/L Acetone 5.37 ug/L Aluminum 7.7 ug/L Chromium 12.0 ug/L Iron 15.0 ug/L Vanadium 18.0 ug/L Trichloroethylene (TCE) 38.0 ug/L Barium 67.0 ug/L

Soil: Risk Not Evaluated

Contaminants: 8,9-Benzofluoranthene 0.0126 mg/kg Benzo(a)Pyrene 0.0291 mg/kg Chrysene 0.0375 mg/kg Aroclor 1254 0.041 mg/kg Dibenz[ah]anthracene 0.0506 mg/kg Naphthalene 0.0618 mg/kg Benzo(def)Phenanthrene 0.0829 mg/kg 1,2-Benzacenaphthene 0.124 mg/kg Dibenzofuran 0.31 mg/kg Indeno(1,2,3-cd)Pyrene 0.325 mg/kg Fluorene 0.468 mg/kg Beryllium and compounds 0.55 mg/kg Silver and compounds 0.76 mg/kg Acenaphthene 1.0 mg/kg 2,3-Benzofluoranthene 1.53 mg/kg Dibutyl Phthalate 1.7 mg/kg Cadmium and compounds 1.82675 mg/kg Anthracene 1.97 mg/kg Benz(a)Anthracene 2.25 mg/kg Bis(2-Ethylhexyl)Phthalate 3.1 mg/kg Molybdenum 4.65 mg/kg Cobalt 9.25 mg/kg Arsenic 10.6 mg/kg Nickel (Soluble Salts) 26.25 mg/kg Lead 35.304550000000006 mg/kg Vanadium 54.1 mg/kg Chromium 110.5 mg/kg Copper and compounds 122.25 mg/kg Zinc 266.0 mg/kg Manganese and compounds 309.5 mg/kg Barium 1090.0 mg/kg Aluminum 20000.0 mg/kg Iron 20500.0 mg/kg

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Site ID: SD194

HANGARS/STORAGE AREA

Storm Drain

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, chloro- 0.0706 ug/L Lead 0.091 ug/L Chloromethane (methyl chloride) 0.11 ug/L Antimony and compounds 0.12 ug/L Benzene, methyl- 0.139 ug/L Methylene Chloride 0.191 ug/L Carbon Tetrachloride 0.21 ug/L 1,2-Dichloroethane (EDC) 0.22 ug/L Vinyl Chloride 0.28 ug/L 1,2-trans-dichloroethylene 0.325 ug/L Carbon Dichloride 0.34 ug/L 1,1,1-Trichloroethane 0.34 ug/L Cadmium and compounds 0.345 ug/L Chloroform 0.44 ug/L Freon 113 0.46 ug/L Beryllium and compounds 0.6 ug/L Benzene 0.714 ug/L 1,1-Dichloroethylene 1.75 ug/L Cobalt 2.05 ug/L Zinc 2.15 ug/L Molybdenum 2.4 ug/L Arsenic 2.75 ug/L Selenium 3.1 ug/L cis-1,2-Dichloroethylene 5.8 ug/L 1,2-Dichloroethene 6.65 ug/L Copper and compounds 8.2 ug/L 1,4-Diethylene Dioxide 8.5 ug/L Trichloroethylene (TCE) 8.6 ug/L 1,1-Dichloroethane 11.5 ug/L Vanadium 23.0 ug/L Acetone 24.0 ug/L Aluminum 30.0 ug/L Manganese and compounds 32.0 ug/L Bromobenzene 34.05 ug/L Boron 48.6 ug/L Barium 58.5 ug/L Chromium 95.5 ug/L Strontium (Stable) 180.0 ug/L Nickel (Soluble Salts) 500.0 ug/L Iron 2000.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Indeno(1,2,3-cd)Pyrene 0.0017 mg/kg Dibenz[ah]anthracene 0.0022 mg/kg Dichlorodifluoromethane 0.0024 mg/kg Chrysene 0.0031000000000000003 mg/kg Carbon Dichloride 0.00685 mg/kg Benzene, chloro- 0.007 mg/kg Acetone 0.014750000000000001 mg/kg tert-Butylbenzene 0.041 mg/kg 1,1,1-Trichloroethane 0.0463333333 mg/kg Trichloroethylene (TCE) 0.0496666667 mg/kg Benzene, methyl- 0.0655 mg/kg Benzo(def)Phenanthrene 0.079 mg/kg 1,2-Benzacenaphthene 0.099 mg/kg o-Xylene 0.101 mg/kg Fluorene 0.18 mg/kg Beryllium and compounds 0.2066666667 mg/kg Bis(2-Ethylhexyl)Phthalate 0.335 mg/kg n-Butylbenzene 0.41000000000000003 mg/kg Dibutyl Phthalate 0.455 mg/kg sec-Butylbenzene 0.5700000000000001 mg/kg Cumene 0.58 mg/kg Freon 113 0.6383333333000001 mg/kg Cadmium and compounds 0.97 mg/kg 1-Phenylpropane 1.3 mg/kg Molybdenum 1.3 mg/kg 2-Methylnaphthalene 2.6 mg/kg Ethyl benzene 4.0 mg/kg Naphthalene 4.0 mg/kg Lead 7.45 mg/kg Arsenic 10.0 mg/kg Cobalt 10.066666667 mg/kg Nickel (Soluble Salts) 20.666666667 mg/kg Selenium 21.0 mg/kg Chromium 21.333333333 mg/kg Copper and compounds 26.666666667 mg/kg Zinc 54.0 mg/kg Vanadium 60.333333333000006 mg/kg Barium 133.33333333 mg/kg Manganese and compounds 310.0 mg/kg Aluminum 20000.0 mg/kg Iron 23000.0 mg/kg

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Site ID: SS286

BUILDING 651 TCE STORAGE

Spill Site Area

Cost

$14K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Site ID: SD107

REPAIR SHOP/SPRAY BOOTHS

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: cis-1,2-Dichloroethylene 150.0 ug/L Benzene 280.0 ug/L Chloroform 840.0 ug/L Trichloroethylene (TCE) 8600.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Cumene 0.00084 mg/kg Heptachlor 0.0015 mg/kg 1,3,5-Trimethylbenzene 0.0016 mg/kg 1,2,4-Trimethylbenzene 0.0026000000000000003 mg/kg Heptachlor Epoxide 0.0029 mg/kg Aldrin 0.0033 mg/kg Naphthalene 0.0063 mg/kg Vinyl Chloride 0.0076 mg/kg DDD 0.009300000000000001 mg/kg Acetone 0.01 mg/kg cis-1,2-Dichloroethylene 0.022 mg/kg Methoxychlor 0.022 mg/kg DDT 0.024 mg/kg 1,1-Dichloroethane 0.0265 mg/kg Carbon Dichloride 0.16 mg/kg Cadmium and compounds 0.27 mg/kg Molybdenum 0.4 mg/kg Beryllium and compounds 0.53 mg/kg Bis(2-Ethylhexyl)Phthalate 0.6 mg/kg Benzo(def)Phenanthrene 2.0 mg/kg Freon 113 2.2 mg/kg Arsenic 2.9 mg/kg Cobalt 7.1000000000000005 mg/kg Lead 7.2 mg/kg 2-Methylnaphthalene 19.0 mg/kg Copper and compounds 22.7 mg/kg Zinc 28.5 mg/kg Nickel (Soluble Salts) 31.900000000000002 mg/kg Vanadium 34.1 mg/kg Chromium 34.4 mg/kg Barium 50.1 mg/kg Manganese and compounds 158.0 mg/kg Aluminum 8150.0 mg/kg Iron 14600.0 mg/kg

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Site ID: ST177

CAMP KOHLER

Underground Storage Tanks

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2016

This site is under ongoing monitoring until Jun 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.4 mg/kg Beryllium and compounds 0.67 mg/kg Arsenic 2.0 mg/kg Lead 6.3 mg/kg Chromium 23.0 mg/kg Cobalt 23.0 mg/kg Copper and compounds 24.0 mg/kg Zinc 33.0 mg/kg Nickel (Soluble Salts) 36.0 mg/kg Vanadium 66.0 mg/kg Barium 430.0 mg/kg Manganese and compounds 1900.0 mg/kg Aluminum 11000.0 mg/kg Iron 23000.0 mg/kg

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Site ID: ST139

TANK FARM 3W

Underground Tank Farm

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, methyl- 0.305 ug/L 1,3-Dichlorobenzene 0.5 ug/L Benzene 0.62 ug/L Benzene, chloro- 0.9 ug/L 1,1,1,2-Tetrachloroethane 1.0 ug/L Vinyl Chloride 1.5 ug/L Carbon Dichloride 2.0 ug/L Benzene, p-dichloro- 3.0 ug/L 1,2-trans-dichloroethylene 3.5 ug/L 1,1,1-Trichloroethane 5.0 ug/L Bromofume 11.05 ug/L 1,2-Dichlorobenzene 11.5 ug/L Methylene Chloride 18.0 ug/L 1,1,2-Trichloroethane 19.5 ug/L Carbon Tetrachloride 55.0 ug/L o-Xylene 60.45 ug/L 1,2-Dichloroethane (EDC) 73.5 ug/L 1,1-Dichloroethane 285.0 ug/L Chloroform 340.0 ug/L cis-1,2-Dichloroethylene 365.0 ug/L 1,1-Dichloroethylene 835.0 ug/L Trichloroethylene (TCE) 4000.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Ethenylbenzene 0.00043 mg/kg 1,3,5-Trimethylbenzene 0.00055 mg/kg Benzene, methyl- 0.0011 mg/kg 1,2,4-Trimethylbenzene 0.0017 mg/kg Hexanone 0.0018000000000000002 mg/kg 2-Hexanone 0.0028 mg/kg Methyl Ethyl Ketone 0.003 mg/kg Dibenz[ah]anthracene 0.0070999999999999995 mg/kg Chloroform 0.0077 mg/kg 1,1-Dichloroethylene 0.0091 mg/kg Naphthalene 0.0100333333 mg/kg cis-1,2-Dichloroethylene 0.011300000000000001 mg/kg 1,2-Dichloroethane (EDC) 0.01345 mg/kg Fluorene 0.015 mg/kg 1,2-trans-dichloroethylene 0.017 mg/kg 1,1,1-Trichloroethane 0.0171 mg/kg Acenaphthene 0.018000000000000002 mg/kg 2-Methylnaphthalene 0.025 mg/kg 1,1-Dichloroethane 0.03 mg/kg o-Xylene 0.031855 mg/kg Methylene Chloride 0.0375 mg/kg 8,9-Benzofluoranthene 0.054 mg/kg Indeno(1,2,3-cd)Pyrene 0.077 mg/kg Trichloroethylene (TCE) 0.085 mg/kg Acetone 0.0915 mg/kg Anthracene 0.15 mg/kg Methylene Bromide 0.16435 mg/kg 2,3-Benzofluoranthene 0.17200000000000001 mg/kg Bis(2-Ethylhexyl)Phthalate 0.184 mg/kg Benzo(a)Pyrene 0.194 mg/kg Chrysene 0.272 mg/kg Benz(a)Anthracene 0.313 mg/kg 1,2-Benzacenaphthene 0.3605 mg/kg Benzo(def)Phenanthrene 0.3875 mg/kg Beryllium and compounds 0.5750000000000001 mg/kg Molybdenum 0.96 mg/kg Silver and compounds 1.3 mg/kg Cadmium and compounds 1.55 mg/kg Arsenic 5.8 mg/kg Cobalt 8.8 mg/kg Ethyl benzene 9.6 mg/kg Benzene 17.00385 mg/kg Chromium 29.7 mg/kg Copper and compounds 32.0 mg/kg Lead 35.15 mg/kg Nickel (Soluble Salts) 36.300000000000004 mg/kg Vanadium 41.5 mg/kg Zinc 50.1 mg/kg Barium 169.0 mg/kg Manganese and compounds 432.5 mg/kg Aluminum 10800.0 mg/kg Iron 16300.0 mg/kg

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Site ID: ST210

BLOWDOWN TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Dec 2016

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Methylene Chloride 0.024 mg/kg Beryllium and compounds 0.4933333333 mg/kg Lead 6.7 mg/kg Cobalt 11.666666667 mg/kg Naphthalene 12.333333333 mg/kg Chromium 22.333333333 mg/kg Copper and compounds 25.666666667 mg/kg Nickel (Soluble Salts) 27.666666667 mg/kg Zinc 48.666666667 mg/kg Vanadium 55.0 mg/kg Barium 180.0 mg/kg Manganese and compounds 276.66666667 mg/kg Aluminum 21333.333333000002 mg/kg Iron 30333.333333000002 mg/kg

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Site ID: SD081

OPEN DITCH

Storm Drain

Cost

Unknown

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Lead 0.098 ug/L Benzene 0.115 ug/L Antimony and compounds 0.13 ug/L Hexachlorobutadiene 0.142 ug/L Methylene Chloride 0.147 ug/L Carbon Dichloride 0.19 ug/L Molybdenum 0.19 ug/L Carbon Tetrachloride 0.194 ug/L Beryllium and compounds 0.2 ug/L 1,1-Dichloroethylene 0.21 ug/L Dichloropropane 0.23 ug/L Freon 113 0.269 ug/L 1,2-trans-dichloroethylene 0.27 ug/L 1,2-Dichloroethane (EDC) 0.28 ug/L Cadmium and compounds 0.3 ug/L Benzene, methyl- 0.44 ug/L Cobalt 0.515 ug/L Copper and compounds 0.515 ug/L Vinyl Chloride 0.58 ug/L Chloroform 1.5 ug/L Trichloroethylene (TCE) 1.5 ug/L 1,1-Dichloroethane 1.8 ug/L Arsenic 3.9 ug/L Zinc 4.15 ug/L cis-1,2-Dichloroethylene 4.5 ug/L Acetone 4.7 ug/L Manganese and compounds 5.95 ug/L Chromium 19.5 ug/L 1,4-Diethylene Dioxide 20.0 ug/L 1,2-Dichloroethene 20.5 ug/L Vanadium 21.0 ug/L Aluminum 25.0 ug/L Bromobenzene 35.8 ug/L Nickel (Soluble Salts) 43.5 ug/L Barium 120.0 ug/L Iron 530.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Aldrin 0.0028 mg/kg Heptachlor Epoxide 0.0031000000000000003 mg/kg Dieldrin 0.0053 mg/kg Indeno(1,2,3-cd)Pyrene 0.01 mg/kg DDT 0.012 mg/kg Benz(a)Anthracene 0.021 mg/kg 8,9-Benzofluoranthene 0.028 mg/kg Benzo(a)Pyrene 0.068 mg/kg Chrysene 0.076 mg/kg Benzo(def)Phenanthrene 0.18 mg/kg 1,2-Benzacenaphthene 0.23 mg/kg Silver and compounds 0.362 mg/kg Antimony and compounds 0.386 mg/kg Bis(2-Ethylhexyl)Phthalate 0.72 mg/kg Cadmium and compounds 2.49 mg/kg

Soil: Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 4.9e-07 mg/kg DDD 0.0006 mg/kg DDT 0.0007 mg/kg DDE 0.001 mg/kg Fluorene 0.0012 mg/kg Acenaphthene 0.0015 mg/kg Dibenz[ah]anthracene 0.0016 mg/kg Anthracene 0.0022 mg/kg Naphthalene 0.0032 mg/kg 2-Methylnaphthalene 0.0033 mg/kg Indeno(1,2,3-cd)Pyrene 0.0047 mg/kg 8,9-Benzofluoranthene 0.0050999999999999995 mg/kg Benzo(a)Pyrene 0.0063 mg/kg Benz(a)Anthracene 0.006500000000000001 mg/kg 2,3-Benzofluoranthene 0.01 mg/kg Chrysene 0.011 mg/kg Benzo(def)Phenanthrene 0.016 mg/kg 1,2-Benzacenaphthene 0.016 mg/kg Bis(2-Ethylhexyl)Phthalate 0.1505 mg/kg Silver and compounds 0.1873333333 mg/kg Cadmium and compounds 0.47000000000000003 mg/kg Molybdenum 0.519 mg/kg Beryllium and compounds 0.595 mg/kg Butyl Benzyl Phthalate 0.608 mg/kg Dibutyl Phthalate 1.498 mg/kg Arsenic 4.6666666667 mg/kg Antimony and compounds 6.88 mg/kg Cobalt 11.9 mg/kg Lead 13.9 mg/kg Nickel (Soluble Salts) 39.7 mg/kg Chromium 40.2 mg/kg Zinc 43.066666667 mg/kg Vanadium 60.7 mg/kg Copper and compounds 135.4 mg/kg Barium 180.0 mg/kg Manganese and compounds 459.0 mg/kg Aluminum 16500.0 mg/kg Iron 22100.0 mg/kg

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Site ID: SD108

PLATING SHOP

Storm Drain

Cost

Unknown

Final Cleanup Action

Dec 2016

Site ID: SD112

SOLVENT RECOVERY STILLS

Storm Drain

Cost

Unknown

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Silver and compounds 0.045 ug/L Antimony and compounds 0.12 ug/L 1,2-trans-dichloroethylene 0.2 ug/L Cadmium and compounds 0.2 ug/L o-Xylene 0.2 ug/L 1,2-Dichloroethane (EDC) 0.21 ug/L 1,2-Dichlorobenzene 0.21 ug/L 1,1-Dichloroethane 0.22 ug/L Molybdenum 0.26 ug/L 1,2,4-Trimethylbenzene 0.26 ug/L Benzene 0.27 ug/L Trichlorofluoromethane 0.32 ug/L Carbon Tetrachloride 0.33 ug/L 1,1-Dichloroethylene 0.36 ug/L Carbon Dichloride 0.41 ug/L Lead 0.53 ug/L Copper and compounds 0.56 ug/L Selenium 0.59 ug/L Cobalt 0.83 ug/L Bis(2-Ethylhexyl)Phthalate 1.4 ug/L cis-1,2-Dichloroethylene 1.5 ug/L Chloroform 1.7 ug/L Chromium 2.3 ug/L Arsenic 3.0 ug/L Aluminum 4.1 ug/L Acetone 4.4 ug/L Manganese and compounds 5.5 ug/L Zinc 5.7 ug/L Nickel (Soluble Salts) 6.2 ug/L Vanadium 21.0 ug/L Trichloroethylene (TCE) 76.0 ug/L Iron 130.0 ug/L Barium 150.0 ug/L

Soil: Risk Not Evaluated

Contaminants: 1,2-Benzacenaphthene 0.0015 mg/kg Anthracene 0.0016 mg/kg Benzo(def)Phenanthrene 0.0016 mg/kg Indeno(1,2,3-cd)Pyrene 0.0026000000000000003 mg/kg Dibenz[ah]anthracene 0.0027 mg/kg Benz(a)Anthracene 0.0030499999999999998 mg/kg Chrysene 0.0035 mg/kg 8,9-Benzofluoranthene 0.012 mg/kg Benzo(a)Pyrene 0.0171 mg/kg Fluorene 0.021 mg/kg Naphthalene 0.026000000000000002 mg/kg 2,3-Benzofluoranthene 0.034 mg/kg Benzenedicarboxylate 0.062 mg/kg o-Xylene 0.07100000000000001 mg/kg Bis(2-Ethylhexyl)Phthalate 0.0886666667 mg/kg Acetone 0.0984 mg/kg Butyl Benzyl Phthalate 0.1 mg/kg Antimony and compounds 0.31 mg/kg Molybdenum 0.43 mg/kg Cadmium and compounds 0.445 mg/kg 1,3,5-Trimethylbenzene 0.6900000000000001 mg/kg 2-Methylnaphthalene 0.785 mg/kg Beryllium and compounds 0.9400000000000001 mg/kg 1,2,4-Trimethylbenzene 1.8 mg/kg 1,2-Dichlorobenzene 2.0 mg/kg Arsenic 4.15 mg/kg Lead 9.35 mg/kg Cobalt 11.950000000000001 mg/kg Chromium 27.900000000000002 mg/kg Nickel (Soluble Salts) 33.55 mg/kg Copper and compounds 34.800000000000004 mg/kg Vanadium 53.0 mg/kg Zinc 65.75 mg/kg Barium 279.5 mg/kg Manganese and compounds 364.5 mg/kg Aluminum 21600.0 mg/kg Iron 27300.0 mg/kg

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Site ID: SD214

WASTEWATER

Storm Drain

Cost

Unknown

Final Cleanup Action

Dec 2016

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: cis-1,2-Dichloroethylene 0.254 ug/L Benzene, methyl- 5.77 ug/L Acetone 7.12 ug/L Trichloroethylene (TCE) 9.84 ug/L

Soil: Risk Not Evaluated

Contaminants: 1,1,1-Trichloroethane 0.0073 mg/kg Methyl Ethyl Ketone 0.031 mg/kg cis-1,2-Dichloroethylene 0.042 mg/kg Carbon Dichloride 0.33 mg/kg Beryllium and compounds 0.3433333333 mg/kg Acetone 0.51 mg/kg Cadmium and compounds 0.79 mg/kg Cobalt 9.066666666700002 mg/kg Lead 9.15 mg/kg Nickel (Soluble Salts) 15.0 mg/kg Copper and compounds 16.333333333000002 mg/kg Chromium 17.333333333 mg/kg Zinc 34.333333333000006 mg/kg Vanadium 42.666666667 mg/kg Barium 144.0 mg/kg Manganese and compounds 363.33333333 mg/kg Aluminum 10766.666667 mg/kg Iron 19666.666667 mg/kg

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Site ID: SS226

HAZARDOUS MATERIAL STORAGE

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.58 mg/kg Naphthalene 3.165 mg/kg Cadmium and compounds 6.4 mg/kg Cobalt 9.0 mg/kg Arsenic 15.0 mg/kg Copper and compounds 17.0 mg/kg Nickel (Soluble Salts) 20.0 mg/kg Lead 21.0 mg/kg Chromium 31.5 mg/kg Zinc 41.0 mg/kg Vanadium 61.0 mg/kg Barium 130.0 mg/kg Manganese and compounds 195.0 mg/kg Aluminum 25000.0 mg/kg Iron 27500.0 mg/kg

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Site ID: SS234

CONTRACTOR STAGING

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene 0.465 ug/L Benzene, methyl- 1.5 ug/L Chloroform 10.0 ug/L cis-1,2-Dichloroethylene 54.0 ug/L Trichloroethylene (TCE) 290.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Fluorene 0.0024 mg/kg Acenaphthene 0.0054 mg/kg Anthracene 0.00605 mg/kg Benzo(a)Pyrene 0.0105 mg/kg Benz(a)Anthracene 0.032799999999999996 mg/kg Chrysene 0.0373 mg/kg 1,2-Benzacenaphthene 0.0428 mg/kg Benzo(def)Phenanthrene 0.04415 mg/kg Beryllium and compounds 0.3133333333 mg/kg Cadmium and compounds 0.9480000000000001 mg/kg Silver and compounds 1.695 mg/kg Cobalt 6.7333333333 mg/kg 2-Methylnaphthalene 14.0 mg/kg Lead 15.0544 mg/kg Copper and compounds 17.3 mg/kg Nickel (Soluble Salts) 18.333333333 mg/kg Chromium 27.0 mg/kg Vanadium 37.666666667 mg/kg Zinc 78.666666667 mg/kg Barium 88.0 mg/kg Manganese and compounds 193.33333333 mg/kg Aluminum 11966.666667 mg/kg Iron 18333.333333000002 mg/kg

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Site ID: SS230

HAZARDOUS MAT. STORAGE

Spill Site Area

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, chloro- 0.0575 ug/L Benzene, p-dichloro- 0.0604 ug/L 1,1,1,2-Tetrachloroethane 0.0608 ug/L 1,3-Dichlorobenzene 0.0609 ug/L Lead 0.09 ug/L 1,2-Dichloroethane (EDC) 0.1 ug/L Chloroethane 0.121 ug/L Bromobenzene 0.154 ug/L Cobalt 0.2 ug/L cis-1,2-Dichloroethylene 0.21 ug/L Antimony and compounds 0.21 ug/L 1,1,1-Trichloroethane 0.255 ug/L Ether,tert-butyl methyl 0.3 ug/L Carbon Disulfide 0.3 ug/L 1,1-Dichloroethylene 0.3055 ug/L Bromodichloromethane 0.4 ug/L 1,2,4-Trimethylbenzene 0.41 ug/L Bromomethane 0.445 ug/L Benzene 0.46 ug/L Benzene, methyl- 0.47 ug/L Chloroform 0.5 ug/L Molybdenum 0.5 ug/L Methylene Chloride 0.53 ug/L o-Xylene 0.54 ug/L Ethyl benzene 0.74 ug/L Selenium 0.81 ug/L Aluminum 1.1 ug/L Cadmium and compounds 1.2 ug/L Chloromethane (methyl chloride) 1.2 ug/L Beryllium and compounds 1.3 ug/L Copper and compounds 1.7 ug/L Manganese and compounds 2.6 ug/L Carbon Dichloride 2.78 ug/L Carbon Tetrachloride 2.9 ug/L Trichloroethylene (TCE) 2.9 ug/L Arsenic 6.0 ug/L Methyl Ethyl Ketone 8.9 ug/L Acetone 13.0 ug/L Zinc 13.0 ug/L Chromium 15.0 ug/L Vanadium 27.0 ug/L Barium 47.0 ug/L Iron 48.0 ug/L Nickel (Soluble Salts) 150.0 ug/L

Soil: Risk Not Evaluated

Contaminants: 2-Methylnaphthalene 0.034 mg/kg Benzo(def)Phenanthrene 0.0775 mg/kg Bis(2-Ethylhexyl)Phthalate 0.095 mg/kg Silver and compounds 0.24 mg/kg Cadmium and compounds 0.41000000000000003 mg/kg Beryllium and compounds 0.465 mg/kg Molybdenum 0.5 mg/kg Arsenic 2.6 mg/kg Cobalt 11.700000000000001 mg/kg Copper and compounds 17.35 mg/kg Selenium 26.0 mg/kg Chromium 40.9 mg/kg Zinc 44.4 mg/kg Nickel (Soluble Salts) 44.65 mg/kg Vanadium 47.1 mg/kg Lead 57.0 mg/kg Barium 112.0 mg/kg Manganese and compounds 628.5 mg/kg Aluminum 13700.0 mg/kg Iron 19950.0 mg/kg

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Site ID: SS221

MOTOR POOL

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Carbon Dichloride 0.433 ug/L 1,3,5-Trimethylbenzene 0.452 ug/L 1,1-Dichloroethane 0.971 ug/L Chlorodibromomethane 1.08 ug/L Trichlorofluoromethane 1.18 ug/L 1,2,4-Trimethylbenzene 1.2 ug/L Bromodichloromethane 1.28 ug/L 1,2-Dichloroethane (EDC) 1.32 ug/L 1,1-Dichloroethylene 1.89 ug/L Freon 113 1.96 ug/L 2-Hexanone 3.0 ug/L Dibutyl Phthalate 4.14 ug/L cis-1,2-Dichloroethylene 8.67 ug/L Carbon Tetrachloride 13.6 ug/L Chloroform 22.9 ug/L Trichloroethylene (TCE) 434.0 ug/L Beryllium and compounds 920.15 ug/L Arsenic 2350.95 ug/L Lead 5476.5 ug/L Cobalt 7124.5 ug/L Copper and compounds 16226.0 ug/L Nickel (Soluble Salts) 18119.6 ug/L Chromium 23995.525 ug/L Zinc 33625.75 ug/L Vanadium 40551.25 ug/L Barium 128609.0 ug/L Manganese and compounds 230624.25 ug/L Aluminum 17090250.0 ug/L Iron 17213450.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Benzo(def)Phenanthrene 0.0002 mg/kg Trichloroethylene (TCE) 0.0066 mg/kg cis-1,2-Dichloroethylene 0.012 mg/kg Freon 113 0.012 mg/kg 1,1,1-Trichloroethane 0.016 mg/kg Carbon Dichloride 0.049 mg/kg Selenium 0.152 mg/kg Cadmium and compounds 0.3747666667 mg/kg Antimony and compounds 0.418 mg/kg Molybdenum 0.6883333333 mg/kg Beryllium and compounds 1.0803333333 mg/kg Arsenic 3.5933333333 mg/kg Lead 10.663333333 mg/kg Cobalt 11.06 mg/kg Copper and compounds 19.0 mg/kg Nickel (Soluble Salts) 19.933333333 mg/kg Chromium 26.6 mg/kg Zinc 45.766666666999996 mg/kg Vanadium 52.300000000000004 mg/kg Barium 175.66666667 mg/kg Manganese and compounds 754.3333333300001 mg/kg Aluminum 19066.666667 mg/kg Iron 21800.0 mg/kg

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Site ID: SS222

SOIL CONTAMINATION

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.05 ug/L Silver and compounds 0.062 ug/L Antimony and compounds 0.088 ug/L Benzene, chloro- 0.131 ug/L Benzene, 1,2,4-trichloro- 0.16 ug/L Beryllium and compounds 0.2 ug/L Benzene, p-dichloro- 0.21 ug/L Cobalt 0.21 ug/L 1,2-Dichloroethane (EDC) 0.23 ug/L Molybdenum 0.24 ug/L Benzene 0.26 ug/L 1,2-Dichlorobenzene 0.27 ug/L 1,3-Dichlorobenzene 0.28 ug/L Bromoform 0.307 ug/L 1,1,1,2-Tetrachloroethane 0.31 ug/L Bromodichloromethane 0.35 ug/L Vinyl Chloride 0.36 ug/L Chlorodibromomethane 0.37 ug/L Dichloropropane 0.38 ug/L Benzene, methyl- 0.42 ug/L Manganese and compounds 0.48 ug/L 1,2,3-Trichloropropane 0.57 ug/L Bromofume 0.614 ug/L Selenium 0.67 ug/L Lead 0.72 ug/L Carbon Dichloride 0.77 ug/L Cumene 0.899 ug/L Copper and compounds 0.95 ug/L Chloromethane (methyl chloride) 0.99 ug/L 1,1,1-Trichloroethane 1.26 ug/L 1,2-trans-dichloroethylene 1.4 ug/L Methylene Chloride 1.4 ug/L Carbon Tetrachloride 2.0 ug/L Arsenic 2.1 ug/L 1,4-Diethylene Dioxide 2.6 ug/L 1,1,2-Trichloroethane 3.2 ug/L Chloroform 3.25 ug/L Acetone 3.4 ug/L Freon 113 5.1 ug/L Trichlorofluoromethane 5.5 ug/L 1,1-Dichloroethane 5.8 ug/L Aluminum 6.2 ug/L cis-1,2-Dichloroethylene 6.65 ug/L Chromium 7.2 ug/L o-Xylene 9.68 ug/L Nickel (Soluble Salts) 11.0 ug/L Naphthalene 11.5 ug/L Zinc 13.0 ug/L Bis(2-Ethylhexyl)Phthalate 18.0 ug/L Vanadium 18.0 ug/L 1,1-Dichloroethylene 25.0 ug/L Bromobenzene 29.1 ug/L Iron 73.0 ug/L Methylene Bromide 101.0 ug/L 1,2-Dichloroethene 114.0 ug/L Barium 120.0 ug/L Trichloroethylene (TCE) 190.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Heptachlor Epoxide 0.0091 mg/kg DDT 0.025 mg/kg Dieldrin 0.027 mg/kg DDE 0.038 mg/kg DDD 0.049 mg/kg Beryllium and compounds 0.18 mg/kg Aroclor 1254 0.19 mg/kg Dibutyl Phthalate 0.2 mg/kg Indeno(1,2,3-cd)Pyrene 0.3 mg/kg 8,9-Benzofluoranthene 0.3 mg/kg Benzo(a)Pyrene 0.47000000000000003 mg/kg Benz(a)Anthracene 0.52 mg/kg Butyl Benzyl Phthalate 0.6 mg/kg Selenium 0.65 mg/kg Chrysene 0.81 mg/kg 2,3-Benzofluoranthene 0.85 mg/kg 1-Amino-4-Chlorobenzene 1.3 mg/kg Benzo(def)Phenanthrene 1.7 mg/kg 1,2-Benzacenaphthene 1.7 mg/kg Antimony and compounds 3.4 mg/kg Arsenic 4.2 mg/kg Silver and compounds 4.5 mg/kg Molybdenum 8.1 mg/kg Bis(2-Ethylhexyl)Phthalate 14.0 mg/kg Cobalt 24.0 mg/kg Vanadium 31.0 mg/kg Cadmium and compounds 35.0 mg/kg Nickel (Soluble Salts) 47.0 mg/kg Chromium 280.0 mg/kg Barium 320.0 mg/kg Lead 460.0 mg/kg Manganese and compounds 560.0 mg/kg Copper and compounds 560.0 mg/kg Zinc 980.0 mg/kg Aluminum 6700.0 mg/kg Iron 26000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Chrysene 0.001 mg/kg 1,2-Benzacenaphthene 0.0013000000000000002 mg/kg Anthracene 0.0016 mg/kg Benzo(def)Phenanthrene 0.0021000000000000003 mg/kg 8,9-Benzofluoranthene 0.0028 mg/kg Indeno(1,2,3-cd)Pyrene 0.0033 mg/kg Benz(a)Anthracene 0.00395 mg/kg 2,3-Benzofluoranthene 0.0040999999999999995 mg/kg Naphthalene 0.0047 mg/kg Benzo(a)Pyrene 0.0058 mg/kg Acetone 0.0067 mg/kg cis-1,2-Dichloroethylene 0.01 mg/kg Methyl Ethyl Ketone 0.019 mg/kg Bis(2-Ethylhexyl)Phthalate 0.066 mg/kg Antimony and compounds 0.105 mg/kg Cadmium and compounds 0.11 mg/kg Ethyl benzene 0.24 mg/kg o-Xylene 0.265 mg/kg Molybdenum 0.305 mg/kg Beryllium and compounds 0.365 mg/kg Silver and compounds 3.2 mg/kg Arsenic 3.6 mg/kg Lead 6.3500000000000005 mg/kg Cobalt 9.5 mg/kg Copper and compounds 19.0 mg/kg Nickel (Soluble Salts) 19.5 mg/kg Chromium 21.0 mg/kg Zinc 42.0 mg/kg Vanadium 48.0 mg/kg Barium 220.0 mg/kg Manganese and compounds 380.0 mg/kg Aluminum 13000.0 mg/kg Iron 20000.0 mg/kg

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Site ID: SS223

AIRCRAFT MAINTENANCE

Spill Site Area

Cost

$15K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Lead 0.12 ug/L Carbon Dichloride 0.2 ug/L Freon 113 0.23 ug/L Bromodichloromethane 0.24 ug/L Chlorodibromomethane 0.291 ug/L Antimony and compounds 0.31 ug/L Cobalt 0.32 ug/L 1,2-Dichloroethane (EDC) 0.33 ug/L Carbon Tetrachloride 0.36 ug/L 1,1,2-Trichloroethane 0.38 ug/L Cadmium and compounds 0.41 ug/L Benzene, methyl- 0.418 ug/L Molybdenum 0.48 ug/L 1,1-Dichloroethane 0.482 ug/L 1,2-trans-dichloroethylene 0.52 ug/L 1,1-Dichloroethylene 0.604 ug/L Copper and compounds 0.67 ug/L Chloroform 1.2 ug/L cis-1,2-Dichloroethylene 1.8 ug/L Manganese and compounds 2.8 ug/L Arsenic 3.5 ug/L Acetone 4.15 ug/L Zinc 5.7 ug/L Aluminum 7.6 ug/L Naphthalene 9.2 ug/L Vanadium 19.0 ug/L Chromium 23.0 ug/L Nickel (Soluble Salts) 35.0 ug/L Methylene Chloride 49.6 ug/L Trichloroethylene (TCE) 53.0 ug/L Barium 120.0 ug/L Iron 130.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.27 mg/kg Molybdenum 1.4000000000000001 mg/kg Silver and compounds 2.0 mg/kg Arsenic 5.3500000000000005 mg/kg Lead 6.2 mg/kg Cobalt 7.8 mg/kg Copper and compounds 12.9 mg/kg Nickel (Soluble Salts) 13.65 mg/kg Chromium 16.4 mg/kg Zinc 30.1 mg/kg Vanadium 49.1 mg/kg Barium 112.5 mg/kg Manganese and compounds 431.5 mg/kg Aluminum 8315.0 mg/kg Iron 17650.0 mg/kg

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Site ID: SS256

ENGINE TEST STANDS

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Bromofume 0.01 ug/L Lead 0.058 ug/L Methylene Chloride 0.0662 ug/L Antimony and compounds 0.14 ug/L Cobalt 0.16 ug/L Benzene 0.2 ug/L 1,2-Dichloroethane (EDC) 0.23 ug/L Carbon Tetrachloride 0.25 ug/L Trichloroethylene (TCE) 0.26 ug/L 1,2-trans-dichloroethylene 0.3085 ug/L Molybdenum 0.32 ug/L Selenium 0.37 ug/L Bromoform 0.419 ug/L Benzene, methyl- 0.442 ug/L Benzene, 1,2,4-trichloro- 0.464 ug/L 1,1-Dichloroethylene 0.48 ug/L Hexachlorobutadiene 0.585 ug/L Nickel (Soluble Salts) 0.64 ug/L Chloroform 0.7 ug/L 1,1-Dichloroethane 0.71 ug/L Copper and compounds 0.72 ug/L Chloromethane (methyl chloride) 0.92 ug/L cis-1,2-Dichloroethylene 1.3 ug/L Arsenic 1.5 ug/L Cadmium and compounds 2.15 ug/L Zinc 2.6 ug/L 1,2-Dichloroethene 3.1 ug/L 2-Hexanone 3.7 ug/L Aluminum 5.2 ug/L Chromium 5.8 ug/L Vanadium 11.0 ug/L Acetone 17.0 ug/L Bromobenzene 28.8 ug/L Barium 34.0 ug/L Manganese and compounds 120.0 ug/L Iron 5100.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Benz(a)Anthracene 0.0013000000000000002 mg/kg Benzo(def)Phenanthrene 0.0014 mg/kg 1,2-Benzacenaphthene 0.0014 mg/kg Anthracene 0.0016 mg/kg Benzo(a)Pyrene 0.0016 mg/kg 2,3-Benzofluoranthene 0.0021000000000000003 mg/kg 8,9-Benzofluoranthene 0.0021000000000000003 mg/kg Chrysene 0.0022 mg/kg 2-Methylnaphthalene 0.0028 mg/kg Acenaphthene 0.0035 mg/kg Naphthalene 0.0056 mg/kg Acetone 0.0079 mg/kg Methylene Chloride 0.015 mg/kg Cadmium and compounds 0.05 mg/kg Benzene 0.052000000000000005 mg/kg Beryllium and compounds 0.15 mg/kg Benzene, methyl- 0.805 mg/kg Ethyl benzene 1.2725 mg/kg Bis(2-Ethylhexyl)Phthalate 1.6 mg/kg Cobalt 3.5100000000000002 mg/kg Nickel (Soluble Salts) 4.88 mg/kg Copper and compounds 5.5 mg/kg Arsenic 7.96 mg/kg Chromium 11.4 mg/kg Zinc 11.5 mg/kg Selenium 15.0 mg/kg Vanadium 21.6 mg/kg Lead 35.266666666999996 mg/kg Barium 36.5 mg/kg Bromobenzene 89.25 mg/kg Manganese and compounds 146.0 mg/kg Aluminum 5600.0 mg/kg Iron 6440.0 mg/kg

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Site ID: SS278

AOC H-4 (FORMER REVETMENT)

Spill Site Area

Cost

$14K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Dibutyl Phthalate 0.17500000000000002 mg/kg Beryllium and compounds 0.485 mg/kg Molybdenum 2.75 mg/kg Arsenic 4.6000000000000005 mg/kg Lead 8.1 mg/kg Cobalt 8.4 mg/kg Copper and compounds 22.75 mg/kg Nickel (Soluble Salts) 28.05 mg/kg Zinc 37.300000000000004 mg/kg Chromium 47.2 mg/kg Benzo(a)Pyrene 54.695333333 mg/kg Vanadium 55.7 mg/kg Barium 211.5 mg/kg Manganese and compounds 289.5 mg/kg Aluminum 16150.0 mg/kg Iron 21200.0 mg/kg

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Site ID: SS280

AOC H-6 (FORMER REVETMENT)

Spill Site Area

Cost

$14K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Site ID: SS281

AOC H-7 (FORMER REVETMENT)

Spill Site Area

Cost

$14K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Bis(2-Ethylhexyl)Phthalate 0.032 mg/kg Benzo(def)Phenanthrene 0.034 mg/kg Diethyl Phthalate 0.055 mg/kg Benzenedicarboxylate 0.1 mg/kg Beryllium and compounds 0.355 mg/kg Cadmium and compounds 0.84 mg/kg Molybdenum 1.3 mg/kg Selenium 3.4 mg/kg Arsenic 4.7 mg/kg Lead 7.05 mg/kg Cobalt 8.950000000000001 mg/kg Copper and compounds 19.400000000000002 mg/kg Nickel (Soluble Salts) 22.85 mg/kg Chromium 30.900000000000002 mg/kg Zinc 32.45 mg/kg Vanadium 50.300000000000004 mg/kg Benzo(a)Pyrene 73.027666667 mg/kg Barium 139.0 mg/kg Manganese and compounds 265.0 mg/kg Aluminum 10600.0 mg/kg Iron 18550.0 mg/kg

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Site ID: SS292

SA 034 (BUILDING 18)

Spill Site Area

Cost

$15K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Antimony and compounds 0.074 ug/L Lead 0.08 ug/L Benzene, methyl- 0.0836 ug/L 1,1-Dichloroethylene 0.0967 ug/L Bromodichloromethane 0.2 ug/L Methylene Bromide 0.202 ug/L Methylene Chloride 0.206 ug/L Carbon Dichloride 0.23 ug/L Carbon Tetrachloride 0.44 ug/L Chloromethane (methyl chloride) 0.455 ug/L Chloroform 0.58 ug/L Bromoform 0.744 ug/L 1,1,1-Trichloroethane 0.87 ug/L Cobalt 1.2 ug/L Zinc 1.5 ug/L Beryllium and compounds 2.1 ug/L Trichloroethylene (TCE) 2.2 ug/L Aluminum 2.3 ug/L Arsenic 2.4 ug/L 1,2-Dichloroethane (EDC) 2.42 ug/L Molybdenum 2.85 ug/L Copper and compounds 3.205 ug/L Vanadium 15.0 ug/L Manganese and compounds 16.5 ug/L Barium 84.5 ug/L Chromium 153.5 ug/L Nickel (Soluble Salts) 175.0 ug/L Iron 640.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Bis(2-Ethylhexyl)Phthalate 0.032 mg/kg Silver and compounds 0.12 mg/kg Cadmium and compounds 0.17500000000000002 mg/kg Molybdenum 0.47000000000000003 mg/kg Antimony and compounds 0.79 mg/kg Beryllium and compounds 0.88 mg/kg Arsenic 4.4 mg/kg Lead 10.700000000000001 mg/kg Cobalt 13.3 mg/kg Nickel (Soluble Salts) 30.2 mg/kg Chromium 31.6 mg/kg Copper and compounds 47.7 mg/kg Zinc 76.9 mg/kg Vanadium 88.8 mg/kg Benzo(a)Pyrene 90.0 mg/kg Barium 411.0 mg/kg Manganese and compounds 447.0 mg/kg Aluminum 25500.0 mg/kg Iron 33500.0 mg/kg

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Site ID: SS295

SA 063 (BUILDING 350)

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Freon 113 0.0961 ug/L Cobalt 0.097 ug/L Benzene, methyl- 0.124 ug/L Cumene 0.15 ug/L 1,2-Dichlorobenzene 0.21 ug/L Benzene, chloro- 0.23 ug/L Benzene, p-dichloro- 0.24 ug/L Bromodichloromethane 0.24 ug/L 1,1,2-Trichloroethane 0.24 ug/L Bromofume 0.245 ug/L Cadmium and compounds 0.27 ug/L 1,2-trans-dichloroethylene 0.31 ug/L 1,1,1,2-Tetrachloroethane 0.345 ug/L Carbon Dichloride 0.37 ug/L 1,2-Dichloroethane (EDC) 0.39 ug/L Carbon Tetrachloride 0.42 ug/L 1,3-Dichlorobenzene 0.555 ug/L Antimony and compounds 0.57 ug/L Selenium 0.63 ug/L Vinyl Chloride 0.75 ug/L Benzene 0.78 ug/L Lead 0.94 ug/L Chloroform 1.0 ug/L Nickel (Soluble Salts) 1.0 ug/L 1,1,1-Trichloroethane 1.05 ug/L 2-Hexanone 2.0 ug/L o-Xylene 2.1 ug/L cis-1,2-Dichloroethylene 2.2 ug/L Copper and compounds 2.6 ug/L Manganese and compounds 2.7 ug/L 1,1-Dichloroethylene 2.9 ug/L Arsenic 3.1 ug/L 1,1-Dichloroethane 3.5 ug/L 1,4-Diethylene Dioxide 3.9 ug/L Methylene Chloride 5.03 ug/L Aluminum 5.8 ug/L Bromoform 6.0 ug/L Chromium 7.0 ug/L Vanadium 22.0 ug/L Trichloroethylene (TCE) 23.0 ug/L Zinc 40.0 ug/L Iron 170.0 ug/L Barium 170.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Fluorene 0.0044 mg/kg Dibenz[ah]anthracene 0.0057 mg/kg Acenaphthene 0.00825 mg/kg Anthracene 0.012400000000000001 mg/kg Indeno(1,2,3-cd)Pyrene 0.0135 mg/kg 8,9-Benzofluoranthene 0.019 mg/kg Benzo(a)Pyrene 0.024480000000000002 mg/kg Benz(a)Anthracene 0.03775 mg/kg 2,3-Benzofluoranthene 0.04382 mg/kg Chrysene 0.04446 mg/kg Benzo(def)Phenanthrene 0.07084 mg/kg Silver and compounds 0.07100000000000001 mg/kg 1,2-Benzacenaphthene 0.08109999999999999 mg/kg Antimony and compounds 0.14 mg/kg Bis(2-Ethylhexyl)Phthalate 0.17 mg/kg Molybdenum 0.195 mg/kg Beryllium and compounds 0.2265 mg/kg Cadmium and compounds 0.2933333333 mg/kg Dibutyl Phthalate 1.37425 mg/kg Arsenic 3.0666666667 mg/kg Cobalt 9.39 mg/kg Lead 18.033333332999998 mg/kg Copper and compounds 19.2 mg/kg Nickel (Soluble Salts) 26.3 mg/kg Chromium 32.533333333 mg/kg Zinc 36.233333333000004 mg/kg Vanadium 41.566666667 mg/kg Barium 134.93333333 mg/kg Manganese and compounds 259.5 mg/kg Aluminum 9450.0 mg/kg Iron 14550.0 mg/kg

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Site ID: ST133

FUEL TANK

Underground Storage Tanks

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2017

This site is under ongoing monitoring until Jun 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Chloroform 6.5 ug/L 1,1-Dichloroethane 15.0 ug/L Trichloroethylene (TCE) 25.15 ug/L cis-1,2-Dichloroethylene 49.4333333 ug/L

Soil: Risk Not Evaluated

Contaminants: Acetone 0.0027 mg/kg Anthracene 0.0078 mg/kg 8,9-Benzofluoranthene 0.009300000000000001 mg/kg Dibenz[ah]anthracene 0.011 mg/kg Benz(a)Anthracene 0.011 mg/kg Benzene, chloro- 0.012 mg/kg 1,2-Benzacenaphthene 0.014 mg/kg Chrysene 0.014 mg/kg Benzo(def)Phenanthrene 0.021 mg/kg Benzo(a)Pyrene 0.032 mg/kg 2,3-Benzofluoranthene 0.038 mg/kg Indeno(1,2,3-cd)Pyrene 0.077 mg/kg Beryllium and compounds 0.4 mg/kg Selenium 11.0 mg/kg Lead 12.0 mg/kg Cobalt 13.0 mg/kg Naphthalene 14.75 mg/kg Arsenic 21.0 mg/kg Nickel (Soluble Salts) 23.0 mg/kg Chromium 26.0 mg/kg Copper and compounds 27.0 mg/kg Zinc 63.0 mg/kg Vanadium 69.0 mg/kg Barium 150.0 mg/kg Manganese and compounds 330.0 mg/kg Aluminum 17000.0 mg/kg Iron 21000.0 mg/kg

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Site ID: ST134

SOLVENT TANK

Underground Storage Tanks

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Carbon Tetrachloride 3.0 ug/L 1,2-Dichloroethane (EDC) 22.0 ug/L 1,1-Dichloroethane 46.0 ug/L 1,1-Dichloroethylene 63.0 ug/L Chloroform 77.0 ug/L Benzene 117.0 ug/L cis-1,2-Dichloroethylene 148.0 ug/L Trichloroethylene (TCE) 934.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Benzo(def)Phenanthrene 0.002 mg/kg 1,2-Benzacenaphthene 0.0022 mg/kg Benzo(a)Pyrene 0.0089 mg/kg Bis(2-Ethylhexyl)Phthalate 0.033 mg/kg Cadmium and compounds 0.3933333333 mg/kg Silver and compounds 0.61 mg/kg Beryllium and compounds 0.7366666666999999 mg/kg Molybdenum 0.9550000000000001 mg/kg Arsenic 3.3333333333 mg/kg Lead 11.4 mg/kg Cobalt 13.200000000000001 mg/kg Copper and compounds 23.233333333 mg/kg Chromium 24.233333333 mg/kg Nickel (Soluble Salts) 24.733333333 mg/kg Vanadium 49.133333333 mg/kg Zinc 49.533333333 mg/kg Barium 200.66666667 mg/kg Manganese and compounds 406.0 mg/kg Aluminum 16833.333333000002 mg/kg Iron 21700.0 mg/kg

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Site ID: ST136

WASTE OIL/SOLVENT TANK

Underground Storage Tanks

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2017

This site is under ongoing monitoring until Sep 2046

Site ID: ST137

TANK FARM I

Underground Tank Farm

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Antimony and compounds 0.096 ug/L Lead 0.1 ug/L Freon 113 0.109 ug/L Manganese and compounds 0.19 ug/L Beryllium and compounds 0.2 ug/L 1,2-Dichloroethane (EDC) 0.22 ug/L Carbon Dichloride 0.25 ug/L Molybdenum 0.27 ug/L 1,2-trans-dichloroethylene 0.281 ug/L Nickel (Soluble Salts) 0.29 ug/L Trichlorofluoromethane 0.36 ug/L Copper and compounds 0.61 ug/L Chloromethane (methyl chloride) 0.687 ug/L Methylene Chloride 0.843 ug/L Cobalt 1.0 ug/L Cadmium and compounds 1.3 ug/L Chloroform 1.9 ug/L Aluminum 2.1 ug/L cis-1,2-Dichloroethylene 3.2 ug/L Selenium 3.2 ug/L Arsenic 4.5 ug/L Zinc 4.8 ug/L Carbon Tetrachloride 6.0 ug/L Acetone 6.13 ug/L Chromium 14.0 ug/L Vanadium 26.0 ug/L Trichloroethylene (TCE) 44.0 ug/L Barium 64.0 ug/L Iron 68.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Acenaphthene 0.0003 mg/kg Aroclor 1016 0.000987 mg/kg Indeno(1,2,3-cd)Pyrene 0.0015 mg/kg Fluorene 0.0017 mg/kg 2-Methylnaphthalene 0.0024 mg/kg Anthracene 0.0025 mg/kg 8,9-Benzofluoranthene 0.0069500000000000004 mg/kg Benz(a)Anthracene 0.0136 mg/kg Benzo(a)Pyrene 0.01595 mg/kg Freon 113 0.0173333333 mg/kg 1,2-Benzacenaphthene 0.021750000000000002 mg/kg 1,2-Dichloroethane (EDC) 0.022 mg/kg Benzo(def)Phenanthrene 0.02265 mg/kg 2,3-Benzofluoranthene 0.0249 mg/kg Chrysene 0.0262 mg/kg Naphthalene 0.055200000000000006 mg/kg Dibenz[ah]anthracene 0.074 mg/kg Dibutyl Phthalate 0.11 mg/kg Methyl Ethyl Ketone 0.13 mg/kg Dibenzofuran 0.16 mg/kg Acetone 0.2 mg/kg Beryllium and compounds 0.368 mg/kg Silver and compounds 0.4 mg/kg Cadmium and compounds 0.461 mg/kg Bis(2-Ethylhexyl)Phthalate 1.1 mg/kg Molybdenum 1.1500000000000001 mg/kg Ethyl benzene 2.0 mg/kg Arsenic 3.3000000000000003 mg/kg Hexanone 4.4 mg/kg Cobalt 6.63 mg/kg Copper and compounds 16.85 mg/kg Nickel (Soluble Salts) 18.35 mg/kg Lead 22.45 mg/kg Chromium 25.6 mg/kg Vanadium 46.5 mg/kg Zinc 79.0 mg/kg Barium 137.05 mg/kg Manganese and compounds 217.0 mg/kg Aluminum 10420.0 mg/kg Iron 16200.0 mg/kg

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Site ID: ST145

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Acenaphthene 0.0006 mg/kg Fluorene 0.0007 mg/kg Anthracene 0.0013000000000000002 mg/kg Indeno(1,2,3-cd)Pyrene 0.0014 mg/kg 8,9-Benzofluoranthene 0.0014 mg/kg Dibenz[ah]anthracene 0.0015 mg/kg Benzo(def)Phenanthrene 0.0016 mg/kg 1,2-Benzacenaphthene 0.0016 mg/kg Chrysene 0.0016 mg/kg 2,3-Benzofluoranthene 0.0017 mg/kg Benzo(a)Pyrene 0.0017 mg/kg Benz(a)Anthracene 0.0017 mg/kg Silver and compounds 0.0776666667 mg/kg Butyl Benzyl Phthalate 0.14 mg/kg Cadmium and compounds 0.3866666667 mg/kg Beryllium and compounds 0.5085000000000001 mg/kg Molybdenum 0.807 mg/kg Arsenic 6.5666666667 mg/kg Cobalt 9.996666666700001 mg/kg Lead 11.333333333 mg/kg Chromium 26.566666667000003 mg/kg Nickel (Soluble Salts) 27.400000000000002 mg/kg Copper and compounds 30.133333333 mg/kg Zinc 50.2 mg/kg Vanadium 51.633333333 mg/kg Barium 259.0 mg/kg Manganese and compounds 570.0 mg/kg Aluminum 14740.0 mg/kg Iron 23766.666667 mg/kg

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Site ID: ST212

ABOVEGROUND STORAGE TANK

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Dec 2016

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Carbon Tetrachloride 0.108 ug/L Chloroform 0.167 ug/L Trichloroethylene (TCE) 0.202 ug/L Trichlorofluoromethane 0.22 ug/L Chloromethane (methyl chloride) 0.44 ug/L Carbon Dichloride 0.8 ug/L Cobalt 1.3 ug/L Silver and compounds 2.5 ug/L Beryllium and compounds 2.5 ug/L Cadmium and compounds 2.6 ug/L Lead 2.8 ug/L Molybdenum 2.8 ug/L Antimony and compounds 4.0 ug/L Arsenic 4.2 ug/L Nickel (Soluble Salts) 4.4 ug/L Copper and compounds 4.4 ug/L Manganese and compounds 4.6 ug/L Acetone 5.1 ug/L Chromium 13.0 ug/L Zinc 18.0 ug/L Vanadium 30.0 ug/L Barium 59.0 ug/L Iron 65.0 ug/L Aluminum 180.0 ug/L

Soil: Risk Not Evaluated

Contaminants: DDT 0.0081 mg/kg Cadmium and compounds 0.15966666670000002 mg/kg Beryllium and compounds 0.5700000000000001 mg/kg Naphthalene 3.005 mg/kg Silver and compounds 3.7 mg/kg Arsenic 7.0333333333 mg/kg Lead 11.55 mg/kg Cobalt 15.950000000000001 mg/kg Nickel (Soluble Salts) 18.85 mg/kg Copper and compounds 20.650000000000002 mg/kg Chromium 28.2 mg/kg Zinc 43.1 mg/kg Vanadium 54.45 mg/kg Benzo(a)Pyrene 86.0 mg/kg Barium 168.5 mg/kg Manganese and compounds 524.5 mg/kg Iron 20200.0 mg/kg Aluminum 20500.0 mg/kg

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Site ID: ST142

TANK FARM 6

Underground Tank Farm

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,1,1-Trichloroethane 0.63 ug/L Chloroform 1.1 ug/L cis-1,2-Dichloroethylene 1.4 ug/L 1,2-Dichloroethane (EDC) 1.7 ug/L Trichloroethylene (TCE) 110.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Benzo(def)Phenanthrene 0.056 mg/kg Bis(2-Ethylhexyl)Phthalate 0.0685 mg/kg Benzene, methyl- 0.12 mg/kg Benzene 0.253 mg/kg Ethyl benzene 0.31 mg/kg Beryllium and compounds 0.37 mg/kg Cadmium and compounds 0.5766666667 mg/kg Silver and compounds 0.89 mg/kg Fluorene 0.92 mg/kg Molybdenum 1.4000000000000001 mg/kg o-Xylene 1.41 mg/kg Naphthalene 2.1 mg/kg 2-Methylnaphthalene 5.1000000000000005 mg/kg Arsenic 6.3500000000000005 mg/kg Cobalt 8.375 mg/kg Lead 12.450000000000001 mg/kg Copper and compounds 17.625 mg/kg Nickel (Soluble Salts) 20.05 mg/kg Chromium 25.125 mg/kg Zinc 39.775 mg/kg Vanadium 47.975 mg/kg Barium 128.225 mg/kg Manganese and compounds 292.5 mg/kg Aluminum 12112.5 mg/kg Iron 19300.0 mg/kg

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Site ID: ST138

TANK FARM 2

Underground Tank Farm

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Sediment (Human): Risk Not Evaluated

Contaminants: DDE 0.013000000000000001 mg/kg DDT 0.015 mg/kg Aroclor 1254 0.098 mg/kg Selenium 0.14 mg/kg Beryllium and compounds 0.19 mg/kg Silver and compounds 0.26 mg/kg Antimony and compounds 0.6900000000000001 mg/kg Bis(2-Ethylhexyl)Phthalate 0.8200000000000001 mg/kg Molybdenum 1.4000000000000001 mg/kg Arsenic 3.8000000000000003 mg/kg Cobalt 6.8 mg/kg Cadmium and compounds 6.9 mg/kg Nickel (Soluble Salts) 16.0 mg/kg Vanadium 26.0 mg/kg Chromium 31.0 mg/kg Copper and compounds 49.0 mg/kg Barium 89.0 mg/kg Lead 92.0 mg/kg Zinc 180.0 mg/kg Manganese and compounds 220.0 mg/kg Aluminum 6500.0 mg/kg Iron 14000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Benzene, methyl- 0.0019 mg/kg Methyl Ethyl Ketone 0.0027 mg/kg Chrysene 0.0089 mg/kg cis-1,2-Dichloroethylene 0.0099333333 mg/kg Acetone 0.01365 mg/kg Trichloroethylene (TCE) 0.016 mg/kg Benzene 0.0192 mg/kg Benzo(def)Phenanthrene 0.033600000000000005 mg/kg Cadmium and compounds 0.07 mg/kg Acenaphthene 0.121 mg/kg Fluorene 0.15005000000000002 mg/kg Benzo(a)Pyrene 0.2 mg/kg Ethyl benzene 0.2205 mg/kg Beryllium and compounds 0.25 mg/kg Benz(a)Anthracene 0.3 mg/kg Silver and compounds 0.31 mg/kg Naphthalene 0.34800000000000003 mg/kg Indeno(1,2,3-cd)Pyrene 0.4 mg/kg Bis(2-Ethylhexyl)Phthalate 0.5 mg/kg Dibenzofuran 0.5 mg/kg Molybdenum 0.89 mg/kg 1,2-Benzacenaphthene 0.9 mg/kg Anthracene 1.1 mg/kg 2,3-Benzofluoranthene 1.2 mg/kg 8,9-Benzofluoranthene 1.2 mg/kg Cobalt 4.035 mg/kg Lead (Tetraethyl) 5.8500000000000005 mg/kg Nickel (Soluble Salts) 9.18 mg/kg 2-Methylnaphthalene 10.0 mg/kg Lead 10.34 mg/kg Copper and compounds 10.5 mg/kg Arsenic 12.0 mg/kg Chromium 15.370000000000001 mg/kg Zinc 18.685 mg/kg Vanadium 31.650000000000002 mg/kg Barium 100.5 mg/kg Bromobenzene 102.66666667000001 mg/kg Manganese and compounds 149.5 mg/kg Aluminum 5750.0 mg/kg Iron 11375.0 mg/kg

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Site ID: ST140

TANK FARM 4

Underground Tank Farm

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2016

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Ethyl benzene 0.15 ug/L Dichloropropane 0.17 ug/L o-Xylene 0.2 ug/L Chloroform 0.25 ug/L Benzene 0.7 ug/L Methylene Chloride 1.5 ug/L Benzene, methyl- 1.7 ug/L cis-1,2-Dichloroethylene 2.5 ug/L 1,2-Dichloroethane (EDC) 24.0 ug/L Trichloroethylene (TCE) 35.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Ethyl benzene 0.0063 mg/kg Cadmium and compounds 0.0545 mg/kg Acetone 0.061 mg/kg Silver and compounds 0.22 mg/kg Beryllium and compounds 0.54 mg/kg Benzene, methyl- 1.0 mg/kg Bis(2-Ethylhexyl)Phthalate 1.0 mg/kg Molybdenum 1.0 mg/kg Naphthalene 2.5666666667 mg/kg 2-Methylnaphthalene 2.6 mg/kg Arsenic 5.2285714286000005 mg/kg Cobalt 9.85 mg/kg Lead 11.15 mg/kg Copper and compounds 12.25 mg/kg Nickel (Soluble Salts) 14.450000000000001 mg/kg Zinc 23.725 mg/kg Chromium 24.150000000000002 mg/kg Vanadium 49.1 mg/kg Benzo(a)Pyrene 95.666666667 mg/kg Barium 183.175 mg/kg Manganese and compounds 360.25 mg/kg Aluminum 15097.5 mg/kg Iron 18200.0 mg/kg

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Site ID: ST143

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, methyl- 0.56 ug/L Benzene 0.56 ug/L 1,2-Dichloroethane (EDC) 0.94 ug/L 1,2-Dichlorobenzene 1.85 ug/L Acetone 5.3 ug/L Chloroform 16.5 ug/L 1,1-Dichloroethylene 19.5 ug/L cis-1,2-Dichloroethylene 23.5 ug/L 1,1-Dichloroethane 40.0 ug/L Trichloroethylene (TCE) 62.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Indeno(1,2,3-cd)Pyrene 0.045 mg/kg Anthracene 0.052000000000000005 mg/kg Bis(2-Ethylhexyl)Phthalate 0.055 mg/kg Dibenz[ah]anthracene 0.074 mg/kg Benzo(a)Pyrene 0.093 mg/kg Benz(a)Anthracene 0.13 mg/kg Chrysene 0.15 mg/kg 2,3-Benzofluoranthene 0.16 mg/kg Dibutyl Phthalate 0.19 mg/kg 1,2-Benzacenaphthene 0.2 mg/kg Benzo(def)Phenanthrene 0.21 mg/kg Beryllium and compounds 0.385 mg/kg Cadmium and compounds 0.4783333333 mg/kg Silver and compounds 0.96 mg/kg Molybdenum 1.1 mg/kg Arsenic 4.5 mg/kg Benzenol 5.0 mg/kg Cobalt 10.0 mg/kg Naphthalene 13.0 mg/kg Fluorene 22.0 mg/kg Copper and compounds 22.3 mg/kg Nickel (Soluble Salts) 23.75 mg/kg Chromium 29.2 mg/kg 2-Methylnaphthalene 39.0 mg/kg Zinc 47.25 mg/kg Vanadium 54.7 mg/kg Lead 69.95425 mg/kg Barium 174.0 mg/kg Manganese and compounds 552.0 mg/kg Aluminum 14300.0 mg/kg Iron 20600.0 mg/kg

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Site ID: ST141

TANK FARM 5

Underground Tank Farm

Cost

$237K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, chloro- 0.0566 ug/L Ethyl benzene 0.0691 ug/L Methylene Chloride 0.0793 ug/L Benzene 0.0846 ug/L 1-Phenylpropane 0.11 ug/L 1,2-trans-dichloroethylene 0.12 ug/L o-Xylene 0.145 ug/L 1,1,1-Trichloroethane 0.161 ug/L Freon 113 0.1635 ug/L Methylene Bromide 0.17 ug/L Benzene, p-dichloro- 0.174 ug/L Beryllium and compounds 0.2 ug/L Lead 0.21 ug/L 1,3,5-Trimethylbenzene 0.215 ug/L Trichloroethylene (TCE) 0.24 ug/L 1,2,4-Trimethylbenzene 0.28 ug/L Chloroform 0.29 ug/L Naphthalene 0.3 ug/L Carbon Tetrachloride 0.32 ug/L 1,2-Dichloroethane (EDC) 0.33 ug/L cis-1,2-Dichloroethylene 0.337 ug/L 1,3-Dichlorobenzene 0.365 ug/L Carbon Dichloride 0.4 ug/L 1,2-Dichlorobenzene 0.4 ug/L Benzene, methyl- 0.401 ug/L 1,1-Dichloroethylene 0.46 ug/L 1,1-Dichloroethane 0.48 ug/L Molybdenum 0.5 ug/L Cobalt 0.6 ug/L Antimony and compounds 0.74 ug/L Copper and compounds 0.74 ug/L Selenium 1.0 ug/L Zinc 1.5 ug/L 2-Hexanone 1.6 ug/L Methyl Ethyl Ketone 3.0 ug/L Chromium 3.7 ug/L Manganese and compounds 5.1 ug/L Acetone 5.15 ug/L Aluminum 5.2 ug/L Arsenic 6.4 ug/L Vanadium 38.0 ug/L Nickel (Soluble Salts) 65.0 ug/L Iron 130.0 ug/L Barium 170.0 ug/L

Soil: Risk Not Evaluated

Contaminants: 8,9-Benzofluoranthene 0.0017 mg/kg Methyl Ethyl Ketone 0.0024 mg/kg Indeno(1,2,3-cd)Pyrene 0.004 mg/kg 2,3-Benzofluoranthene 0.0087 mg/kg Benzo(a)Pyrene 0.01 mg/kg Fluorene 0.014 mg/kg Acetone 0.014199999999999999 mg/kg 1,2-Benzacenaphthene 0.015 mg/kg Benz(a)Anthracene 0.018000000000000002 mg/kg Benzo(def)Phenanthrene 0.027 mg/kg Chrysene 0.032 mg/kg Bis(2-Ethylhexyl)Phthalate 0.12 mg/kg Beryllium and compounds 0.385 mg/kg Naphthalene 0.907 mg/kg Ethyl benzene 1.952 mg/kg 1-Phenylpropane 2.7007 mg/kg 2-Methylnaphthalene 3.0 mg/kg o-Xylene 5.9 mg/kg Benzene, methyl- 9.200000000000001 mg/kg Cobalt 9.6 mg/kg 1,3,5-Trimethylbenzene 11.5025 mg/kg Lead 12.8 mg/kg Arsenic 16.025 mg/kg Copper and compounds 18.0 mg/kg n-Butylbenzene 20.0 mg/kg 1,2,4-Trimethylbenzene 24.007 mg/kg Nickel (Soluble Salts) 30.25 mg/kg Chromium 36.25 mg/kg Zinc 41.85 mg/kg Vanadium 64.15 mg/kg Barium 162.5 mg/kg Manganese and compounds 293.0 mg/kg Aluminum 15800.0 mg/kg Iron 20400.0 mg/kg

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Site ID: ST144

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2016

This site is under ongoing monitoring until Sep 2046

Site ID: ST170

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 2018

This site is under ongoing monitoring until Jun 2047

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Methylene Chloride 7.0 ug/L 1,2-Dichloroethane (EDC) 8.5 ug/L Benzene 12.5 ug/L 1,1-Dichloroethylene 18.0 ug/L 1,1-Dichloroethane 22.0 ug/L cis-1,2-Dichloroethylene 26.0 ug/L Chloroform 34.0 ug/L Trichloroethylene (TCE) 330.0 ug/L

Soil: Risk Not Evaluated

Contaminants: 2,3-Benzofluoranthene 0.0012 mg/kg Freon 113 0.007 mg/kg Benzene 0.017 mg/kg Bis(2-Ethylhexyl)Phthalate 0.17 mg/kg Molybdenum 0.28300000000000003 mg/kg Beryllium and compounds 0.34400000000000003 mg/kg Cadmium and compounds 0.393 mg/kg Arsenic 1.6400000000000001 mg/kg Cobalt 7.19 mg/kg Lead 8.1 mg/kg Naphthalene 10.01 mg/kg Copper and compounds 16.1 mg/kg Nickel (Soluble Salts) 19.2 mg/kg Chromium 31.0 mg/kg Zinc 37.800000000000004 mg/kg Vanadium 46.0 mg/kg Barium 88.9 mg/kg Manganese and compounds 278.0 mg/kg Aluminum 13300.0 mg/kg Iron 15700.0 mg/kg

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171 Inactive Sites

Sites where military cleanup actions are complete, according to the DOD. Note that this status does not necessarily mean the site is no longer hazardous, as many of these sites are put under long-term monitoring or other restrictions.

Site ID: SS098

OPEN STORAGE

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,2-Dichloroethane (EDC) 0.0321 ug/L Benzene 0.0892 ug/L Antimony and compounds 0.1 ug/L 1,1,2,2-Tetrachloroethane 0.146 ug/L Carbon Tetrachloride 0.179 ug/L 1,1-Dichloroethylene 0.197 ug/L Bromodichloromethane 0.2 ug/L 1,3-Dichlorobenzene 0.204 ug/L Ethyl benzene 0.219 ug/L cis-1,2-Dichloroethylene 0.22 ug/L Chloroform 0.22 ug/L Trichlorofluoromethane 0.31 ug/L Chloroethane 0.319 ug/L 1,4-Dimethylbenzene 0.346 ug/L Dichlorodifluoromethane 0.36 ug/L Carbon Dichloride 0.43 ug/L Lead 0.43 ug/L Cobalt 0.46 ug/L Copper and compounds 0.51 ug/L Chloromethane (methyl chloride) 0.52 ug/L Freon 113 0.52 ug/L Cadmium and compounds 0.61 ug/L Selenium 0.66 ug/L 1,2-Dichlorobenzene 0.684 ug/L Trichloroethylene (TCE) 0.98 ug/L Bis(2-Ethylhexyl)Phthalate 1.0 ug/L Methylene Chloride 1.1 ug/L Benzene, methyl- 1.11 ug/L Vinyl 2-Chloroethyl Ether 2.45 ug/L Benzene, chloro- 2.51 ug/L Molybdenum 2.7 ug/L Zinc 4.0 ug/L Arsenic 5.0 ug/L Acetone 5.4 ug/L Manganese and compounds 6.2 ug/L Barium 13.0 ug/L Chromium 16.0 ug/L Vanadium 28.0 ug/L Aluminum 29.0 ug/L Nickel (Soluble Salts) 34.0 ug/L Iron 180.0 ug/L

Soil: Risk Not Evaluated

Contaminants: HCH (alpha) 0.001 mg/kg cis-1,2-Dichloroethylene 0.00466 mg/kg 8,9-Benzofluoranthene 0.0054 mg/kg DDE 0.006 mg/kg Benzo(a)Pyrene 0.0060999999999999995 mg/kg Indeno(1,2,3-cd)Pyrene 0.0070999999999999995 mg/kg Benz(a)Anthracene 0.0078 mg/kg Chrysene 0.0099 mg/kg Benzo(def)Phenanthrene 0.01 mg/kg 2,3-Benzofluoranthene 0.012 mg/kg 1,1,1-Trichloroethane 0.013000000000000001 mg/kg Aroclor-1242 0.11 mg/kg Beryllium and compounds 0.4 mg/kg Trichloroethylene (TCE) 0.5736333333 mg/kg Bis(2-Ethylhexyl)Phthalate 0.6 mg/kg Silver and compounds 0.7000000000000001 mg/kg Carbon Dichloride 0.8347666667 mg/kg Molybdenum 1.1400000000000001 mg/kg Arsenic 2.3000000000000003 mg/kg Cyanide (free) 2.9 mg/kg Naphthalene 3.24 mg/kg Antimony and compounds 3.85 mg/kg Cadmium and compounds 5.4 mg/kg Selenium 8.14 mg/kg Cobalt 9.1 mg/kg Biphenyl, polychloro- 18.0 mg/kg Lead 18.0 mg/kg Copper and compounds 23.0 mg/kg Vanadium 40.0 mg/kg Chromium 44.0 mg/kg Nickel (Soluble Salts) 53.0 mg/kg Zinc 99.0 mg/kg Barium 160.0 mg/kg Manganese and compounds 274.0 mg/kg Aluminum 12300.0 mg/kg Iron 19300.0 mg/kg

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Site ID: SS094

ASBESTOS STORAGE

Spill Site Area

Cost

Unknown

Final Cleanup Action

Sep 2012

Site ID: SS166

UNKNOWN

Spill Site Area

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.19 mg/kg Dibutyl Phthalate 0.58 mg/kg Bis(2-Ethylhexyl)Phthalate 0.6 mg/kg Cadmium and compounds 0.84 mg/kg Naphthalene 2.3000000000000003 mg/kg Lead 8.2 mg/kg Cobalt 9.5 mg/kg Copper and compounds 24.0 mg/kg Zinc 37.0 mg/kg Chromium 41.0 mg/kg Nickel (Soluble Salts) 42.0 mg/kg Vanadium 49.0 mg/kg Barium 78.0 mg/kg Manganese and compounds 240.0 mg/kg Aluminum 10000.0 mg/kg Iron 19000.0 mg/kg

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Site ID: SS184

GAS STATION

Spill Site Area

Cost

Unknown

Final Cleanup Action

Sep 2012

Site ID: SS241

OPEN STORAGE AREA

Spill Site Area

Cost

Unknown

Final Cleanup Action

Sep 2012

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Lead 0.088 ug/L Cobalt 0.15 ug/L Molybdenum 0.26 ug/L Antimony and compounds 0.29 ug/L Copper and compounds 0.61 ug/L Methylene Chloride 0.82 ug/L Manganese and compounds 0.92 ug/L 1,1-Dichloroethylene 0.96 ug/L Trichloroethylene (TCE) 0.97 ug/L Chloroform 1.0 ug/L 1,4-Diethylene Dioxide 1.1 ug/L Aluminum 3.8 ug/L Acetone 3.9 ug/L Zinc 4.0 ug/L Arsenic 5.2 ug/L Chromium 10.0 ug/L Nickel (Soluble Salts) 12.0 ug/L Vanadium 27.0 ug/L Iron 37.0 ug/L Barium 37.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Naphthalene 0.002755 mg/kg Anthracene 0.00337 mg/kg Dibenz[ah]anthracene 0.0051600000000000005 mg/kg 8,9-Benzofluoranthene 0.01135 mg/kg Indeno(1,2,3-cd)Pyrene 0.01295 mg/kg Benz(a)Anthracene 0.0155 mg/kg Benzo(a)Pyrene 0.016300000000000002 mg/kg Chrysene 0.01735 mg/kg Benzo(def)Phenanthrene 0.019 mg/kg 2,3-Benzofluoranthene 0.02825 mg/kg 1,2-Benzacenaphthene 0.067 mg/kg Dibutyl Phthalate 0.2425 mg/kg Antimony and compounds 0.248 mg/kg Cadmium and compounds 0.358 mg/kg Molybdenum 0.434 mg/kg Silver and compounds 0.4815 mg/kg Beryllium and compounds 0.559 mg/kg Benzenedicarboxylate 1.25 mg/kg Bis(2-Ethylhexyl)Phthalate 2.711 mg/kg Arsenic 5.36 mg/kg Cobalt 7.735 mg/kg Nickel (Soluble Salts) 21.85 mg/kg Copper and compounds 32.25 mg/kg Chromium 41.2 mg/kg Vanadium 42.050000000000004 mg/kg Lead 99.8 mg/kg Zinc 119.0 mg/kg Barium 137.0 mg/kg Manganese and compounds 266.0 mg/kg Aluminum 14335.0 mg/kg Iron 16000.0 mg/kg

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Site ID: SS195

OIL STORAGE YARD

Spill Site Area

Cost

Unknown

Final Cleanup Action

Feb 2000

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: o-Xylene 0.3 ug/L Benzene, p-dichloro- 0.4 ug/L Bromodichloromethane 0.6 ug/L 1,3,5-Trimethylbenzene 0.9 ug/L 1,2,4-Trimethylbenzene 1.0 ug/L 1,2-Dichlorobenzene 2.0 ug/L cis-1,2-Dichloroethylene 2.7 ug/L Benzene, methyl- 2.8 ug/L Chloroform 3.1 ug/L Benzene 3.6 ug/L Trichloroethylene (TCE) 6.9 ug/L

Soil: Risk Not Evaluated

Contaminants: Naphthalene 4.2666666667 mg/kg

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Site ID: SS243

SOIL CONTAMINATION

Spill Site Area

Cost

Unknown

Final Cleanup Action

Sep 2008

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: HCH (beta) 0.019 ug/L Benzene, chloro- 0.0473 ug/L Beryllium and compounds 0.055 ug/L Silver and compounds 0.056 ug/L Ethyl benzene 0.0836 ug/L 1,1,1-Trichloroethane 0.205 ug/L Methylene Bromide 0.209 ug/L Benzene 0.224 ug/L Selenium 0.225 ug/L Bromobenzene 0.254 ug/L 1,1-Dichloroethane 0.26 ug/L o-Xylene 0.28 ug/L Carbon Dichloride 0.29 ug/L 1,2-trans-dichloroethylene 0.29 ug/L Chloromethane (methyl chloride) 0.29 ug/L Chloroethane 0.315 ug/L Freon 113 0.34 ug/L Benzene, methyl- 0.369 ug/L 1,2,4-Trimethylbenzene 0.4 ug/L Bromodichloromethane 0.405 ug/L Hexachlorobutadiene 0.413 ug/L Chlorodibromomethane 0.452 ug/L 1,1-Dichloroethylene 0.47 ug/L Carbon Tetrachloride 0.5 ug/L Methylene Chloride 0.54 ug/L Chloroform 0.55 ug/L 1,2-Dichloroethene 0.56 ug/L Cadmium and compounds 0.57 ug/L Trichlorofluoromethane 0.67 ug/L 1,2-Dichloroethane (EDC) 0.73 ug/L Antimony and compounds 0.86 ug/L cis-1,2-Dichloroethylene 1.0 ug/L Lead 1.045 ug/L Carbon Disulfide 1.1 ug/L Bromoform 1.1965 ug/L Indeno(1,2,3-cd)Pyrene 1.4 ug/L Dibutyl Phthalate 2.0 ug/L Vinyl 2-Chloroethyl Ether 2.49 ug/L Molybdenum 2.8 ug/L Diethyl Phthalate 2.9 ug/L 1,3,5-Trimethylbenzene 3.0 ug/L Dibenz[ah]anthracene 3.5 ug/L Methyl Ethyl Ketone 5.4 ug/L Zinc 5.9 ug/L Naphthalene 5.95 ug/L Arsenic 7.0 ug/L Cobalt 9.8 ug/L Manganese and compounds 13.0 ug/L Copper and compounds 18.25 ug/L Acetone 30.0 ug/L Trichloroethylene (TCE) 30.0 ug/L Vanadium 43.0 ug/L Aluminum 70.0 ug/L Barium 165.0 ug/L Nickel (Soluble Salts) 465.0 ug/L Chromium 806.0 ug/L Bis(2-Ethylhexyl)Phthalate 2100.0 ug/L Iron 12075.0 ug/L

Soil: Risk Not Evaluated

Contaminants: DDD 0.001 mg/kg DDE 0.0057 mg/kg DDT 0.010050000000000002 mg/kg Trichloroethylene (TCE) 0.078 mg/kg Beryllium and compounds 0.213 mg/kg Naphthalene 2.21 mg/kg Arsenic 4.82 mg/kg Cobalt 6.4833333333 mg/kg Cadmium and compounds 7.1875 mg/kg Lead 10.700000000000001 mg/kg Chromium 11.33 mg/kg Nickel (Soluble Salts) 14.766666666999999 mg/kg Copper and compounds 20.633333333 mg/kg Vanadium 32.6 mg/kg Zinc 33.166666667 mg/kg Barium 211.0 mg/kg Manganese and compounds 915.3333333300001 mg/kg Aluminum 9290.0 mg/kg Iron 13733.333333 mg/kg

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Site ID: AT313

FTA (FIRE TRAINING AREA)

Fire/Crash Training Area

Cost

$407K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: cis-1,2-Dichloroethylene 1.0 ug/L Dichlorodifluoromethane 3.9666667 ug/L 1,1-Dichloroethane 4.1 ug/L 1,2-Dichloroethane (EDC) 4.7 ug/L Trichloroethylene (TCE) 18.584 ug/L 1,1-Dichloroethylene 48.6 ug/L

Soil: Risk Not Evaluated

Contaminants: Dieldrin 0.01 mg/kg 1,2-Benzacenaphthene 0.079 mg/kg Anthracene 0.14 mg/kg Chrysene 0.21 mg/kg Beryllium and compounds 0.28 mg/kg 8,9-Benzofluoranthene 0.4 mg/kg 2,3-Benzofluoranthene 0.54 mg/kg Benz(a)Anthracene 0.56 mg/kg Cadmium and compounds 0.74 mg/kg Butyl Benzyl Phthalate 0.74 mg/kg Indeno(1,2,3-cd)Pyrene 0.75 mg/kg Benzo(a)Pyrene 0.9500000000000001 mg/kg Dibutyl Phthalate 1.565 mg/kg Benzo(def)Phenanthrene 2.0 mg/kg Naphthalene 2.4966666667 mg/kg Cobalt 8.2 mg/kg Copper and compounds 9.700000000000001 mg/kg Nickel (Soluble Salts) 12.0 mg/kg Zinc 24.0 mg/kg Chromium 26.0 mg/kg Lead 31.0 mg/kg Vanadium 40.0 mg/kg Barium 100.0 mg/kg Manganese and compounds 290.0 mg/kg Aluminum 8100.0 mg/kg Iron 14000.0 mg/kg

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Site ID: ST135

SOLVENT UNDERGROUND STORAGE TANKS AT BLDG. 1093

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Carbon Tetrachloride 0.0012 mg/kg Tetrachloroethylene 0.0029 mg/kg 1,1-Dichloroethane 0.0035 mg/kg 1,1,1-Trichloroethane 0.0047 mg/kg Benzene 0.007 mg/kg Trichlorofluoromethane 0.007 mg/kg Chloroform 0.008 mg/kg Trichloroethylene (TCE) 0.0094 mg/kg Toluene 0.0099 mg/kg Dioxin 0.0154 mg/kg 1,1,2-Trichloro-1,2,2-Trifluoroethane 0.07 mg/kg Beryllium and compounds 0.53 mg/kg Chrysene 0.78 mg/kg Phenanthrene 1.6 mg/kg Arsenic 20.0 mg/kg Cadmium and compounds 150.0 mg/kg Nickel (Soluble Salts) 450.0 mg/kg Lead 4500.0 mg/kg Chromium VI and compounds 31000.0 mg/kg

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Site ID: SS254

LABORATORY

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2008

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.255 mg/kg Cadmium and compounds 0.3575 mg/kg Arsenic 5.61125 mg/kg Cobalt 8.025 mg/kg Lead 8.5 mg/kg Nickel (Soluble Salts) 14.325000000000001 mg/kg Chromium 15.325000000000001 mg/kg Copper and compounds 18.6 mg/kg Zinc 33.775 mg/kg Vanadium 38.825 mg/kg Barium 132.275 mg/kg Manganese and compounds 282.0 mg/kg Aluminum 12525.0 mg/kg Iron 15025.0 mg/kg

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Site ID: DP021

SLUDGE/OIL PIT

Disposal Pit and Dry Well

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2014

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Dibutyl Phthalate 0.014 mg/kg Aroclor 1254 0.031 mg/kg Cadmium and compounds 0.051000000000000004 mg/kg Antimony and compounds 0.094 mg/kg Beryllium and compounds 0.16 mg/kg Silver and compounds 0.168 mg/kg Selenium 0.2925 mg/kg Bis(2-Ethylhexyl)Phthalate 0.4055 mg/kg Molybdenum 0.67 mg/kg Arsenic 1.6 mg/kg Naphthalene 2.72 mg/kg Lead 3.0 mg/kg Cobalt 5.5 mg/kg Nickel (Soluble Salts) 10.0 mg/kg Copper and compounds 11.0 mg/kg Chromium 17.0 mg/kg Zinc 26.0 mg/kg Vanadium 41.0 mg/kg Barium 64.0 mg/kg Manganese and compounds 190.0 mg/kg Aluminum 7000.0 mg/kg Iron 15000.0 mg/kg

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Site ID: DP028

SKIMMING BASIN

Disposal Pit and Dry Well

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2014

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Dibenzo(b,e)(1,4)dioxin,2,3,7,8-tetrachloro- 1.3e-06 mg/kg 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 3.1e-05 mg/kg Dieldrin 0.0007199999999999999 mg/kg 1,2-Benzacenaphthene 0.0015 mg/kg Chrysene 0.0015 mg/kg Benzo(def)Phenanthrene 0.0019 mg/kg Naphthalene 0.0021000000000000003 mg/kg 2,3-Benzofluoranthene 0.0022 mg/kg DDE 0.0026000000000000003 mg/kg DDD 0.005 mg/kg DDT 0.0074 mg/kg Aroclor 1254 0.052000000000000005 mg/kg Antimony and compounds 0.17 mg/kg Selenium 0.29 mg/kg Beryllium and compounds 0.34 mg/kg Molybdenum 0.41000000000000003 mg/kg Silver and compounds 0.46 mg/kg Bis(2-Ethylhexyl)Phthalate 0.47000000000000003 mg/kg Cadmium and compounds 2.4 mg/kg Arsenic 2.9 mg/kg Cobalt 7.5 mg/kg Nickel (Soluble Salts) 16.0 mg/kg Lead 18.0 mg/kg Copper and compounds 26.0 mg/kg Chromium 28.0 mg/kg Vanadium 43.0 mg/kg Zinc 45.0 mg/kg Barium 100.0 mg/kg Manganese and compounds 270.0 mg/kg Aluminum 10000.0 mg/kg Iron 17000.0 mg/kg

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Site ID: SS240

SOIL CONTAMINATION

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, chloro- 0.0549 ug/L Benzene, methyl- 0.093 ug/L Trichlorofluoromethane 0.097 ug/L Methylene Chloride 0.109 ug/L Lead 0.12 ug/L Chloromethane (methyl chloride) 0.124 ug/L Cobalt 0.22 ug/L 1,1,1-Trichloroethane 0.23 ug/L Bromobenzene 0.248 ug/L Cadmium and compounds 0.32 ug/L Vinyl 2-Chloroethyl Ether 0.341 ug/L Beryllium and compounds 0.4 ug/L Antimony and compounds 0.44 ug/L 1,1-Dichloroethane 0.51 ug/L Selenium 0.64 ug/L cis-1,2-Dichloroethylene 0.67 ug/L Benzene 0.79 ug/L Copper and compounds 0.99 ug/L Carbon Dichloride 1.29 ug/L 1,1-Dichloroethylene 2.2 ug/L Manganese and compounds 2.6 ug/L 1,2-Dichloroethane (EDC) 3.37 ug/L Molybdenum 4.4 ug/L Arsenic 5.2 ug/L Acetone 5.4 ug/L Aluminum 5.8 ug/L Zinc 8.4 ug/L Silver and compounds 12.0 ug/L Chromium 17.0 ug/L Vanadium 24.0 ug/L Trichloroethylene (TCE) 30.0 ug/L Barium 45.0 ug/L Iron 57.0 ug/L Nickel (Soluble Salts) 210.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.09557500000000001 mg/kg Bis(2-Ethylhexyl)Phthalate 0.128 mg/kg Selenium 0.34400000000000003 mg/kg Beryllium and compounds 0.55025 mg/kg Molybdenum 1.058 mg/kg Arsenic 2.6575 mg/kg Lead 10.4 mg/kg Cobalt 11.725 mg/kg Copper and compounds 20.05 mg/kg Chromium 24.625 mg/kg Nickel (Soluble Salts) 32.95 mg/kg Zinc 38.0 mg/kg Vanadium 42.925000000000004 mg/kg Barium 338.65000000000003 mg/kg Manganese and compounds 1003.7 mg/kg Aluminum 13852.5 mg/kg Iron 19025.0 mg/kg

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Site ID: DP030

SURFACE SPILL AREA

Disposal Pit and Dry Well

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Ethyl benzene 0.0503 ug/L Benzene, chloro- 0.0597 ug/L Benzene 0.0648 ug/L 1,2-trans-dichloroethylene 0.0747 ug/L Lead 0.13 ug/L Benzene, methyl- 0.1415 ug/L Antimony and compounds 0.17 ug/L Chloromethane (methyl chloride) 0.172 ug/L 1,1-Dichloroethane 0.21 ug/L 1,1-Dichloroethylene 0.28 ug/L Chloroform 0.31 ug/L 1,2-Dichloroethane (EDC) 0.34 ug/L 1,2-Dichloroethene 0.43 ug/L Cobalt 0.6 ug/L Selenium 0.6 ug/L Methylene Chloride 0.602 ug/L 1,1,1-Trichloroethane 0.634 ug/L Carbon Dichloride 0.98 ug/L Copper and compounds 1.1 ug/L Carbon Tetrachloride 1.3 ug/L Cadmium and compounds 1.3 ug/L Silver and compounds 1.5 ug/L 1,2,3-Trichloropropane 2.27 ug/L Vinyl 2-Chloroethyl Ether 2.35 ug/L Bromoform 2.43 ug/L Methylene Bromide 2.94 ug/L Bis(2-Ethylhexyl)Phthalate 3.07 ug/L Molybdenum 3.2 ug/L Zinc 3.3 ug/L 1,4-Diethylene Dioxide 4.2 ug/L Methyl Ethyl Ketone 4.3 ug/L Trichloroethylene (TCE) 4.7 ug/L Arsenic 6.6 ug/L Acetone 8.5 ug/L cis-1,2-Dichloroethylene 12.0 ug/L Manganese and compounds 16.0 ug/L Aluminum 24.0 ug/L Vanadium 26.0 ug/L Bromobenzene 26.5 ug/L Chromium 32.0 ug/L Freon 113 59.0 ug/L Barium 61.0 ug/L Nickel (Soluble Salts) 200.0 ug/L Iron 870.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Ethyl benzene 0.00071 mg/kg Chloroform 0.005900000000000001 mg/kg Aroclor 1254 0.0211 mg/kg o-Xylene 0.033049999999999996 mg/kg Benzene, methyl- 0.0491025 mg/kg Silver and compounds 0.098 mg/kg Selenium 0.36 mg/kg Cadmium and compounds 0.5700000000000001 mg/kg Beryllium and compounds 0.58 mg/kg Molybdenum 0.85 mg/kg Arsenic 2.4 mg/kg Naphthalene 2.5333333333000003 mg/kg Trichloroethylene (TCE) 5.680066666699999 mg/kg Lead 11.0 mg/kg Copper and compounds 17.0 mg/kg Nickel (Soluble Salts) 29.0 mg/kg Chromium 33.0 mg/kg Vanadium 44.0 mg/kg Zinc 58.0 mg/kg Cobalt 71.0 mg/kg Barium 230.0 mg/kg Manganese and compounds 310.0 mg/kg Aluminum 15000.0 mg/kg Iron 17000.0 mg/kg

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Site ID: TU307

TANK 761 (DIESEL UNDERGROUND STORAGE TANKS)

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Naphthalene 2.6933333333 mg/kg

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Site ID: SS242

WASHRACK

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: cis-1,2-Dichloroethylene 0.00285 mg/kg Selenium 0.15333333329999999 mg/kg Bis(2-Ethylhexyl)Phthalate 0.191 mg/kg 4-Cresol 0.3 mg/kg Molybdenum 0.445 mg/kg 2-Cresol 0.5 mg/kg Beryllium and compounds 0.5166666666999999 mg/kg Cadmium and compounds 2.0033333333 mg/kg Naphthalene 2.0566666667 mg/kg Arsenic 2.1 mg/kg o-Xylene 2.2945 mg/kg Carbon Dichloride 2.3908666667000005 mg/kg Benzene, methyl- 2.5659909091 mg/kg Lead 3.9666666667 mg/kg Antimony and compounds 6.0200000000000005 mg/kg Silver and compounds 6.4433333333 mg/kg Cobalt 9.433333333299998 mg/kg Copper and compounds 12.333333333 mg/kg Nickel (Soluble Salts) 23.333333333 mg/kg Zinc 24.666666667 mg/kg Chromium 29.666666667 mg/kg Vanadium 32.666666667 mg/kg Bromobenzene 90.0 mg/kg Barium 93.333333333 mg/kg Manganese and compounds 140.0 mg/kg Aluminum 9833.333333300001 mg/kg Iron 14333.333333 mg/kg

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Site ID: ST172

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Benzo(a)Pyrene 0.0012 mg/kg Fluorene 0.00142 mg/kg Anthracene 0.0027 mg/kg Benz(a)Anthracene 0.00449 mg/kg 1,2-Benzacenaphthene 0.00541 mg/kg Chrysene 0.0063 mg/kg 2,3-Benzofluoranthene 0.0067 mg/kg Acenaphthene 0.0070999999999999995 mg/kg Benzo(def)Phenanthrene 0.00789 mg/kg Freon 113 0.022 mg/kg Naphthalene 0.218 mg/kg Beryllium and compounds 0.3333333333 mg/kg o-Xylene 1.5 mg/kg Benzene, methyl- 3.8000000000000003 mg/kg Cobalt 9.666666666700001 mg/kg Lead 11.0 mg/kg Nickel (Soluble Salts) 18.333333333 mg/kg Chromium 19.333333333 mg/kg Copper and compounds 20.666666667 mg/kg Vanadium 39.0 mg/kg Zinc 51.0 mg/kg Ethyl benzene 110.0 mg/kg Barium 193.33333333 mg/kg Manganese and compounds 436.66666667000004 mg/kg Aluminum 16666.666667 mg/kg Iron 23333.333333000002 mg/kg

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Site ID: ST186

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Aug 2009

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Methylene Chloride 0.0901 ug/L Ethyl benzene 0.0932 ug/L Chloromethane (methyl chloride) 0.0965 ug/L Lead 0.13 ug/L Antimony and compounds 0.13 ug/L 1,1-Dichloroethylene 0.134 ug/L Carbon Tetrachloride 0.175 ug/L Methylene Bromide 0.204 ug/L Dichloropropane 0.218 ug/L Trichlorofluoromethane 0.22 ug/L 1,2-trans-dichloroethylene 0.23 ug/L Freon 113 0.254 ug/L Benzene, chloro- 0.26 ug/L Carbon Dichloride 0.28 ug/L 1,2-Dichloroethane (EDC) 0.31 ug/L Benzene 0.315 ug/L Bromomethane 0.472 ug/L Cobalt 0.48 ug/L Molybdenum 0.64 ug/L Benzene, methyl- 0.788 ug/L Chloroform 0.97 ug/L 1,1,1-Trichloroethane 1.02 ug/L Selenium 2.35 ug/L Beryllium and compounds 2.7 ug/L Copper and compounds 2.8 ug/L Manganese and compounds 4.8 ug/L Arsenic 5.1 ug/L Acetone 6.63 ug/L Bis(2-Ethylhexyl)Phthalate 6.69 ug/L Zinc 8.4 ug/L 1,2-Dichloroethene 11.5 ug/L cis-1,2-Dichloroethylene 13.0 ug/L Trichloroethylene (TCE) 21.0 ug/L Vanadium 28.0 ug/L Nickel (Soluble Salts) 30.0 ug/L Aluminum 38.0 ug/L Chromium 43.0 ug/L Barium 70.0 ug/L Boron 106.0 ug/L Strontium (Stable) 200.5 ug/L Iron 370.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Naphthalene 2.6350000000000002 mg/kg Lead 4.65 mg/kg

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Site ID: ST175

LINCOLN

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Feb 2003

Site ID: ST198

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Sep 2008

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene 0.0928 ug/L Benzene, 1,2,4-trichloro- 0.097 ug/L Methylene Chloride 0.11 ug/L Beryllium and compounds 0.14 ug/L Cadmium and compounds 0.23 ug/L 1,2-trans-dichloroethylene 0.25 ug/L Benzene, methyl- 0.26 ug/L cis-1,2-Dichloroethylene 0.27 ug/L Chloromethane (methyl chloride) 0.28 ug/L 1,1-Dichloroethylene 0.3 ug/L Freon 113 0.3 ug/L Molybdenum 0.33 ug/L Trichlorofluoromethane 0.36 ug/L Selenium 0.37 ug/L 1,1,2-Trichloroethane 0.41 ug/L Lead 0.45 ug/L Chloroform 0.46 ug/L Bromodichloromethane 0.61 ug/L Copper and compounds 0.74 ug/L Carbon Tetrachloride 0.88 ug/L Antimony and compounds 1.0 ug/L Nickel (Soluble Salts) 1.3 ug/L Cobalt 1.4 ug/L Methyl Ethyl Ketone 2.0 ug/L Arsenic 2.5 ug/L 1,1-Dichloroethane 2.5 ug/L Carbon Dichloride 2.9 ug/L Acetone 2.9 ug/L Manganese and compounds 5.0 ug/L Chromium 12.0 ug/L Zinc 17.0 ug/L Vanadium 19.0 ug/L Trichloroethylene (TCE) 33.0 ug/L Bis(2-Ethylhexyl)Phthalate 36.0 ug/L Aluminum 130.0 ug/L Iron 210.0 ug/L Barium 240.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Bis(2-Ethylhexyl)Phthalate 0.06570000000000001 mg/kg Silver and compounds 0.11 mg/kg Cadmium and compounds 0.1466666667 mg/kg Molybdenum 0.21 mg/kg Benzoic Acid 0.228 mg/kg Bis(2-chloroethyl)ether 0.462 mg/kg Beryllium and compounds 0.5750000000000001 mg/kg Antimony and compounds 0.71 mg/kg Arsenic 7.1333333333 mg/kg Cobalt 9.2333333333 mg/kg Lead 12.4 mg/kg Nickel (Soluble Salts) 23.733333333 mg/kg Copper and compounds 23.766666667000003 mg/kg Chromium 27.5 mg/kg Zinc 45.533333333 mg/kg Vanadium 49.85 mg/kg Barium 241.0 mg/kg Manganese and compounds 567.0 mg/kg Aluminum 16550.0 mg/kg Iron 21900.0 mg/kg

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Site ID: SS174

DAVIS

Spill Site Area

Cost

$6,000

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

May 2015

Site ID: LF024

LANDFILL

Landfill

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jan 2015

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, p-dichloro- 0.0673 ug/L Benzene 0.0918 ug/L Benzene, chloro- 0.131 ug/L Selenium 0.18 ug/L 1,2-Dichlorobenzene 0.2 ug/L Chloroform 0.21 ug/L Dichlorodifluoromethane 0.21 ug/L Bromobenzene 0.257 ug/L 1,2-trans-dichloroethylene 0.27 ug/L Lead 0.29 ug/L Cadmium and compounds 0.305 ug/L Carbon Tetrachloride 0.31 ug/L 1,2-Dichloroethane (EDC) 0.35 ug/L Carbon Dichloride 0.35 ug/L tert-Butylbenzene 0.4 ug/L cis-1,2-Dichloroethylene 0.42 ug/L Freon 113 0.454 ug/L 1,1-Dichloroethane 0.64 ug/L 1,1-Dichloroethylene 0.71 ug/L Trichlorofluoromethane 0.77 ug/L Beryllium and compounds 0.9 ug/L Methylene Chloride 0.91 ug/L 1,3,5-Trimethylbenzene 1.0 ug/L Molybdenum 1.3 ug/L Antimony and compounds 1.5 ug/L Silver and compounds 1.9 ug/L Benzene, methyl- 2.1 ug/L Ethyl benzene 2.4 ug/L o-Xylene 3.0 ug/L Trichloroethylene (TCE) 3.6 ug/L Methylene Bromide 3.85 ug/L 1,2,4-Trimethylbenzene 3.9 ug/L Cobalt 3.95 ug/L Arsenic 5.2 ug/L Copper and compounds 7.7 ug/L Bis(2-Ethylhexyl)Phthalate 8.8 ug/L Benzenol 9.0 ug/L Zinc 11.0 ug/L Methyl Ethyl Ketone 13.0 ug/L 1,3-Dichlorobenzene 20.525 ug/L Acetone 29.0 ug/L Chloromethane (methyl chloride) 31.0 ug/L Aluminum 32.0 ug/L Vanadium 36.0 ug/L Manganese and compounds 74.5 ug/L Barium 93.5 ug/L Chromium 234.5 ug/L Nickel (Soluble Salts) 430.0 ug/L Iron 5600.0 ug/L

Soil: Risk Not Evaluated

Contaminants: DDD 0.0036000000000000003 mg/kg 1,2-trans-dichloroethylene 0.00615 mg/kg 1,1-Dichloroethane 0.0076 mg/kg 1,2-Dichlorobenzene 0.008400000000000001 mg/kg Benzene, p-dichloro- 0.011 mg/kg DDE 0.015 mg/kg Ethyl benzene 0.036000000000000004 mg/kg 1,2-Dichloroethane (EDC) 0.0526 mg/kg Acetone 0.0635 mg/kg Benzene, chloro- 0.073 mg/kg Trichloroethylene (TCE) 0.1 mg/kg Bis(2-Ethylhexyl)Phthalate 0.12 mg/kg Methyl Ethyl Ketone 0.14250000000000002 mg/kg cis-1,2-Dichloroethylene 0.15 mg/kg 1,3-Dichlorobenzene 0.201525 mg/kg Benzene, methyl- 0.24 mg/kg Beryllium and compounds 0.325 mg/kg Silver and compounds 0.53 mg/kg Cadmium and compounds 0.76 mg/kg 2-Methylnaphthalene 0.86 mg/kg Molybdenum 0.91 mg/kg Naphthalene 1.5 mg/kg Arsenic 5.7 mg/kg Cobalt 6.8500000000000005 mg/kg Antimony and compounds 16.0 mg/kg Copper and compounds 18.75 mg/kg Nickel (Soluble Salts) 19.25 mg/kg Lead 27.75 mg/kg Selenium 30.5 mg/kg Chromium 30.6 mg/kg Zinc 41.75 mg/kg Vanadium 45.050000000000004 mg/kg Barium 264.5 mg/kg Manganese and compounds 283.5 mg/kg Aluminum 9495.0 mg/kg Iron 15650.0 mg/kg

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Site ID: WP049

HOLDING POND

Disposal Pit and Dry Well

Cost

Unknown

Final Cleanup Action

Mar 2013

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,1,1-Trichloroethane 0.0807 ug/L Antimony and compounds 0.097 ug/L 1,1-Dichloroethane 0.114 ug/L Lead 0.19 ug/L Trichloroethylene (TCE) 0.21 ug/L Methylene Chloride 0.292 ug/L Chloroform 0.35 ug/L Benzene, methyl- 0.396 ug/L Cobalt 0.48 ug/L Dichlorodifluoromethane 0.49 ug/L Molybdenum 0.5 ug/L Cadmium and compounds 0.68 ug/L Beryllium and compounds 0.9 ug/L Copper and compounds 1.2 ug/L Selenium 1.8 ug/L Aluminum 2.0 ug/L Manganese and compounds 2.1 ug/L 1,4-Diethylene Dioxide 2.2 ug/L Zinc 2.8 ug/L Arsenic 4.9 ug/L Acetone 5.305 ug/L Nickel (Soluble Salts) 11.0 ug/L Benzene, chloro- 14.2 ug/L Chromium 16.0 ug/L Vanadium 26.0 ug/L Barium 140.0 ug/L Iron 310.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Beryllium and compounds 0.39 mg/kg Dibutyl Phthalate 1.4000000000000001 mg/kg Naphthalene 3.62 mg/kg Cadmium and compounds 8.3 mg/kg Cobalt 8.5 mg/kg Lead 26.0 mg/kg Copper and compounds 27.0 mg/kg Nickel (Soluble Salts) 35.0 mg/kg Vanadium 64.0 mg/kg Zinc 76.0 mg/kg Chromium 100.0 mg/kg Manganese and compounds 240.0 mg/kg Barium 550.0 mg/kg Aluminum 17000.0 mg/kg Iron 24000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Acenaphthene 0.000254 mg/kg Cadmium and compounds 0.26 mg/kg Arsenic 1.0 mg/kg Cobalt 7.3 mg/kg Nickel (Soluble Salts) 10.9 mg/kg Copper and compounds 12.5 mg/kg Lead 18.6 mg/kg Chromium 20.1 mg/kg Zinc 30.7 mg/kg Vanadium 36.300000000000004 mg/kg Barium 82.5 mg/kg Manganese and compounds 260.0 mg/kg Aluminum 8180.0 mg/kg Iron 9830.0 mg/kg

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Site ID: DP050

FILL AREA

Disposal Pit and Dry Well

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2014

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Methylene Chloride 0.0568 ug/L cis-1,2-Dichloroethylene 0.0614 ug/L Antimony and compounds 0.09 ug/L Carbon Dichloride 0.0964 ug/L Lead 0.14 ug/L Benzene, methyl- 0.22 ug/L Chloroform 0.23 ug/L Dichlorodifluoromethane 0.26 ug/L Cadmium and compounds 0.43 ug/L Selenium 0.47 ug/L Copper and compounds 0.51 ug/L 1,1-Dichloroethylene 0.51 ug/L Trichloroethylene (TCE) 0.62 ug/L Molybdenum 1.1 ug/L Cobalt 1.7 ug/L 1,1-Dichloroethane 1.7 ug/L Aluminum 1.9 ug/L Arsenic 2.5 ug/L Zinc 5.0 ug/L 1,4-Diethylene Dioxide 11.0 ug/L Vanadium 20.0 ug/L Chromium 21.0 ug/L Bromobenzene 39.1 ug/L Manganese and compounds 58.0 ug/L Barium 150.0 ug/L Nickel (Soluble Salts) 170.0 ug/L Iron 1800.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Beryllium and compounds 0.3 mg/kg Naphthalene 3.7600000000000002 mg/kg Dibutyl Phthalate 4.0 mg/kg Cadmium and compounds 5.5 mg/kg Cobalt 11.0 mg/kg Nickel (Soluble Salts) 38.0 mg/kg Vanadium 42.0 mg/kg Chromium 45.0 mg/kg Copper and compounds 58.0 mg/kg Lead 160.0 mg/kg Barium 160.0 mg/kg Manganese and compounds 220.0 mg/kg Zinc 360.0 mg/kg Aluminum 6600.0 mg/kg Iron 14000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 1.0065e-06 mg/kg Heptachlor 0.000183 mg/kg Heptachlor Epoxide 0.000951 mg/kg Endrin 0.0015400000000000001 mg/kg HCH (alpha) 0.0015500000000000002 mg/kg HCH (gamma) Lindane 0.00235 mg/kg DDD 0.0031000000000000003 mg/kg Dieldrin 0.00315 mg/kg DDE 0.0040999999999999995 mg/kg DDT 0.0045000000000000005 mg/kg Fluorene 0.012 mg/kg Anthracene 0.02 mg/kg Acenaphthene 0.021 mg/kg 1,2-Benzacenaphthene 0.037 mg/kg Selenium 0.045 mg/kg Benzo(def)Phenanthrene 0.047 mg/kg Dibenz[ah]anthracene 0.047 mg/kg Benz(a)Anthracene 0.064 mg/kg 8,9-Benzofluoranthene 0.069 mg/kg Bis(2-Ethylhexyl)Phthalate 0.077 mg/kg Chrysene 0.08 mg/kg Silver and compounds 0.1225 mg/kg Molybdenum 0.14 mg/kg Indeno(1,2,3-cd)Pyrene 0.16 mg/kg 2,3-Benzofluoranthene 0.16 mg/kg Antimony and compounds 0.225 mg/kg Benzo(a)Pyrene 0.25 mg/kg Beryllium and compounds 0.5 mg/kg Cadmium and compounds 0.595 mg/kg Dibutyl Phthalate 1.44 mg/kg Naphthalene 2.705 mg/kg Arsenic 2.9 mg/kg Cobalt 14.1 mg/kg Lead 16.0 mg/kg Copper and compounds 27.666666667 mg/kg Nickel (Soluble Salts) 30.5 mg/kg Chromium 32.5 mg/kg Zinc 45.666666667 mg/kg Vanadium 74.0 mg/kg Barium 255.0 mg/kg Manganese and compounds 355.0 mg/kg Aluminum 16000.0 mg/kg Iron 24500.0 mg/kg

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Site ID: DP178

VADOSE ZONE

Disposal Pit and Dry Well

Cost

$1.16M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

May 2014

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Silver and compounds 0.052 ug/L 1,2,3-Trichloropropane 0.0715 ug/L Ethyl benzene 0.13 ug/L Carbon Tetrachloride 0.152 ug/L Chloromethane (methyl chloride) 0.175 ug/L Selenium 0.18 ug/L Benzene, chloro- 0.19 ug/L o-Xylene 0.19 ug/L 1,2,4-Trimethylbenzene 0.19 ug/L 1,2-trans-dichloroethylene 0.2 ug/L 1,3-Dichlorobenzene 0.205 ug/L 1,1,1-Trichloroethane 0.21 ug/L 1,2-Dichlorobenzene 0.21 ug/L Antimony and compounds 0.23 ug/L Bromodichloromethane 0.25 ug/L Naphthalene 0.25 ug/L Chloroform 0.26 ug/L Benzene, p-dichloro- 0.27 ug/L Benzene 0.29 ug/L Benzene, methyl- 0.31 ug/L Chloroethane 0.33 ug/L Cadmium and compounds 0.35 ug/L 1,1,2-Trichloroethane 0.35 ug/L Molybdenum 0.41 ug/L Dichloropropane 0.417 ug/L Copper and compounds 0.58 ug/L 1,1,2,2-Tetrachloroethane 0.634 ug/L Benzene, 1,2,4-trichloro- 0.667 ug/L Lead 0.68 ug/L Methylene Chloride 0.71 ug/L Chlorodibromomethane 0.735 ug/L Dichlorodifluoromethane 0.91 ug/L Ether,tert-butyl methyl 1.0 ug/L Bromomethane 1.0 ug/L Bromoform 1.17 ug/L Freon 113 1.2 ug/L Bis(2-Ethylhexyl)Phthalate 1.4 ug/L cis-1,2-Dichloroethylene 1.4 ug/L 1,1-Dichloroethane 1.6 ug/L Cobalt 1.7 ug/L 1,2-Dichloroethene 2.0 ug/L Dibutyl Phthalate 2.0 ug/L Methylene Bromide 2.36 ug/L Carbon Dichloride 2.5 ug/L Beryllium and compounds 2.7 ug/L 1,1-Dichloroethylene 2.7 ug/L Benzo(def)Phenanthrene 3.0 ug/L Trichlorofluoromethane 3.2 ug/L Vinyl Chloride 4.0 ug/L Vinyl 2-Chloroethyl Ether 4.12 ug/L Arsenic 4.2 ug/L Nickel (Soluble Salts) 4.8 ug/L Methyl Ethyl Ketone 5.3 ug/L Chromium 7.7 ug/L Trichloroethylene (TCE) 9.2 ug/L Acetone 11.0 ug/L Aluminum 13.0 ug/L Zinc 14.0 ug/L Vanadium 29.0 ug/L Bromobenzene 31.7 ug/L 1,2-Dichloroethane (EDC) 33.0 ug/L Iron 41.0 ug/L Barium 49.0 ug/L 1,4-Diethylene Dioxide 95.0 ug/L Manganese and compounds 310.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Fluorene 0.00046350000000000004 mg/kg Naphthalene 0.00132 mg/kg DDT 0.00195 mg/kg Heptachlor Epoxide 0.0024 mg/kg Benzodioxathiepin-3-Oxide 0.0024 mg/kg Aldrin 0.0024 mg/kg HCH (alpha) 0.0024 mg/kg HCH (beta) 0.0024 mg/kg HCH (gamma) Lindane 0.0024 mg/kg Heptachlor 0.0024 mg/kg Chlordane 0.0047 mg/kg Dieldrin 0.0047 mg/kg Endrin 0.0047 mg/kg DDD 0.0047 mg/kg DDE 0.0075 mg/kg Methoxychlor 0.024 mg/kg Aroclor 1254 0.047 mg/kg Aroclor-1232 0.047 mg/kg Aroclor 1016 0.047 mg/kg Aroclor-1242 0.047 mg/kg Dibutyl Phthalate 0.068 mg/kg Aroclor-1221 0.096 mg/kg Methylene Chloride 0.10533333330000001 mg/kg Molybdenum 0.131 mg/kg Benzene 0.16 mg/kg Carbon Disulfide 0.16 mg/kg 1,1,2,2-Tetrachloroethane 0.16 mg/kg Trichloroethylene (TCE) 0.19 mg/kg Carbon Dichloride 0.23 mg/kg Anthracene 0.24 mg/kg Toxaphene 0.244 mg/kg Acenaphthene 0.26 mg/kg Benzene, chloro- 0.3 mg/kg Beryllium and compounds 0.34600000000000003 mg/kg 1,2-trans-dichloroethylene 0.38 mg/kg Antimony and compounds 0.41000000000000003 mg/kg Benzene, methyl- 0.47000000000000003 mg/kg Silver and compounds 0.6 mg/kg Phosphorus (white) 0.6 mg/kg 1,1,1-Trichloroethane 0.63 mg/kg Acetone 0.68 mg/kg Cadmium and compounds 0.68 mg/kg Vinyl Chloride 0.74 mg/kg Ethyl benzene 0.8 mg/kg Dibenz[ah]anthracene 1.1 mg/kg 1,3-Dichlorobenzene 1.2 mg/kg Cyanide (free) 1.2 mg/kg 2-Hexanone 1.3 mg/kg Benzene, p-dichloro- 2.0 mg/kg 8,9-Benzofluoranthene 2.0 mg/kg Benz(a)Anthracene 3.1 mg/kg Indeno(1,2,3-cd)Pyrene 3.3000000000000003 mg/kg Arsenic 3.5 mg/kg Chrysene 3.7 mg/kg Benzo(def)Phenanthrene 4.0 mg/kg 1,2-Benzacenaphthene 4.2 mg/kg 1,1-Dichloroethylene 4.5 mg/kg Benzene, 1,2,4-trichloro- 4.9 mg/kg Methyl Ethyl Ketone 4.9666666667 mg/kg 1,2-Dichlorobenzene 5.5 mg/kg Benzo(a)Pyrene 5.6000000000000005 mg/kg 1,1-Dichloroethane 5.7 mg/kg 2,3-Benzofluoranthene 5.9 mg/kg Bis(2-Ethylhexyl)Phthalate 6.5 mg/kg 4-Cresol 7.5 mg/kg Diethyl Phthalate 10.38 mg/kg Cobalt 11.316666667 mg/kg Benzenol 13.0 mg/kg Hexanone 14.0 mg/kg Selenium 14.3 mg/kg 2,4-Dimethylphenol 15.0 mg/kg Nickel (Soluble Salts) 17.966666667000002 mg/kg Vanadium 31.333333333 mg/kg Chromium 32.233333333 mg/kg Boron 65.7 mg/kg Copper and compounds 69.0 mg/kg Barium 113.43333333 mg/kg Manganese and compounds 114.83333333 mg/kg Lead 170.0 mg/kg Zinc 210.0 mg/kg Aluminum 15600.0 mg/kg Iron 19000.0 mg/kg

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Site ID: SS167

UNKNOWN

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2008

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 5.7e-05 mg/kg Heptachlor Epoxide 0.008 mg/kg DDD 0.014 mg/kg Bis(2-Ethylhexyl)Phthalate 0.093 mg/kg Chlordane 0.106 mg/kg Diethyl Phthalate 0.2 mg/kg Beryllium and compounds 0.22 mg/kg Chrysene 0.4 mg/kg 1,2-Benzacenaphthene 0.43 mg/kg Indeno(1,2,3-cd)Pyrene 0.54 mg/kg Benzo(def)Phenanthrene 0.59 mg/kg Cadmium and compounds 3.65 mg/kg Arsenic 6.0 mg/kg Cobalt 13.65 mg/kg Nickel (Soluble Salts) 40.95 mg/kg Benzo(a)Pyrene 69.0 mg/kg Vanadium 72.2 mg/kg Chromium 84.9 mg/kg Copper and compounds 140.5 mg/kg Lead 216.0 mg/kg Manganese and compounds 291.0 mg/kg Barium 305.0 mg/kg Zinc 1205.0 mg/kg Aluminum 17550.0 mg/kg Iron 28800.0 mg/kg

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Site ID: SS219

CHEMICAL STORAGE

Spill Site Area

Cost

Unknown

Final Cleanup Action

Feb 2000

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,2-Dichloroethane (EDC) 0.11 ug/L Freon 113 1.2 ug/L Acetone 4.55 ug/L 1,1-Dichloroethylene 4.7 ug/L Carbon Tetrachloride 5.6 ug/L Chloroform 11.0 ug/L Trichloroethylene (TCE) 29.0 ug/L

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Site ID: SS202

METAL FABRICATION

Spill Site Area

Cost

Unknown

Final Cleanup Action

Sep 2008

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.0483333333 mg/kg Bis(2-Ethylhexyl)Phthalate 0.06 mg/kg Arsenic 4.1666666667 mg/kg Benzo(a)Pyrene 88.666666667 mg/kg

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Site ID: LF008

SLUDGE REFUSE/LANDFILL

Landfill

Cost

$344K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Aug 2015

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Ethyl benzene 0.0431 ug/L Benzene, p-dichloro- 0.0538 ug/L 1,3-Dichlorobenzene 0.0542 ug/L Silver and compounds 0.061 ug/L Beryllium and compounds 0.092 ug/L Benzene, methyl- 0.12 ug/L Cobalt 0.18 ug/L 1,2-trans-dichloroethylene 0.23 ug/L Chloroform 0.24 ug/L 1,2,4-Trimethylbenzene 0.27 ug/L Benzene 0.28 ug/L Lead 0.35 ug/L Manganese and compounds 0.43 ug/L Antimony and compounds 0.43 ug/L 1,1,1-Trichloroethane 0.465 ug/L Trichlorofluoromethane 0.52 ug/L Copper and compounds 0.53 ug/L 1,1-Dichloroethylene 0.58 ug/L Chloromethane (methyl chloride) 0.67 ug/L Molybdenum 0.77 ug/L Methylene Chloride 0.94 ug/L Nickel (Soluble Salts) 1.1 ug/L Selenium 1.1 ug/L Dichlorodifluoromethane 1.8 ug/L Trichloroethylene (TCE) 2.1 ug/L Acetone 2.7 ug/L Cadmium and compounds 2.8 ug/L 1,2-Dichloroethane (EDC) 3.23 ug/L Methyl Ethyl Ketone 3.8 ug/L Vinyl Chloride 4.0 ug/L Arsenic 4.1 ug/L 1,1-Dichloroethane 4.8 ug/L Vinyl 2-Chloroethyl Ether 6.06 ug/L cis-1,2-Dichloroethylene 6.6 ug/L Zinc 9.3 ug/L Chromium 13.0 ug/L Benzene, chloro- 16.6 ug/L Aluminum 18.0 ug/L Vanadium 29.0 ug/L Carbon Dichloride 60.0 ug/L Barium 81.0 ug/L Iron 130.0 ug/L

Soil: Risk Not Evaluated

Contaminants: DDE 0.038 mg/kg Benzo(a)Pyrene 0.0436 mg/kg Benzene 0.0775 mg/kg Diethyl Phthalate 0.0921 mg/kg Bis(2-Ethylhexyl)Phthalate 0.201 mg/kg Beryllium and compounds 0.3745 mg/kg Selenium 0.68 mg/kg Dibutyl Phthalate 0.91 mg/kg Cadmium and compounds 1.27 mg/kg Biphenyl, polychloro- 1.3 mg/kg Cyanide (free) 1.6 mg/kg Silver and compounds 1.79 mg/kg Arsenic 2.365 mg/kg Naphthalene 3.33 mg/kg Molybdenum 5.39 mg/kg Cobalt 8.53 mg/kg Antimony and compounds 12.0 mg/kg Nickel (Soluble Salts) 20.3 mg/kg Copper and compounds 22.95 mg/kg Chromium 29.2 mg/kg Lead 32.283333333 mg/kg Vanadium 39.925000000000004 mg/kg Zinc 53.775 mg/kg Barium 208.75 mg/kg Manganese and compounds 304.75 mg/kg Aluminum 10305.0 mg/kg Iron 14875.0 mg/kg

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Site ID: WP057

CHEMICAL WASTE PIT

Disposal Pit and Dry Well

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Antimony and compounds 0.09 ug/L Nickel (Soluble Salts) 0.19 ug/L Selenium 0.19 ug/L Molybdenum 0.2 ug/L Lead 0.25 ug/L Cobalt 0.32 ug/L Copper and compounds 0.68 ug/L Manganese and compounds 1.0 ug/L Zinc 3.3 ug/L Arsenic 3.8 ug/L Trichloroethylene (TCE) 4.3 ug/L Acetone 4.5 ug/L Aluminum 5.0 ug/L Chromium 9.6 ug/L Vanadium 26.0 ug/L Barium 29.0 ug/L Iron 34.0 ug/L

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Site ID: LF012

LANDFILL

Landfill

Cost

$407K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Methylene Chloride 0.0604 ug/L Antimony and compounds 0.088 ug/L Lead 0.1 ug/L Vinyl Chloride 0.145 ug/L Benzene 0.17975 ug/L Cadmium and compounds 0.2 ug/L Carbon Tetrachloride 0.23 ug/L Freon 113 0.23 ug/L 1,1,2-Trichloroethane 0.23 ug/L 1,2-trans-dichloroethylene 0.66 ug/L Chloroform 0.97 ug/L Molybdenum 0.99 ug/L 1,1-Dichloroethylene 1.3 ug/L Copper and compounds 1.5 ug/L Zinc 1.9 ug/L Cobalt 2.0 ug/L Selenium 2.0 ug/L 1,2-Dichloroethane (EDC) 2.3 ug/L Arsenic 2.4 ug/L Trichlorofluoromethane 3.1 ug/L 1,1-Dichloroethane 4.2 ug/L Dichlorodifluoromethane 9.0 ug/L Chromium 12.0 ug/L Trichloroethylene (TCE) 12.0 ug/L Manganese and compounds 15.0 ug/L Aluminum 16.0 ug/L Vanadium 18.0 ug/L Nickel (Soluble Salts) 62.0 ug/L cis-1,2-Dichloroethylene 89.0 ug/L Carbon Dichloride 100.0 ug/L Barium 280.0 ug/L Iron 420.0 ug/L

Soil: Risk Not Evaluated

Contaminants: HCH (beta) 0.0007 mg/kg DDT 0.0046 mg/kg Benzene 0.004667500000000001 mg/kg Dieldrin 0.004900000000000001 mg/kg DDE 0.0128 mg/kg 2,3-Benzofluoranthene 0.055 mg/kg Indeno(1,2,3-cd)Pyrene 0.065 mg/kg Benz(a)Anthracene 0.065 mg/kg Benzo(a)Pyrene 0.096 mg/kg Biphenyl, polychloro- 0.13 mg/kg 1,2-Benzacenaphthene 0.13 mg/kg Benzo(def)Phenanthrene 0.16 mg/kg Benzene, methyl- 0.1939866667 mg/kg Beryllium and compounds 0.31 mg/kg Bis(2-Ethylhexyl)Phthalate 0.5 mg/kg 1,3-Dichlorobenzene 0.56 mg/kg Silver and compounds 1.8 mg/kg Dibutyl Phthalate 2.125 mg/kg Ethyl benzene 2.2 mg/kg Naphthalene 2.312 mg/kg Molybdenum 2.9 mg/kg Arsenic 4.9 mg/kg Cadmium and compounds 6.2 mg/kg Cobalt 10.0 mg/kg Antimony and compounds 19.0 mg/kg Nickel (Soluble Salts) 22.333333333 mg/kg Chromium 33.333333333000006 mg/kg Vanadium 48.666666667 mg/kg Copper and compounds 120.0 mg/kg Barium 146.66666667 mg/kg Lead 148.66666667 mg/kg Zinc 250.33333333 mg/kg Manganese and compounds 393.33333333 mg/kg Aluminum 10666.666667 mg/kg Iron 20666.666667 mg/kg

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Site ID: LF013

LANDFILL

Landfill

Cost

$407K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, chloro- 0.0477 ug/L 1,3-Dichlorobenzene 0.0489 ug/L Methylene Chloride 0.0602 ug/L Benzene, p-dichloro- 0.0678 ug/L 1,1,1-Trichloroethane 0.0822 ug/L Benzene 0.0908 ug/L Benzene, methyl- 0.116 ug/L Lead 0.13 ug/L Ethyl benzene 0.172 ug/L Silver and compounds 0.18 ug/L Beryllium and compounds 0.2 ug/L 1,1,2-Trichloroethane 0.2 ug/L Chloroform 0.22 ug/L Cadmium and compounds 0.22 ug/L Carbon Tetrachloride 0.23 ug/L Freon 113 0.25 ug/L Hexachlorobutadiene 0.298 ug/L Vinyl Chloride 0.32 ug/L Trichlorofluoromethane 0.41 ug/L Selenium 0.46 ug/L 1,2,4-Trimethylbenzene 0.6 ug/L 1,2-trans-dichloroethylene 0.64 ug/L Antimony and compounds 0.71 ug/L Molybdenum 0.785 ug/L Chlorodibromomethane 0.812 ug/L Cobalt 0.955 ug/L Bromodichloromethane 1.0 ug/L 1,4-Diethylene Dioxide 1.1 ug/L Manganese and compounds 1.15 ug/L Bromoform 1.27 ug/L 1,2-Dichlorobenzene 1.385 ug/L 1,2-Dichloroethane (EDC) 1.5 ug/L Carbon Dichloride 1.5 ug/L Methylene Bromide 1.86 ug/L 1,1-Dichloroethane 2.0 ug/L Copper and compounds 2.1 ug/L Trichloroethylene (TCE) 2.6 ug/L Arsenic 2.9 ug/L 1,1-Dichloroethylene 2.9 ug/L Dichlorodifluoromethane 3.0 ug/L cis-1,2-Dichloroethylene 3.2 ug/L Acetone 6.3 ug/L Zinc 10.0 ug/L Chromium 19.5 ug/L Vanadium 23.5 ug/L Iron 30.0 ug/L Bromobenzene 31.8 ug/L 1,2-Dichloroethene 33.0 ug/L Aluminum 35.0 ug/L Nickel (Soluble Salts) 42.0 ug/L Naphthalene 60.2 ug/L Barium 97.0 ug/L

Soil: Risk Not Evaluated

Contaminants: 8,9-Benzofluoranthene 2.03e-05 mg/kg Benz(a)Anthracene 2.2499999999999998e-05 mg/kg Dibenz[ah]anthracene 3.0e-05 mg/kg Benzo(a)Pyrene 3.3e-05 mg/kg 2,3-Benzofluoranthene 3.5000000000000004e-05 mg/kg Fluorene 7.02e-05 mg/kg 1,2-Benzacenaphthene 7.4e-05 mg/kg Indeno(1,2,3-cd)Pyrene 0.000101 mg/kg Naphthalene 0.00034100000000000005 mg/kg HCH (beta) 0.0015 mg/kg HCH (alpha) 0.005 mg/kg Benzene 0.1062 mg/kg Beryllium and compounds 0.36 mg/kg Biphenyl, polychloro- 0.42 mg/kg Arsenic 1.9000000000000001 mg/kg Cadmium and compounds 2.15 mg/kg Dibutyl Phthalate 2.2 mg/kg 1,1,1-Trichloroethane 3.0 mg/kg Molybdenum 3.0 mg/kg cis-1,2-Dichloroethylene 3.5 mg/kg Cyanide (free) 6.2 mg/kg Cobalt 8.4 mg/kg Benzene, chloro- 14.0 mg/kg 1,1-Dichloroethane 15.0 mg/kg Ethyl benzene 18.0 mg/kg Bis(2-Ethylhexyl)Phthalate 18.0 mg/kg Nickel (Soluble Salts) 18.0 mg/kg Methyl Ethyl Ketone 18.0 mg/kg o-Xylene 22.0 mg/kg Hexanone 26.0 mg/kg Copper and compounds 26.0 mg/kg Chromium 31.0 mg/kg Antimony and compounds 35.0 mg/kg Vanadium 39.0 mg/kg Lead 43.5 mg/kg Zinc 61.0 mg/kg Silver and compounds 130.0 mg/kg Barium 140.0 mg/kg Benzene, methyl- 160.0 mg/kg Trichloroethylene (TCE) 160.0 mg/kg Manganese and compounds 240.0 mg/kg Aluminum 11000.0 mg/kg Iron 17000.0 mg/kg

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Site ID: SS191

CHEMICAL STORAGE AREA

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Aug 2009

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Antimony and compounds 0.081 ug/L Cobalt 0.12 ug/L Silver and compounds 0.14 ug/L Molybdenum 0.18 ug/L Benzene, methyl- 0.2 ug/L Benzene 0.21 ug/L Freon 113 0.21 ug/L 1,2-Dichloroethane (EDC) 0.23 ug/L Carbon Tetrachloride 0.26 ug/L Copper and compounds 0.32 ug/L Chloromethane (methyl chloride) 0.391 ug/L Manganese and compounds 0.51 ug/L Bromodichloromethane 0.6 ug/L Chloroform 0.75 ug/L 1,2-trans-dichloroethylene 0.78 ug/L Carbon Dichloride 1.0 ug/L Lead 2.0 ug/L cis-1,2-Dichloroethylene 2.1 ug/L 1,1-Dichloroethane 3.0 ug/L Arsenic 4.3 ug/L 1,4-Diethylene Dioxide 4.6 ug/L Acetone 4.7 ug/L Trichloroethylene (TCE) 5.6 ug/L 1,2-Dichloroethene 7.35 ug/L Zinc 8.5 ug/L 1,1-Dichloroethylene 15.0 ug/L Chromium 21.0 ug/L Bromobenzene 21.6 ug/L Aluminum 23.0 ug/L Vanadium 25.0 ug/L Iron 42.0 ug/L Barium 57.0 ug/L Nickel (Soluble Salts) 65.5 ug/L

Soil: Risk Not Evaluated

Contaminants: Biphenyl, polychloro- 0.21 mg/kg Molybdenum 1.455 mg/kg Beryllium and compounds 1.9000000000000001 mg/kg Arsenic 2.705 mg/kg Antimony and compounds 3.42 mg/kg Lead 8.86 mg/kg Cobalt 21.94 mg/kg Copper and compounds 27.2 mg/kg Nickel (Soluble Salts) 43.550000000000004 mg/kg Chromium 44.5 mg/kg Zinc 57.45 mg/kg Vanadium 84.2 mg/kg Barium 284.5 mg/kg Manganese and compounds 447.0 mg/kg Aluminum 22850.0 mg/kg Iron 30850.0 mg/kg

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Site ID: LF023

LANDFILL

Landfill

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2012

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,2-Dichloroethane (EDC) 0.0322 ug/L 1,2,3-Trichloropropane 0.0629 ug/L Benzene, methyl- 0.0785 ug/L Antimony and compounds 0.11 ug/L Cadmium and compounds 0.12 ug/L 1,3-Dichlorobenzene 0.124 ug/L 1,2-Dichlorobenzene 0.13 ug/L Ethyl benzene 0.133 ug/L Benzene, p-dichloro- 0.183 ug/L Beryllium and compounds 0.2 ug/L cis-1,2-Dichloroethylene 0.22 ug/L Trichloroethylene (TCE) 0.22 ug/L Chloroform 0.23 ug/L Methylene Chloride 0.243 ug/L 1,1-Dichloroethylene 0.252 ug/L Dichloropropane 0.31 ug/L Benzene 0.345 ug/L Selenium 0.4858333 ug/L Dichlorodifluoromethane 0.53 ug/L Chloromethane (methyl chloride) 0.54 ug/L Trichlorofluoromethane 0.63 ug/L Benzene, chloro- 0.694 ug/L Lead 0.73 ug/L Molybdenum 0.82 ug/L Vinyl Chloride 0.854 ug/L Carbon Dichloride 1.0 ug/L 1,1,1-Trichloroethane 1.4 ug/L Bis(2-Ethylhexyl)Phthalate 1.7 ug/L 1,1-Dichloroethane 1.9 ug/L Silver and compounds 3.0 ug/L Zinc 3.3 ug/L Vinyl 2-Chloroethyl Ether 3.5 ug/L Aluminum 4.4 ug/L Arsenic 5.6 ug/L Acetone 8.1 ug/L Copper and compounds 13.0 ug/L Cobalt 20.3 ug/L Vanadium 31.9166667 ug/L Barium 76.75 ug/L Chromium 90.1666667 ug/L Manganese and compounds 191.0 ug/L Nickel (Soluble Salts) 210.9166667 ug/L Iron 610.4285714 ug/L

Soil: Risk Not Evaluated

Contaminants: Dibenzo(b,e)(1,4)dioxin,2,3,7,8-tetrachloro- 1.88e-05 mg/kg 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 0.0005 mg/kg DDD 0.0016 mg/kg Trichloroethylene (TCE) 0.0023428571 mg/kg Ethyl benzene 0.0024 mg/kg 1,1,1-Trichloroethane 0.00302 mg/kg Carbon Dichloride 0.0031333333 mg/kg o-Xylene 0.0037 mg/kg Hexanone 0.034 mg/kg 1,2-Benzacenaphthene 0.17 mg/kg Molybdenum 0.23 mg/kg Cyanide (free) 0.31 mg/kg Beryllium and compounds 0.464 mg/kg Selenium 0.64 mg/kg Bis(2-Ethylhexyl)Phthalate 1.1 mg/kg Arsenic 2.4 mg/kg Naphthalene 2.465 mg/kg Silver and compounds 3.21 mg/kg Cadmium and compounds 4.4 mg/kg Cobalt 4.4 mg/kg Antimony and compounds 4.8 mg/kg Nickel (Soluble Salts) 15.0 mg/kg Biphenyl, polychloro- 20.0 mg/kg Vanadium 20.0 mg/kg Chromium 24.0 mg/kg Copper and compounds 31.0 mg/kg Lead 48.0 mg/kg Barium 140.0 mg/kg Manganese and compounds 389.0 mg/kg Zinc 600.0 mg/kg Aluminum 16500.0 mg/kg Iron 18000.0 mg/kg

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Site ID: SS193

NW CORNER LOT 10 SPILL

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2008

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Methylene Chloride 0.0513 ug/L Benzene, chloro- 0.0771 ug/L Freon 113 0.0798 ug/L 1,2-Dichlorobenzene 0.0984 ug/L Benzene, methyl- 0.118 ug/L 1,1,2-Trichloroethane 0.159 ug/L Antimony and compounds 0.18 ug/L Chloromethane (methyl chloride) 0.19 ug/L 1,1-Dichloroethylene 0.21 ug/L 1,2-Dichloroethane (EDC) 0.26 ug/L Benzene 0.263 ug/L Selenium 0.29 ug/L Carbon Tetrachloride 0.31 ug/L 1,1,1-Trichloroethane 0.312 ug/L 1,2-trans-dichloroethylene 0.32 ug/L Chloroform 0.38 ug/L Methylene Bromide 0.424 ug/L Lead 0.49 ug/L Beryllium and compounds 0.5 ug/L Cobalt 0.68 ug/L Copper and compounds 0.72 ug/L 1,1-Dichloroethane 0.85 ug/L Bis(2-Ethylhexyl)Phthalate 1.2 ug/L Molybdenum 1.4 ug/L Silver and compounds 1.4 ug/L Nickel (Soluble Salts) 1.7 ug/L cis-1,2-Dichloroethylene 2.35 ug/L Carbon Dichloride 2.91 ug/L Trichlorofluoromethane 3.05 ug/L 1,4-Diethylene Dioxide 3.4 ug/L Arsenic 3.5 ug/L Zinc 3.8 ug/L 1,2-Dichloroethene 4.7 ug/L Vinyl 2-Chloroethyl Ether 5.22 ug/L Acetone 5.8 ug/L Chromium 6.7 ug/L Cadmium and compounds 7.2 ug/L Trichloroethylene (TCE) 9.8 ug/L Vanadium 20.0 ug/L Aluminum 30.0 ug/L Bromobenzene 33.5 ug/L Boron 55.325 ug/L Manganese and compounds 74.0 ug/L Barium 89.0 ug/L Iron 96.5 ug/L Strontium (Stable) 182.75 ug/L

Soil: Risk Not Evaluated

Contaminants: Trichloroethylene (TCE) 0.011766666700000001 mg/kg DDD 0.038 mg/kg DDE 0.065 mg/kg DDT 0.157 mg/kg Beryllium and compounds 0.31 mg/kg Molybdenum 0.894 mg/kg Bis(2-Ethylhexyl)Phthalate 0.99 mg/kg Silver and compounds 1.12 mg/kg Naphthalene 2.6 mg/kg Antimony and compounds 4.4 mg/kg Arsenic 6.15 mg/kg Cadmium and compounds 6.55 mg/kg Cobalt 9.3 mg/kg Nickel (Soluble Salts) 11.0 mg/kg Selenium 11.0 mg/kg Copper and compounds 20.0 mg/kg Vanadium 33.0 mg/kg Chromium 35.0 mg/kg Lead 50.5 mg/kg Zinc 78.0 mg/kg Barium 84.0 mg/kg Manganese and compounds 280.0 mg/kg Aluminum 6200.0 mg/kg Iron 12000.0 mg/kg

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Site ID: SS190

DRMO STORAGE AREA

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Aug 2011

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,3-Dichlorobenzene 0.0357 ug/L Dichloropropane 0.0393 ug/L Lead 0.049 ug/L Benzene, p-dichloro- 0.0589 ug/L 1,1,1-Trichloroethane 0.0621 ug/L 1,2-Dichlorobenzene 0.0728 ug/L Antimony and compounds 0.098 ug/L n-Butylbenzene 0.103 ug/L Cobalt 0.14 ug/L Benzene, chloro- 0.142 ug/L Methylene Bromide 0.147 ug/L Chloroethane 0.15 ug/L 1,1,2-Trichloroethane 0.17 ug/L Selenium 0.23 ug/L Carbon Dichloride 0.233 ug/L Cadmium and compounds 0.24 ug/L Vinyl Chloride 0.24 ug/L Benzene, 1,2,4-trichloro- 0.258 ug/L Chloroform 0.32 ug/L Benzene, methyl- 0.33 ug/L Hexachlorobutadiene 0.334 ug/L Bromoform 0.348 ug/L 1,2,4-Trimethylbenzene 0.37 ug/L 1,2-trans-dichloroethylene 0.4 ug/L 1,1-Dichloroethane 0.4 ug/L Molybdenum 0.5 ug/L Ethyl benzene 0.56 ug/L Benzene 0.57 ug/L Chloromethane (methyl chloride) 0.59 ug/L Methylene Chloride 0.6 ug/L Carbon Disulfide 0.643 ug/L Manganese and compounds 0.65 ug/L Carbon Tetrachloride 0.75 ug/L Beryllium and compounds 0.8 ug/L o-Xylene 0.82 ug/L 1,2-Dichloroethane (EDC) 0.89 ug/L 1,1-Dichloroethylene 0.95 ug/L Dichlorodifluoromethane 1.0 ug/L 1,4-Diethylene Dioxide 1.6 ug/L Benzenedicarboxylate 1.8 ug/L Naphthalene 1.89 ug/L Zinc 2.2 ug/L Arsenic 2.6 ug/L cis-1,2-Dichloroethylene 3.3 ug/L Vinyl 2-Chloroethyl Ether 4.51 ug/L Copper and compounds 4.8 ug/L 1,2-Dichloroethene 5.7 ug/L Acetone 6.3 ug/L Lithium 6.6 ug/L Dibutyl Phthalate 7.8 ug/L o-Chlorotoluene 8.3 ug/L Chromium 13.0 ug/L Trichloroethylene (TCE) 13.0 ug/L Vanadium 18.0 ug/L Bis(2-Ethylhexyl)Phthalate 22.3 ug/L Aluminum 26.0 ug/L Bromobenzene 30.1 ug/L Silver and compounds 34.0 ug/L Nickel (Soluble Salts) 42.0 ug/L Barium 44.0 ug/L Methyl Ethyl Ketone 58.0 ug/L Strontium (Stable) 298.0 ug/L Iron 4500.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Dibenzo(b,e)(1,4)dioxin,2,3,7,8-tetrachloro- 4.68e-07 mg/kg 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 1.1400000000000001e-05 mg/kg Benzene 0.0021000000000000003 mg/kg 1,1,1-Trichloroethane 0.005 mg/kg Carbon Dichloride 0.016 mg/kg Methylene Chloride 0.018000000000000002 mg/kg Anthracene 0.031 mg/kg DDE 0.045 mg/kg 8,9-Benzofluoranthene 0.051000000000000004 mg/kg DDD 0.051000000000000004 mg/kg Chrysene 0.0626 mg/kg Dibenz[ah]anthracene 0.069 mg/kg Mirex 0.074 mg/kg 2,3-Benzofluoranthene 0.075 mg/kg Benzo(a)Pyrene 0.08700000000000001 mg/kg 1,2-Dichlorobenzene 0.097 mg/kg Indeno(1,2,3-cd)Pyrene 0.098 mg/kg Benz(a)Anthracene 0.1 mg/kg DDT 0.13 mg/kg Benzo(def)Phenanthrene 0.21 mg/kg 1,2-Benzacenaphthene 0.22 mg/kg Selenium 0.22 mg/kg Silver and compounds 0.269 mg/kg Beryllium and compounds 0.33 mg/kg Cyanide (free) 0.37 mg/kg Benzenedicarboxylate 0.45 mg/kg Dibutyl Phthalate 0.5700000000000001 mg/kg Butyl Benzyl Phthalate 0.74 mg/kg Molybdenum 1.0 mg/kg 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 1.2 mg/kg Arsenic 1.4000000000000001 mg/kg Antimony and compounds 1.98 mg/kg Biphenyl, polychloro- 2.6 mg/kg Naphthalene 3.52 mg/kg Cobalt 3.6 mg/kg Cadmium and compounds 4.3 mg/kg Bis(2-Ethylhexyl)Phthalate 5.9 mg/kg Aroclor 1016 9.25 mg/kg Nickel (Soluble Salts) 18.0 mg/kg Vanadium 18.0 mg/kg Chromium 33.0 mg/kg Copper and compounds 33.0 mg/kg Lead 65.0 mg/kg Benzene, 1,2,4-trichloro- 69.0 mg/kg Barium 100.0 mg/kg Manganese and compounds 470.0 mg/kg Zinc 490.0 mg/kg Aluminum 13650.0 mg/kg Iron 15100.0 mg/kg

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Site ID: SS196

OIL STORAGE YARD

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2012

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Aroclor 1254 0.013900000000000001 mg/kg Benzenedicarboxylate 0.061 mg/kg Antimony and compounds 0.08700000000000001 mg/kg Silver and compounds 0.092 mg/kg Selenium 0.2 mg/kg Benzoic Acid 0.33 mg/kg Molybdenum 0.34 mg/kg Beryllium and compounds 0.72 mg/kg Cadmium and compounds 1.7 mg/kg Bis(2-Ethylhexyl)Phthalate 2.1 mg/kg Arsenic 3.2 mg/kg Naphthalene 3.4433333333 mg/kg cis-1,2-Dichloroethylene 3.8662285714 mg/kg Cobalt 9.8 mg/kg Nickel (Soluble Salts) 28.0 mg/kg Carbon Dichloride 28.926288889 mg/kg Copper and compounds 39.0 mg/kg Trichloroethylene (TCE) 40.030716667 mg/kg Chromium 43.0 mg/kg Vanadium 45.0 mg/kg Barium 130.0 mg/kg Lead 190.0 mg/kg Zinc 220.0 mg/kg Manganese and compounds 270.0 mg/kg Aluminum 14000.0 mg/kg Iron 17000.0 mg/kg

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Site ID: SS276

AOC H-2 (FORMER REVETMENT)

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2008

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Bis(2-Ethylhexyl)Phthalate 0.029 mg/kg Diethyl Phthalate 0.034 mg/kg Beryllium and compounds 0.3966666667 mg/kg Cadmium and compounds 0.63 mg/kg Molybdenum 0.7266666667 mg/kg Selenium 3.2 mg/kg Lead 4.8666666667000005 mg/kg Arsenic 5.3666666667000005 mg/kg Cobalt 7.8 mg/kg Copper and compounds 19.5 mg/kg Nickel (Soluble Salts) 33.833333333000006 mg/kg Zinc 36.766666666999996 mg/kg Chromium 38.4 mg/kg Vanadium 41.0 mg/kg Benzo(a)Pyrene 62.026 mg/kg Barium 219.93333333 mg/kg Manganese and compounds 232.43333333 mg/kg Aluminum 11400.0 mg/kg Iron 18200.0 mg/kg

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Site ID: SS277

AOC H-3 (FORMER REVETMENT)

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2008

This site is under ongoing monitoring until Sep 2045

Site ID: WP058

CHEMICAL WASTE PIT

Disposal Pit and Dry Well

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Silver and compounds 0.126 mg/kg Beryllium and compounds 0.151 mg/kg Antimony and compounds 0.9420000000000001 mg/kg Molybdenum 0.989 mg/kg Cobalt 5.4 mg/kg Nickel (Soluble Salts) 14.200000000000001 mg/kg Vanadium 22.8 mg/kg Copper and compounds 32.8 mg/kg Chromium 87.8 mg/kg Manganese and compounds 131.0 mg/kg Barium 200.0 mg/kg Lead 335.0 mg/kg Zinc 343.0 mg/kg Aluminum 5530.0 mg/kg Iron 10300.0 mg/kg

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Site ID: WP072

SLUDGE DRYING BED

Storm Drain

Cost

Unknown

Final Cleanup Action

Feb 2000

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,2-Dichloroethene 0.28 ug/L 1,2-Dichloroethane (EDC) 0.5 ug/L cis-1,2-Dichloroethylene 1.9 ug/L Methylene Chloride 2.3 ug/L 1,1-Dichloroethane 2.3 ug/L 1,1-Dichloroethylene 3.4 ug/L Arsenic 4.0 ug/L Lead 6.4 ug/L Zinc 9.6 ug/L Chromium 12.0 ug/L Manganese and compounds 17.0 ug/L Trichloroethylene (TCE) 18.0 ug/L Copper and compounds 19.0 ug/L Chloroform 22.0 ug/L Vanadium 22.0 ug/L Barium 47.0 ug/L Nickel (Soluble Salts) 50.0 ug/L Iron 130.0 ug/L Aluminum 150.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Dibenz[ah]anthracene 0.33 mg/kg Anthracene 0.336 mg/kg Beryllium and compounds 0.364 mg/kg Acenaphthene 0.41500000000000004 mg/kg Indeno(1,2,3-cd)Pyrene 0.902 mg/kg 8,9-Benzofluoranthene 1.18 mg/kg Cadmium and compounds 1.5 mg/kg Benz(a)Anthracene 2.64 mg/kg 1,2-Benzacenaphthene 3.0 mg/kg Chrysene 3.15 mg/kg Benzo(a)Pyrene 3.38 mg/kg Benzo(def)Phenanthrene 4.0200000000000005 mg/kg 2,3-Benzofluoranthene 4.54 mg/kg Arsenic 7.0175 mg/kg Cobalt 8.068 mg/kg Copper and compounds 14.914 mg/kg Nickel (Soluble Salts) 16.6 mg/kg Chromium 19.5 mg/kg Lead 26.14 mg/kg Zinc 35.94 mg/kg Vanadium 48.84 mg/kg Bromobenzene 88.0 mg/kg Barium 165.84 mg/kg Manganese and compounds 412.2 mg/kg Aluminum 11852.0 mg/kg Iron 18200.0 mg/kg

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Site ID: WR318

NORTHWEST TAXIWAY RAD SITE

Radioactive Waste Area

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Sediment (Human): Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 3.45e-06 mg/kg Benzo(a)Pyrene 0.024 mg/kg Benzo(def)Phenanthrene 0.029 mg/kg Selenium 0.10200000000000001 mg/kg Antimony and compounds 0.121 mg/kg Silver and compounds 0.126 mg/kg Cadmium and compounds 0.129 mg/kg Molybdenum 0.222 mg/kg Beryllium and compounds 0.246 mg/kg Arsenic 1.1 mg/kg Cobalt 3.99 mg/kg Copper and compounds 12.4 mg/kg Nickel (Soluble Salts) 13.6 mg/kg Chromium 19.0 mg/kg Vanadium 25.3 mg/kg Zinc 41.6 mg/kg Lead 72.3 mg/kg Barium 96.9 mg/kg Manganese and compounds 152.0 mg/kg Iron 9100.0 mg/kg Aluminum 12100.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Aroclor 1254 0.22 mg/kg

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Site ID: SS315

AOC F-1 (METALS RECYCLING, OIL DISPOSAL)

Spill Site Area

Cost

$249K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2015

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, methyl- 0.0639 ug/L Antimony and compounds 0.1 ug/L Methylene Chloride 0.138 ug/L Cobalt 0.19 ug/L Chloromethane (methyl chloride) 0.217 ug/L Carbon Dichloride 0.27 ug/L Molybdenum 0.31 ug/L Manganese and compounds 0.5 ug/L Copper and compounds 0.51 ug/L Lead 0.6 ug/L Selenium 0.79 ug/L Zinc 1.6 ug/L Beryllium and compounds 2.4 ug/L 1,2-Dichloroethane (EDC) 3.54 ug/L Aluminum 4.3 ug/L Arsenic 5.7 ug/L Vinyl 2-Chloroethyl Ether 7.31 ug/L Acetone 8.9 ug/L Nickel (Soluble Salts) 12.0 ug/L Chromium 20.0 ug/L Silver and compounds 35.0 ug/L Vanadium 36.0 ug/L Iron 52.0 ug/L Barium 52.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Aroclor 1254 0.043000000000000003 mg/kg Beryllium and compounds 0.25 mg/kg Molybdenum 0.73 mg/kg Cadmium and compounds 0.91 mg/kg Selenium 3.85 mg/kg Cobalt 6.1000000000000005 mg/kg Arsenic 6.1333333333 mg/kg Nickel (Soluble Salts) 9.1 mg/kg Chromium 21.2 mg/kg Zinc 33.2 mg/kg Vanadium 38.7 mg/kg Lead 41.9 mg/kg Copper and compounds 74.4 mg/kg Barium 95.7 mg/kg Manganese and compounds 386.0 mg/kg Aluminum 7400.0 mg/kg Iron 12000.0 mg/kg

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Site ID: SS285

BUILDING 635 - AERO CLUB

Spill Site Area

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2014

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Naphthalene 2.74 mg/kg

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Site ID: LF011

LANDFILL

Landfill

Cost

$407K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene 0.0755 ug/L 1,2-trans-dichloroethylene 0.102 ug/L Methylene Chloride 0.115 ug/L Cadmium and compounds 0.27 ug/L Antimony and compounds 0.3 ug/L Freon 113 0.3 ug/L Vinyl Chloride 0.32 ug/L Carbon Tetrachloride 0.34 ug/L Chloroform 0.67 ug/L Cobalt 0.68 ug/L Lead 0.7 ug/L cis-1,2-Dichloroethylene 0.71 ug/L Copper and compounds 1.0 ug/L 1,4-Diethylene Dioxide 1.2 ug/L Selenium 1.5 ug/L Aluminum 2.0 ug/L Molybdenum 2.0 ug/L Arsenic 2.4 ug/L 1,1-Dichloroethane 2.9 ug/L 1,1-Dichloroethylene 3.3 ug/L Zinc 5.8 ug/L Trichlorofluoromethane 5.9 ug/L 1,2-Dichloroethane (EDC) 6.1 ug/L Trichloroethylene (TCE) 6.9 ug/L Manganese and compounds 7.9 ug/L Chromium 9.3 ug/L Vanadium 16.0 ug/L Carbon Dichloride 17.0 ug/L Dichlorodifluoromethane 21.0 ug/L Nickel (Soluble Salts) 150.0 ug/L Iron 230.0 ug/L Barium 270.0 ug/L

Soil: Risk Not Evaluated

Contaminants: DDT 0.0012 mg/kg Dieldrin 0.0029 mg/kg Biphenyl, polychloro- 0.12 mg/kg 2,3-Benzofluoranthene 0.25 mg/kg Beryllium and compounds 0.27 mg/kg 1,2-Benzacenaphthene 0.67 mg/kg Benzene, methyl- 0.9756825 mg/kg Ethyl benzene 1.55012 mg/kg Dibutyl Phthalate 1.76 mg/kg Naphthalene 2.18 mg/kg Cadmium and compounds 5.8 mg/kg Lead 8.0 mg/kg Cobalt 8.3 mg/kg Arsenic 9.700000000000001 mg/kg Chromium 13.0 mg/kg Vanadium 23.0 mg/kg Nickel (Soluble Salts) 24.0 mg/kg 4-Cresol 45.0 mg/kg Zinc 56.0 mg/kg Copper and compounds 68.0 mg/kg Bis(2-Ethylhexyl)Phthalate 86.0 mg/kg Barium 110.0 mg/kg Manganese and compounds 260.0 mg/kg Aluminum 6400.0 mg/kg Iron 13000.0 mg/kg

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Site ID: LF069

LANDFILL

Landfill

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Aug 2011

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene 0.0554 ug/L Cobalt 0.067 ug/L Antimony and compounds 0.068 ug/L 1,2-trans-dichloroethylene 0.0969 ug/L 1,2-Dichloroethane (EDC) 0.1585 ug/L Benzene, methyl- 0.189 ug/L Carbon Tetrachloride 0.215 ug/L 1,1-Dichloroethylene 0.2605 ug/L Copper and compounds 0.32 ug/L Chloroform 0.334 ug/L Molybdenum 0.38 ug/L Lead 0.41 ug/L Carbon Dichloride 0.446 ug/L cis-1,2-Dichloroethylene 0.49 ug/L 1,2-Dichloroethene 0.78 ug/L Trichlorofluoromethane 1.02 ug/L Manganese and compounds 1.5 ug/L Freon 113 1.94 ug/L Acetone 2.1 ug/L Trichloroethylene (TCE) 2.3 ug/L Arsenic 2.8 ug/L Nickel (Soluble Salts) 3.3 ug/L Zinc 3.9 ug/L Chromium 7.4 ug/L Vanadium 21.0 ug/L Bromobenzene 26.6 ug/L Aluminum 46.0 ug/L Barium 75.0 ug/L Iron 170.0 ug/L

Soil: Risk Not Evaluated

Contaminants: o-Xylene 0.0026000000000000003 mg/kg Benzene 0.00275 mg/kg Benzene, methyl- 0.0054 mg/kg Methylene Chloride 0.0078666667 mg/kg Biphenyl, polychloro- 0.057 mg/kg 1,2-Dichlorobenzene 0.08650000000000001 mg/kg cis-1,2-Dichloroethylene 0.21230000000000002 mg/kg Trichloroethylene (TCE) 0.241725 mg/kg Beryllium and compounds 0.32 mg/kg Bis(2-Ethylhexyl)Phthalate 0.73 mg/kg Silver and compounds 0.8 mg/kg Molybdenum 1.0 mg/kg Cadmium and compounds 1.1 mg/kg Naphthalene 2.85 mg/kg Selenium 3.6750000000000003 mg/kg Antimony and compounds 3.7 mg/kg Cyanide (free) 4.3500000000000005 mg/kg Cobalt 6.6000000000000005 mg/kg Arsenic 6.75 mg/kg Lead 11.6 mg/kg Copper and compounds 14.0 mg/kg Nickel (Soluble Salts) 20.0 mg/kg Chromium 28.0 mg/kg Vanadium 40.0 mg/kg Zinc 46.0 mg/kg Barium 92.0 mg/kg Manganese and compounds 330.0 mg/kg Aluminum 13000.0 mg/kg Iron 15000.0 mg/kg

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Site ID: DP016

SODIUM VALVE TRENCH

Disposal Pit and Dry Well

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Aroclor 1254 0.048 mg/kg Beryllium and compounds 0.1606 mg/kg Arsenic 2.0 mg/kg Naphthalene 2.42 mg/kg Cadmium and compounds 2.4205 mg/kg Cobalt 10.0 mg/kg Nickel (Soluble Salts) 21.0 mg/kg Chromium 28.0 mg/kg Lead 40.5265 mg/kg Vanadium 47.0 mg/kg Barium 55.5 mg/kg Zinc 72.35000000000001 mg/kg Copper and compounds 80.42 mg/kg Manganese and compounds 165.055 mg/kg Aluminum 5000.285 mg/kg Iron 9500.06 mg/kg

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Site ID: LF014

LANDFILL

Landfill

Cost

$407K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.05 ug/L Bromodichloromethane 0.051 ug/L Carbon Tetrachloride 0.09 ug/L Benzene, methyl- 0.0945 ug/L 1,2-trans-dichloroethylene 0.096 ug/L Benzene 0.104 ug/L Cobalt 0.11 ug/L Benzene, chloro- 0.1433333 ug/L Ether,tert-butyl methyl 0.15 ug/L Chloroethane 0.174 ug/L Methylene Chloride 0.188 ug/L Manganese and compounds 0.21 ug/L 1,1,2-Trichloroethane 0.21 ug/L Antimony and compounds 0.215 ug/L 1,1-Dichloroethylene 0.23 ug/L 1,2-Dichloroethane (EDC) 0.25 ug/L Chloroform 0.25 ug/L Freon 113 0.29 ug/L Hexachlorobutadiene 0.298 ug/L Bromomethane 0.35 ug/L 1,1-Dichloroethane 0.46 ug/L Vinyl Chloride 0.4775 ug/L Lead 0.64 ug/L Selenium 0.67 ug/L Trichlorofluoromethane 0.95 ug/L 1,4-Diethylene Dioxide 0.9714286 ug/L Copper and compounds 1.6 ug/L Aluminum 1.8 ug/L cis-1,2-Dichloroethylene 2.0 ug/L Trichloroethylene (TCE) 2.1 ug/L Acetone 2.8 ug/L Arsenic 3.3 ug/L Dichlorodifluoromethane 3.3 ug/L Molybdenum 3.4 ug/L Chromium 8.5 ug/L Zinc 9.5 ug/L Carbon Dichloride 10.0 ug/L Vanadium 26.0 ug/L Iron 38.0 ug/L Barium 160.0 ug/L Nickel (Soluble Salts) 210.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Cadmium and compounds 1.0 mg/kg Naphthalene 3.36 mg/kg Dibutyl Phthalate 5.8 mg/kg Copper and compounds 10.0 mg/kg Chromium 14.0 mg/kg Nickel (Soluble Salts) 18.0 mg/kg Lead 24.0 mg/kg Vanadium 27.0 mg/kg Zinc 68.0 mg/kg Barium 79.0 mg/kg Manganese and compounds 100.0 mg/kg Aluminum 3800.0 mg/kg Iron 10000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 7.34e-07 mg/kg Trichlorofluoromethane 0.00219 mg/kg Benz(a)Anthracene 0.0028 mg/kg 1,2-Benzacenaphthene 0.0048 mg/kg Acetone 0.005895 mg/kg Carbon Dichloride 0.00596 mg/kg Chrysene 0.0064 mg/kg Indeno(1,2,3-cd)Pyrene 0.0066 mg/kg Benzo(def)Phenanthrene 0.0077 mg/kg 8,9-Benzofluoranthene 0.01 mg/kg Benzo(a)Pyrene 0.016 mg/kg DDD 0.034 mg/kg DDE 0.037 mg/kg Ethyl benzene 0.043000000000000003 mg/kg Silver and compounds 0.14100000000000001 mg/kg Molybdenum 0.215 mg/kg Beryllium and compounds 0.273 mg/kg Bis(2-Ethylhexyl)Phthalate 0.46 mg/kg Cadmium and compounds 0.5805 mg/kg Arsenic 1.635 mg/kg Naphthalene 2.44 mg/kg Dibutyl Phthalate 3.5 mg/kg Cobalt 9.35 mg/kg Lead 11.51 mg/kg Nickel (Soluble Salts) 14.950000000000001 mg/kg Copper and compounds 16.3 mg/kg Chromium 19.5 mg/kg Zinc 31.7 mg/kg Vanadium 35.0 mg/kg Barium 82.0 mg/kg Manganese and compounds 189.0 mg/kg Aluminum 12600.0 mg/kg Iron 13450.0 mg/kg

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Site ID: LF037

LANDFILL

Landfill

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2014

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.096 ug/L Selenium 0.1 ug/L Cobalt 0.11 ug/L Antimony and compounds 0.13 ug/L Copper and compounds 0.18 ug/L o-Xylene 0.191 ug/L Benzene, methyl- 0.203 ug/L Manganese and compounds 0.21 ug/L Molybdenum 0.26 ug/L Nickel (Soluble Salts) 0.26 ug/L Benzene 0.269 ug/L 1,2-Dichloroethane (EDC) 0.31 ug/L 1,1-Dichloroethylene 0.35 ug/L cis-1,2-Dichloroethylene 0.42 ug/L Chloromethane (methyl chloride) 0.57 ug/L Methylene Chloride 0.615 ug/L Chloroform 0.75 ug/L Lead 1.3 ug/L Trichloroethylene (TCE) 1.6 ug/L Carbon Tetrachloride 3.0 ug/L Arsenic 3.2 ug/L Zinc 3.2 ug/L Acetone 3.9 ug/L Chromium 6.5 ug/L Vanadium 18.0 ug/L Aluminum 91.0 ug/L Barium 100.0 ug/L Iron 110.0 ug/L

Soil: Risk Not Evaluated

Contaminants: 1,1,1-Trichloroethane 0.009949999999999999 mg/kg Methylene Chloride 0.016 mg/kg Beryllium and compounds 0.31166666670000004 mg/kg Cadmium and compounds 0.36 mg/kg Molybdenum 0.9 mg/kg Arsenic 5.19 mg/kg Cobalt 7.65 mg/kg Naphthalene 10.746666667 mg/kg Lead 10.85 mg/kg Chromium 17.1 mg/kg Nickel (Soluble Salts) 18.6 mg/kg Copper and compounds 20.2 mg/kg Zinc 42.45 mg/kg Vanadium 46.35 mg/kg Barium 153.0 mg/kg Manganese and compounds 336.0 mg/kg Aluminum 13266.666667 mg/kg Iron 19833.333333000002 mg/kg

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Site ID: LF265

AOC G-1 (SW OF RECREATION WAY AND 34TH STREET)

Landfill

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jan 2010

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cobalt 0.11 ug/L Antimony and compounds 0.13 ug/L Lead 0.15 ug/L Trichloroethylene (TCE) 0.229 ug/L Methylene Chloride 0.2345 ug/L 1,1-Dichloroethylene 0.336 ug/L Chloroform 0.39 ug/L Selenium 0.46 ug/L Chloromethane (methyl chloride) 0.472 ug/L Beryllium and compounds 0.6 ug/L Manganese and compounds 2.0 ug/L Copper and compounds 2.0 ug/L 1,2-Dichloroethane (EDC) 2.2 ug/L 1,4-Diethylene Dioxide 2.2 ug/L Arsenic 3.0 ug/L Molybdenum 3.1 ug/L Acetone 4.0 ug/L Zinc 6.9 ug/L Aluminum 7.2 ug/L Chromium 12.0 ug/L Vanadium 14.0 ug/L Bromobenzene 29.3 ug/L Iron 55.0 ug/L Barium 55.0 ug/L Nickel (Soluble Salts) 220.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Propionic acid, 2-(2,4,5-Trichlorophenoxy) 0.0003 mg/kg 4-(2,4-Dichlorophenoxy)Butyric Acid (2,4-DB) 0.009000000000000001 mg/kg DDD 0.028 mg/kg DDE 0.042 mg/kg DDT 0.063 mg/kg 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 0.088 mg/kg Butyl Benzyl Phthalate 0.14 mg/kg Dibutyl Phthalate 0.18 mg/kg Cadmium and compounds 0.2418666667 mg/kg Naphthalene 0.307 mg/kg Acenaphthene 0.314 mg/kg Beryllium and compounds 0.3456666667 mg/kg Selenium 0.365 mg/kg Dibenz[ah]anthracene 0.366 mg/kg Dibenzofuran 0.397 mg/kg Indeno(1,2,3-cd)Pyrene 0.587 mg/kg Bis(2-Ethylhexyl)Phthalate 0.605 mg/kg Fluorene 0.712 mg/kg Benzo(a)Pyrene 0.921 mg/kg Anthracene 1.1 mg/kg Molybdenum 1.4555 mg/kg Silver and compounds 1.58 mg/kg Chrysene 1.61 mg/kg Benz(a)Anthracene 1.6300000000000001 mg/kg Benzo(def)Phenanthrene 2.7 mg/kg Arsenic 3.2833333333000003 mg/kg 1,2-Benzacenaphthene 3.9 mg/kg Cobalt 7.083333333300001 mg/kg Lead 12.565 mg/kg Copper and compounds 17.066666667000003 mg/kg Nickel (Soluble Salts) 23.3 mg/kg Zinc 33.233333333000004 mg/kg Vanadium 34.2 mg/kg Chromium 46.666666667 mg/kg Barium 200.66666667 mg/kg Manganese and compounds 500.66666667000004 mg/kg Aluminum 10793.333333 mg/kg Iron 15100.0 mg/kg

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Site ID: SS188

ENTOMOLOGY SUMPS

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2008

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Benz(a)Anthracene 0.006200000000000001 mg/kg 1,2-Benzacenaphthene 0.0081 mg/kg Anthracene 0.008400000000000001 mg/kg Naphthalene 0.0094 mg/kg 8,9-Benzofluoranthene 0.01 mg/kg 2,3-Benzofluoranthene 0.011 mg/kg Chrysene 0.012 mg/kg Benzo(a)Pyrene 0.013000000000000001 mg/kg DDD 0.0197 mg/kg Benzo(def)Phenanthrene 0.021 mg/kg Indeno(1,2,3-cd)Pyrene 0.022 mg/kg DDT 0.036000000000000004 mg/kg Carbon Dichloride 0.046 mg/kg Methylene Chloride 0.05 mg/kg DDE 0.0625 mg/kg Selenium 0.09 mg/kg Mirex 0.113 mg/kg Aroclor 1254 0.23 mg/kg Beryllium and compounds 0.3 mg/kg Molybdenum 0.37 mg/kg Bis(2-Ethylhexyl)Phthalate 0.48 mg/kg Antimony and compounds 1.5 mg/kg Arsenic 2.4 mg/kg Cobalt 6.9 mg/kg Nickel (Soluble Salts) 20.0 mg/kg Silver and compounds 28.0 mg/kg Vanadium 45.0 mg/kg Copper and compounds 47.0 mg/kg Cadmium and compounds 130.0 mg/kg Barium 150.0 mg/kg Zinc 220.0 mg/kg Manganese and compounds 240.0 mg/kg Chromium 420.0 mg/kg Lead 830.0 mg/kg Aluminum 9300.0 mg/kg Iron 16000.0 mg/kg

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Site ID: TU296

SA 092 (UNDERGROUND STORAGE TANKS NEAR BUILDING 641)

Underground Storage Tanks

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Lead 0.067 ug/L Antimony and compounds 0.14 ug/L Cobalt 0.17 ug/L Trichloroethylene (TCE) 0.33 ug/L Cadmium and compounds 0.34 ug/L Selenium 0.37 ug/L Freon 113 0.39 ug/L Chloroform 0.48 ug/L Copper and compounds 0.7 ug/L Carbon Tetrachloride 0.75 ug/L Molybdenum 2.3 ug/L Zinc 2.7 ug/L Manganese and compounds 4.4 ug/L Acetone 5.1 ug/L Arsenic 5.8 ug/L Chromium 8.9 ug/L Aluminum 10.0 ug/L Nickel (Soluble Salts) 19.0 ug/L Vanadium 23.0 ug/L Barium 43.0 ug/L Iron 61.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Chrysene 0.0091 mg/kg 2,3-Benzofluoranthene 0.0106 mg/kg Indeno(1,2,3-cd)Pyrene 0.014 mg/kg Benzo(def)Phenanthrene 0.015 mg/kg 1,2-Benzacenaphthene 0.028 mg/kg Cadmium and compounds 0.106225 mg/kg Beryllium and compounds 0.331 mg/kg Bis(2-Ethylhexyl)Phthalate 0.6 mg/kg Molybdenum 1.51 mg/kg Arsenic 1.72 mg/kg Aroclor 1254 3.9 mg/kg Cobalt 6.396 mg/kg Lead 6.406 mg/kg Copper and compounds 10.32 mg/kg Naphthalene 10.77 mg/kg Nickel (Soluble Salts) 12.748000000000001 mg/kg Chromium 16.48 mg/kg Zinc 17.922 mg/kg Vanadium 28.48 mg/kg Barium 109.66 mg/kg Manganese and compounds 468.6 mg/kg Aluminum 8516.0 mg/kg Iron 10286.0 mg/kg

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Site ID: TU308

TANK 783 (WASTE FUEL UNDERGROUND STORAGE TANKS)

Underground Storage Tanks

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2008

This site is under ongoing monitoring until Sep 2045

Site ID: TU306

TANK 737

Underground Storage Tanks

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2014

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Naphthalene 2.9033333333 mg/kg

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Site ID: TU309

TANK 788 (ACID NEUTRALIZATION SUMP)

Underground Storage Tanks

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2008

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1-Phenylpropane 0.3 ug/L Ethenylbenzene 0.4 ug/L Chloroform 0.4 ug/L Naphthalene 0.6 ug/L o-Xylene 0.6 ug/L 1,3,5-Trimethylbenzene 0.7 ug/L 1,2,4-Trimethylbenzene 0.7 ug/L 1,1-Dichloroethane 0.75 ug/L cis-1,2-Dichloroethylene 2.0 ug/L Benzene 2.0 ug/L Benzene, methyl- 3.0 ug/L Carbon Dichloride 4.0 ug/L Trichlorofluoromethane 5.0 ug/L Trichloroethylene (TCE) 8.5 ug/L Dichlorodifluoromethane 14.0 ug/L Acetone 400.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Naphthalene 0.0016 mg/kg Acetone 0.0055 mg/kg Silver and compounds 0.038 mg/kg Antimony and compounds 0.07200000000000001 mg/kg Cadmium and compounds 0.13 mg/kg Beryllium and compounds 0.37 mg/kg Acenaphthene 0.4 mg/kg Bis(2-Ethylhexyl)Phthalate 0.44 mg/kg Anthracene 0.56 mg/kg 2,3-Benzofluoranthene 0.6 mg/kg Benzo(a)Pyrene 0.63 mg/kg Chrysene 0.84 mg/kg Benz(a)Anthracene 0.99 mg/kg Arsenic 1.4000000000000001 mg/kg 1,2-Benzacenaphthene 1.7 mg/kg Benzo(def)Phenanthrene 2.1 mg/kg Molybdenum 2.6 mg/kg Lead 4.7 mg/kg Cobalt 7.2 mg/kg Nickel (Soluble Salts) 19.0 mg/kg Chromium 22.0 mg/kg Zinc 23.0 mg/kg Vanadium 24.0 mg/kg Copper and compounds 100.0 mg/kg Manganese and compounds 160.0 mg/kg Barium 230.0 mg/kg Aluminum 8300.0 mg/kg Iron 13000.0 mg/kg

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Site ID: TU312

STATION (FORMER GAS STATION)

Underground Storage Tanks

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Nov 2014

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,3-Dichlorobenzene 0.0644 ug/L 1,2-trans-dichloroethylene 0.157 ug/L Lead 0.16 ug/L Freon 113 0.169 ug/L 1,1,1-Trichloroethane 0.175 ug/L Benzene 0.2025 ug/L Methylene Chloride 0.203 ug/L 1,2-Dichloroethane (EDC) 0.223 ug/L Chloroform 0.23 ug/L 1,2,4-Trimethylbenzene 0.25 ug/L 1,1-Dichloroethylene 0.27 ug/L Antimony and compounds 0.2755 ug/L cis-1,2-Dichloroethylene 0.33 ug/L Selenium 0.33 ug/L Ethenylbenzene 0.368 ug/L Benzene, methyl- 0.371025 ug/L Carbon Dichloride 0.472 ug/L Molybdenum 0.52 ug/L 1,2-Dichloroethene 0.76 ug/L 1,1-Dichloroethane 0.76 ug/L Bromofume 0.801 ug/L Cobalt 1.0 ug/L 1,2-Dichlorobenzene 1.2 ug/L Trichlorofluoromethane 1.5 ug/L Copper and compounds 1.7 ug/L Chloromethane (methyl chloride) 1.77 ug/L Beryllium and compounds 1.8 ug/L Trichloroethylene (TCE) 1.9 ug/L Cadmium and compounds 2.1 ug/L Naphthalene 2.79 ug/L sec-Butylbenzene 3.33 ug/L Vinyl 2-Chloroethyl Ether 3.35 ug/L 1,4-Diethylene Dioxide 3.7 ug/L Acetone 3.9 ug/L Arsenic 4.4 ug/L Cumene 4.41 ug/L Vinyl Chloride 5.55 ug/L Manganese and compounds 7.05 ug/L 1-Phenylpropane 8.105 ug/L Zinc 9.3 ug/L n-Butylbenzene 10.02 ug/L Benzene, chloro- 17.2 ug/L Nickel (Soluble Salts) 22.0 ug/L Silver and compounds 22.0 ug/L Aluminum 29.0 ug/L Phosphorus (white) 30.0 ug/L Vanadium 32.0 ug/L Bromobenzene 32.8 ug/L Chromium 36.0 ug/L 1,3,5-Trimethylbenzene 55.25 ug/L o-Xylene 82.55 ug/L Methyl Ethyl Ketone 96.0 ug/L Barium 100.0 ug/L Iron 640.0 ug/L Ethyl benzene 2138.3157143 ug/L

Soil: Risk Not Evaluated

Contaminants: Methyl Ethyl Ketone 0.003 mg/kg Dibenz[ah]anthracene 0.00685 mg/kg Acetone 0.0081 mg/kg Anthracene 0.0083 mg/kg 8,9-Benzofluoranthene 0.022600000000000002 mg/kg Indeno(1,2,3-cd)Pyrene 0.0234 mg/kg Benzo(a)Pyrene 0.0395 mg/kg Benz(a)Anthracene 0.0443666667 mg/kg Chrysene 0.0583333333 mg/kg 2,3-Benzofluoranthene 0.0676333333 mg/kg 1,2-Benzacenaphthene 0.0787333333 mg/kg Benzo(def)Phenanthrene 0.0904333333 mg/kg 2-Methylnaphthalene 0.56 mg/kg Naphthalene 2.092 mg/kg Dibutyl Phthalate 7.4 mg/kg Ethyl benzene 75.0 mg/kg

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Site ID: WR319

TAXIWAY 7612 RAD SITE

Radioactive Waste Area

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Bis(2-Ethylhexyl)Phthalate 0.023 mg/kg Selenium 0.068 mg/kg Silver and compounds 0.1 mg/kg Cadmium and compounds 0.18 mg/kg Antimony and compounds 0.21 mg/kg Beryllium and compounds 0.51 mg/kg Arsenic 2.8000000000000003 mg/kg Lead 7.1000000000000005 mg/kg Cobalt 8.8 mg/kg Copper and compounds 9.200000000000001 mg/kg Nickel (Soluble Salts) 18.0 mg/kg Chromium 28.0 mg/kg Zinc 31.0 mg/kg Vanadium 49.0 mg/kg Barium 140.0 mg/kg Manganese and compounds 420.0 mg/kg Aluminum 14000.0 mg/kg Iron 19000.0 mg/kg

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Site ID: ST034

WASTE SOL. STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Sep 2012

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Naphthalene 11.733333333000001 mg/kg

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Site ID: ST246

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene 0.11 ug/L Chloroform 0.91 ug/L Trichloroethylene (TCE) 3.2 ug/L Zinc 9.7 ug/L Copper and compounds 11.0 ug/L Manganese and compounds 14.0 ug/L Molybdenum 15.0 ug/L Vanadium 22.0 ug/L Barium 47.0 ug/L Iron 110.0 ug/L Aluminum 160.0 ug/L Benzo(a)Pyrene 75000.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Ethyl benzene 0.0006 mg/kg Benzo(a)Pyrene 0.00066 mg/kg Chrysene 0.0024 mg/kg Benz(a)Anthracene 0.0032 mg/kg 2,3-Benzofluoranthene 0.0033 mg/kg Benzene, methyl- 0.004200000000000001 mg/kg Methylene Chloride 0.0145 mg/kg Methyl Ethyl Ketone 0.017 mg/kg Carbon Dichloride 0.068 mg/kg Acetone 0.16 mg/kg Bis(2-Ethylhexyl)Phthalate 0.1995 mg/kg Beryllium and compounds 0.41500000000000004 mg/kg 2-Methylnaphthalene 0.6 mg/kg Dibutyl Phthalate 0.75 mg/kg Cadmium and compounds 0.9500000000000001 mg/kg Trichloroethylene (TCE) 1.5150000000000001 mg/kg Hexanone 2.1 mg/kg Arsenic 5.825 mg/kg Cobalt 9.675 mg/kg Naphthalene 13.9 mg/kg Copper and compounds 16.666666667 mg/kg Nickel (Soluble Salts) 22.7 mg/kg Lead 24.95 mg/kg Chromium 29.05 mg/kg Vanadium 34.666666667 mg/kg Zinc 40.333333333000006 mg/kg Barium 170.0 mg/kg Manganese and compounds 593.3333333300001 mg/kg Aluminum 12233.333333 mg/kg Iron 19333.333333000002 mg/kg

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Site ID: WR311

BUILDING 1080 RAD LAB

Radioactive Waste Area

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.053 ug/L Benzene, methyl- 0.102 ug/L cis-1,2-Dichloroethylene 0.106 ug/L Lead 0.11 ug/L Methylene Chloride 0.148 ug/L Cobalt 0.16 ug/L Beryllium and compounds 0.17 ug/L Silver and compounds 0.19 ug/L 1,1-Dichloroethylene 0.234 ug/L Carbon Dichloride 0.308 ug/L Selenium 0.33 ug/L Trichloroethylene (TCE) 0.402 ug/L Molybdenum 0.695 ug/L Copper and compounds 0.91 ug/L Antimony and compounds 1.2 ug/L Manganese and compounds 2.9 ug/L Arsenic 3.05 ug/L Chromium 12.0 ug/L Iron 16.5 ug/L Nickel (Soluble Salts) 16.5 ug/L Aluminum 28.0 ug/L Vanadium 31.0 ug/L Zinc 62.0 ug/L Barium 72.5 ug/L

Soil: Risk Not Evaluated

Contaminants: DDD 0.003 mg/kg DDT 0.006 mg/kg Beryllium and compounds 0.47000000000000003 mg/kg Cadmium and compounds 0.615 mg/kg Arsenic 0.99 mg/kg Cobalt 10.0 mg/kg Copper and compounds 12.0 mg/kg Nickel (Soluble Salts) 19.0 mg/kg Chromium 26.0 mg/kg Lead 26.5 mg/kg Vanadium 49.0 mg/kg Zinc 100.0 mg/kg Barium 120.0 mg/kg Manganese and compounds 380.0 mg/kg Aluminum 9100.0 mg/kg Iron 17000.0 mg/kg

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Site ID: LF041

LANDFILL

Landfill

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2014

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Antimony and compounds 0.092 ug/L Benzene 0.0939 ug/L cis-1,2-Dichloroethylene 0.0972 ug/L Lead 0.15 ug/L Chloroform 0.156 ug/L Cobalt 0.25 ug/L Copper and compounds 0.31 ug/L Freon 113 0.35 ug/L 1,1-Dichloroethylene 0.365 ug/L Cadmium and compounds 0.4 ug/L Molybdenum 0.52 ug/L Methylene Chloride 0.5415 ug/L Trichloroethylene (TCE) 0.57 ug/L Beryllium and compounds 0.6 ug/L Benzene, methyl- 1.53 ug/L Acetone 2.3 ug/L Aluminum 3.0 ug/L Manganese and compounds 3.4 ug/L 1,1,1-Trichloroethane 3.74 ug/L Arsenic 5.1 ug/L Zinc 7.0 ug/L o-Chlorotoluene 7.98 ug/L Methylene Bromide 9.1 ug/L Chromium 17.0 ug/L Bromobenzene 17.4 ug/L Benzene, chloro- 17.4 ug/L Nickel (Soluble Salts) 27.0 ug/L Vanadium 35.0 ug/L Iron 49.0 ug/L Barium 58.0 ug/L

Soil: Risk Not Evaluated

Contaminants: DDE 0.0013000000000000002 mg/kg DDD 0.0060999999999999995 mg/kg DDT 0.0068 mg/kg Trichloroethylene (TCE) 0.049 mg/kg Benzene, chloro- 0.08600000000000001 mg/kg Beryllium and compounds 0.26 mg/kg Benzene, p-dichloro- 0.5 mg/kg 1,2-Dichlorobenzene 1.3 mg/kg Cadmium and compounds 5.0 mg/kg Cobalt 7.6000000000000005 mg/kg Lead 8.4 mg/kg Arsenic 10.9 mg/kg Copper and compounds 17.0 mg/kg Vanadium 28.0 mg/kg Zinc 28.0 mg/kg Nickel (Soluble Salts) 34.0 mg/kg Chromium 34.0 mg/kg Barium 60.0 mg/kg Manganese and compounds 210.0 mg/kg Aluminum 9500.0 mg/kg Iron 15000.0 mg/kg

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Site ID: CG067

OFF-BASE WELLS, RALEY BLVD.

Contaminated Ground Water

Cost

Unknown

Final Cleanup Action

Feb 2000

Site ID: SS300

SSA 002

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Silver and compounds 0.009 ug/L 1,1-Dichloroethane 0.0427 ug/L 1,3-Dichlorobenzene 0.0551 ug/L 1,2-Dichlorobenzene 0.0703 ug/L 1,2,3-Trichloropropane 0.0728 ug/L Benzene, methyl- 0.08 ug/L Dichloropropane 0.0938 ug/L 1,2-Dichloroethane (EDC) 0.095 ug/L Lead 0.095 ug/L Cadmium and compounds 0.1 ug/L 1,1,1-Trichloroethane 0.106 ug/L Benzene 0.113 ug/L Chlorodibromomethane 0.148 ug/L Methylene Bromide 0.157 ug/L 1,2-trans-dichloroethylene 0.16 ug/L Benzene, p-dichloro- 0.166 ug/L Benzene, chloro- 0.1666667 ug/L Selenium 0.2 ug/L Hexachlorobutadiene 0.212 ug/L Benzene, 1,2,4-trichloro- 0.22 ug/L Bromodichloromethane 0.22 ug/L 1,1-Dichloroethylene 0.22 ug/L Antimony and compounds 0.25 ug/L Methylene Chloride 0.25 ug/L Chloroform 0.3 ug/L Chloromethane (methyl chloride) 0.352 ug/L Naphthalene 0.4 ug/L Carbon Tetrachloride 0.43 ug/L 1,2,4-Trimethylbenzene 0.435 ug/L Ethyl benzene 0.448 ug/L Bromobenzene 0.478 ug/L 1,3,5-Trimethylbenzene 0.5 ug/L Vinyl 2-Chloroethyl Ether 0.513 ug/L Copper and compounds 0.52 ug/L cis-1,2-Dichloroethylene 0.54 ug/L o-Xylene 0.584 ug/L Trichlorofluoromethane 0.61 ug/L 1,2-Dichloroethene 0.62 ug/L Carbon Dichloride 0.63 ug/L Dichlorodifluoromethane 0.67 ug/L Freon 113 0.71 ug/L Ethenylbenzene 1.0 ug/L Beryllium and compounds 2.7 ug/L Cobalt 2.7 ug/L 1,4-Diethylene Dioxide 2.96 ug/L Trichloroethylene (TCE) 3.1 ug/L Arsenic 3.5 ug/L Molybdenum 4.5 ug/L Zinc 4.8 ug/L Methyl Ethyl Ketone 5.3 ug/L Manganese and compounds 7.2 ug/L o-Chlorotoluene 7.555 ug/L Chromium 9.5 ug/L Aluminum 14.0 ug/L Acetone 16.0 ug/L Vanadium 20.0 ug/L Bis(2-Ethylhexyl)Phthalate 34.6 ug/L Barium 36.0 ug/L Iron 120.0 ug/L Nickel (Soluble Salts) 140.0 ug/L Boron 315.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: DDT 0.083 mg/kg Selenium 0.18 mg/kg Beryllium and compounds 0.44 mg/kg Dibutyl Phthalate 0.48 mg/kg Aroclor 1254 0.74 mg/kg Bis(2-Ethylhexyl)Phthalate 4.6000000000000005 mg/kg Arsenic 7.8 mg/kg Antimony and compounds 26.0 mg/kg Cobalt 30.0 mg/kg Molybdenum 46.0 mg/kg Vanadium 59.0 mg/kg Silver and compounds 110.0 mg/kg Cadmium and compounds 140.0 mg/kg Barium 270.0 mg/kg Manganese and compounds 450.0 mg/kg Nickel (Soluble Salts) 540.0 mg/kg Zinc 2800.0 mg/kg Lead 3900.0 mg/kg Chromium 4000.0 mg/kg Aluminum 13000.0 mg/kg Copper and compounds 13000.0 mg/kg Iron 85000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: 1,1-Dichloroethylene 0.00076 mg/kg o-Xylene 0.0066 mg/kg Acetone 0.0099 mg/kg Benzene, methyl- 0.012 mg/kg cis-1,2-Dichloroethylene 0.0180666667 mg/kg Cadmium and compounds 0.0453333333 mg/kg Silver and compounds 0.0513333333 mg/kg Bis(2-Ethylhexyl)Phthalate 0.088 mg/kg Beryllium and compounds 0.265 mg/kg 1,1,1-Trichloroethane 0.6355000000000001 mg/kg Carbon Dichloride 1.30495 mg/kg Arsenic 1.3533333333000002 mg/kg Lead 4.5666666667 mg/kg Cobalt 7.5333333333 mg/kg Freon 113 11.010333333 mg/kg Copper and compounds 11.633333333000001 mg/kg Nickel (Soluble Salts) 15.333333333 mg/kg Chromium 17.366666667 mg/kg Zinc 26.333333333 mg/kg Vanadium 37.666666667 mg/kg Barium 143.66666667 mg/kg Manganese and compounds 166.66666667 mg/kg Aluminum 12000.0 mg/kg Iron 14666.666667 mg/kg

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Site ID: XE400

POTENTIAL DISCARDED MILITARY MUNITIONS (DMM)

Explosive Ordnance Disposal Area

Cost

Unknown

Final Cleanup Action

Dec 2009

Site ID: TA289

FREE OIL TANK (SLUDGE SEPARATION FOR IWTP)

Above Ground Storage Tank

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2014

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Dibenzo(b,e)(1,4)dioxin,2,3,7,8-tetrachloro- 1.23e-06 mg/kg 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 5.135e-05 mg/kg Aldrin 0.00029299999999999997 mg/kg Heptachlor Epoxide 0.000308 mg/kg HCH (alpha) 0.00034100000000000005 mg/kg DDE 0.0008120000000000001 mg/kg Dieldrin 0.0009985 mg/kg DDD 0.00123 mg/kg Endrin 0.00143 mg/kg HCH (beta) 0.002935 mg/kg DDT 0.00336 mg/kg Naphthalene 0.004 mg/kg Fluorene 0.005900000000000001 mg/kg Acenaphthene 0.006500000000000001 mg/kg Dibenz[ah]anthracene 0.0079 mg/kg Anthracene 0.015 mg/kg Diethyl Phthalate 0.0176 mg/kg Aroclor 1254 0.019899999999999998 mg/kg Indeno(1,2,3-cd)Pyrene 0.023 mg/kg 8,9-Benzofluoranthene 0.034 mg/kg Selenium 0.047 mg/kg Benzene, p-dichloro- 0.0588 mg/kg Benzo(a)Pyrene 0.061 mg/kg Benz(a)Anthracene 0.07100000000000001 mg/kg 2,3-Benzofluoranthene 0.081 mg/kg Chrysene 0.08600000000000001 mg/kg N-Nitrosodi-n-propylamine 0.121 mg/kg 1,2-Dichlorobenzene 0.128 mg/kg Dibenzofuran 0.129 mg/kg Benzo(def)Phenanthrene 0.16 mg/kg 1,2-Benzacenaphthene 0.17 mg/kg Antimony and compounds 0.17 mg/kg 2-Methylnaphthalene 0.179 mg/kg Bis(2-Ethylhexyl)Phthalate 0.203 mg/kg Cadmium and compounds 0.2206666667 mg/kg Molybdenum 0.24 mg/kg Silver and compounds 0.355 mg/kg Beryllium and compounds 0.37666666670000004 mg/kg Arsenic 3.3333333333 mg/kg Lead 10.333333333 mg/kg Cobalt 11.0 mg/kg Copper and compounds 20.0 mg/kg Nickel (Soluble Salts) 23.0 mg/kg Chromium 29.666666667 mg/kg Zinc 44.333333333000006 mg/kg Vanadium 49.333333333000006 mg/kg Barium 163.33333333 mg/kg Manganese and compounds 400.0 mg/kg Aluminum 13666.666667 mg/kg Iron 22000.0 mg/kg

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Site ID: FR299

SAFR (SMALL ARMS FIRING RANGE NEAR BUILDING 701)

Firing Range

Cost

$7,000

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jul 2015

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.043 ug/L Benzene, methyl- 0.0768 ug/L Freon 113 0.087 ug/L Lead 0.094 ug/L Chloroform 0.0944 ug/L cis-1,2-Dichloroethylene 0.168 ug/L Benzene 0.174 ug/L Selenium 0.18 ug/L Trichloroethylene (TCE) 0.21 ug/L Carbon Dichloride 0.22 ug/L Methylene Chloride 0.284 ug/L Molybdenum 0.3 ug/L Beryllium and compounds 0.3 ug/L 1,1-Dichloroethane 0.705 ug/L 1,1-Dichloroethylene 1.2 ug/L Aluminum 2.7 ug/L Arsenic 3.6 ug/L Zinc 3.8 ug/L Trichlorofluoromethane 5.9 ug/L Cobalt 9.05 ug/L Copper and compounds 14.0 ug/L Dichlorodifluoromethane 19.0 ug/L Benzene, chloro- 19.3 ug/L Vanadium 30.5 ug/L Barium 65.5 ug/L Chromium 77.5 ug/L Manganese and compounds 109.95 ug/L Nickel (Soluble Salts) 400.0 ug/L Iron 3800.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Dibutyl Phthalate 1.4000000000000001 mg/kg Naphthalene 2.94 mg/kg Nickel (Soluble Salts) 6.4 mg/kg Chromium 8.1 mg/kg Vanadium 16.0 mg/kg Barium 29.0 mg/kg Zinc 68.0 mg/kg Manganese and compounds 80.0 mg/kg Aluminum 3800.0 mg/kg Copper and compounds 4100.0 mg/kg Iron 5200.0 mg/kg Lead 36050.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Silver and compounds 0.14300000000000002 mg/kg Beryllium and compounds 0.37225 mg/kg Molybdenum 0.9336666667 mg/kg Cadmium and compounds 2.35 mg/kg Lead 6.29 mg/kg Cobalt 8.47 mg/kg Nickel (Soluble Salts) 16.565 mg/kg Antimony and compounds 17.5 mg/kg Chromium 25.3 mg/kg Copper and compounds 33.3675 mg/kg Zinc 40.175000000000004 mg/kg Vanadium 49.25 mg/kg Barium 145.225 mg/kg Manganese and compounds 290.75 mg/kg Aluminum 14425.0 mg/kg Iron 18325.0 mg/kg

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Site ID: SS274

AOC H-13 (NEAR BLDGS 910/911 - AUTO HOBBY SHOP)

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2008

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Lead 0.092 ug/L Benzene, methyl- 0.094 ug/L Chloromethane (methyl chloride) 0.113 ug/L Antimony and compounds 0.16 ug/L Methylene Chloride 0.227 ug/L Trichloroethylene (TCE) 0.25 ug/L Cadmium and compounds 0.61 ug/L Molybdenum 0.67 ug/L Carbon Dichloride 0.718 ug/L Cobalt 0.77 ug/L Copper and compounds 1.3 ug/L Arsenic 3.3 ug/L 1,2-Dichloroethane (EDC) 3.5 ug/L Manganese and compounds 8.2 ug/L Zinc 12.0 ug/L Chromium 14.0 ug/L Aluminum 22.0 ug/L Vanadium 25.0 ug/L Acetone 32.8 ug/L Barium 49.0 ug/L Nickel (Soluble Salts) 92.0 ug/L Selenium 130.0 ug/L Iron 190.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.3833333333 mg/kg Molybdenum 0.61 mg/kg Cadmium and compounds 0.665 mg/kg Selenium 2.5 mg/kg Arsenic 5.1000000000000005 mg/kg Lead 6.833333333300001 mg/kg Cobalt 8.7333333333 mg/kg Copper and compounds 17.366666667 mg/kg Nickel (Soluble Salts) 18.666666667 mg/kg Chromium 23.666666667 mg/kg Zinc 31.433333333 mg/kg Vanadium 54.366666667 mg/kg Benzo(a)Pyrene 79.0 mg/kg Barium 157.4 mg/kg Manganese and compounds 386.66666667000004 mg/kg Aluminum 12080.0 mg/kg Iron 18100.0 mg/kg

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Site ID: TU291

SA 029 (BUILDING 677 - FOUR UNDERGROUND STORAGE TANKSS)

Underground Storage Tanks

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Aug 2009

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: o-Xylene 0.02 mg/kg Trichloroethylene (TCE) 1.0015 mg/kg Freon 113 1.7850000000000001 mg/kg Naphthalene 2.4433333333 mg/kg

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Site ID: LF076

LANDFILL

Landfill

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Aug 2011

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Dichloropropane 0.0332 ug/L Benzene, p-dichloro- 0.0619 ug/L n-Butylbenzene 0.095 ug/L Freon 113 0.119 ug/L 1,1,2-Trichloroethane 0.12 ug/L Benzene, chloro- 0.1266667 ug/L Cadmium and compounds 0.13 ug/L 1,3-Dichlorobenzene 0.132 ug/L 1,2-Dichlorobenzene 0.135 ug/L Benzene, 1,2,4-trichloro- 0.145 ug/L Beryllium and compounds 0.2 ug/L Benzene, methyl- 0.21 ug/L 1,2-trans-dichloroethylene 0.21 ug/L 1,3,5-Trimethylbenzene 0.23 ug/L Carbon Tetrachloride 0.234 ug/L Chloroform 0.25 ug/L 1,1-Dichloroethane 0.25 ug/L 1,2-Dichloroethane (EDC) 0.26 ug/L Selenium 0.26 ug/L cis-1,2-Dichloroethylene 0.27 ug/L Hexachlorobutadiene 0.367 ug/L Antimony and compounds 0.41 ug/L Trichlorofluoromethane 0.42 ug/L Naphthalene 0.42 ug/L Chloromethane (methyl chloride) 0.45 ug/L Lead 0.55 ug/L Methylene Chloride 0.55 ug/L 1,2,4-Trimethylbenzene 0.6 ug/L 1,1-Dichloroethylene 0.61 ug/L Benzene 0.63 ug/L Ethyl benzene 0.64 ug/L Molybdenum 0.65 ug/L o-Xylene 0.92 ug/L Copper and compounds 0.99 ug/L Trichloroethylene (TCE) 1.0 ug/L Cobalt 1.2 ug/L 1,4-Diethylene Dioxide 2.3 ug/L Arsenic 2.5 ug/L Carbon Dichloride 2.84 ug/L 1,1,1-Trichloroethane 2.9815 ug/L Bis(2-Ethylhexyl)Phthalate 3.4 ug/L 2-Hexanone 4.3 ug/L Manganese and compounds 4.8 ug/L Methyl Ethyl Ketone 5.2 ug/L Vinyl 2-Chloroethyl Ether 5.27 ug/L 1,2-Dichloroethene 5.95 ug/L Zinc 7.2 ug/L Azabenzene 9.2 ug/L Chromium 17.0 ug/L Bromobenzene 20.95 ug/L Vanadium 21.0 ug/L Acetone 29.0 ug/L Boron 37.3 ug/L Aluminum 47.0 ug/L Barium 60.0 ug/L Nickel (Soluble Salts) 84.0 ug/L Strontium (Stable) 213.0 ug/L Iron 2600.0 ug/L

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Site ID: SD120

SOLVENT SPRAY BOOTH

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2012

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Chloroform 1.4 ug/L Carbon Dichloride 24.8 ug/L Trichloroethylene (TCE) 77.9571429 ug/L

Soil: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.07633333330000001 mg/kg Butyl Benzyl Phthalate 0.1 mg/kg Silver and compounds 0.149 mg/kg Beryllium and compounds 0.17 mg/kg Bis(2-Ethylhexyl)Phthalate 0.87 mg/kg Arsenic 1.5666666667 mg/kg Naphthalene 2.7166666667 mg/kg Lead 6.3 mg/kg Cobalt 8.1666666667 mg/kg Copper and compounds 16.333333333000002 mg/kg Nickel (Soluble Salts) 19.0 mg/kg Zinc 26.0 mg/kg Chromium 28.666666667 mg/kg Vanadium 51.333333333000006 mg/kg Barium 100.33333333 mg/kg Manganese and compounds 223.33333333 mg/kg Aluminum 11633.333333 mg/kg Iron 17666.666667 mg/kg

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Site ID: WR321

AIRFIELD AOC (AOC 321)

Washrack

Cost

Unknown

Final Cleanup Action

Jun 2014

Site ID: ST132

SOL PIT/WASTE THINNER TANK

Underground Storage Tanks

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Carbon Dichloride 0.00117 mg/kg Ethyl benzene 0.0023 mg/kg Freon 113 0.0077 mg/kg Benzene, methyl- 0.0095 mg/kg 1,1,1-Trichloroethane 0.0102333333 mg/kg 2,3-Benzofluoranthene 0.011 mg/kg Cadmium and compounds 0.04625 mg/kg Silver and compounds 0.061 mg/kg Methylene Chloride 0.089 mg/kg Bis(2-Ethylhexyl)Phthalate 0.10233333330000001 mg/kg cis-1,2-Dichloroethylene 0.15 mg/kg Trichloroethylene (TCE) 0.18 mg/kg 2-Cresol 0.19 mg/kg 4-Cresol 0.20700000000000002 mg/kg 2-Hexanone 0.32 mg/kg Acetaldehyde 0.4 mg/kg Beryllium and compounds 0.48 mg/kg Hexanone 1.3 mg/kg Arsenic 2.625 mg/kg Lead 5.525 mg/kg Naphthalene 9.39 mg/kg Cobalt 9.475 mg/kg Methyl Ethyl Ketone 11.5155 mg/kg Acetone 15.0 mg/kg Copper and compounds 19.0 mg/kg Nickel (Soluble Salts) 23.5 mg/kg Chromium 30.5 mg/kg Benzene 34.0 mg/kg Zinc 34.0 mg/kg Vanadium 47.5 mg/kg Bromobenzene 92.0 mg/kg Barium 118.5 mg/kg Manganese and compounds 215.0 mg/kg Aluminum 17250.0 mg/kg Iron 19750.0 mg/kg

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Site ID: WR324

TAXIWAY 7610/APRON 7620 (AOC 324)

Washrack

Cost

Unknown

Final Cleanup Action

Jun 2014

Site ID: PL266

AOC G-2 (POL YARD - PERREN AVE, BLDGS 1058/1059)

POL (Petroleum/Oil/Lubricants) Lines

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Mar 2012

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: cis-1,2-Dichloroethylene 0.0902 ug/L Cobalt 0.1 ug/L Methylene Chloride 0.1 ug/L Antimony and compounds 0.12 ug/L Carbon Dichloride 0.121 ug/L Lead 0.13 ug/L Molybdenum 0.15 ug/L Cadmium and compounds 0.23 ug/L Trichloroethylene (TCE) 0.28 ug/L Nickel (Soluble Salts) 0.31 ug/L Freon 113 0.32 ug/L Bromodichloromethane 0.34 ug/L Chloroform 0.37 ug/L Trichlorofluoromethane 0.38 ug/L Carbon Tetrachloride 0.4 ug/L Selenium 0.4 ug/L Chloromethane (methyl chloride) 0.42 ug/L Copper and compounds 0.79 ug/L Bromoform 0.796 ug/L Manganese and compounds 0.83 ug/L Bis(2-Ethylhexyl)Phthalate 1.3 ug/L Arsenic 2.5 ug/L Chromium 4.1 ug/L Iron 4.7 ug/L Acetone 5.4 ug/L Aluminum 8.8 ug/L Zinc 15.0 ug/L Vanadium 19.0 ug/L o-Xylene 57.8085714 ug/L Barium 120.0 ug/L Ethyl benzene 848.6283333 ug/L

Soil: Risk Not Evaluated

Contaminants: 2,3-Benzofluoranthene 0.012 mg/kg 1,2-Benzacenaphthene 0.014 mg/kg Fluorene 0.016 mg/kg Benzene 0.045700000000000005 mg/kg Dibenz[ah]anthracene 0.056 mg/kg Benzo(def)Phenanthrene 0.064 mg/kg o-Xylene 0.0808 mg/kg Chrysene 0.16 mg/kg Ethyl benzene 0.21 mg/kg Chlordane 0.23 mg/kg Indeno(1,2,3-cd)Pyrene 0.275 mg/kg 8,9-Benzofluoranthene 0.32 mg/kg Beryllium and compounds 0.38 mg/kg Cadmium and compounds 0.595 mg/kg Acenaphthene 0.71 mg/kg Benzene, methyl- 0.8697666667 mg/kg Benzo(a)Pyrene 1.4000000000000001 mg/kg Anthracene 1.6 mg/kg Benz(a)Anthracene 2.3000000000000003 mg/kg Arsenic 2.4 mg/kg Naphthalene 3.27 mg/kg Cobalt 8.700000000000001 mg/kg Copper and compounds 12.0 mg/kg Lead 13.5 mg/kg Nickel (Soluble Salts) 14.0 mg/kg Chromium 19.0 mg/kg Vanadium 41.0 mg/kg Zinc 55.0 mg/kg Barium 130.0 mg/kg Manganese and compounds 290.0 mg/kg Aluminum 7500.0 mg/kg Iron 12000.0 mg/kg

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Site ID: SS031

INCINERATOR ASH BURIAL PIT

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Aug 2011

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Lead 0.083 ug/L 1,1-Dichloroethylene 0.0961 ug/L Chloroform 0.0968 ug/L Cobalt 0.11 ug/L 1,1-Dichloroethane 0.236 ug/L cis-1,2-Dichloroethylene 0.26 ug/L Methylene Chloride 0.303 ug/L 1,2-Dichloroethane (EDC) 0.326 ug/L 1,2-trans-dichloroethylene 0.38 ug/L Copper and compounds 0.39 ug/L Freon 113 0.398 ug/L Molybdenum 0.4 ug/L Antimony and compounds 0.41 ug/L Benzene, methyl- 0.435 ug/L Nickel (Soluble Salts) 0.52 ug/L Hexachlorobutadiene 0.556 ug/L Trichloroethylene (TCE) 0.62 ug/L Selenium 0.64 ug/L Manganese and compounds 1.2 ug/L Naphthalene 1.89 ug/L Arsenic 2.6 ug/L Acetone 3.2 ug/L 1,2-Dichloroethene 3.6 ug/L Lithium 5.35 ug/L Chromium 7.4 ug/L Zinc 12.0 ug/L Beryllium and compounds 16.0 ug/L Vanadium 22.0 ug/L Aluminum 26.0 ug/L Bromobenzene 27.07 ug/L Boron 69.275 ug/L Barium 75.0 ug/L Iron 130.0 ug/L Strontium (Stable) 204.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Benzene, methyl- 0.0014 mg/kg o-Xylene 0.00395 mg/kg Beryllium and compounds 0.4666666667 mg/kg Cadmium and compounds 0.5700000000000001 mg/kg Naphthalene 2.6666666667 mg/kg Molybdenum 3.1 mg/kg Arsenic 3.84 mg/kg Cobalt 14.0 mg/kg Copper and compounds 22.333333333 mg/kg Nickel (Soluble Salts) 23.666666667 mg/kg Chromium 25.666666667 mg/kg Zinc 44.666666667 mg/kg Vanadium 68.0 mg/kg Barium 153.33333333 mg/kg Lead 236.0 mg/kg Manganese and compounds 400.0 mg/kg Aluminum 18000.0 mg/kg Iron 22333.333333000002 mg/kg

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Site ID: WL163

INDUS. WASTEWATER LINE

Waste Lines

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2012

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.051 ug/L Benzene, chloro- 0.0643 ug/L Dichloropropane 0.07255 ug/L 1,2-Dichlorobenzene 0.0764 ug/L Methylene Chloride 0.0811 ug/L Beryllium and compounds 0.1 ug/L Ethyl benzene 0.107 ug/L Cumene 0.1185 ug/L Lead 0.12 ug/L Trichlorofluoromethane 0.129 ug/L 1,1,2-Trichloroethane 0.218 ug/L 1,1,1-Trichloroethane 0.222 ug/L Vinyl Chloride 0.234 ug/L Benzene, methyl- 0.25 ug/L Benzene 0.26 ug/L Selenium 0.27 ug/L 1,2-Dichloroethane (EDC) 0.28 ug/L Antimony and compounds 0.3 ug/L 1,2,4-Trimethylbenzene 0.3333333 ug/L 1,2-trans-dichloroethylene 0.34 ug/L Freon 113 0.4 ug/L Carbon Tetrachloride 0.41 ug/L Bromoform 0.4615 ug/L 1,4-Diethylene Dioxide 0.48 ug/L Copper and compounds 0.48 ug/L Chlorodibromomethane 0.5675 ug/L 2-Methylnaphthalene 0.8 ug/L Carbon Dichloride 0.92 ug/L 1,2-Dichloroethene 0.98 ug/L Chloroform 1.1 ug/L Arsenic 1.1 ug/L 1,1-Dichloroethane 1.5 ug/L Chloromethane (methyl chloride) 1.69 ug/L Indeno(1,2,3-cd)Pyrene 1.8 ug/L Silver and compounds 1.9 ug/L Cobalt 2.2 ug/L 1,1-Dichloroethylene 2.5 ug/L Dibenz[ah]anthracene 4.1 ug/L Zinc 5.3 ug/L Vinyl 2-Chloroethyl Ether 6.3 ug/L Methylene Bromide 6.5343333 ug/L cis-1,2-Dichloroethylene 7.2 ug/L Molybdenum 7.9 ug/L Vanadium 8.0 ug/L Chromium 8.3 ug/L Bis(2-Ethylhexyl)Phthalate 10.4 ug/L Bromobenzene 16.0 ug/L Aluminum 16.0 ug/L Trichloroethylene (TCE) 20.0 ug/L Boron 23.6 ug/L 1,3-Dichlorobenzene 24.0 ug/L Manganese and compounds 25.0 ug/L Barium 31.0 ug/L Acetone 37.0 ug/L Naphthalene 110.0 ug/L Strontium (Stable) 136.0 ug/L Iron 240.0 ug/L Nickel (Soluble Salts) 570.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: DDT 0.026000000000000002 mg/kg Heptachlor Epoxide 0.031 mg/kg Diethyl Phthalate 0.033 mg/kg Fluorene 0.034 mg/kg DDE 0.039 mg/kg Aldrin 0.048 mg/kg Dieldrin 0.048 mg/kg DDD 0.054 mg/kg Indeno(1,2,3-cd)Pyrene 0.062 mg/kg 8,9-Benzofluoranthene 0.075 mg/kg Anthracene 0.1 mg/kg 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 0.11 mg/kg 4-Cresol 0.13 mg/kg HCH (gamma) Lindane 0.13 mg/kg Benzo(a)Pyrene 0.14 mg/kg 2,3-Benzofluoranthene 0.16 mg/kg Benz(a)Anthracene 0.19 mg/kg Chrysene 0.2 mg/kg 2-Methylnaphthalene 0.29 mg/kg Selenium 0.36 mg/kg Benzo(def)Phenanthrene 0.41000000000000003 mg/kg 1,2-Benzacenaphthene 0.42 mg/kg n-Butylbenzene 0.74 mg/kg Beryllium and compounds 0.79 mg/kg Aroclor 1254 0.89 mg/kg Naphthalene 1.6 mg/kg Butyl Benzyl Phthalate 3.2 mg/kg Dibenzofuran 3.5 mg/kg Dibenz[ah]anthracene 3.7 mg/kg Dibutyl Phthalate 4.9 mg/kg Arsenic 5.5 mg/kg Antimony and compounds 5.6000000000000005 mg/kg Cobalt 9.5 mg/kg Acenaphthene 10.0 mg/kg Molybdenum 12.0 mg/kg Cadmium and compounds 12.0 mg/kg Silver and compounds 41.0 mg/kg Nickel (Soluble Salts) 44.0 mg/kg Vanadium 47.0 mg/kg Chromium 78.0 mg/kg Manganese and compounds 250.0 mg/kg Bis(2-Ethylhexyl)Phthalate 310.0 mg/kg Lead 340.0 mg/kg Barium 370.0 mg/kg Zinc 380.0 mg/kg Copper and compounds 830.0 mg/kg Aluminum 11000.0 mg/kg Iron 20000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: 1,1,1-Trichloroethane 0.0043 mg/kg Chloroform 0.006200000000000001 mg/kg Benzene, chloro- 0.01 mg/kg cis-1,2-Dichloroethylene 0.033 mg/kg Methylene Chloride 0.036000000000000004 mg/kg Carbon Dichloride 0.106 mg/kg Methyl Ethyl Ketone 0.1315 mg/kg Silver and compounds 0.14 mg/kg Bis(2-Ethylhexyl)Phthalate 0.16 mg/kg Selenium 0.18 mg/kg Beryllium and compounds 0.28 mg/kg Acetone 0.49 mg/kg Cadmium and compounds 0.51 mg/kg Molybdenum 0.55 mg/kg Trichloroethylene (TCE) 0.77 mg/kg 1,2-Dichlorobenzene 1.25 mg/kg Arsenic 1.4000000000000001 mg/kg Naphthalene 2.27 mg/kg o-Xylene 2.35265 mg/kg Benzene, methyl- 2.9111333333 mg/kg Cobalt 6.6000000000000005 mg/kg Antimony and compounds 8.0 mg/kg Nickel (Soluble Salts) 11.0 mg/kg Copper and compounds 13.0 mg/kg Chromium 20.0 mg/kg Vanadium 30.0 mg/kg Lead 35.0 mg/kg Zinc 39.0 mg/kg Barium 91.0 mg/kg Boron 98.4 mg/kg Manganese and compounds 270.0 mg/kg Aluminum 9300.0 mg/kg Iron 11000.0 mg/kg

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Site ID: PL282

AOC H-8 (NEAR AND UNDERLYING BLDGS 910/911)

POL (Petroleum/Oil/Lubricants) Lines

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2008

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Indeno(1,2,3-cd)Pyrene 0.018000000000000002 mg/kg Benz(a)Anthracene 0.02 mg/kg Chrysene 0.0235 mg/kg Benzo(def)Phenanthrene 0.029 mg/kg 2,3-Benzofluoranthene 0.052000000000000005 mg/kg Bis(2-Ethylhexyl)Phthalate 0.126 mg/kg Butyl Benzyl Phthalate 0.4535 mg/kg Diethyl Phthalate 0.61 mg/kg Benzo(a)Pyrene 82.0 mg/kg

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Site ID: SS113

OIL/PAINT STORAGE

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.388 mg/kg Arsenic 3.59 mg/kg Cobalt 7.0200000000000005 mg/kg Selenium 8.68 mg/kg Lead 11.5 mg/kg Copper and compounds 12.4 mg/kg Nickel (Soluble Salts) 24.0 mg/kg Chromium 28.6 mg/kg Zinc 37.4 mg/kg Vanadium 46.0 mg/kg Barium 137.0 mg/kg Manganese and compounds 196.0 mg/kg Iron 17200.0 mg/kg Aluminum 19100.0 mg/kg

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Site ID: SD007

SLUDGE/OIL PIT

Storm Drain

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2014

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Lead 0.062 ug/L Antimony and compounds 0.094 ug/L Cobalt 0.14 ug/L Chloroform 0.21 ug/L Molybdenum 0.21 ug/L 1-Phenylpropane 0.25 ug/L 1,2,4-Trimethylbenzene 0.285 ug/L Dichloropropane 0.29 ug/L Dichlorodifluoromethane 0.3 ug/L Trichlorofluoromethane 0.31 ug/L Freon 113 0.34 ug/L 1,2-trans-dichloroethylene 0.355 ug/L o-Xylene 0.365 ug/L Beryllium and compounds 0.4 ug/L Copper and compounds 0.645 ug/L 1,1-Dichloroethylene 0.67 ug/L Benzene, p-dichloro- 0.68 ug/L Benzene 0.84 ug/L 1,4-Diethylene Dioxide 0.85 ug/L 1,1-Dichloroethane 0.92 ug/L Benzene, methyl- 0.985 ug/L Vinyl Chloride 1.1 ug/L Carbon Dichloride 1.2 ug/L Chloromethane (methyl chloride) 1.85 ug/L 1,1,2-Trichloroethane 2.0 ug/L Trichloroethylene (TCE) 2.0 ug/L 1,2-Dichloroethane (EDC) 2.6 ug/L Benzene, chloro- 2.8 ug/L Arsenic 2.8 ug/L Acetone 2.9 ug/L Zinc 3.05 ug/L Methylene Chloride 3.3 ug/L Selenium 3.5 ug/L 2-Hexanone 3.6 ug/L Chromium 4.8 ug/L Hexanone 5.1 ug/L cis-1,2-Dichloroethylene 5.2 ug/L Nickel (Soluble Salts) 5.85 ug/L Manganese and compounds 6.4 ug/L Aluminum 6.6 ug/L Vanadium 22.0 ug/L Methyl Ethyl Ketone 23.0 ug/L Iron 115.0 ug/L Barium 310.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Butyl Benzyl Phthalate 0.0135 mg/kg Anthracene 0.020100000000000003 mg/kg Benzene 0.026000000000000002 mg/kg Acenaphthene 0.037899999999999996 mg/kg Benzyl Alcohol 0.0942 mg/kg Benzene, methyl- 0.13138 mg/kg Benz(a)Anthracene 0.33 mg/kg 8,9-Benzofluoranthene 0.339 mg/kg Benzenol 0.37 mg/kg Indeno(1,2,3-cd)Pyrene 0.461 mg/kg 4-Cresol 0.56 mg/kg Silver and compounds 0.562 mg/kg 1,2-Benzacenaphthene 0.606 mg/kg Benzo(def)Phenanthrene 0.626 mg/kg Chrysene 0.629 mg/kg Bis(2-Ethylhexyl)Phthalate 0.68 mg/kg Beryllium and compounds 0.68 mg/kg Benzo(a)Pyrene 0.735 mg/kg 2,3-Benzofluoranthene 0.8300000000000001 mg/kg Ethyl benzene 0.925 mg/kg Molybdenum 1.16 mg/kg Dibutyl Phthalate 1.315 mg/kg Benzoic Acid 1.9000000000000001 mg/kg Naphthalene 3.0500000000000003 mg/kg Arsenic 4.38 mg/kg Cadmium and compounds 5.2 mg/kg Cobalt 9.32 mg/kg Antimony and compounds 24.0 mg/kg Copper and compounds 24.2 mg/kg Nickel (Soluble Salts) 24.400000000000002 mg/kg Lead 41.6 mg/kg Chromium 48.6 mg/kg Vanadium 52.0 mg/kg Zinc 82.8 mg/kg Barium 138.0 mg/kg Manganese and compounds 270.0 mg/kg Aluminum 20200.0 mg/kg Iron 21000.0 mg/kg

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Site ID: SS180

LABORATORY

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cobalt 0.089 ug/L Benzene 0.126 ug/L Methylene Bromide 0.1515 ug/L 1,1-Dichloroethylene 0.1785 ug/L Molybdenum 0.2 ug/L Chlorodibromomethane 0.21 ug/L Bromodichloromethane 0.22 ug/L Chloroform 0.225 ug/L Trichloroethylene (TCE) 0.23 ug/L Cadmium and compounds 0.25 ug/L Beryllium and compounds 0.3 ug/L Carbon Tetrachloride 0.32 ug/L Antimony and compounds 0.39 ug/L Lead 0.47 ug/L Methylene Chloride 0.56 ug/L Selenium 0.57 ug/L Copper and compounds 0.68 ug/L Manganese and compounds 0.75 ug/L Zinc 0.81 ug/L Naphthalene 0.95 ug/L cis-1,2-Dichloroethylene 1.06 ug/L Bis(2-Ethylhexyl)Phthalate 1.1 ug/L Nickel (Soluble Salts) 1.1 ug/L 1,2-Dichloroethane (EDC) 1.16 ug/L Carbon Dichloride 1.4 ug/L Benzene, methyl- 1.94 ug/L Acetone 2.3 ug/L Arsenic 5.0 ug/L Chromium 9.4 ug/L Freon 113 12.0 ug/L Aluminum 18.0 ug/L Vanadium 26.0 ug/L Barium 50.0 ug/L Iron 280.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: o-Xylene 0.0060999999999999995 mg/kg Methyl Ethyl Ketone 0.0305 mg/kg Freon 113 0.031 mg/kg Acetone 0.116 mg/kg Endrin 0.34500000000000003 mg/kg HCH (alpha) 0.35000000000000003 mg/kg HCH (gamma) Lindane 0.42 mg/kg Selenium 0.66 mg/kg Beryllium and compounds 1.3 mg/kg DDT 3.3000000000000003 mg/kg Antimony and compounds 4.65 mg/kg Heptachlor Epoxide 8.5 mg/kg Molybdenum 9.4 mg/kg Arsenic 15.65 mg/kg Cobalt 16.75 mg/kg Cadmium and compounds 17.5 mg/kg Silver and compounds 42.0 mg/kg Vanadium 42.5 mg/kg Nickel (Soluble Salts) 64.5 mg/kg Bis(2-Ethylhexyl)Phthalate 96.0 mg/kg Chromium 139.5 mg/kg Aroclor 1254 245.0 mg/kg Barium 290.0 mg/kg Manganese and compounds 610.0 mg/kg Copper and compounds 1015.0 mg/kg Lead 1650.0 mg/kg Aluminum 2100.0 mg/kg Zinc 7000.0 mg/kg Iron 73000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.27 mg/kg Cadmium and compounds 0.6 mg/kg Trichloroethylene (TCE) 1.152325 mg/kg Lead 5.4 mg/kg Cobalt 7.55 mg/kg Copper and compounds 18.0 mg/kg Nickel (Soluble Salts) 19.5 mg/kg Chromium 23.0 mg/kg Zinc 36.5 mg/kg Vanadium 58.0 mg/kg Barium 160.0 mg/kg Manganese and compounds 510.0 mg/kg Aluminum 12700.0 mg/kg Iron 18500.0 mg/kg

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Site ID: MY287

CS S-049 (MAINTENANCE FACILITY)

Maintenance Yard

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2008

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,1-Dichloroethane 0.58 ug/L 1,2-trans-dichloroethylene 0.71 ug/L cis-1,2-Dichloroethylene 8.5 ug/L Trichloroethylene (TCE) 9.1 ug/L

Soil: Risk Not Evaluated

Contaminants: Heptachlor Epoxide 0.0010400000000000001 mg/kg Dinoseb 0.0031000000000000003 mg/kg DDE 0.00535 mg/kg Dieldrin 0.00575 mg/kg Fluorene 0.0083 mg/kg Benz(a)Anthracene 0.016 mg/kg Dibenz[ah]anthracene 0.0166 mg/kg 4-(2,4-Dichlorophenoxy)Butyric Acid (2,4-DB) 0.02 mg/kg DDT 0.021 mg/kg Benzo(a)Pyrene 0.035 mg/kg 2,3-Benzofluoranthene 0.038 mg/kg Indeno(1,2,3-cd)Pyrene 0.048 mg/kg Chrysene 0.049 mg/kg Mirex 0.056 mg/kg 1,2-Benzacenaphthene 0.0615 mg/kg Antimony and compounds 0.07 mg/kg Methylene Chloride 0.07 mg/kg Benzo(def)Phenanthrene 0.084 mg/kg Carbon Dichloride 0.0977333333 mg/kg Trichloroethylene (TCE) 0.2107 mg/kg Selenium 0.25 mg/kg Bis(2-Ethylhexyl)Phthalate 0.295 mg/kg Ethyl benzene 0.35000000000000003 mg/kg cis-1,2-Dichloroethylene 0.38483999999999996 mg/kg o-Xylene 0.4 mg/kg Beryllium and compounds 0.61 mg/kg Cadmium and compounds 0.8413333333 mg/kg Benzene, methyl- 0.855 mg/kg Molybdenum 1.0 mg/kg Silver and compounds 1.0486666667 mg/kg 2-Methyl-4-Chlorophenoxyacetic Acid 1.8 mg/kg Arsenic 2.2333333333 mg/kg Naphthalene 2.4966666667 mg/kg 2-(2-Methyl-4-Chlorophenoxy)Propionic Acid 2.8000000000000003 mg/kg Cobalt 6.7 mg/kg Copper and compounds 15.866666667 mg/kg Nickel (Soluble Salts) 18.7 mg/kg Chromium 32.0 mg/kg Vanadium 42.666666667 mg/kg Lead 55.633333333 mg/kg Zinc 60.333333333000006 mg/kg Barium 103.0 mg/kg Manganese and compounds 266.66666667 mg/kg Aluminum 11066.666667 mg/kg Iron 15333.333333 mg/kg

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Site ID: PL270

AOC H-1 (BLDG 900 GAS STATION)

POL (Petroleum/Oil/Lubricants) Lines

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2008

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Antimony and compounds 0.076 ug/L Lead 0.12 ug/L Chloroform 0.22 ug/L Silver and compounds 0.22 ug/L Methylene Chloride 0.249 ug/L Trichloroethylene (TCE) 0.28 ug/L Cadmium and compounds 0.4165 ug/L Carbon Dichloride 0.46 ug/L Molybdenum 3.15 ug/L Arsenic 3.7 ug/L Cobalt 3.8 ug/L Zinc 6.6 ug/L Copper and compounds 21.95 ug/L Acetone 33.4 ug/L Vanadium 42.0 ug/L Manganese and compounds 94.15 ug/L Chromium 108.8 ug/L Aluminum 120.0 ug/L Barium 425.0 ug/L Nickel (Soluble Salts) 460.0 ug/L Iron 19000.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Bis(2-Ethylhexyl)Phthalate 0.0775 mg/kg Lead 4.6666666667 mg/kg Benzo(a)Pyrene 82.333333333 mg/kg

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Site ID: TU302

TANK 6008 (DIESEL UNDERGROUND STORAGE TANKS)

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Trichloroethylene (TCE) 0.181 ug/L Antimony and compounds 0.19 ug/L Benzene, methyl- 0.25 ug/L Lead 0.48 ug/L Molybdenum 0.54 ug/L Nickel (Soluble Salts) 0.65 ug/L Zinc 0.84 ug/L Cobalt 2.4 ug/L Manganese and compounds 3.6 ug/L Acetone 3.8 ug/L Copper and compounds 4.1 ug/L Arsenic 4.7 ug/L Beryllium and compounds 7.8 ug/L Chromium 13.0 ug/L Barium 18.0 ug/L Vanadium 27.0 ug/L Iron 61.0 ug/L Aluminum 200.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Naphthalene 2.935 mg/kg

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Site ID: WP033

IWTP SLUDGE LANDFARM

Surface Disposal Area

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2014

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Lead 0.068 ug/L Benzene 0.1625 ug/L Carbon Dichloride 0.23 ug/L Freon 113 0.27 ug/L Methylene Chloride 0.274 ug/L Trichloroethylene (TCE) 0.29 ug/L Cobalt 0.49 ug/L Copper and compounds 0.64 ug/L Molybdenum 0.84 ug/L Bromoform 1.19 ug/L 1,1-Dichloroethylene 1.2 ug/L Selenium 1.2 ug/L Zinc 3.0 ug/L Aluminum 3.1 ug/L Dichlorodifluoromethane 3.6 ug/L Trichlorofluoromethane 3.7 ug/L Arsenic 3.8 ug/L Methyl Ethyl Ketone 5.1 ug/L Manganese and compounds 7.9 ug/L Acetone 9.6 ug/L Benzene, chloro- 16.85 ug/L Chromium 19.0 ug/L Vanadium 25.0 ug/L Barium 35.0 ug/L Iron 78.0 ug/L Nickel (Soluble Salts) 170.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Acenaphthene 0.0002 mg/kg Fluorene 0.0003 mg/kg 8,9-Benzofluoranthene 0.0004 mg/kg DDT 0.0004 mg/kg Indeno(1,2,3-cd)Pyrene 0.0005 mg/kg Benzo(a)Pyrene 0.0005 mg/kg Chrysene 0.0006500000000000001 mg/kg Benzo(def)Phenanthrene 0.0008 mg/kg Dibenz[ah]anthracene 0.0008 mg/kg 2,3-Benzofluoranthene 0.0009000000000000001 mg/kg Benz(a)Anthracene 0.0009000000000000001 mg/kg Naphthalene 0.0015500000000000002 mg/kg Anthracene 0.0041600000000000005 mg/kg 1,2-Benzacenaphthene 0.0135 mg/kg Bis(2-Ethylhexyl)Phthalate 0.073 mg/kg Silver and compounds 0.085 mg/kg Molybdenum 0.163 mg/kg Cyanide (free) 0.17 mg/kg Cadmium and compounds 0.185 mg/kg Beryllium and compounds 0.384 mg/kg Arsenic 1.8 mg/kg Lead 8.1 mg/kg Cobalt 9.44 mg/kg Copper and compounds 24.150000000000002 mg/kg Nickel (Soluble Salts) 35.65 mg/kg Chromium 35.7 mg/kg Zinc 36.9 mg/kg Vanadium 50.050000000000004 mg/kg Barium 213.0 mg/kg Manganese and compounds 271.0 mg/kg Aluminum 13650.0 mg/kg Iron 19950.0 mg/kg

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Site ID: TU304

TANK 712 (DIESEL UNDERGROUND STORAGE TANKS)

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Methylene Chloride 0.106 ug/L Antimony and compounds 0.18 ug/L Benzene 0.181 ug/L Trichloroethylene (TCE) 0.22 ug/L 1,1-Dichloroethane 0.24 ug/L Lead 0.35 ug/L Chloromethane (methyl chloride) 0.352 ug/L Hexachlorobutadiene 0.366 ug/L Selenium 0.52 ug/L Benzene, 1,2,4-trichloro- 0.555 ug/L 1,1,1-Trichloroethane 0.608 ug/L Carbon Dichloride 0.69 ug/L Beryllium and compounds 0.8 ug/L Cobalt 0.865 ug/L 1,2-Dichloroethane (EDC) 1.34 ug/L Trichlorofluoromethane 1.4 ug/L Copper and compounds 1.85 ug/L Molybdenum 2.0 ug/L Acetone 2.4 ug/L Dichlorodifluoromethane 4.7 ug/L Arsenic 4.8 ug/L Zinc 10.0 ug/L Manganese and compounds 10.6 ug/L Benzene, chloro- 16.2 ug/L Aluminum 21.5 ug/L Chromium 28.5 ug/L Vanadium 34.5 ug/L Barium 54.5 ug/L Nickel (Soluble Salts) 86.5 ug/L Iron 200.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Naphthalene 2.43 mg/kg Copper and compounds 4.9 mg/kg Nickel (Soluble Salts) 7.5 mg/kg Chromium 8.5 mg/kg Vanadium 11.0 mg/kg Zinc 44.0 mg/kg Lead 79.0 mg/kg Barium 79.0 mg/kg Manganese and compounds 80.0 mg/kg Aluminum 1800.0 mg/kg Iron 4200.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 2.9800000000000003e-06 mg/kg Benz(a)Anthracene 0.0018000000000000002 mg/kg 8,9-Benzofluoranthene 0.0027 mg/kg Chrysene 0.0035 mg/kg Indeno(1,2,3-cd)Pyrene 0.0037 mg/kg Benzo(def)Phenanthrene 0.0047 mg/kg Benzo(a)Pyrene 0.0056 mg/kg 1,2-Benzacenaphthene 0.0060999999999999995 mg/kg Antimony and compounds 0.1955 mg/kg Silver and compounds 0.276 mg/kg Beryllium and compounds 0.2955 mg/kg Molybdenum 0.421 mg/kg Cadmium and compounds 0.442 mg/kg Naphthalene 2.37 mg/kg Arsenic 4.405 mg/kg Cobalt 14.6 mg/kg Lead 18.2 mg/kg Copper and compounds 19.650000000000002 mg/kg Chromium 21.1 mg/kg Nickel (Soluble Salts) 24.25 mg/kg Vanadium 44.4 mg/kg Zinc 48.75 mg/kg Barium 162.20000000000002 mg/kg Manganese and compounds 929.0 mg/kg Aluminum 13150.0 mg/kg Iron 18000.0 mg/kg

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Site ID: SD322

ABANDONED CREEK BENEATH BUILDING 783 (AOC 322)

Drainage Ditch

Cost

Unknown

Final Cleanup Action

Sep 2012

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,2-Dichloroethane (EDC) 0.0334 ug/L Benzene, methyl- 0.099 ug/L Lead 0.145 ug/L 1,1,1-Trichloroethane 0.146 ug/L Chloroform 0.174 ug/L Cadmium and compounds 0.2 ug/L Cobalt 0.21 ug/L cis-1,2-Dichloroethylene 0.25 ug/L Methylene Chloride 0.258 ug/L Chloromethane (methyl chloride) 0.261 ug/L 1,1-Dichloroethane 0.365 ug/L Antimony and compounds 0.37 ug/L 1,1-Dichloroethylene 0.484 ug/L Ethyl benzene 0.64 ug/L Trichloroethylene (TCE) 0.657 ug/L Benzene 0.703 ug/L Carbon Dichloride 0.72 ug/L Molybdenum 0.83 ug/L Copper and compounds 2.4 ug/L 1,4-Diethylene Dioxide 2.8 ug/L Arsenic 2.95 ug/L Manganese and compounds 3.9 ug/L Bromobenzene 15.2 ug/L Chromium 16.0 ug/L Zinc 21.7 ug/L Vanadium 25.0 ug/L Aluminum 34.5 ug/L Nickel (Soluble Salts) 58.0 ug/L Barium 82.0 ug/L Iron 140.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Benzene, methyl- 0.0394 mg/kg 2-Methylnaphthalene 0.3 mg/kg Dibenz[ah]anthracene 0.5 mg/kg Dibenzofuran 0.54 mg/kg Naphthalene 0.62 mg/kg Fluorene 0.85 mg/kg Indeno(1,2,3-cd)Pyrene 1.4000000000000001 mg/kg Acenaphthene 1.8 mg/kg 8,9-Benzofluoranthene 2.1 mg/kg Anthracene 2.9 mg/kg Benzo(a)Pyrene 4.5 mg/kg 2,3-Benzofluoranthene 5.1000000000000005 mg/kg Benz(a)Anthracene 5.7 mg/kg Chrysene 5.9 mg/kg 1,2-Benzacenaphthene 9.8 mg/kg Benzo(def)Phenanthrene 11.0 mg/kg

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Site ID: TU305

TANK 714 (CHEMICAL/WASTE OIL UNDERGROUND STORAGE TANKSS)

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Antimony and compounds 0.095 ug/L 1,2-trans-dichloroethylene 0.0994 ug/L 1,3-Dichlorobenzene 0.113 ug/L Bromodichloromethane 0.117 ug/L 1,2-Dichloroethane (EDC) 0.151 ug/L Lead 0.195 ug/L Chloroform 0.22 ug/L 1,1-Dichloroethylene 0.23 ug/L o-Xylene 0.235 ug/L 1,1-Dichloroethane 0.25 ug/L Carbon Tetrachloride 0.252 ug/L 1,1,2-Trichloroethane 0.265 ug/L Selenium 0.3 ug/L Cobalt 0.42 ug/L Carbon Dichloride 0.4205 ug/L Cadmium and compounds 0.46 ug/L Vinyl Chloride 0.471 ug/L Ethyl benzene 0.5 ug/L cis-1,2-Dichloroethylene 0.52 ug/L Methylene Chloride 0.5653 ug/L 1,2,4-Trimethylbenzene 0.628 ug/L Beryllium and compounds 0.9 ug/L Benzene, p-dichloro- 0.984 ug/L Copper and compounds 1.04 ug/L Molybdenum 1.2 ug/L 1,2-Dichlorobenzene 1.92 ug/L Acetone 2.7 ug/L 1,2-Dichloroethene 2.925 ug/L Benzene 3.37 ug/L Chromium 3.6 ug/L Benzene, chloro- 4.3 ug/L 1,4-Diethylene Dioxide 4.3 ug/L Trichloroethylene (TCE) 4.3 ug/L Arsenic 4.4 ug/L Aluminum 6.3 ug/L Vanadium 10.5 ug/L Freon 113 10.7 ug/L Zinc 20.65 ug/L Benzene, methyl- 22.0 ug/L Bromobenzene 31.8 ug/L Bromofume 50.0 ug/L Chlorodibromomethane 50.0 ug/L 1,1,1-Trichloroethane 50.0 ug/L Bromoform 50.0 ug/L Dichloropropane 50.0 ug/L 1,1,2,2-Tetrachloroethane 50.0 ug/L Manganese and compounds 67.0 ug/L Methylene Bromide 68.15 ug/L Barium 70.0 ug/L Bis(2-Ethylhexyl)Phthalate 71.0 ug/L Iron 91.0 ug/L Bromomethane 100.0 ug/L Chloromethane (methyl chloride) 100.0 ug/L Chloroethane 100.0 ug/L Nickel (Soluble Salts) 105.0 ug/L Naphthalene 136.0 ug/L 1,2,3-Trichloropropane 170.0 ug/L Strontium (Stable) 399.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.28250000000000003 mg/kg Arsenic 0.76 mg/kg Lead 7.3 mg/kg Cobalt 9.5 mg/kg Copper and compounds 15.375 mg/kg Nickel (Soluble Salts) 15.425 mg/kg Manganese and compounds 275.0 mg/kg Aluminum 11775.0 mg/kg Iron 17250.0 mg/kg

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Site ID: SS259

AOC E-1 (BUILDING 1092/SOUTH OF TAXIWAY)

Spill Site Area

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 2.4750000000000004e-06 mg/kg Fluorene 0.000175 mg/kg Acenaphthene 0.000879 mg/kg Naphthalene 0.00484 mg/kg Dibenz[ah]anthracene 0.005730000000000001 mg/kg Benzo(a)Pyrene 0.012 mg/kg Butyl Benzyl Phthalate 0.0125 mg/kg 8,9-Benzofluoranthene 0.0152 mg/kg Benz(a)Anthracene 0.018600000000000002 mg/kg Indeno(1,2,3-cd)Pyrene 0.020100000000000003 mg/kg Dibutyl Phthalate 0.022600000000000002 mg/kg Chrysene 0.033299999999999996 mg/kg Anthracene 0.0409 mg/kg Diethyl Phthalate 0.041 mg/kg 2,3-Benzofluoranthene 0.0465 mg/kg Benzo(def)Phenanthrene 0.053 mg/kg 1,2-Benzacenaphthene 0.0635 mg/kg Benzyl Alcohol 0.10300000000000001 mg/kg Benzenedicarboxylate 0.11800000000000001 mg/kg Bis(2-Ethylhexyl)Phthalate 0.121 mg/kg Silver and compounds 0.363 mg/kg Antimony and compounds 0.425 mg/kg Molybdenum 0.625 mg/kg Beryllium and compounds 0.636 mg/kg Cadmium and compounds 0.7695 mg/kg Arsenic 1.6600000000000001 mg/kg Cobalt 9.63 mg/kg Nickel (Soluble Salts) 19.1 mg/kg Copper and compounds 24.1 mg/kg Chromium 36.2 mg/kg Vanadium 46.2 mg/kg Zinc 87.4 mg/kg Barium 131.0 mg/kg Lead 180.0 mg/kg Manganese and compounds 294.0 mg/kg Aluminum 19000.0 mg/kg Iron 19100.0 mg/kg

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Site ID: SS261

AOC F-3 (WARM-UP APRON)

Spill Site Area

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,2-Dibromo-3-Chloropropane 0.038 ug/L Benzene, chloro- 0.0543 ug/L Methylene Chloride 0.0563 ug/L Ethyl benzene 0.0595 ug/L Silver and compounds 0.065 ug/L Cobalt 0.11 ug/L Lead 0.12 ug/L Antimony and compounds 0.135 ug/L o-Xylene 0.185 ug/L Benzene 0.215 ug/L Trichloroethylene (TCE) 0.22 ug/L 1,1-Dichloroethylene 0.264 ug/L Cadmium and compounds 0.3 ug/L Manganese and compounds 0.34 ug/L Chloromethane (methyl chloride) 0.434 ug/L Chloroform 0.47 ug/L Copper and compounds 0.59 ug/L Benzene, methyl- 0.595 ug/L Bromodichloromethane 0.635 ug/L Nickel (Soluble Salts) 0.655 ug/L Bromoform 0.675 ug/L Molybdenum 0.705 ug/L Chlorodibromomethane 0.99 ug/L Selenium 1.3 ug/L 1,2-Dichloroethane (EDC) 1.47 ug/L Beryllium and compounds 2.0 ug/L Chromium 3.65 ug/L Zinc 3.9 ug/L Arsenic 4.15 ug/L Aluminum 4.9 ug/L Vanadium 28.5 ug/L Barium 56.5 ug/L Carbon Dichloride 73.0 ug/L Iron 84.0 ug/L Boron 507.5 ug/L

Soil: Risk Not Evaluated

Contaminants: 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 0.037 mg/kg Bis(2-Ethylhexyl)Phthalate 0.073 mg/kg Dibutyl Phthalate 0.13 mg/kg Butyl Benzyl Phthalate 0.17 mg/kg Benzo(a)Pyrene 91.666666667 mg/kg

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Site ID: LF026

SLUDGE/OIL BURN PIT

Landfill

Cost

Unknown

Final Cleanup Action

Feb 2003

Site ID: LF047

POSSIBLE LANDFILL

Landfill

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.05 ug/L Silver and compounds 0.062 ug/L Cobalt 0.11 ug/L 1,2,4-Trimethylbenzene 0.25 ug/L Dichlorodifluoromethane 0.26 ug/L Carbon Tetrachloride 0.34 ug/L Selenium 0.43 ug/L Chloromethane (methyl chloride) 0.45 ug/L Copper and compounds 0.5 ug/L Molybdenum 0.61 ug/L Antimony and compounds 0.67 ug/L Lead 1.1 ug/L Zinc 2.7 ug/L Acetone 3.2 ug/L Manganese and compounds 3.2 ug/L Arsenic 4.5 ug/L Aluminum 10.0 ug/L Nickel (Soluble Salts) 12.0 ug/L Chromium 18.0 ug/L Barium 20.0 ug/L Vanadium 27.0 ug/L Iron 100.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 3.1900000000000004e-06 mg/kg Benz(a)Anthracene 0.004900000000000001 mg/kg Indeno(1,2,3-cd)Pyrene 0.01 mg/kg 2,3-Benzofluoranthene 0.012 mg/kg 8,9-Benzofluoranthene 0.013000000000000001 mg/kg Chrysene 0.013000000000000001 mg/kg Benzo(a)Pyrene 0.013000000000000001 mg/kg Benzo(def)Phenanthrene 0.025 mg/kg 1,2-Benzacenaphthene 0.032 mg/kg Silver and compounds 0.366 mg/kg

Soil: Risk Not Evaluated

Contaminants: Antimony and compounds 0.251 mg/kg Cadmium and compounds 0.3993333333 mg/kg Beryllium and compounds 0.421 mg/kg Silver and compounds 0.649 mg/kg Dibutyl Phthalate 0.79 mg/kg Molybdenum 0.9410000000000001 mg/kg Naphthalene 3.24 mg/kg Arsenic 5.08 mg/kg Cobalt 8.71 mg/kg Lead 13.466666667 mg/kg Nickel (Soluble Salts) 19.866666667 mg/kg Chromium 22.2 mg/kg Copper and compounds 23.833333333 mg/kg Vanadium 61.266666666999996 mg/kg Zinc 81.866666667 mg/kg Barium 168.46666667000002 mg/kg Manganese and compounds 455.66666667000004 mg/kg Aluminum 17400.0 mg/kg Iron 23200.0 mg/kg

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Site ID: LF262

AOC F-4 (METAL DISPOSAL AREA)

Landfill

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Lead 0.053 ug/L Cobalt 0.074 ug/L Manganese and compounds 0.16 ug/L Methylene Chloride 0.237 ug/L Antimony and compounds 0.25 ug/L Trichloroethylene (TCE) 0.536 ug/L Selenium 0.63 ug/L Copper and compounds 0.67 ug/L Nickel (Soluble Salts) 0.86 ug/L Molybdenum 1.3 ug/L Beryllium and compounds 1.8 ug/L 1,1,1-Trichloroethane 2.48 ug/L Arsenic 4.6 ug/L Chromium 4.7 ug/L Aluminum 5.1 ug/L Zinc 5.5 ug/L Vanadium 27.0 ug/L Barium 180.0 ug/L Iron 210.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Dibenzo(b,e)(1,4)dioxin,2,3,7,8-tetrachloro- 1.4e-06 mg/kg DDE 0.01 mg/kg Bis(2-Ethylhexyl)Phthalate 0.27 mg/kg Beryllium and compounds 0.30319999999999997 mg/kg Diethyl Phthalate 0.314 mg/kg Cadmium and compounds 0.33 mg/kg Molybdenum 0.52 mg/kg Arsenic 1.6 mg/kg Silver and compounds 1.61 mg/kg Antimony and compounds 2.4786666667 mg/kg Selenium 3.8000000000000003 mg/kg Cobalt 5.4 mg/kg Nickel (Soluble Salts) 11.700000000000001 mg/kg Chromium 17.1 mg/kg Copper and compounds 21.900000000000002 mg/kg Vanadium 25.900000000000002 mg/kg Lead 53.0 mg/kg Manganese and compounds 63.7 mg/kg Barium 66.9 mg/kg Benzo(a)Pyrene 81.0 mg/kg Zinc 99.10000000000001 mg/kg Aluminum 5140.0 mg/kg Iron 8570.0 mg/kg

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Site ID: TU303

TANK 701 (DIESEL UNDERGROUND STORAGE TANKS)

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Silver and compounds 0.043 ug/L Cobalt 0.11 ug/L Methylene Chloride 0.13 ug/L 1,2-trans-dichloroethylene 0.2 ug/L Selenium 0.205 ug/L Cadmium and compounds 0.21 ug/L 1,1-Dichloroethylene 0.21 ug/L Trichloroethylene (TCE) 0.27 ug/L Chloromethane (methyl chloride) 0.3 ug/L Chloroform 0.38 ug/L Trichlorofluoromethane 0.38 ug/L Antimony and compounds 0.4 ug/L 1,1-Dichloroethane 0.42 ug/L 1,1,2-Trichloroethane 0.53 ug/L cis-1,2-Dichloroethylene 0.62 ug/L Molybdenum 0.78 ug/L Lead 0.86 ug/L Carbon Dichloride 0.91 ug/L Chloroethane 0.92 ug/L Dichlorodifluoromethane 1.1 ug/L 1,2-Dichloroethane (EDC) 1.4 ug/L Nickel (Soluble Salts) 1.6 ug/L Copper and compounds 1.6 ug/L Acetone 2.7 ug/L Bis(2-Ethylhexyl)Phthalate 3.4 ug/L Arsenic 3.5 ug/L Manganese and compounds 4.1 ug/L Methyl Ethyl Ketone 10.0 ug/L Chromium 11.0 ug/L Zinc 18.0 ug/L Vanadium 26.0 ug/L Iron 89.0 ug/L Barium 100.0 ug/L Aluminum 130.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Naphthalene 2.0 mg/kg

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Site ID: ST131

UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.0285 mg/kg Silver and compounds 0.1165 mg/kg Bis(2-Ethylhexyl)Phthalate 0.132 mg/kg Beryllium and compounds 0.33 mg/kg Arsenic 1.75 mg/kg Lead 6.8500000000000005 mg/kg Cobalt 7.8500000000000005 mg/kg Naphthalene 11.833333333 mg/kg Copper and compounds 16.5 mg/kg Nickel (Soluble Salts) 21.1 mg/kg Chromium 29.5 mg/kg Zinc 36.5 mg/kg Vanadium 48.0 mg/kg Manganese and compounds 165.0 mg/kg Barium 197.0 mg/kg Iron 18350.0 mg/kg Aluminum 19050.0 mg/kg

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Site ID: CTU004

22 BLDG 22

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

May 1990

Site ID: SD078

WASTE POND

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Aug 2011

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Benzene, methyl- 0.002 mg/kg Benzene 0.0028 mg/kg Methylene Chloride 0.022 mg/kg Mirex 0.099 mg/kg Aroclor 1254 0.14 mg/kg Biphenyl, polychloro- 0.14 mg/kg Trichloroethylene (TCE) 0.39680000000000004 mg/kg Beryllium and compounds 0.435 mg/kg Cadmium and compounds 0.63 mg/kg Bis(2-Ethylhexyl)Phthalate 0.91 mg/kg Silver and compounds 3.2 mg/kg Antimony and compounds 3.3000000000000003 mg/kg Lead 6.15 mg/kg Cobalt 11.0 mg/kg Copper and compounds 21.0 mg/kg Nickel (Soluble Salts) 24.0 mg/kg Chromium 30.5 mg/kg Zinc 39.5 mg/kg Vanadium 55.0 mg/kg Barium 145.5 mg/kg Manganese and compounds 695.0 mg/kg Aluminum 22000.0 mg/kg Iron 22000.0 mg/kg

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Site ID: SD099

PAINT SHOP/SPRAY BOOTHS

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2008

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Silver and compounds 0.096 ug/L Benzene, methyl- 0.125 ug/L Cadmium and compounds 0.17 ug/L Antimony and compounds 0.19 ug/L Chloroform 0.23 ug/L Molybdenum 0.28 ug/L Trichloroethylene (TCE) 0.37 ug/L Chloromethane (methyl chloride) 0.4 ug/L Lead 0.44 ug/L Copper and compounds 0.45 ug/L Cobalt 0.48 ug/L Bromodichloromethane 1.4 ug/L Selenium 1.6 ug/L Arsenic 2.6 ug/L Acetone 2.8 ug/L Zinc 4.4 ug/L Chromium 6.1 ug/L Aluminum 8.3 ug/L Manganese and compounds 12.0 ug/L Vanadium 17.0 ug/L Nickel (Soluble Salts) 88.0 ug/L Barium 110.0 ug/L Iron 210.0 ug/L

Soil: Risk Not Evaluated

Contaminants: HCH (beta) 0.002 mg/kg Benzo(def)Phenanthrene 0.0021000000000000003 mg/kg DDD 0.0057 mg/kg DDE 0.014 mg/kg DDT 0.034 mg/kg Silver and compounds 0.053 mg/kg Cadmium and compounds 0.08466666669999999 mg/kg Bis(2-Ethylhexyl)Phthalate 0.1 mg/kg Beryllium and compounds 0.4033333333 mg/kg Molybdenum 0.485 mg/kg Antimony and compounds 0.72 mg/kg Naphthalene 2.4325 mg/kg Arsenic 4.5 mg/kg Lead 6.2333333333 mg/kg Cobalt 7.4333333333 mg/kg Chromium 17.5 mg/kg Nickel (Soluble Salts) 19.0 mg/kg Copper and compounds 27.0 mg/kg Vanadium 47.5 mg/kg Zinc 49.0 mg/kg Benzo(a)Pyrene 96.0 mg/kg Barium 216.66666667 mg/kg Manganese and compounds 296.66666667000004 mg/kg Aluminum 16333.333333 mg/kg Iron 24500.0 mg/kg

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Site ID: CTU003

340 BLDG 340

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

May 1990

Site ID: CTU008

640 BLDG 640

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Dec 2013

Site ID: SD083

STORM DRAINAGE DITCH

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 2014

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Carbon Dichloride 0.079 ug/L Methylene Chloride 0.0871 ug/L Trichloroethylene (TCE) 0.124 ug/L Beryllium and compounds 1.4 ug/L Manganese and compounds 3.3 ug/L Arsenic 3.9 ug/L Cadmium and compounds 4.2 ug/L Copper and compounds 9.2 ug/L Molybdenum 9.7 ug/L Iron 12.3 ug/L Nickel (Soluble Salts) 16.0 ug/L Chromium 18.2 ug/L Zinc 19.2 ug/L Lead 22.4 ug/L Vanadium 25.3 ug/L Barium 35.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 4.6e-06 mg/kg Aldrin 0.005900000000000001 mg/kg DDT 0.0078 mg/kg DDE 0.017 mg/kg Dieldrin 0.018000000000000002 mg/kg DDD 0.021 mg/kg HCH (beta) 0.026000000000000002 mg/kg Heptachlor 0.039 mg/kg Benz(a)Anthracene 0.043000000000000003 mg/kg Indeno(1,2,3-cd)Pyrene 0.063 mg/kg 8,9-Benzofluoranthene 0.1 mg/kg Dibenz[ah]anthracene 0.1 mg/kg Benzo(a)Pyrene 0.11 mg/kg 2,3-Benzofluoranthene 0.12 mg/kg Chrysene 0.13 mg/kg Benzo(def)Phenanthrene 0.31 mg/kg Selenium 0.318 mg/kg 1,2-Benzacenaphthene 0.39 mg/kg Silver and compounds 0.767 mg/kg Bis(2-Ethylhexyl)Phthalate 0.88 mg/kg

Soil: Risk Not Evaluated

Contaminants: Anthracene 0.018000000000000002 mg/kg Fluorene 0.021500000000000002 mg/kg Butyl Benzyl Phthalate 0.076 mg/kg Benz(a)Anthracene 0.2125 mg/kg 8,9-Benzofluoranthene 0.3105 mg/kg Chrysene 0.359 mg/kg Bis(2-Ethylhexyl)Phthalate 0.39 mg/kg Benzo(a)Pyrene 0.41200000000000003 mg/kg Beryllium and compounds 0.4645 mg/kg 2-(2-Methyl-4-Chlorophenoxy)Propionic Acid 0.51 mg/kg Indeno(1,2,3-cd)Pyrene 0.5235 mg/kg 2,3-Benzofluoranthene 0.5343333333000001 mg/kg Silver and compounds 0.84 mg/kg Benzo(def)Phenanthrene 0.9166666667 mg/kg Molybdenum 0.9450000000000001 mg/kg 1,2-Benzacenaphthene 1.0466666667 mg/kg Selenium 2.8000000000000003 mg/kg Arsenic 3.08 mg/kg Cadmium and compounds 5.388 mg/kg Antimony and compounds 6.4915 mg/kg Cobalt 9.24 mg/kg Nickel (Soluble Salts) 28.400000000000002 mg/kg Chromium 42.85 mg/kg Copper and compounds 59.550000000000004 mg/kg Vanadium 61.1 mg/kg Lead 122.98 mg/kg Manganese and compounds 181.5 mg/kg Barium 187.5 mg/kg Zinc 316.1 mg/kg Aluminum 19950.0 mg/kg Iron 23200.0 mg/kg

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Site ID: WP063

LANDFILL

Disposal Pit and Dry Well

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2014

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.03 ug/L Beryllium and compounds 0.04 ug/L Ethyl benzene 0.143 ug/L 1,2-trans-dichloroethylene 0.17 ug/L Benzene 0.176 ug/L Chloroform 0.188 ug/L 1,1-Dichloroethylene 0.218 ug/L Carbon Dichloride 0.26 ug/L 1,1-Dichloroethane 0.26 ug/L Methylene Chloride 0.275 ug/L 1,2-Dichloroethane (EDC) 0.301 ug/L cis-1,2-Dichloroethylene 0.34 ug/L Dichloropropane 0.349 ug/L Cobalt 0.364 ug/L Dichlorodifluoromethane 0.39 ug/L 1,2-Dichloroethene 0.41 ug/L Molybdenum 0.445 ug/L Benzene, methyl- 0.46 ug/L Chloromethane (methyl chloride) 0.47 ug/L Antimony and compounds 0.5 ug/L Lead 0.58 ug/L Silver and compounds 0.8 ug/L Nickel (Soluble Salts) 0.93 ug/L Copper and compounds 1.79 ug/L Bromomethane 2.0 ug/L 1,4-Diethylene Dioxide 2.1 ug/L Selenium 2.27 ug/L Acetone 2.9 ug/L Trichloroethylene (TCE) 3.5 ug/L Manganese and compounds 4.06 ug/L Chromium 5.23 ug/L Methyl Ethyl Ketone 5.55 ug/L Arsenic 5.88 ug/L Vanadium 8.79 ug/L Benzene, chloro- 16.4 ug/L Zinc 20.2 ug/L Barium 21.9 ug/L Aluminum 49.0 ug/L Iron 497.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Dibenzo(b,e)(1,4)dioxin,2,3,7,8-tetrachloro- 4.7e-06 mg/kg 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 5.5e-05 mg/kg Naphthalene 0.00185 mg/kg Anthracene 0.0022 mg/kg Dibenz[ah]anthracene 0.0050999999999999995 mg/kg 8,9-Benzofluoranthene 0.014 mg/kg Benz(a)Anthracene 0.018000000000000002 mg/kg Indeno(1,2,3-cd)Pyrene 0.019 mg/kg Chrysene 0.025 mg/kg Benzo(a)Pyrene 0.026000000000000002 mg/kg 1,2-Benzacenaphthene 0.027 mg/kg Benzo(def)Phenanthrene 0.028 mg/kg 2,3-Benzofluoranthene 0.037 mg/kg Biphenyl, polychloro- 0.053 mg/kg Butyl Benzyl Phthalate 0.058 mg/kg Selenium 0.0645 mg/kg Dibutyl Phthalate 0.089 mg/kg Bis(2-Ethylhexyl)Phthalate 0.15 mg/kg Beryllium and compounds 0.25 mg/kg Aroclor 1254 0.28 mg/kg Silver and compounds 0.28 mg/kg Antimony and compounds 0.375 mg/kg Molybdenum 0.63 mg/kg Cadmium and compounds 1.8900000000000001 mg/kg Arsenic 2.75 mg/kg Cobalt 8.950000000000001 mg/kg 2-Methylnaphthalene 10.0 mg/kg Nickel (Soluble Salts) 22.5 mg/kg Chromium 28.0 mg/kg Copper and compounds 36.5 mg/kg Vanadium 42.5 mg/kg Lead 52.0 mg/kg Zinc 86.0 mg/kg 1,2-Dichlorobenzene 89.0 mg/kg Barium 107.5 mg/kg Manganese and compounds 280.0 mg/kg Aluminum 8750.0 mg/kg Iron 18000.0 mg/kg

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Site ID: WP064

SLUDGE PONDS

Disposal Pit and Dry Well

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2014

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Antimony and compounds 0.084 ug/L Lead 0.1 ug/L Methylene Chloride 0.168 ug/L 1,2-trans-dichloroethylene 0.192 ug/L 1,1-Dichloroethylene 0.21 ug/L 1,2-Dichlorobenzene 0.216 ug/L Chloroform 0.23 ug/L Benzene 0.246 ug/L Benzene, chloro- 0.256 ug/L 1,2-Dichloroethane (EDC) 0.257 ug/L 1,1,2-Trichloroethane 0.285 ug/L Dichlorodifluoromethane 0.34 ug/L Selenium 0.36 ug/L Copper and compounds 0.445 ug/L cis-1,2-Dichloroethylene 0.55 ug/L Molybdenum 0.715 ug/L Carbon Dichloride 0.837 ug/L Cobalt 0.975 ug/L 1,1-Dichloroethane 0.98 ug/L Acetone 2.1 ug/L Manganese and compounds 2.35 ug/L Trichloroethylene (TCE) 2.9 ug/L Zinc 3.3 ug/L Arsenic 3.35 ug/L 1,4-Diethylene Dioxide 3.8 ug/L 1,2-Dichloroethene 4.6 ug/L Dichloropropane 7.16 ug/L o-Chlorotoluene 8.3 ug/L Nickel (Soluble Salts) 12.0 ug/L Chromium 17.5 ug/L Vanadium 23.5 ug/L Bromobenzene 25.0 ug/L Aluminum 38.5 ug/L Methylene Bromide 47.0 ug/L Barium 94.5 ug/L Iron 150.0 ug/L

Soil: Risk Not Evaluated

Contaminants: DDD 0.0055 mg/kg 1,1,1-Trichloroethane 0.007 mg/kg Dichloropropane 0.007 mg/kg Indeno(1,2,3-cd)Pyrene 0.0073 mg/kg DDE 0.009000000000000001 mg/kg cis-1,2-Dichloroethylene 0.013000000000000001 mg/kg Ethyl benzene 0.0275 mg/kg Carbon Dichloride 0.029 mg/kg Methylene Chloride 0.032 mg/kg Benzene, p-dichloro- 0.079 mg/kg Acetone 0.079 mg/kg Chrysene 0.1 mg/kg Benzene, methyl- 0.10400000000000001 mg/kg Benzene, chloro- 0.1165 mg/kg Trichloroethylene (TCE) 0.15 mg/kg Benzo(def)Phenanthrene 0.2 mg/kg Benz(a)Anthracene 0.2 mg/kg Naphthalene 0.2 mg/kg 2-Methylnaphthalene 0.2 mg/kg 2,4-Dimethylphenol 0.25 mg/kg Beryllium and compounds 0.274 mg/kg 1,2-Benzacenaphthene 0.3 mg/kg Antimony and compounds 0.38 mg/kg 1,2-Dichlorobenzene 0.4718 mg/kg Silver and compounds 0.595 mg/kg 1,2-Dichloroethane (EDC) 1.3 mg/kg Cyanide (free) 1.8 mg/kg Bis(2-Ethylhexyl)Phthalate 2.4 mg/kg Arsenic 2.77 mg/kg Cobalt 5.57 mg/kg Nickel (Soluble Salts) 13.1 mg/kg Chromium 26.2 mg/kg Cadmium and compounds 27.8 mg/kg Lead 32.1 mg/kg Vanadium 40.4 mg/kg Zinc 78.3 mg/kg Copper and compounds 93.10000000000001 mg/kg Barium 105.0 mg/kg Manganese and compounds 165.0 mg/kg Aluminum 5530.0 mg/kg Iron 11600.0 mg/kg

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Site ID: CF260

AOC F-2 (SOILS HOLDING AREA)

Contaminated Fill

Cost

Unknown

Final Cleanup Action

Mar 2013

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Bis(2-Ethylhexyl)Phthalate 0.16 mg/kg Beryllium and compounds 0.3175 mg/kg Molybdenum 0.7000000000000001 mg/kg Cadmium and compounds 0.81 mg/kg Selenium 2.5 mg/kg Arsenic 4.55 mg/kg Cobalt 8.9 mg/kg Copper and compounds 19.95 mg/kg Lead 21.85 mg/kg Nickel (Soluble Salts) 22.8 mg/kg Chromium 24.225 mg/kg Zinc 43.65 mg/kg Vanadium 44.675000000000004 mg/kg Benzo(a)Pyrene 57.033666667 mg/kg Barium 149.275 mg/kg Manganese and compounds 372.0 mg/kg Aluminum 11325.0 mg/kg Iron 19350.0 mg/kg

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Site ID: CG066

BASE WELL 18

Contaminated Ground Water

Cost

Unknown

Final Cleanup Action

Feb 2003

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Ethyl benzene 0.0523 ug/L 1,2-trans-dichloroethylene 0.0615 ug/L Benzene, methyl- 0.0907 ug/L 1,1-Dichloroethane 0.12 ug/L Cobalt 0.13 ug/L 1,2-Dichloroethane (EDC) 0.144 ug/L Benzene 0.195 ug/L 1,1-Dichloroethylene 0.21 ug/L Vinyl 2-Chloroethyl Ether 0.213 ug/L 1,1,1-Trichloroethane 0.246 ug/L Chloroform 0.27 ug/L Nickel (Soluble Salts) 0.28 ug/L Beryllium and compounds 0.3 ug/L Bromoform 0.32 ug/L Trichlorofluoromethane 0.395 ug/L Chlorodibromomethane 0.45 ug/L 1,1,2,2-Tetrachloroethane 0.47 ug/L Antimony and compounds 0.53 ug/L Methylene Chloride 0.55 ug/L Lead 0.59 ug/L 2-Methylnaphthalene 0.6 ug/L Carbon Tetrachloride 0.77 ug/L Copper and compounds 0.79 ug/L Selenium 0.83 ug/L Naphthalene 0.85 ug/L Carbon Dichloride 0.86 ug/L cis-1,2-Dichloroethylene 0.99 ug/L Manganese and compounds 1.0 ug/L 1,1,2-Trichloroethane 1.1 ug/L Bromodichloromethane 1.2 ug/L Benzenol 1.3 ug/L Aniline,N-phenyl- 1.3 ug/L N-Nitrosodiphenylamine 1.5 ug/L Benzenedicarboxylate 1.9 ug/L Molybdenum 2.2 ug/L 1,2-Dichloroethene 3.1 ug/L Arsenic 4.3 ug/L Acetophenone 4.4 ug/L Bis(2-Ethylhexyl)Phthalate 4.9 ug/L Aniline 5.9 ug/L Silver and compounds 7.9 ug/L Freon 113 9.9 ug/L Cadmium and compounds 12.0 ug/L Chromium 12.0 ug/L Dichlorodifluoromethane 12.0 ug/L Zinc 13.0 ug/L Trichloroethylene (TCE) 15.0 ug/L Acetone 16.0 ug/L Vanadium 23.0 ug/L Aluminum 37.0 ug/L Barium 61.0 ug/L Iron 130.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.38 mg/kg Cadmium and compounds 0.775 mg/kg Lead 7.9 mg/kg Cobalt 9.1 mg/kg Copper and compounds 24.5 mg/kg Chromium 26.0 mg/kg Nickel (Soluble Salts) 28.5 mg/kg Zinc 51.5 mg/kg Vanadium 52.5 mg/kg Barium 220.0 mg/kg Manganese and compounds 315.0 mg/kg Aluminum 19500.0 mg/kg Iron 21500.0 mg/kg

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Site ID: CTU006

614 BLDG 614

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Dec 2013

Site ID: WP056

HOLDING PONDS

Disposal Pit and Dry Well

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Antimony and compounds 0.088 ug/L Methylene Bromide 0.1755 ug/L Chloromethane (methyl chloride) 0.213 ug/L Chloroform 0.22 ug/L 1,1-Dichloroethane 0.22 ug/L Methylene Chloride 0.235 ug/L Carbon Dichloride 0.24 ug/L Benzene, methyl- 0.265 ug/L 1,1-Dichloroethylene 0.27 ug/L Copper and compounds 0.32 ug/L cis-1,2-Dichloroethylene 0.33 ug/L Selenium 0.34 ug/L Carbon Tetrachloride 0.342 ug/L Cobalt 0.35 ug/L Lead 0.41 ug/L Molybdenum 0.42 ug/L Trichloroethylene (TCE) 0.45 ug/L Benzene 0.78 ug/L 1,4-Diethylene Dioxide 0.83 ug/L Vinyl 2-Chloroethyl Ether 1.01 ug/L Nickel (Soluble Salts) 1.4 ug/L 1,2-Dichloroethene 1.55 ug/L Manganese and compounds 2.9 ug/L Acetone 3.6 ug/L Arsenic 4.0 ug/L 1,2-Dichloroethane (EDC) 4.09 ug/L Chromium 10.0 ug/L Zinc 12.0 ug/L Bromobenzene 13.4 ug/L Benzene, chloro- 17.7 ug/L Vanadium 27.0 ug/L Aluminum 28.0 ug/L Barium 75.0 ug/L Iron 140.0 ug/L Beryllium and compounds 308.46 ug/L

Soil: Risk Not Evaluated

Contaminants: Heptachlor 0.0014 mg/kg Aldrin 0.00192 mg/kg HCH (alpha) 0.005200000000000001 mg/kg Heptachlor Epoxide 0.006 mg/kg 8,9-Benzofluoranthene 0.009000000000000001 mg/kg Methoxychlor 0.017 mg/kg DDT 0.0175 mg/kg HCH (beta) 0.01815 mg/kg DDD 0.019 mg/kg Naphthalene 0.02 mg/kg Benzo(a)Pyrene 0.024 mg/kg Dieldrin 0.035 mg/kg Benzene, methyl- 0.044 mg/kg Diethyl Phthalate 0.0475 mg/kg DDE 0.049 mg/kg Chrysene 0.058 mg/kg Benzene 0.074 mg/kg Bis(2-Ethylhexyl)Phthalate 0.198 mg/kg Antimony and compounds 0.302 mg/kg Aroclor 1254 0.33 mg/kg Acenaphthene 0.45 mg/kg Beryllium and compounds 0.59 mg/kg Molybdenum 1.6 mg/kg Arsenic 3.3000000000000003 mg/kg Cobalt 11.0 mg/kg Cadmium and compounds 14.0 mg/kg Silver and compounds 42.0 mg/kg Nickel (Soluble Salts) 49.0 mg/kg Vanadium 54.0 mg/kg Copper and compounds 94.0 mg/kg Lead 100.0 mg/kg Zinc 190.0 mg/kg Barium 210.0 mg/kg Manganese and compounds 230.0 mg/kg Chromium 440.0 mg/kg Aluminum 22000.0 mg/kg Iron 26000.0 mg/kg

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Site ID: CTU002

482 BLDG 482

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

May 1990

Site ID: CTU005

1048 BLDG 1048

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Oct 2000

Site ID: WP046

ABANDONED IWTP

Waste Treatment Plant

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2012

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Silver and compounds 0.034 ug/L Methylene Chloride 0.0376 ug/L 1,1,2-Trichloroethane 0.0761 ug/L Chlorodibromomethane 0.0973 ug/L Beryllium and compounds 0.13 ug/L Benzene, p-dichloro- 0.134 ug/L Antimony and compounds 0.18 ug/L Cadmium and compounds 0.18 ug/L 1,1-Dichloroethylene 0.24 ug/L 1,2-Dichloroethane (EDC) 0.25 ug/L 1,2-trans-dichloroethylene 0.307 ug/L 1,2-Dichloroethene 0.31 ug/L Carbon Tetrachloride 0.33 ug/L Selenium 0.38 ug/L Manganese and compounds 0.45 ug/L Lead 0.53 ug/L Copper and compounds 0.54 ug/L Freon 113 0.78 ug/L Chloroform 1.4 ug/L 1,4-Diethylene Dioxide 2.4 ug/L Arsenic 3.5 ug/L Acetone 3.7 ug/L Molybdenum 4.0 ug/L Zinc 5.5 ug/L Cobalt 5.9 ug/L cis-1,2-Dichloroethylene 6.05 ug/L o-Chlorotoluene 8.05 ug/L Bromobenzene 14.0 ug/L Iron 14.0 ug/L Vanadium 17.0 ug/L Aluminum 20.0 ug/L Benzene, methyl- 23.9 ug/L Barium 29.0 ug/L Nickel (Soluble Salts) 49.0 ug/L Chromium 59.0 ug/L 1,2-Dichlorobenzene 98.5 ug/L Cyanide (free) 110.0 ug/L Carbon Dichloride 205.0 ug/L Trichloroethylene (TCE) 725.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Vinyl Chloride 0.0050999999999999995 mg/kg Benzene, 1,2,4-trichloro- 0.0073 mg/kg 1,3-Dichlorobenzene 0.00735 mg/kg Benzene, p-dichloro- 0.0125 mg/kg Antimony and compounds 0.021500000000000002 mg/kg Methylene Chloride 0.0216 mg/kg Benzene 0.023 mg/kg Trichloroethylene (TCE) 0.041 mg/kg 1,2-Dichlorobenzene 0.06575 mg/kg o-Xylene 0.0721 mg/kg cis-1,2-Dichloroethylene 0.0915 mg/kg Bis(2-Ethylhexyl)Phthalate 0.11 mg/kg Selenium 0.22 mg/kg Benzoic Acid 0.3 mg/kg Beryllium and compounds 0.335 mg/kg Cyanide (free) 0.48 mg/kg Molybdenum 0.76 mg/kg Arsenic 1.7 mg/kg Carbon Dichloride 2.06 mg/kg Naphthalene 2.6333333333 mg/kg Cobalt 7.4 mg/kg Cadmium and compounds 21.5 mg/kg Vanadium 23.5 mg/kg Lead 34.5 mg/kg Silver and compounds 49.5 mg/kg Copper and compounds 50.0 mg/kg Barium 56.0 mg/kg Zinc 67.0 mg/kg Chromium 145.0 mg/kg Manganese and compounds 160.0 mg/kg Nickel (Soluble Salts) 520.0 mg/kg Aluminum 6700.0 mg/kg Iron 11000.0 mg/kg

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Site ID: WP048

SETTLING POND

Disposal Pit and Dry Well

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2014

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Fluorene 0.0011 mg/kg Naphthalene 0.0013000000000000002 mg/kg Anthracene 0.0055 mg/kg Acenaphthene 0.0083 mg/kg Dibenz[ah]anthracene 0.019 mg/kg Silver and compounds 0.0356666667 mg/kg Selenium 0.037 mg/kg 8,9-Benzofluoranthene 0.044 mg/kg Indeno(1,2,3-cd)Pyrene 0.055 mg/kg Benz(a)Anthracene 0.066 mg/kg 1,2-Benzacenaphthene 0.079 mg/kg Chrysene 0.084 mg/kg Benzo(def)Phenanthrene 0.08700000000000001 mg/kg Benzo(a)Pyrene 0.1 mg/kg 2,3-Benzofluoranthene 0.11 mg/kg Cadmium and compounds 0.1143333333 mg/kg Antimony and compounds 0.23 mg/kg Beryllium and compounds 0.4233333333 mg/kg Molybdenum 1.9000000000000001 mg/kg Arsenic 2.9666666667 mg/kg Lead 7.6666666667 mg/kg Cobalt 10.733333333000001 mg/kg Nickel (Soluble Salts) 22.333333333 mg/kg Chromium 25.333333333 mg/kg Copper and compounds 29.0 mg/kg Zinc 64.0 mg/kg Vanadium 70.666666667 mg/kg Barium 183.33333333 mg/kg Manganese and compounds 340.0 mg/kg Aluminum 18000.0 mg/kg Iron 27333.333333000002 mg/kg

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Site ID: CTU010

603 BLDG 603

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Dec 2013

Site ID: DP004

SLUDGE/OIL PIT

Disposal Pit and Dry Well

Cost

Unknown

Final Cleanup Action

Feb 2000

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cobalt 0.15 ug/L Molybdenum 0.21 ug/L 1,1-Dichloroethylene 0.21 ug/L Manganese and compounds 0.23 ug/L Carbon Dichloride 0.27 ug/L Bromodichloromethane 0.35 ug/L Selenium 0.44 ug/L Lead 0.58 ug/L cis-1,2-Dichloroethylene 1.1 ug/L Copper and compounds 1.1 ug/L Arsenic 2.4 ug/L Chloroform 2.6 ug/L Nickel (Soluble Salts) 3.1 ug/L Carbon Tetrachloride 7.2 ug/L Aluminum 7.5 ug/L Chromium 8.3 ug/L Zinc 14.0 ug/L Vanadium 21.0 ug/L Trichloroethylene (TCE) 32.0 ug/L Iron 78.0 ug/L Barium 130.0 ug/L

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Site ID: DP005

SLUDGE/OIL PIT

Disposal Pit and Dry Well

Cost

Unknown

Final Cleanup Action

Feb 2000

Site ID: DP006

OIL BURN PIT

Disposal Pit and Dry Well

Cost

Unknown

Final Cleanup Action

Feb 2000

Site ID: WP090

ABANDONED IWTP

Waste Treatment Plant

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2012

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.26 mg/kg Cadmium and compounds 0.33 mg/kg Selenium 0.43 mg/kg Silver and compounds 0.59 mg/kg Naphthalene 2.6966666667 mg/kg Carbon Dichloride 3.2046 mg/kg cis-1,2-Dichloroethylene 4.70185 mg/kg Arsenic 7.0 mg/kg Cobalt 7.7 mg/kg Antimony and compounds 7.8 mg/kg Copper and compounds 20.0 mg/kg Nickel (Soluble Salts) 22.0 mg/kg Chromium 26.0 mg/kg Trichloroethylene (TCE) 29.006266667000002 mg/kg Zinc 30.0 mg/kg Vanadium 38.0 mg/kg Lead 82.5 mg/kg Barium 100.0 mg/kg Manganese and compounds 310.0 mg/kg Aluminum 8600.0 mg/kg Iron 14000.0 mg/kg

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Site ID: DP015

SODIUM VALVE TRENCH

Disposal Pit and Dry Well

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: 8,9-Benzofluoranthene 0.004200000000000001 mg/kg Benz(a)Anthracene 0.0067 mg/kg Benzo(a)Pyrene 0.0087 mg/kg Benzo(def)Phenanthrene 0.012 mg/kg 1,2-Benzacenaphthene 0.012 mg/kg Chrysene 0.012 mg/kg 2,3-Benzofluoranthene 0.013000000000000001 mg/kg Bis(2-Ethylhexyl)Phthalate 0.031 mg/kg Aroclor 1254 0.033 mg/kg Dibenz[ah]anthracene 0.037 mg/kg Selenium 0.058 mg/kg Indeno(1,2,3-cd)Pyrene 0.097 mg/kg Antimony and compounds 0.15 mg/kg Molybdenum 0.1633333333 mg/kg Silver and compounds 0.18 mg/kg Beryllium and compounds 0.49 mg/kg Dibutyl Phthalate 1.3 mg/kg Arsenic 1.7 mg/kg Naphthalene 2.4050000000000002 mg/kg Cobalt 5.5 mg/kg Cadmium and compounds 9.4 mg/kg Lead 11.0 mg/kg Copper and compounds 18.0 mg/kg Nickel (Soluble Salts) 23.0 mg/kg Chromium 37.0 mg/kg Zinc 40.0 mg/kg Vanadium 53.0 mg/kg Manganese and compounds 140.0 mg/kg Barium 220.0 mg/kg Aluminum 15000.0 mg/kg Iron 23000.0 mg/kg

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Site ID: DP027

SODIUM VALVE TRENCH

Disposal Pit and Dry Well

Cost

Unknown

Final Cleanup Action

Feb 2003

Site ID: CTU007

5365 BLDG 5365 (CAPEHART GAS STATION)

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

May 1990

Site ID: SD125

S-40 TROOP ISSUE AREA

Storm Drain

Cost

$7,000

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2008

Site ID: DP035

SCRAP METAL BURIAL PIT

Disposal Pit and Dry Well

Cost

Unknown

Final Cleanup Action

Feb 2003

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: cis-1,2-Dichloroethylene 61.0 ug/L 1,2-Dichlorobenzene 985.0 ug/L Trichloroethylene (TCE) 2400.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.21 mg/kg Cadmium and compounds 1.4000000000000001 mg/kg Naphthalene 2.5933333333 mg/kg Arsenic 4.8500000000000005 mg/kg Cobalt 5.1000000000000005 mg/kg cis-1,2-Dichloroethylene 5.4573571429 mg/kg Carbon Dichloride 5.670733333299999 mg/kg Lead 6.2 mg/kg Nickel (Soluble Salts) 29.0 mg/kg Vanadium 32.0 mg/kg Chromium 35.0 mg/kg Zinc 38.0 mg/kg Trichloroethylene (TCE) 46.718616667000006 mg/kg Copper and compounds 53.0 mg/kg Barium 60.0 mg/kg Manganese and compounds 150.0 mg/kg Aluminum 9000.0 mg/kg Iron 12000.0 mg/kg

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Site ID: SD115

DEPAINT WASHRACK

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2012

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Aroclor 1254 0.045 mg/kg Carbon Dichloride 0.0555 mg/kg cis-1,2-Dichloroethylene 0.0707 mg/kg Selenium 0.16 mg/kg Beryllium and compounds 0.26 mg/kg Antimony and compounds 0.32 mg/kg Biphenyl, polychloro- 0.41000000000000003 mg/kg Silver and compounds 0.99 mg/kg Naphthalene 2.415 mg/kg o-Xylene 3.3351 mg/kg Cadmium and compounds 3.7 mg/kg Arsenic 3.8000000000000003 mg/kg Molybdenum 4.1 mg/kg Trichloroethylene (TCE) 6.01215 mg/kg Cobalt 8.1 mg/kg Benzene, methyl- 24.605 mg/kg Nickel (Soluble Salts) 25.0 mg/kg Copper and compounds 45.0 mg/kg Chromium 46.0 mg/kg Vanadium 53.0 mg/kg Ethyl benzene 56.0 mg/kg Zinc 97.0 mg/kg Lead 110.0 mg/kg Barium 120.0 mg/kg Manganese and compounds 270.0 mg/kg Iron 18000.0 mg/kg Aluminum 19000.0 mg/kg

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Site ID: CTU009

659 BLDG 659

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

May 1990

Site ID: SD126

MAT K STORAGE

Storm Drain

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2014

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Antimony and compounds 0.8 ug/L Molybdenum 1.0 ug/L Beryllium and compounds 1.4 ug/L Cadmium and compounds 8.6 ug/L Cobalt 8.9 ug/L Chromium 11.6 ug/L Nickel (Soluble Salts) 14.2 ug/L Lead 45.1 ug/L Vanadium 53.0 ug/L Copper and compounds 62.5 ug/L Zinc 335.0 ug/L Barium 737.0 ug/L Manganese and compounds 771.0 ug/L Iron 5070.0 ug/L Aluminum 8900.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Benzo(a)Pyrene 0.0003 mg/kg 8,9-Benzofluoranthene 0.0005 mg/kg Chrysene 0.0007 mg/kg Anthracene 0.0009000000000000001 mg/kg Benzo(def)Phenanthrene 0.0009000000000000001 mg/kg Benz(a)Anthracene 0.0016 mg/kg Fluorene 0.0017 mg/kg 1,2-Benzacenaphthene 0.0019 mg/kg 2,3-Benzofluoranthene 0.0034 mg/kg Silver and compounds 0.028 mg/kg Selenium 0.037 mg/kg Cadmium and compounds 0.11 mg/kg Antimony and compounds 0.12 mg/kg Molybdenum 0.28 mg/kg Beryllium and compounds 0.33 mg/kg Arsenic 1.6 mg/kg Lead 5.3 mg/kg Cobalt 6.3 mg/kg Copper and compounds 10.0 mg/kg Nickel (Soluble Salts) 13.0 mg/kg Zinc 17.0 mg/kg Chromium 21.0 mg/kg Vanadium 40.0 mg/kg Benzene, chloro- 78.666666667 mg/kg Barium 92.0 mg/kg Manganese and compounds 180.0 mg/kg Aluminum 8600.0 mg/kg Iron 14000.0 mg/kg

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Site ID: SD119

DEGREASER/PAINT BOOTH

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2012

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Lead 0.05 ug/L Carbon Tetrachloride 0.161 ug/L Cobalt 0.19 ug/L 1,2-Dichloroethane (EDC) 0.21 ug/L 1,1-Dichloroethylene 0.27 ug/L Copper and compounds 0.28 ug/L 1,2-trans-dichloroethylene 0.304 ug/L Chloroform 0.4 ug/L Selenium 0.43 ug/L Molybdenum 0.96 ug/L Antimony and compounds 1.4 ug/L Carbon Dichloride 2.6 ug/L Manganese and compounds 2.9 ug/L cis-1,2-Dichloroethylene 3.3 ug/L Arsenic 3.3 ug/L Freon 113 4.7 ug/L Zinc 5.4 ug/L 1,2-Dichloroethene 5.75 ug/L Bromobenzene 13.0 ug/L Chromium 13.0 ug/L Acetone 16.0 ug/L Aluminum 22.0 ug/L Vanadium 22.0 ug/L Trichloroethylene (TCE) 37.0 ug/L Nickel (Soluble Salts) 43.0 ug/L Barium 65.0 ug/L Iron 130.0 ug/L

Soil: Risk Not Evaluated

Contaminants: 1,1,1-Trichloroethane 0.0034 mg/kg Benzene, chloro- 0.009000000000000001 mg/kg o-Xylene 0.018000000000000002 mg/kg cis-1,2-Dichloroethylene 0.03536 mg/kg Carbon Dichloride 0.10166666669999999 mg/kg Benzene 0.111 mg/kg 1,2-Dichlorobenzene 0.1475 mg/kg Trichloroethylene (TCE) 0.19371428570000002 mg/kg Beryllium and compounds 0.4 mg/kg Cadmium and compounds 0.8 mg/kg Benzene, methyl- 0.86475 mg/kg Naphthalene 2.6750000000000003 mg/kg Cobalt 7.5 mg/kg Copper and compounds 9.55 mg/kg Nickel (Soluble Salts) 10.85 mg/kg Arsenic 11.0 mg/kg Lead 16.5 mg/kg Chromium 17.5 mg/kg Zinc 19.5 mg/kg Vanadium 32.5 mg/kg Barium 125.0 mg/kg Manganese and compounds 395.0 mg/kg Aluminum 6000.0 mg/kg Iron 13000.0 mg/kg

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Site ID: DP070

SPOIL PIT/BORROW PIT

Disposal Pit and Dry Well

Cost

Unknown

Final Cleanup Action

Jun 2014

Site ID: CTU011

4089 BLDG 4089

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

May 1990

Site ID: DP151

SLUDGE DISPOSAL PIT

Disposal Pit and Dry Well

Cost

Unknown

Final Cleanup Action

Feb 2003

Site ID: WP179

SURFACE DISPOSAL

Surface Disposal Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Methylene Chloride 0.0499 ug/L Benzene, methyl- 0.0632 ug/L Lead 0.11 ug/L Antimony and compounds 0.18 ug/L Beryllium and compounds 0.2 ug/L Freon 113 0.53 ug/L Molybdenum 0.67 ug/L Trichloroethylene (TCE) 0.788 ug/L Manganese and compounds 1.3 ug/L 1,2-Dichloroethane (EDC) 2.09 ug/L Zinc 6.3 ug/L Arsenic 6.7 ug/L Copper and compounds 6.8 ug/L Acetone 9.28 ug/L Chromium 11.0 ug/L Aluminum 17.0 ug/L Vanadium 26.0 ug/L Barium 41.0 ug/L Nickel (Soluble Salts) 71.0 ug/L Iron 86.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Benzo(def)Phenanthrene 0.056 mg/kg 1,2-Benzacenaphthene 0.064 mg/kg Chrysene 0.066 mg/kg Silver and compounds 0.077 mg/kg Dibutyl Phthalate 0.15 mg/kg Cadmium and compounds 0.17300000000000001 mg/kg Beryllium and compounds 0.265 mg/kg Benzenedicarboxylate 0.38 mg/kg Butyl Benzyl Phthalate 0.63 mg/kg Bis(2-Ethylhexyl)Phthalate 1.2566666667 mg/kg Arsenic 1.8333333333000001 mg/kg Cobalt 6.9 mg/kg Copper and compounds 11.766666666999999 mg/kg Nickel (Soluble Salts) 19.666666667 mg/kg Lead 27.1 mg/kg Chromium 30.333333333 mg/kg Vanadium 42.666666667 mg/kg Zinc 76.666666667 mg/kg Barium 203.33333333 mg/kg Manganese and compounds 460.0 mg/kg Aluminum 12333.333333 mg/kg Iron 16333.333333 mg/kg

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Site ID: DP152

FUEL/SOLVENT/OIL BURN PIT

Disposal Pit and Dry Well

Cost

Unknown

Final Cleanup Action

Feb 2003

Site ID: DP153

FUEL/SOLVENT SLUDGE PIT

Disposal Pit and Dry Well

Cost

Unknown

Final Cleanup Action

Feb 2003

Site ID: LF009

POSSIBLE LANDFILL

Landfill

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, methyl- 0.0762 ug/L Trichloroethylene (TCE) 0.149 ug/L Methylene Chloride 0.227 ug/L Trichlorofluoromethane 0.943 ug/L Carbon Dichloride 1.17 ug/L Dichlorodifluoromethane 2.54 ug/L Benzene 6.91 ug/L Acetone 7.64 ug/L

Soil: Risk Not Evaluated

Contaminants: Benz(a)Anthracene 7.3e-06 mg/kg 8,9-Benzofluoranthene 9.6e-06 mg/kg Benzo(a)Pyrene 1.33e-05 mg/kg 2,3-Benzofluoranthene 1.83e-05 mg/kg Fluorene 4.645e-05 mg/kg 1,2-Benzacenaphthene 4.83e-05 mg/kg Benzo(def)Phenanthrene 5.01e-05 mg/kg Indeno(1,2,3-cd)Pyrene 0.00012429999999999999 mg/kg Beryllium and compounds 0.33 mg/kg Dibutyl Phthalate 0.45 mg/kg Arsenic 0.85 mg/kg Cadmium and compounds 1.335 mg/kg Naphthalene 2.7800000000000002 mg/kg Nickel (Soluble Salts) 9.200000000000001 mg/kg Cobalt 9.9 mg/kg Copper and compounds 17.0 mg/kg Chromium 18.0 mg/kg Lead 23.5 mg/kg Zinc 31.0 mg/kg Vanadium 35.0 mg/kg Barium 90.0 mg/kg Manganese and compounds 315.0 mg/kg Aluminum 9400.0 mg/kg Iron 12000.0 mg/kg

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Site ID: LF017

POSSIBLE LANDFILL

Landfill

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Sediment (Human): Risk Not Evaluated

Contaminants: HCH (alpha) 0.011 mg/kg DDT 0.017 mg/kg Heptachlor 0.021 mg/kg DDD 0.061 mg/kg Beryllium and compounds 0.38 mg/kg Anthracene 0.59 mg/kg Aroclor 1254 0.63 mg/kg Indeno(1,2,3-cd)Pyrene 0.72 mg/kg Selenium 0.76 mg/kg 8,9-Benzofluoranthene 0.85 mg/kg Benzo(a)Pyrene 1.1 mg/kg Benz(a)Anthracene 1.5 mg/kg Chrysene 1.8 mg/kg 2,3-Benzofluoranthene 2.2 mg/kg Benzenol 2.9 mg/kg Bis(2-Ethylhexyl)Phthalate 3.1 mg/kg Benzo(def)Phenanthrene 3.5 mg/kg Butyl Benzyl Phthalate 4.0 mg/kg 1,2-Benzacenaphthene 4.3 mg/kg Arsenic 7.7 mg/kg Cobalt 12.0 mg/kg Antimony and compounds 15.0 mg/kg Molybdenum 45.0 mg/kg Vanadium 83.0 mg/kg Cadmium and compounds 230.0 mg/kg Silver and compounds 330.0 mg/kg Nickel (Soluble Salts) 340.0 mg/kg Barium 810.0 mg/kg Copper and compounds 1000.0 mg/kg Manganese and compounds 1200.0 mg/kg Lead 1500.0 mg/kg Chromium 6200.0 mg/kg Zinc 6600.0 mg/kg Aluminum 13000.0 mg/kg Iron 35000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.4 mg/kg Naphthalene 2.895 mg/kg Lead 10.5 mg/kg Cobalt 11.15 mg/kg Nickel (Soluble Salts) 18.5 mg/kg Copper and compounds 25.5 mg/kg Chromium 26.0 mg/kg Zinc 49.0 mg/kg Vanadium 65.5 mg/kg Barium 149.5 mg/kg Manganese and compounds 370.0 mg/kg Aluminum 14500.0 mg/kg Iron 25000.0 mg/kg

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Site ID: LF018

LANDFILL

Landfill

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.328 mg/kg Antimony and compounds 0.41100000000000003 mg/kg Dibutyl Phthalate 0.58 mg/kg Cadmium and compounds 0.85 mg/kg Silver and compounds 0.918 mg/kg Naphthalene 2.31 mg/kg Cobalt 6.3100000000000005 mg/kg Nickel (Soluble Salts) 16.35 mg/kg Lead 17.565 mg/kg Chromium 26.150000000000002 mg/kg Copper and compounds 30.5 mg/kg Zinc 38.6 mg/kg Vanadium 38.9 mg/kg Barium 93.95 mg/kg Manganese and compounds 218.0 mg/kg Iron 13450.0 mg/kg Aluminum 13500.0 mg/kg

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Site ID: LF001

LANDFILL

Landfill

Cost

Unknown

Final Cleanup Action

Feb 2000

Site ID: LF002

SLUDGE/OIL PIT

Landfill

Cost

Unknown

Final Cleanup Action

Feb 2000

Site ID: LF003

SLUDGE/OIL PIT

Landfill

Cost

Unknown

Final Cleanup Action

Feb 2000

Site ID: LF019

POSSIBLE LANDFILL

Landfill

Cost

Unknown

Final Cleanup Action

Jun 2013

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.31 mg/kg Dibutyl Phthalate 0.9400000000000001 mg/kg Naphthalene 1.665 mg/kg Lead 7.8 mg/kg Cobalt 10.200000000000001 mg/kg Nickel (Soluble Salts) 19.5 mg/kg Copper and compounds 19.5 mg/kg Chromium 32.0 mg/kg Zinc 40.5 mg/kg Vanadium 57.5 mg/kg Barium 115.0 mg/kg Manganese and compounds 320.0 mg/kg Aluminum 15500.0 mg/kg Iron 22500.0 mg/kg

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Site ID: WR323

APRON 7618 (AOC 323)

Washrack

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2014

This site is under ongoing monitoring until Sep 2045

Site ID: LF044

PAINT WASTE LANDFILL

Landfill

Cost

Unknown

Final Cleanup Action

Jun 2014

Site ID: LF055

LANDFILL

Landfill

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Methylene Chloride 0.0674 ug/L Lead 0.084 ug/L Antimony and compounds 0.11 ug/L 1,2-Dichloroethane (EDC) 0.168 ug/L Chloroform 0.22 ug/L Copper and compounds 0.3 ug/L Carbon Dichloride 0.35 ug/L Chloromethane (methyl chloride) 0.35 ug/L 1,2-trans-dichloroethylene 0.36 ug/L Manganese and compounds 0.41 ug/L 1,1-Dichloroethylene 0.43 ug/L Cobalt 0.46 ug/L 1,1-Dichloroethane 0.72 ug/L Cadmium and compounds 1.37 ug/L 1,4-Diethylene Dioxide 1.8 ug/L cis-1,2-Dichloroethylene 2.7 ug/L Acetone 3.6 ug/L 1,2-Dichloroethene 3.7 ug/L Zinc 3.8 ug/L Arsenic 4.8 ug/L Nickel (Soluble Salts) 8.7 ug/L Aluminum 9.1 ug/L Chromium 13.0 ug/L Bromobenzene 15.6 ug/L Molybdenum 18.0 ug/L Trichloroethylene (TCE) 19.0 ug/L Vanadium 31.0 ug/L Iron 54.0 ug/L Barium 61.0 ug/L 1,1,1-Trichloroethane 95.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Benz(a)Anthracene 2.7000000000000004e-06 mg/kg 8,9-Benzofluoranthene 2.8e-06 mg/kg Benzo(a)Pyrene 3.9e-06 mg/kg 2,3-Benzofluoranthene 1.2200000000000002e-05 mg/kg Fluorene 5.13e-05 mg/kg Indeno(1,2,3-cd)Pyrene 0.000154 mg/kg Beryllium and compounds 0.3 mg/kg Bis(2-Ethylhexyl)Phthalate 0.85 mg/kg Cadmium and compounds 1.7 mg/kg Silver and compounds 2.0 mg/kg Molybdenum 2.1 mg/kg Dibutyl Phthalate 2.85 mg/kg Arsenic 3.9666666667 mg/kg Cobalt 7.9 mg/kg Nickel (Soluble Salts) 12.0 mg/kg Copper and compounds 13.0 mg/kg Chromium 25.0 mg/kg Lead 29.0 mg/kg Vanadium 29.0 mg/kg Zinc 34.0 mg/kg Barium 91.0 mg/kg Manganese and compounds 390.0 mg/kg Aluminum 7400.0 mg/kg Iron 10000.0 mg/kg

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Site ID: SD165

MAGPIE CREEK

Storm Drain

Cost

$112K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2015

This site is under ongoing monitoring until Jan 2018

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, chloro- 0.0731 ug/L 1,1,2-Trichloroethane 0.16 ug/L Chloromethane (methyl chloride) 0.19 ug/L Methylene Bromide 0.195 ug/L Freon 113 0.2 ug/L Dichloropropane 0.2 ug/L Carbon Dichloride 0.21 ug/L Bromodichloromethane 0.21 ug/L Carbon Tetrachloride 0.23 ug/L 1,2-trans-dichloroethylene 0.39 ug/L Hexachlorobutadiene 0.52 ug/L 1,3-Dichlorobenzene 0.549 ug/L Methylene Chloride 0.58 ug/L o-Xylene 0.83 ug/L Silver and compounds 0.97 ug/L Copper and compounds 0.99 ug/L Lead 1.1 ug/L Cadmium and compounds 1.1 ug/L 1,1-Dichloroethylene 1.1 ug/L 1,2-Dichloroethane (EDC) 1.15 ug/L Nickel (Soluble Salts) 1.2 ug/L Beryllium and compounds 1.2 ug/L Ethyl benzene 1.3 ug/L Selenium 1.3 ug/L Chloroform 1.45 ug/L 1,2-Dichlorobenzene 1.59 ug/L Antimony and compounds 1.8 ug/L 1,2-Dichloroethene 2.0 ug/L Molybdenum 2.2 ug/L Benzene, methyl- 2.5 ug/L Cobalt 3.0 ug/L Arsenic 4.6 ug/L Manganese and compounds 4.9 ug/L o-Chlorotoluene 7.9 ug/L 1,4-Diethylene Dioxide 8.1 ug/L 1,1-Dichloroethane 9.45 ug/L Trichloroethylene (TCE) 16.0 ug/L Benzene 18.1 ug/L cis-1,2-Dichloroethylene 21.5 ug/L Acetone 23.0 ug/L Chromium 28.0 ug/L Vanadium 30.0 ug/L Barium 32.0 ug/L Zinc 35.0 ug/L Bromobenzene 36.4 ug/L Naphthalene 59.7 ug/L Aluminum 110.0 ug/L Iron 200.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 1.67e-06 mg/kg HCH (alpha) 0.0006270000000000001 mg/kg HCH (beta) 0.0006780000000000001 mg/kg Heptachlor 0.0007700000000000001 mg/kg HCH (gamma) Lindane 0.0009220000000000001 mg/kg DDE 0.0076 mg/kg DDD 0.008199999999999999 mg/kg Aldrin 0.0087 mg/kg Endrin 0.0096 mg/kg Dieldrin 0.012 mg/kg 1,2-Benzacenaphthene 0.017 mg/kg DDT 0.018000000000000002 mg/kg Anthracene 0.02 mg/kg Benzo(def)Phenanthrene 0.023 mg/kg Methoxychlor 0.039 mg/kg Heptachlor Epoxide 0.06215 mg/kg Benz(a)Anthracene 0.12 mg/kg Antimony and compounds 0.14 mg/kg Indeno(1,2,3-cd)Pyrene 0.19 mg/kg Chrysene 0.27 mg/kg Selenium 0.297 mg/kg Benzo(a)Pyrene 0.3 mg/kg Silver and compounds 0.41000000000000003 mg/kg Beryllium and compounds 0.533 mg/kg 2,3-Benzofluoranthene 0.61 mg/kg 8,9-Benzofluoranthene 0.7000000000000001 mg/kg Molybdenum 0.998 mg/kg Bis(2-Ethylhexyl)Phthalate 1.3 mg/kg Naphthalene 1.87 mg/kg Arsenic 3.15 mg/kg Cadmium and compounds 5.2 mg/kg Cobalt 11.0 mg/kg Nickel (Soluble Salts) 42.300000000000004 mg/kg Vanadium 50.300000000000004 mg/kg Copper and compounds 88.4 mg/kg Lead 88.7 mg/kg Chromium 107.0 mg/kg Barium 179.0 mg/kg Manganese and compounds 218.0 mg/kg Zinc 595.0 mg/kg Aluminum 18700.0 mg/kg Iron 21700.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Dibenzo(b,e)(1,4)dioxin,2,3,7,8-tetrachloro- 6.0e-07 mg/kg 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 7.0349999999999996e-06 mg/kg Acenaphthene 0.000424 mg/kg Fluorene 0.0006640000000000001 mg/kg HCH (alpha) 0.00135 mg/kg Heptachlor 0.00202 mg/kg HCH (beta) 0.0022 mg/kg Benzo(def)Phenanthrene 0.0027 mg/kg 1,2-Benzacenaphthene 0.0028 mg/kg Chrysene 0.0029 mg/kg 2,3-Benzofluoranthene 0.0035 mg/kg Naphthalene 0.00435 mg/kg HCH (gamma) Lindane 0.00454 mg/kg Anthracene 0.0046 mg/kg Heptachlor Epoxide 0.005200000000000001 mg/kg Dibenz[ah]anthracene 0.005900000000000001 mg/kg DDT 0.0111 mg/kg 8,9-Benzofluoranthene 0.013300000000000001 mg/kg Methoxychlor 0.0175 mg/kg Indeno(1,2,3-cd)Pyrene 0.020399999999999998 mg/kg Benzo(a)Pyrene 0.020399999999999998 mg/kg Benz(a)Anthracene 0.021 mg/kg Selenium 0.06 mg/kg DDE 0.0676333333 mg/kg Benzene 0.0722 mg/kg Aroclor 1254 0.0856 mg/kg Dieldrin 0.1056666667 mg/kg Ethyl benzene 0.137 mg/kg DDD 0.2066666667 mg/kg Molybdenum 0.2245 mg/kg Antimony and compounds 0.2325 mg/kg Beryllium and compounds 0.25 mg/kg Butyl Benzyl Phthalate 0.26 mg/kg Bis(2-Ethylhexyl)Phthalate 1.46 mg/kg Silver and compounds 1.5 mg/kg Dibutyl Phthalate 1.5 mg/kg Arsenic 2.1 mg/kg Cadmium and compounds 5.4 mg/kg Cobalt 6.3 mg/kg Nickel (Soluble Salts) 10.85 mg/kg Copper and compounds 12.5 mg/kg Lead 21.85 mg/kg Chromium 28.5 mg/kg Zinc 31.5 mg/kg Vanadium 37.0 mg/kg Barium 68.5 mg/kg Manganese and compounds 230.0 mg/kg Aluminum 7650.0 mg/kg Iron 13000.0 mg/kg

Surface Water (Human): Risk Not Evaluated

Contaminants: Lead 0.6605 ug/L Copper and compounds 2.09 ug/L Arsenic 3.33 ug/L Nickel (Soluble Salts) 4.11 ug/L Chromium 7.74 ug/L Manganese and compounds 9.54 ug/L Cyanide (free) 17.8 ug/L Vanadium 26.1 ug/L Barium 62.6 ug/L Zinc 67.8 ug/L Aluminum 91.9 ug/L Iron 165.0 ug/L

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Site ID: LF061

LANDFILL

Landfill

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Methylene Chloride 0.109 ug/L Benzene 0.136 ug/L Antimony and compounds 0.1695 ug/L 1,2-trans-dichloroethylene 0.17 ug/L Benzene, p-dichloro- 0.18 ug/L Lead 0.18 ug/L Chloroform 0.235 ug/L 1,1-Dichloroethylene 0.29 ug/L 1,2-Dichloroethane (EDC) 0.31 ug/L Molybdenum 0.315 ug/L Cobalt 0.315 ug/L cis-1,2-Dichloroethylene 0.36 ug/L Trichloroethylene (TCE) 0.37 ug/L Benzene, methyl- 0.444 ug/L Ethyl benzene 0.61 ug/L Benzene, 1,2,4-trichloro- 0.85 ug/L 1,1-Dichloroethane 0.86 ug/L Copper and compounds 0.975 ug/L 1,2-Dichloroethene 1.1 ug/L 1,4-Diethylene Dioxide 3.1 ug/L Acetone 3.1 ug/L Arsenic 4.0 ug/L Manganese and compounds 4.8 ug/L Zinc 5.45 ug/L Aluminum 15.0 ug/L Bromobenzene 15.4 ug/L Benzene, chloro- 17.0 ug/L Chromium 18.5 ug/L Vanadium 24.5 ug/L Nickel (Soluble Salts) 33.5 ug/L Barium 60.0 ug/L Iron 200.0 ug/L

Soil: Risk Not Evaluated

Contaminants: 8,9-Benzofluoranthene 0.0027 mg/kg Indeno(1,2,3-cd)Pyrene 0.0028 mg/kg Benz(a)Anthracene 0.0040999999999999995 mg/kg Benzo(a)Pyrene 0.0048 mg/kg Chrysene 0.01 mg/kg 2,3-Benzofluoranthene 0.012 mg/kg Benzo(def)Phenanthrene 0.018000000000000002 mg/kg 1,2-Benzacenaphthene 0.02 mg/kg Selenium 0.0475 mg/kg Antimony and compounds 0.114 mg/kg Silver and compounds 0.28 mg/kg Beryllium and compounds 0.3433333333 mg/kg Cadmium and compounds 0.79 mg/kg Arsenic 2.4 mg/kg Naphthalene 2.685 mg/kg Dibutyl Phthalate 3.4 mg/kg Bis(2-Ethylhexyl)Phthalate 5.4 mg/kg Cobalt 8.4 mg/kg Lead 8.7666666667 mg/kg Copper and compounds 11.333333333 mg/kg Nickel (Soluble Salts) 16.0 mg/kg Chromium 20.333333333 mg/kg Zinc 29.0 mg/kg Vanadium 40.0 mg/kg Barium 104.33333333 mg/kg Manganese and compounds 203.33333333 mg/kg Aluminum 9200.0 mg/kg Iron 15000.0 mg/kg

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Site ID: LF074

WASTE AREA

Landfill

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Sediment (Human): Risk Not Evaluated

Contaminants: Bis(2-Ethylhexyl)Phthalate 0.389 mg/kg

Soil: Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 1.9023e-06 mg/kg Heptachlor Epoxide 0.00075 mg/kg Heptachlor 0.0009000000000000001 mg/kg DDE 0.0022 mg/kg Dieldrin 0.004 mg/kg DDD 0.0055 mg/kg DDT 0.012 mg/kg Chrysene 0.058 mg/kg 1,2-Benzacenaphthene 0.093 mg/kg Dibutyl Phthalate 0.12 mg/kg Benzo(def)Phenanthrene 0.1455 mg/kg Benzyl Alcohol 0.19 mg/kg Beryllium and compounds 0.35000000000000003 mg/kg Butyl Benzyl Phthalate 0.62 mg/kg Cadmium and compounds 0.84 mg/kg Molybdenum 0.97 mg/kg Bis(2-Ethylhexyl)Phthalate 1.278 mg/kg Selenium 3.4 mg/kg Arsenic 4.2 mg/kg Cobalt 10.8 mg/kg Nickel (Soluble Salts) 25.35 mg/kg Chromium 28.3 mg/kg Copper and compounds 28.55 mg/kg Lead 40.75 mg/kg Benzo(a)Pyrene 54.366333333 mg/kg Vanadium 57.800000000000004 mg/kg Zinc 117.25 mg/kg Barium 226.5 mg/kg Manganese and compounds 727.5 mg/kg Aluminum 14750.0 mg/kg Iron 24350.0 mg/kg

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Site ID: LF176

WILSON PARK

Landfill

Cost

Unknown

Final Cleanup Action

Feb 2000

Site ID: RW244

RADIOCHEM. LAB.

Washrack

Cost

Unknown

Final Cleanup Action

Sep 2012

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Aroclor 1254 0.057 mg/kg Silver and compounds 0.065 mg/kg Bis(2-Ethylhexyl)Phthalate 0.12 mg/kg Cadmium and compounds 0.20500000000000002 mg/kg Dibutyl Phthalate 0.22 mg/kg Beryllium and compounds 0.245 mg/kg Arsenic 2.15 mg/kg Lead 6.8500000000000005 mg/kg Cobalt 9.4 mg/kg Copper and compounds 14.0 mg/kg Nickel (Soluble Salts) 19.0 mg/kg Chromium 20.0 mg/kg Zinc 26.0 mg/kg Vanadium 49.0 mg/kg Barium 93.0 mg/kg Manganese and compounds 475.0 mg/kg Aluminum 14500.0 mg/kg Iron 16500.0 mg/kg

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Site ID: SD060

UNLINED DITCH

Storm Drain

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Sediment (Human): Risk Not Evaluated

Contaminants: Selenium 0.089 mg/kg Antimony and compounds 0.17 mg/kg Beryllium and compounds 0.21 mg/kg Silver and compounds 0.34 mg/kg Molybdenum 0.41000000000000003 mg/kg Cadmium and compounds 0.77 mg/kg Arsenic 1.7 mg/kg Cobalt 5.1000000000000005 mg/kg Lead 8.0 mg/kg Copper and compounds 20.0 mg/kg Nickel (Soluble Salts) 22.0 mg/kg Chromium 26.0 mg/kg Vanadium 36.0 mg/kg Barium 54.0 mg/kg Zinc 59.0 mg/kg Manganese and compounds 140.0 mg/kg Aluminum 5100.0 mg/kg Iron 13000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Indeno(1,2,3-cd)Pyrene 0.006 mg/kg Silver and compounds 0.10300000000000001 mg/kg Antimony and compounds 0.1545 mg/kg Molybdenum 0.2 mg/kg Beryllium and compounds 0.2545 mg/kg Cadmium and compounds 0.255 mg/kg Selenium 0.2725 mg/kg Dibutyl Phthalate 0.71 mg/kg Butyl Benzyl Phthalate 0.8 mg/kg Arsenic 2.25 mg/kg Naphthalene 2.66 mg/kg Lead 7.19 mg/kg Cobalt 7.82 mg/kg Copper and compounds 13.85 mg/kg Nickel (Soluble Salts) 15.35 mg/kg Zinc 17.6 mg/kg Chromium 26.95 mg/kg Vanadium 28.2 mg/kg Barium 104.9 mg/kg Manganese and compounds 144.0 mg/kg Aluminum 5260.0 mg/kg Iron 8785.0 mg/kg

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Site ID: SS283

AOC H-9 (TAXIWAY E STAINS)

Spill Site Area

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Methylene Chloride 0.0678 ug/L Selenium 0.097 ug/L Chloroform 0.24 ug/L Carbon Dichloride 0.25 ug/L Trichloroethylene (TCE) 0.34 ug/L Antimony and compounds 0.4 ug/L Beryllium and compounds 0.42 ug/L Chloromethane (methyl chloride) 0.42 ug/L Cadmium and compounds 0.48 ug/L Trichlorofluoromethane 0.52 ug/L Molybdenum 0.53 ug/L cis-1,2-Dichloroethylene 0.54 ug/L Silver and compounds 0.81 ug/L 1,1-Dichloroethylene 0.9 ug/L Cobalt 1.3 ug/L Benzene, 1,2,4-trichloro- 1.35 ug/L 1,4-Diethylene Dioxide 1.35 ug/L Benzene, methyl- 2.065 ug/L Lead 2.1 ug/L Acetone 2.45 ug/L Arsenic 2.5 ug/L Methyl Ethyl Ketone 2.5 ug/L Chromium 9.6 ug/L Manganese and compounds 10.0 ug/L Vanadium 22.0 ug/L Copper and compounds 25.0 ug/L Bromobenzene 28.2 ug/L Nickel (Soluble Salts) 35.0 ug/L Barium 110.0 ug/L Aluminum 240.0 ug/L Zinc 240.0 ug/L Iron 380.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Heptachlor 0.0018000000000000002 mg/kg Aldrin 0.0023 mg/kg DDT 0.024 mg/kg Beryllium and compounds 0.115 mg/kg 2-Methylnaphthalene 0.13 mg/kg Selenium 0.15 mg/kg Butyl Benzyl Phthalate 0.16 mg/kg Naphthalene 0.16 mg/kg Dibenzofuran 0.66 mg/kg 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 1.2 mg/kg Fluorene 1.4000000000000001 mg/kg Acenaphthene 1.5 mg/kg Antimony and compounds 1.55 mg/kg Dibenz[ah]anthracene 1.7 mg/kg Bis(2-Ethylhexyl)Phthalate 3.5 mg/kg Molybdenum 3.6 mg/kg Arsenic 4.25 mg/kg Anthracene 4.5 mg/kg Indeno(1,2,3-cd)Pyrene 4.7 mg/kg Benzenedicarboxylate 5.4 mg/kg Cobalt 7.75 mg/kg 8,9-Benzofluoranthene 8.0 mg/kg 2,3-Benzofluoranthene 9.63 mg/kg Benzo(def)Phenanthrene 13.135 mg/kg Benzo(a)Pyrene 15.0 mg/kg Chrysene 16.0 mg/kg Benz(a)Anthracene 16.0 mg/kg 1,2-Benzacenaphthene 18.14 mg/kg Cadmium and compounds 30.0 mg/kg Vanadium 31.5 mg/kg Barium 102.0 mg/kg Nickel (Soluble Salts) 170.0 mg/kg Copper and compounds 175.0 mg/kg Silver and compounds 220.0 mg/kg Manganese and compounds 245.0 mg/kg Chromium 250.0 mg/kg Lead 295.0 mg/kg Zinc 495.0 mg/kg Aluminum 6250.0 mg/kg Iron 52000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: 2,3-Benzofluoranthene 0.043000000000000003 mg/kg 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 0.073 mg/kg Bis(2-Ethylhexyl)Phthalate 0.15 mg/kg Benzo(def)Phenanthrene 0.22 mg/kg Beryllium and compounds 0.455 mg/kg Cadmium and compounds 0.7000000000000001 mg/kg Molybdenum 0.87 mg/kg Arsenic 2.4 mg/kg Selenium 4.3 mg/kg Cobalt 6.4 mg/kg Lead 7.3 mg/kg Copper and compounds 12.35 mg/kg Nickel (Soluble Salts) 12.4 mg/kg Chromium 18.55 mg/kg Zinc 29.1 mg/kg Vanadium 37.050000000000004 mg/kg Benzo(a)Pyrene 60.27275 mg/kg Barium 137.5 mg/kg Manganese and compounds 179.5 mg/kg Aluminum 8225.0 mg/kg Iron 13700.0 mg/kg

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Site ID: SS293

SA 039 (BUILDING 29)

Spill Site Area

Cost

Unknown

Final Cleanup Action

Feb 2000

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Chloroform 2.8 ug/L Trichloroethylene (TCE) 6.1 ug/L

Soil: Risk Not Evaluated

Contaminants: Naphthalene 2.5633333333 mg/kg

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Site ID: SD197

SPRAY BOOTH

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2008

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: 1,1,1-Trichloroethane 0.0047 mg/kg Methylene Chloride 0.018000000000000002 mg/kg Carbon Dichloride 0.033549999999999996 mg/kg Beryllium and compounds 0.45 mg/kg Naphthalene 4.0333333333 mg/kg Cobalt 11.9 mg/kg Lead 14.0 mg/kg Chromium 25.0 mg/kg Copper and compounds 27.5 mg/kg Nickel (Soluble Salts) 30.5 mg/kg Zinc 53.0 mg/kg Vanadium 66.0 mg/kg Barium 245.0 mg/kg Manganese and compounds 845.0 mg/kg Aluminum 22500.0 mg/kg Iron 29500.0 mg/kg

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Site ID: SS294

SA 050 (STORAGE BUILDING 263)

Spill Site Area

Cost

Unknown

Final Cleanup Action

Feb 2000

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.061 ug/L Silver and compounds 0.075 ug/L Cadmium and compounds 0.15 ug/L Methylene Chloride 0.165 ug/L Trichlorofluoromethane 0.23 ug/L 1,1-Dichloroethylene 0.245 ug/L cis-1,2-Dichloroethylene 0.25 ug/L Dichlorodifluoromethane 0.44 ug/L Lead 0.47 ug/L Chloromethane (methyl chloride) 0.58 ug/L Carbon Dichloride 0.64 ug/L Cobalt 0.65 ug/L Copper and compounds 0.66 ug/L Chloroform 0.76 ug/L Antimony and compounds 1.0 ug/L Carbon Tetrachloride 1.4 ug/L Molybdenum 1.4 ug/L Chlorodibromomethane 1.6 ug/L Bromodichloromethane 1.6 ug/L Selenium 1.6 ug/L Freon 113 2.0 ug/L Acetone 2.9 ug/L Arsenic 3.1 ug/L Zinc 3.5 ug/L Aluminum 6.7 ug/L Trichloroethylene (TCE) 8.7 ug/L Chromium 12.0 ug/L Manganese and compounds 18.0 ug/L Vanadium 22.0 ug/L Barium 99.0 ug/L Nickel (Soluble Salts) 110.0 ug/L Iron 280.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.43 mg/kg Beryllium and compounds 0.55 mg/kg Molybdenum 0.99 mg/kg Arsenic 7.15 mg/kg Lead 8.02 mg/kg Cobalt 11.5 mg/kg Nickel (Soluble Salts) 22.3 mg/kg Chromium 23.400000000000002 mg/kg Copper and compounds 27.6 mg/kg Zinc 55.4 mg/kg Vanadium 60.300000000000004 mg/kg Benzo(a)Pyrene 83.333333333 mg/kg Barium 254.0 mg/kg Manganese and compounds 373.0 mg/kg Aluminum 18800.0 mg/kg Iron 25500.0 mg/kg

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Site ID: SD118

HAZARDOUS MAT. STORAGE

Storm Drain

Cost

Unknown

Final Cleanup Action

Sep 2008

Site ID: SD127

HOBBY SHOP/WASHRACK

Storm Drain

Cost

Unknown

Final Cleanup Action

Sep 2012

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Bis(2-Ethylhexyl)Phthalate 0.07050000000000001 mg/kg Dibutyl Phthalate 0.17 mg/kg Beryllium and compounds 0.3175 mg/kg Cadmium and compounds 0.6 mg/kg Molybdenum 1.0766666667 mg/kg Selenium 2.85 mg/kg Arsenic 4.05 mg/kg Cobalt 7.7 mg/kg Copper and compounds 18.275000000000002 mg/kg Nickel (Soluble Salts) 20.55 mg/kg Lead 20.8 mg/kg Chromium 22.150000000000002 mg/kg Vanadium 43.625 mg/kg Zinc 45.025 mg/kg Benzo(a)Pyrene 70.02375 mg/kg Barium 155.05 mg/kg Manganese and compounds 380.25 mg/kg Aluminum 11995.0 mg/kg Iron 18050.0 mg/kg

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Site ID: SD154

OIL/WATER SEPARATOR

Storm Drain

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Benzene, chloro- 0.017 mg/kg Silver and compounds 0.026000000000000002 mg/kg Selenium 0.042 mg/kg Cadmium and compounds 0.1065 mg/kg Antimony and compounds 0.1225 mg/kg Beryllium and compounds 0.245 mg/kg Molybdenum 0.74 mg/kg Arsenic 2.0 mg/kg Naphthalene 4.6333333333 mg/kg Lead 5.0 mg/kg Cobalt 7.7 mg/kg Chromium 17.0 mg/kg Nickel (Soluble Salts) 18.0 mg/kg Copper and compounds 20.0 mg/kg Vanadium 41.0 mg/kg Zinc 41.5 mg/kg Barium 135.0 mg/kg Manganese and compounds 400.0 mg/kg Aluminum 11400.0 mg/kg Iron 17500.0 mg/kg

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Site ID: SD181

WASHRACK

Storm Drain

Cost

Unknown

Final Cleanup Action

Sep 2008

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Ethyl benzene 0.0523 ug/L 1,1,2-Trichloroethane 0.05665 ug/L Methylene Chloride 0.057 ug/L Lead 0.0585 ug/L Benzene, methyl- 0.0748 ug/L 1,1,1-Trichloroethane 0.08345 ug/L Dichloropropane 0.138 ug/L Freon 113 0.154 ug/L Trichlorofluoromethane 0.23 ug/L 1,2-trans-dichloroethylene 0.24 ug/L 1,2-Dichloroethane (EDC) 0.25 ug/L Antimony and compounds 0.26 ug/L 1,1-Dichloroethylene 0.3 ug/L Molybdenum 0.38 ug/L Copper and compounds 0.71 ug/L Cobalt 0.9 ug/L Chloroform 1.1 ug/L Carbon Dichloride 1.6 ug/L 1,1-Dichloroethane 1.9 ug/L Beryllium and compounds 2.0 ug/L Selenium 2.0 ug/L Cadmium and compounds 2.3 ug/L Arsenic 3.7 ug/L 1,4-Diethylene Dioxide 3.8 ug/L Trichloroethylene (TCE) 5.6 ug/L Zinc 5.85 ug/L cis-1,2-Dichloroethylene 6.7 ug/L Chromium 14.0 ug/L 1,2-Dichloroethene 16.5 ug/L Benzene, chloro- 18.0 ug/L Manganese and compounds 18.5 ug/L Vanadium 20.0 ug/L Acetone 22.0 ug/L Bromobenzene 30.3 ug/L Aluminum 47.0 ug/L Barium 145.0 ug/L Nickel (Soluble Salts) 170.0 ug/L Iron 275.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Benzo(a)Pyrene 0.0012 mg/kg 2,3-Benzofluoranthene 0.0013000000000000002 mg/kg 8,9-Benzofluoranthene 0.0017 mg/kg Heptachlor Epoxide 0.0022 mg/kg Carbon Dichloride 0.0024 mg/kg Benz(a)Anthracene 0.0031000000000000003 mg/kg Dibenz[ah]anthracene 0.0054 mg/kg DDE 0.006500000000000001 mg/kg Dieldrin 0.017 mg/kg Fluorene 0.022 mg/kg Naphthalene 0.03 mg/kg DDT 0.032 mg/kg 1,2-Benzacenaphthene 0.037 mg/kg Methoxychlor 0.041 mg/kg Chrysene 0.053 mg/kg Indeno(1,2,3-cd)Pyrene 0.07 mg/kg Acetone 0.09 mg/kg Anthracene 0.094 mg/kg Benzo(def)Phenanthrene 0.11 mg/kg 2-Methylnaphthalene 0.17 mg/kg Beryllium and compounds 0.33 mg/kg Selenium 0.49 mg/kg Molybdenum 1.1 mg/kg Aroclor 1254 1.8 mg/kg Arsenic 4.6000000000000005 mg/kg Antimony and compounds 8.9 mg/kg Cobalt 9.200000000000001 mg/kg Bis(2-Ethylhexyl)Phthalate 9.4 mg/kg Nickel (Soluble Salts) 36.0 mg/kg Vanadium 50.0 mg/kg Silver and compounds 53.0 mg/kg Copper and compounds 110.0 mg/kg Barium 240.0 mg/kg Manganese and compounds 360.0 mg/kg Cadmium and compounds 370.0 mg/kg Zinc 640.0 mg/kg Chromium 1100.0 mg/kg Lead 1500.0 mg/kg Aluminum 10000.0 mg/kg Iron 17000.0 mg/kg

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Site ID: SD273

AOC H-12 (BUILDING 929)

Storm Drain

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Mar 2012

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Methylene Chloride 0.0509 ug/L Carbon Dichloride 0.27 ug/L Chloromethane (methyl chloride) 0.283 ug/L Antimony and compounds 0.35 ug/L Trichloroethylene (TCE) 0.39 ug/L Carbon Tetrachloride 0.44 ug/L Lead 0.49 ug/L Copper and compounds 0.63 ug/L Selenium 0.65 ug/L Cobalt 0.8 ug/L Bromodichloromethane 0.82 ug/L Molybdenum 2.0 ug/L Arsenic 5.45 ug/L Aluminum 5.7 ug/L Chloroform 7.4 ug/L Barium 8.35 ug/L Manganese and compounds 8.85 ug/L Chromium 8.95 ug/L Acetone 9.8 ug/L Zinc 10.3 ug/L Vanadium 16.5 ug/L Iron 130.0 ug/L Nickel (Soluble Salts) 185.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Benz(a)Anthracene 0.035 mg/kg Chrysene 0.055 mg/kg 2,3-Benzofluoranthene 0.062 mg/kg Benzo(def)Phenanthrene 0.093 mg/kg 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 0.12 mg/kg Benzenedicarboxylate 0.13 mg/kg Beryllium and compounds 0.25 mg/kg Butyl Benzyl Phthalate 1.3900000000000001 mg/kg Molybdenum 2.1 mg/kg Cobalt 7.5 mg/kg Bis(2-Ethylhexyl)Phthalate 13.4 mg/kg Nickel (Soluble Salts) 26.8 mg/kg Benzo(a)Pyrene 32.525 mg/kg Copper and compounds 57.1 mg/kg Vanadium 59.7 mg/kg Chromium 61.2 mg/kg Lead 157.0 mg/kg Manganese and compounds 160.0 mg/kg Barium 165.0 mg/kg Zinc 641.0 mg/kg Aluminum 10800.0 mg/kg Iron 15000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Chrysene 0.021 mg/kg N-Nitrosodiphenylamine 0.021 mg/kg Anthracene 0.039 mg/kg Benz(a)Anthracene 0.04 mg/kg 2,3-Benzofluoranthene 0.042 mg/kg Benzo(def)Phenanthrene 0.047 mg/kg 8,9-Benzofluoranthene 0.047 mg/kg Benzenedicarboxylate 0.055 mg/kg Dibutyl Phthalate 0.065 mg/kg Bis(2-Ethylhexyl)Phthalate 0.121 mg/kg Diethyl Phthalate 0.393 mg/kg Indeno(1,2,3-cd)Pyrene 0.41000000000000003 mg/kg 1,2-Benzacenaphthene 0.47000000000000003 mg/kg Dibenz[ah]anthracene 0.51 mg/kg Beryllium and compounds 0.5575 mg/kg Cadmium and compounds 1.1400000000000001 mg/kg Molybdenum 1.22 mg/kg Selenium 5.6000000000000005 mg/kg Arsenic 5.8666666667000005 mg/kg Lead 9.066666666700002 mg/kg Cobalt 21.400000000000002 mg/kg Copper and compounds 24.966666667000002 mg/kg Nickel (Soluble Salts) 25.866666667 mg/kg Chromium 26.033333332999998 mg/kg Zinc 42.066666667 mg/kg Vanadium 70.666666667 mg/kg Benzo(a)Pyrene 77.333333333 mg/kg Barium 661.0 mg/kg Manganese and compounds 2824.0 mg/kg Aluminum 19203.333333000002 mg/kg Iron 22866.666667 mg/kg

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Site ID: SS298

SA 104 (BUILDING 637)

Spill Site Area

Cost

Unknown

Final Cleanup Action

Sep 2012

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,2,3-Trichloropropane 0.0716 ug/L Benzene 0.0938 ug/L Benzene, methyl- 0.1 ug/L Cobalt 0.148 ug/L cis-1,2-Dichloroethylene 0.161 ug/L Antimony and compounds 0.17 ug/L Methylene Bromide 0.185 ug/L Chloromethane (methyl chloride) 0.2 ug/L Cadmium and compounds 0.21 ug/L Methylene Chloride 0.21 ug/L Lead 0.23 ug/L Carbon Dichloride 0.259 ug/L Molybdenum 0.26 ug/L Selenium 0.38 ug/L Trichloroethylene (TCE) 0.38 ug/L Chloroform 0.39 ug/L Manganese and compounds 0.42 ug/L Copper and compounds 0.58 ug/L Nickel (Soluble Salts) 0.91 ug/L Freon 113 1.3 ug/L Acetone 2.0 ug/L Aluminum 2.5 ug/L Arsenic 5.0 ug/L Zinc 5.5 ug/L Chromium 25.0 ug/L Vanadium 25.0 ug/L Iron 51.0 ug/L Barium 67.0 ug/L

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Site ID: SD264

AOC F-6 (ROBLA CREEK)

Storm Drain

Cost

Unknown

Final Cleanup Action

Mar 2013

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Lead 0.075 ug/L Cobalt 0.17 ug/L Beryllium and compounds 0.2 ug/L Methylene Chloride 0.245 ug/L Copper and compounds 0.98 ug/L Trichloroethylene (TCE) 1.34 ug/L Selenium 1.4 ug/L 1,2-Dichloroethane (EDC) 1.79 ug/L Manganese and compounds 2.4 ug/L Molybdenum 2.4 ug/L Acetone 2.65 ug/L Zinc 3.6 ug/L Carbon Dichloride 3.8 ug/L Antimony and compounds 4.0 ug/L Arsenic 6.9 ug/L Chromium 14.0 ug/L Nickel (Soluble Salts) 27.0 ug/L Vanadium 34.0 ug/L Barium 48.0 ug/L Aluminum 58.0 ug/L Iron 85.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: DDE 0.0023 mg/kg Bis(2-Ethylhexyl)Phthalate 0.232 mg/kg

Soil: Risk Not Evaluated

Contaminants: Dieldrin 0.0009000000000000001 mg/kg DDD 0.0015 mg/kg DDT 0.0053 mg/kg DDE 0.0117 mg/kg Dibutyl Phthalate 0.07200000000000001 mg/kg Butyl Benzyl Phthalate 0.16 mg/kg Bis(2-Ethylhexyl)Phthalate 0.384 mg/kg Beryllium and compounds 0.402 mg/kg Diethyl Phthalate 0.52 mg/kg Molybdenum 0.81 mg/kg Cadmium and compounds 0.927 mg/kg Arsenic 2.5100000000000002 mg/kg Selenium 2.6 mg/kg Cobalt 9.01 mg/kg Nickel (Soluble Salts) 16.2 mg/kg Copper and compounds 20.1 mg/kg Chromium 21.8 mg/kg Vanadium 38.2 mg/kg Lead 70.4 mg/kg Benzo(a)Pyrene 89.0 mg/kg Zinc 115.0 mg/kg Barium 153.0 mg/kg Manganese and compounds 477.0 mg/kg Aluminum 11200.0 mg/kg Iron 15000.0 mg/kg

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Site ID: SP284

BUILDING 600 (FORMER MOTOR POOL)

Plating Shop

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,2-Dichloroethane (EDC) 0.0434 ug/L Lead 0.053 ug/L cis-1,2-Dichloroethylene 0.0551 ug/L 1,1-Dichloroethane 0.0581 ug/L Benzene, methyl- 0.0642 ug/L Antimony and compounds 0.078 ug/L Trichlorofluoromethane 0.0976 ug/L 1,1,1-Trichloroethane 0.102 ug/L Methylene Chloride 0.117 ug/L Vinyl Chloride 0.12 ug/L Chloromethane (methyl chloride) 0.181 ug/L Methylene Bromide 0.189 ug/L 1,1-Dichloroethylene 0.24 ug/L Bromodichloromethane 0.26 ug/L Cadmium and compounds 0.28 ug/L Carbon Tetrachloride 0.29 ug/L Molybdenum 0.33 ug/L Beryllium and compounds 0.6 ug/L Copper and compounds 0.66 ug/L Benzene, chloro- 1.06 ug/L Carbon Dichloride 1.1 ug/L Cobalt 1.7 ug/L Chloroform 2.4 ug/L Arsenic 3.4 ug/L Selenium 3.7 ug/L Trichloroethylene (TCE) 4.1 ug/L Zinc 6.0 ug/L o-Chlorotoluene 8.2 ug/L Manganese and compounds 11.0 ug/L Chromium 15.0 ug/L Acetone 17.0 ug/L Aluminum 23.0 ug/L Vanadium 23.0 ug/L Freon 113 41.0 ug/L Barium 42.0 ug/L Nickel (Soluble Salts) 150.0 ug/L Iron 190.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.405 mg/kg Cadmium and compounds 0.43 mg/kg Lead 6.175 mg/kg Arsenic 9.75 mg/kg Cobalt 11.15 mg/kg Selenium 11.85 mg/kg Chromium 29.5 mg/kg Copper and compounds 29.5 mg/kg Nickel (Soluble Salts) 30.5 mg/kg Zinc 58.0 mg/kg Vanadium 72.0 mg/kg Manganese and compounds 460.0 mg/kg Barium 860.0 mg/kg Aluminum 21000.0 mg/kg Iron 31500.0 mg/kg

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Site ID: SR401

SKEET RANGE

Small Arms Range

Cost

$2,000

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Mar 2012

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,2,3-Trichloropropane 0.0715 ug/L Antimony and compounds 0.097 ug/L 1,3-Dichlorobenzene 0.103 ug/L Ethyl benzene 0.13 ug/L Chloromethane (methyl chloride) 0.131 ug/L Benzene, p-dichloro- 0.141 ug/L Carbon Tetrachloride 0.152 ug/L Lead 0.18 ug/L Benzene, chloro- 0.19 ug/L o-Xylene 0.19 ug/L 1,2,4-Trimethylbenzene 0.19 ug/L 1,2-trans-dichloroethylene 0.2 ug/L 1,2-Dichlorobenzene 0.2 ug/L 1,1,1-Trichloroethane 0.21 ug/L Benzene 0.22 ug/L Trichlorofluoromethane 0.24 ug/L Dichlorodifluoromethane 0.24 ug/L Naphthalene 0.25 ug/L Chloroform 0.26 ug/L Benzene, methyl- 0.31 ug/L Methylene Chloride 0.31 ug/L Copper and compounds 0.34 ug/L Selenium 0.38 ug/L Dichloropropane 0.417 ug/L Chloroethane 0.5 ug/L Cobalt 0.55 ug/L Cadmium and compounds 0.63 ug/L 1,1,2,2-Tetrachloroethane 0.634 ug/L Nickel (Soluble Salts) 0.64 ug/L Bromoform 0.658 ug/L 1,1,2-Trichloroethane 0.82 ug/L Bromomethane 0.885 ug/L Molybdenum 1.2 ug/L Freon 113 1.2 ug/L Beryllium and compounds 1.5 ug/L 1,2-Dichloroethane (EDC) 1.6 ug/L Dibutyl Phthalate 2.0 ug/L cis-1,2-Dichloroethylene 2.4 ug/L Carbon Dichloride 2.5 ug/L Arsenic 2.9 ug/L Benzo(def)Phenanthrene 3.0 ug/L Chromium 3.4 ug/L Bis(2-Ethylhexyl)Phthalate 3.5 ug/L Benzene, 1,2,4-trichloro- 3.59 ug/L Vinyl Chloride 4.0 ug/L 1,1-Dichloroethane 4.4 ug/L Methyl Ethyl Ketone 5.3 ug/L Silver and compounds 7.0 ug/L Zinc 7.3 ug/L Acetone 11.0 ug/L Trichloroethylene (TCE) 12.0 ug/L Manganese and compounds 13.0 ug/L Aluminum 14.0 ug/L Methylene Bromide 20.1 ug/L Bromobenzene 20.9 ug/L Vanadium 21.0 ug/L 1,4-Diethylene Dioxide 23.0 ug/L 1,1-Dichloroethylene 42.0 ug/L Barium 45.0 ug/L Iron 170.0 ug/L 1,2-Dichloroethene 270.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Dieldrin 0.0012 mg/kg Freon 113 0.0046 mg/kg Acetone 0.0066 mg/kg HCH (alpha) 0.012 mg/kg Butyl Benzyl Phthalate 0.19 mg/kg Dibenzofuran 0.26 mg/kg Indeno(1,2,3-cd)Pyrene 0.3 mg/kg Anthracene 0.38 mg/kg 8,9-Benzofluoranthene 0.52 mg/kg Dibutyl Phthalate 0.54 mg/kg Beryllium and compounds 0.55 mg/kg Benzo(a)Pyrene 0.66 mg/kg Benz(a)Anthracene 0.79 mg/kg Chrysene 0.9400000000000001 mg/kg 2,3-Benzofluoranthene 1.4000000000000001 mg/kg 1,2-Benzacenaphthene 1.7 mg/kg Benzo(def)Phenanthrene 1.8 mg/kg Benzenedicarboxylate 2.0 mg/kg Selenium 2.0 mg/kg Antimony and compounds 2.6 mg/kg DDT 3.9 mg/kg Cadmium and compounds 11.0 mg/kg Cobalt 13.0 mg/kg Arsenic 14.0 mg/kg Aroclor 1254 29.0 mg/kg Molybdenum 37.0 mg/kg Bis(2-Ethylhexyl)Phthalate 60.0 mg/kg Vanadium 81.0 mg/kg Nickel (Soluble Salts) 98.0 mg/kg Lead 310.0 mg/kg Silver and compounds 470.0 mg/kg Chromium 470.0 mg/kg Barium 480.0 mg/kg Manganese and compounds 1000.0 mg/kg Copper and compounds 1600.0 mg/kg Zinc 2800.0 mg/kg Aluminum 13000.0 mg/kg Iron 49000.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: 2-Methylnaphthalene 0.0013000000000000002 mg/kg Naphthalene 0.029 mg/kg Benzo(a)Pyrene 0.042 mg/kg Fluorene 0.049 mg/kg Bis(2-Ethylhexyl)Phthalate 0.0823333333 mg/kg Methylene Chloride 0.10533333330000001 mg/kg Cyanide (free) 0.123 mg/kg Dibutyl Phthalate 0.15 mg/kg Benzene 0.16 mg/kg Carbon Disulfide 0.16 mg/kg 1,1,2,2-Tetrachloroethane 0.16 mg/kg Selenium 0.18 mg/kg Silver and compounds 0.18433333329999999 mg/kg Trichloroethylene (TCE) 0.19 mg/kg Acenaphthene 0.26 mg/kg Beryllium and compounds 0.2715 mg/kg Anthracene 0.28 mg/kg Benzene, chloro- 0.3 mg/kg Carbon Dichloride 0.3 mg/kg Cadmium and compounds 0.32 mg/kg Molybdenum 0.353 mg/kg 1,2-trans-dichloroethylene 0.38 mg/kg Benzene, methyl- 0.47000000000000003 mg/kg Dibenz[ah]anthracene 0.52 mg/kg 1,1,1-Trichloroethane 0.63 mg/kg Vinyl Chloride 0.74 mg/kg Ethyl benzene 0.8 mg/kg 8,9-Benzofluoranthene 0.97 mg/kg 1,3-Dichlorobenzene 1.2 mg/kg 2-Hexanone 1.3 mg/kg Indeno(1,2,3-cd)Pyrene 1.7 mg/kg Benzene, p-dichloro- 2.0 mg/kg Benz(a)Anthracene 2.0 mg/kg Antimony and compounds 2.1 mg/kg 1,2-Benzacenaphthene 2.3000000000000003 mg/kg Chrysene 2.4 mg/kg Arsenic 2.65 mg/kg Benzo(def)Phenanthrene 2.9 mg/kg 2,3-Benzofluoranthene 3.1 mg/kg 1,1-Dichloroethylene 4.5 mg/kg Benzene, 1,2,4-trichloro- 4.9 mg/kg 1,2-Dichlorobenzene 5.5 mg/kg 1,1-Dichloroethane 5.7 mg/kg 4-Cresol 7.5 mg/kg Cobalt 7.985 mg/kg Methyl Ethyl Ketone 10.44 mg/kg Hexanone 14.0 mg/kg 2,4-Dimethylphenol 15.0 mg/kg Copper and compounds 20.0 mg/kg Nickel (Soluble Salts) 28.733333333 mg/kg Chromium 32.366666667000004 mg/kg Acetone 33.0 mg/kg Zinc 37.0 mg/kg Vanadium 42.433333333 mg/kg Lead 65.0 mg/kg Barium 131.4 mg/kg Manganese and compounds 336.33333333 mg/kg Aluminum 10403.333333 mg/kg Iron 11000.0 mg/kg

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Site ID: SS029

LANDFILL

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Aug 2011

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene 0.0756 ug/L Antimony and compounds 0.088 ug/L Carbon Dichloride 0.0933 ug/L Lead 0.098 ug/L 1,2-Dichloroethane (EDC) 0.166 ug/L Chloroform 0.21 ug/L Trichloroethylene (TCE) 0.21 ug/L 1,1-Dichloroethane 0.27 ug/L 1,2-trans-dichloroethylene 0.29 ug/L Cobalt 0.3 ug/L 1,1-Dichloroethylene 0.39 ug/L Molybdenum 0.6 ug/L Copper and compounds 0.74 ug/L n-Butylbenzene 0.795 ug/L Methylene Chloride 0.9 ug/L cis-1,2-Dichloroethylene 1.6 ug/L Nickel (Soluble Salts) 2.2 ug/L Benzene, 1,2,4-trichloro- 2.49 ug/L Hexachlorobutadiene 3.07 ug/L Arsenic 3.8 ug/L 1,2-Dichloroethene 4.6 ug/L Naphthalene 4.78 ug/L Chromium 9.1 ug/L Acetone 9.3 ug/L Manganese and compounds 9.3 ug/L Zinc 18.0 ug/L Bromobenzene 21.0 ug/L Vanadium 26.0 ug/L Aluminum 30.0 ug/L Barium 78.0 ug/L Iron 180.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Aroclor 1254 0.047 mg/kg Bis(2-Ethylhexyl)Phthalate 0.58 mg/kg Beryllium and compounds 0.7913333333000001 mg/kg Molybdenum 1.0306666667 mg/kg Arsenic 1.8733333333000002 mg/kg Cyanide (free) 2.1 mg/kg Antimony and compounds 2.25 mg/kg Lead 8.586666666700001 mg/kg Selenium 9.8 mg/kg Cobalt 10.11 mg/kg Copper and compounds 14.700000000000001 mg/kg Silver and compounds 20.0 mg/kg Nickel (Soluble Salts) 22.400000000000002 mg/kg Zinc 29.400000000000002 mg/kg Chromium 32.166666667 mg/kg Biphenyl, polychloro- 46.0 mg/kg Cadmium and compounds 47.0 mg/kg Vanadium 52.466666667 mg/kg Barium 161.46666667000002 mg/kg Manganese and compounds 425.0 mg/kg Aluminum 15860.0 mg/kg Iron 17666.666667 mg/kg

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Site ID: SS036

OPEN STORAGE AREA

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2012

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Lead 0.098 ug/L Bromobenzene 0.117 ug/L Chloroform 0.12 ug/L Freon 113 0.122 ug/L Benzene, methyl- 0.131 ug/L Methylene Chloride 0.163 ug/L Beryllium and compounds 0.2 ug/L cis-1,2-Dichloroethylene 0.215 ug/L 1,2-trans-dichloroethylene 0.249 ug/L Ethyl benzene 0.26 ug/L Manganese and compounds 0.27 ug/L Molybdenum 0.27 ug/L Benzene, chloro- 0.316 ug/L Carbon Tetrachloride 0.32 ug/L 1,2-Dichloroethane (EDC) 0.371 ug/L Trichlorofluoromethane 0.492 ug/L Carbon Dichloride 0.566 ug/L Copper and compounds 0.75 ug/L Cobalt 0.8 ug/L Selenium 1.4 ug/L Trichloroethylene (TCE) 1.8 ug/L Aluminum 2.7 ug/L Antimony and compounds 4.1 ug/L Arsenic 4.9 ug/L Nickel (Soluble Salts) 7.1 ug/L Zinc 7.4 ug/L Acetone 8.38 ug/L Chromium 13.0 ug/L Silver and compounds 14.0 ug/L Vanadium 26.0 ug/L Barium 31.0 ug/L Iron 36.0 ug/L 1,2-Dichlorobenzene 78.0 ug/L Naphthalene 113.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Methylene Chloride 0.0022666667 mg/kg Benzene 0.0045000000000000005 mg/kg Acetone 0.0067 mg/kg Trichloroethylene (TCE) 0.021750000000000002 mg/kg Carbon Dichloride 0.02565 mg/kg o-Xylene 0.033 mg/kg Bis(2-Ethylhexyl)Phthalate 0.092 mg/kg 1,2-Dichlorobenzene 0.09825 mg/kg Selenium 0.185 mg/kg cis-1,2-Dichloroethylene 0.2518 mg/kg Aroclor 1254 0.267 mg/kg Benzoic Acid 0.35000000000000003 mg/kg Cyanide (free) 0.43 mg/kg Molybdenum 0.5700000000000001 mg/kg Beryllium and compounds 0.64 mg/kg Cadmium and compounds 0.98 mg/kg Naphthalene 2.35 mg/kg Arsenic 4.2 mg/kg Silver and compounds 5.8 mg/kg Cobalt 14.0 mg/kg Antimony and compounds 15.0 mg/kg Lead 17.0 mg/kg Copper and compounds 28.0 mg/kg Vanadium 41.0 mg/kg Chromium 42.0 mg/kg Nickel (Soluble Salts) 43.0 mg/kg Zinc 68.0 mg/kg Barium 98.0 mg/kg Manganese and compounds 330.0 mg/kg Aluminum 11000.0 mg/kg Iron 16000.0 mg/kg

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Site ID: SS032

RAD./HAZARDOUS WASTES

Spill Site Area

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, chloro- 0.0709 ug/L 1,3-Dichlorobenzene 0.132 ug/L 1,2-Dichloroethane (EDC) 0.17 ug/L 1,1,2-Trichloroethane 0.175 ug/L Chloroform 0.23 ug/L 1,1-Dichloroethylene 0.24 ug/L 1,2-trans-dichloroethylene 0.26 ug/L Antimony and compounds 0.29 ug/L Copper and compounds 0.34 ug/L Lead 0.38 ug/L Benzene, methyl- 0.412 ug/L 1,1-Dichloroethane 0.46 ug/L Freon 113 0.58 ug/L Methylene Chloride 0.862 ug/L Manganese and compounds 0.87 ug/L Cobalt 0.99 ug/L Nickel (Soluble Salts) 1.8 ug/L cis-1,2-Dichloroethylene 2.1 ug/L Carbon Dichloride 2.72 ug/L Acetone 2.8 ug/L 1,4-Diethylene Dioxide 3.4 ug/L Arsenic 4.2 ug/L Lithium 6.1 ug/L 1,2-Dichloroethene 9.75 ug/L Chromium 11.0 ug/L Trichloroethylene (TCE) 23.0 ug/L Bromobenzene 25.1 ug/L Aluminum 26.0 ug/L Zinc 26.0 ug/L Vanadium 27.0 ug/L Boron 32.35 ug/L Barium 88.0 ug/L Iron 110.0 ug/L Strontium (Stable) 260.5 ug/L

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.24 mg/kg Dibutyl Phthalate 1.2 mg/kg Naphthalene 2.0100000000000002 mg/kg Cadmium and compounds 2.1 mg/kg Cobalt 7.7 mg/kg Nickel (Soluble Salts) 13.0 mg/kg Copper and compounds 14.0 mg/kg Lead 19.0 mg/kg Chromium 24.0 mg/kg Vanadium 31.0 mg/kg Zinc 35.0 mg/kg Barium 100.0 mg/kg Manganese and compounds 210.0 mg/kg Aluminum 5500.0 mg/kg Iron 11000.0 mg/kg

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Site ID: SS052

STORAGE AREA

Spill Site Area

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.275 mg/kg Dibutyl Phthalate 2.1 mg/kg Naphthalene 2.415 mg/kg Cobalt 7.3 mg/kg Lead 8.05 mg/kg Nickel (Soluble Salts) 17.0 mg/kg Chromium 23.0 mg/kg Vanadium 53.0 mg/kg Zinc 72.5 mg/kg Copper and compounds 91.5 mg/kg Barium 97.0 mg/kg Manganese and compounds 140.5 mg/kg Aluminum 13500.0 mg/kg Iron 21500.0 mg/kg

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Site ID: SD301

SSA 003 (MAGPIE AND DON JULIO CREEK OFFBASE)

Storm Drain

Cost

$306K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2015

This site is under ongoing monitoring until Jan 2018

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Ethyl benzene 0.0426 ug/L Carbon Tetrachloride 0.0428 ug/L 1,2-Dichloroethane (EDC) 0.0458 ug/L Methylene Chloride 0.0702 ug/L Silver and compounds 0.075 ug/L Beryllium and compounds 0.09 ug/L 1,1-Dichloroethylene 0.109 ug/L Chloroethane 0.111 ug/L Benzene, methyl- 0.114 ug/L Trichlorofluoromethane 0.117 ug/L Chloroform 0.126 ug/L cis-1,2-Dichloroethylene 0.136 ug/L Cadmium and compounds 0.19 ug/L 1,2-Dichlorobenzene 0.215 ug/L Carbon Dichloride 0.255 ug/L 1,2-Dichloroethene 0.28 ug/L Antimony and compounds 0.28 ug/L Trichloroethylene (TCE) 0.33 ug/L Chloromethane (methyl chloride) 0.457 ug/L Copper and compounds 0.48 ug/L Selenium 0.49 ug/L Lead 0.51 ug/L Cobalt 0.7 ug/L Hexachlorobutadiene 0.738 ug/L 1,1-Dichloroethane 0.98 ug/L Molybdenum 1.32 ug/L 1,4-Diethylene Dioxide 2.1 ug/L Vinyl 2-Chloroethyl Ether 2.42 ug/L Arsenic 3.8 ug/L Manganese and compounds 6.39 ug/L Aluminum 7.4 ug/L Chromium 12.0 ug/L Acetone 17.4 ug/L Zinc 20.5 ug/L Bromobenzene 24.7 ug/L Vanadium 33.0 ug/L Barium 72.5 ug/L Iron 74.5 ug/L Nickel (Soluble Salts) 76.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: Dibenzo(b,e)(1,4)dioxin,2,3,7,8-tetrachloro- 1.41e-06 mg/kg 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 8.200000000000001e-06 mg/kg HCH (alpha) 0.0027 mg/kg Heptachlor 0.00294 mg/kg DDT 0.0088 mg/kg Methoxychlor 0.009949999999999999 mg/kg DDD 0.01 mg/kg Heptachlor Epoxide 0.0155 mg/kg Dieldrin 0.0195 mg/kg DDE 0.17500000000000002 mg/kg Antimony and compounds 0.455 mg/kg Molybdenum 0.6930000000000001 mg/kg Cadmium and compounds 4.365 mg/kg Silver and compounds 5.46 mg/kg Arsenic 8.005 mg/kg Cobalt 13.700000000000001 mg/kg Nickel (Soluble Salts) 39.9 mg/kg Copper and compounds 41.800000000000004 mg/kg Vanadium 76.9 mg/kg Chromium 84.8 mg/kg Barium 192.0 mg/kg Lead 244.0 mg/kg Zinc 263.0 mg/kg Manganese and compounds 446.0 mg/kg Iron 28800.0 mg/kg Aluminum 32500.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 3.7767e-06 mg/kg Trichloroethylene (TCE) 0.0020499999999999997 mg/kg Heptachlor 0.0030499999999999998 mg/kg HCH (alpha) 0.005200000000000001 mg/kg DDT 0.008400000000000001 mg/kg DDD 0.015933333299999998 mg/kg Benzene, methyl- 0.14 mg/kg Beryllium and compounds 0.335 mg/kg Butyl Benzyl Phthalate 0.42 mg/kg Bis(2-Ethylhexyl)Phthalate 0.46 mg/kg Molybdenum 0.78 mg/kg Cadmium and compounds 0.894 mg/kg Naphthalene 2.985 mg/kg Arsenic 4.0 mg/kg Selenium 7.9 mg/kg Silver and compounds 9.3 mg/kg Cobalt 9.450000000000001 mg/kg Copper and compounds 21.5 mg/kg Nickel (Soluble Salts) 29.55 mg/kg Vanadium 45.0 mg/kg Chromium 74.5 mg/kg Lead 81.5 mg/kg Barium 97.0 mg/kg Zinc 130.0 mg/kg Manganese and compounds 410.0 mg/kg Aluminum 13750.0 mg/kg Iron 16000.0 mg/kg

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Site ID: SD316

DRAINAGE DITCH (AND SEASONAL CREEK)

Storm Drain

Cost

$7,000

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2015

This site is under ongoing monitoring until Sep 2018

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Cobalt 0.052 ug/L Silver and compounds 0.11 ug/L Cadmium and compounds 0.11 ug/L Methylene Chloride 0.12 ug/L Manganese and compounds 0.15 ug/L 1,2-trans-dichloroethylene 0.2 ug/L Chloroform 0.24 ug/L Antimony and compounds 0.24 ug/L 1,2-Dichloroethane (EDC) 0.247 ug/L 1,1-Dichloroethylene 0.25 ug/L Benzene 0.26 ug/L Molybdenum 0.26 ug/L Lead 0.28 ug/L 1,1-Dichloroethane 0.36 ug/L Dichlorodifluoromethane 0.37 ug/L Nickel (Soluble Salts) 0.38 ug/L Chloromethane (methyl chloride) 0.44 ug/L Carbon Dichloride 0.45 ug/L Copper and compounds 0.55 ug/L Beryllium and compounds 1.0 ug/L 1,1,1-Trichloroethane 1.14 ug/L Selenium 1.2 ug/L cis-1,2-Dichloroethylene 2.6 ug/L 1,4-Diethylene Dioxide 2.9 ug/L Aluminum 3.0 ug/L Zinc 3.2 ug/L Trichloroethylene (TCE) 3.2 ug/L Arsenic 3.4 ug/L Methyl Ethyl Ketone 6.9 ug/L Bis(2-Ethylhexyl)Phthalate 8.8 ug/L Acetone 13.0 ug/L Chromium 16.0 ug/L Vanadium 27.0 ug/L Bromobenzene 27.5 ug/L Iron 84.0 ug/L Barium 140.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 9.610000000000001e-06 mg/kg Heptachlor 0.000322 mg/kg HCH (gamma) Lindane 0.000903 mg/kg Aldrin 0.00309 mg/kg Dieldrin 0.0031000000000000003 mg/kg DDD 0.0036000000000000003 mg/kg Benz(a)Anthracene 0.0038 mg/kg DDE 0.00615 mg/kg DDT 0.006900000000000001 mg/kg 8,9-Benzofluoranthene 0.0086 mg/kg Indeno(1,2,3-cd)Pyrene 0.009300000000000001 mg/kg Benzo(a)Pyrene 0.011 mg/kg Chrysene 0.014 mg/kg 1,2-Benzacenaphthene 0.022 mg/kg Endrin 0.026000000000000002 mg/kg Benzo(def)Phenanthrene 0.028 mg/kg 2,3-Benzofluoranthene 0.12 mg/kg Antimony and compounds 0.189 mg/kg Beryllium and compounds 0.292 mg/kg Molybdenum 0.5720000000000001 mg/kg Silver and compounds 0.64 mg/kg Cadmium and compounds 1.44 mg/kg Bis(2-Ethylhexyl)Phthalate 1.8 mg/kg Naphthalene 2.93 mg/kg Arsenic 3.24 mg/kg Cobalt 9.71 mg/kg Nickel (Soluble Salts) 25.900000000000002 mg/kg Chromium 32.4 mg/kg Vanadium 40.2 mg/kg Copper and compounds 43.0 mg/kg Lead 56.1 mg/kg Barium 120.0 mg/kg Manganese and compounds 170.0 mg/kg Zinc 369.0 mg/kg Aluminum 13900.0 mg/kg Iron 16400.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 1.1526700000000001e-05 mg/kg Fluorene 0.000101 mg/kg 2,3-Benzofluoranthene 0.00012 mg/kg Heptachlor 0.000565 mg/kg HCH (beta) 0.00109 mg/kg Naphthalene 0.0012 mg/kg HCH (alpha) 0.0013174999999999999 mg/kg Aldrin 0.00136 mg/kg HCH (gamma) Lindane 0.00222 mg/kg Dieldrin 0.003 mg/kg Endrin 0.00318 mg/kg Heptachlor Epoxide 0.00365 mg/kg DDT 0.0070999999999999995 mg/kg DDD 0.0081 mg/kg DDE 0.0155 mg/kg Methoxychlor 0.0344 mg/kg Benz(a)Anthracene 0.0403333333 mg/kg Indeno(1,2,3-cd)Pyrene 0.0506666667 mg/kg 8,9-Benzofluoranthene 0.059000000000000004 mg/kg Selenium 0.061 mg/kg Aroclor 1254 0.07200000000000001 mg/kg Chrysene 0.0973333333 mg/kg Benzo(a)Pyrene 0.115 mg/kg Benzo(def)Phenanthrene 0.13 mg/kg 1,2-Benzacenaphthene 0.13 mg/kg Dibutyl Phthalate 0.18 mg/kg Bis(2-Ethylhexyl)Phthalate 0.22 mg/kg Dibenz[ah]anthracene 0.22 mg/kg Beryllium and compounds 0.38 mg/kg Molybdenum 0.79 mg/kg Silver and compounds 1.2790000000000001 mg/kg Cadmium and compounds 2.35 mg/kg Antimony and compounds 2.4166666667 mg/kg Arsenic 2.5 mg/kg Cobalt 8.75 mg/kg Nickel (Soluble Salts) 20.5 mg/kg Lead 33.0 mg/kg Chromium 39.0 mg/kg Copper and compounds 47.5 mg/kg Vanadium 49.666666667 mg/kg Zinc 95.5 mg/kg Barium 125.0 mg/kg Manganese and compounds 325.0 mg/kg Aluminum 15000.0 mg/kg Iron 21333.333333000002 mg/kg

Surface Water (Human): Risk Not Evaluated

Contaminants: Aluminum 100.0 ug/L Barium 110.0 ug/L Iron 160.0 ug/L

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Site ID: SD317

DON JULIO CREEK IN OU C

Storm Drain

Cost

$109K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2015

This site is under ongoing monitoring until Jan 2018

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Antimony and compounds 0.08 ug/L Chloromethane (methyl chloride) 0.139 ug/L Carbon Dichloride 0.152 ug/L 1,1-Dichloroethylene 0.157 ug/L Lead 0.25 ug/L Methylene Chloride 0.301 ug/L Cobalt 0.33 ug/L Trichloroethylene (TCE) 0.33 ug/L cis-1,2-Dichloroethylene 0.38 ug/L Molybdenum 0.4 ug/L Beryllium and compounds 0.4 ug/L Selenium 0.59 ug/L Copper and compounds 0.65 ug/L 1,1,1-Trichloroethane 0.68 ug/L Manganese and compounds 0.68 ug/L 1,1-Dichloroethane 0.77 ug/L Chloroform 0.81 ug/L 1,4-Diethylene Dioxide 0.815 ug/L Cadmium and compounds 1.7 ug/L Zinc 1.9 ug/L 1,2-Dichloroethene 3.0 ug/L 1,2-Dichloroethane (EDC) 3.06 ug/L Aluminum 3.3 ug/L Acetone 3.9 ug/L Arsenic 5.6 ug/L Chromium 5.8 ug/L Nickel (Soluble Salts) 22.0 ug/L Bromobenzene 30.0 ug/L Vanadium 31.0 ug/L Iron 36.0 ug/L Barium 61.0 ug/L

Sediment (Human): Risk Not Evaluated

Contaminants: 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 9.355000000000001e-07 mg/kg HCH (alpha) 0.0009415000000000001 mg/kg HCH (beta) 0.0011 mg/kg HCH (gamma) Lindane 0.00219 mg/kg Endrin 0.002855 mg/kg Dieldrin 0.0031000000000000003 mg/kg Chrysene 0.0033 mg/kg DDD 0.0039 mg/kg DDT 0.004 mg/kg Heptachlor Epoxide 0.004240000000000001 mg/kg DDE 0.0054 mg/kg Heptachlor 0.0202 mg/kg Indeno(1,2,3-cd)Pyrene 0.021 mg/kg Benz(a)Anthracene 0.02225 mg/kg Methoxychlor 0.0254 mg/kg Aldrin 0.032200000000000006 mg/kg 1,2-Benzacenaphthene 0.0385 mg/kg Benzo(def)Phenanthrene 0.051000000000000004 mg/kg 8,9-Benzofluoranthene 0.096 mg/kg Benzo(a)Pyrene 0.099 mg/kg Cadmium and compounds 0.134 mg/kg Selenium 0.17400000000000002 mg/kg Antimony and compounds 0.246 mg/kg Beryllium and compounds 0.28500000000000003 mg/kg Molybdenum 0.372 mg/kg Silver and compounds 0.4235 mg/kg Arsenic 1.71 mg/kg Cobalt 8.81 mg/kg Copper and compounds 11.4 mg/kg Nickel (Soluble Salts) 11.700000000000001 mg/kg Lead 14.1 mg/kg Chromium 19.400000000000002 mg/kg Vanadium 30.1 mg/kg Zinc 39.0 mg/kg Barium 151.0 mg/kg Manganese and compounds 416.0 mg/kg Iron 9840.0 mg/kg Aluminum 13200.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: Dibenzo(b,e)(1,4)dioxin,2,3,7,8-tetrachloro- 1.2e-06 mg/kg 1,2,3,7,8,9-Hexachlorodibenzeno- p-Dioxin 2.4e-05 mg/kg Dibenz[ah]anthracene 3.03e-05 mg/kg Fluorene 0.0002935 mg/kg Anthracene 0.000611 mg/kg Heptachlor 0.000804 mg/kg HCH (beta) 0.00114 mg/kg HCH (alpha) 0.00172 mg/kg Naphthalene 0.00246 mg/kg Acenaphthene 0.0028799999999999997 mg/kg Heptachlor Epoxide 0.0033 mg/kg Benz(a)Anthracene 0.0064 mg/kg 2,3-Benzofluoranthene 0.006900000000000001 mg/kg HCH (gamma) Lindane 0.00796 mg/kg DDT 0.008199999999999999 mg/kg Aldrin 0.0086 mg/kg Endrin 0.011 mg/kg Methoxychlor 0.0154 mg/kg Indeno(1,2,3-cd)Pyrene 0.0161333333 mg/kg Chrysene 0.0173 mg/kg Benzo(def)Phenanthrene 0.0256666667 mg/kg Dieldrin 0.0351 mg/kg 1,2-Benzacenaphthene 0.039 mg/kg DDE 0.05215 mg/kg DDD 0.09755 mg/kg Biphenyl, polychloro- 0.2 mg/kg Benzo(a)Pyrene 0.2333333333 mg/kg Beryllium and compounds 0.3423333333 mg/kg 8,9-Benzofluoranthene 0.36 mg/kg Molybdenum 0.361 mg/kg Selenium 0.447 mg/kg Bis(2-Ethylhexyl)Phthalate 0.545 mg/kg Cadmium and compounds 0.6386666666999999 mg/kg Antimony and compounds 0.658 mg/kg Silver and compounds 1.75 mg/kg Arsenic 2.38 mg/kg Cobalt 12.406666667 mg/kg Copper and compounds 28.2 mg/kg Lead 28.333333333 mg/kg Chromium 38.066666667 mg/kg Vanadium 38.466666667 mg/kg Nickel (Soluble Salts) 40.4 mg/kg Zinc 92.56666666699999 mg/kg Barium 146.36666667 mg/kg Manganese and compounds 147.0 mg/kg Aluminum 10860.0 mg/kg Iron 15533.333333 mg/kg

Surface Water (Human): Risk Not Evaluated

Contaminants: Aldrin 0.021 ug/L DDT 0.044 ug/L Heptachlor 0.052 ug/L Molybdenum 1.895 ug/L Antimony and compounds 2.3365 ug/L Cobalt 2.34 ug/L Arsenic 3.03 ug/L Nickel (Soluble Salts) 6.215 ug/L Chromium 6.645 ug/L Vanadium 7.3 ug/L Lead 8.635 ug/L Copper and compounds 9.86 ug/L Zinc 38.45 ug/L Barium 121.0 ug/L Manganese and compounds 257.0 ug/L Aluminum 1370.0 ug/L Iron 3205.0 ug/L

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Site ID: SI263

AOC F-5 (LIQUID WASTE DISPOSAL AREA)

Surface Impoundment/Lagoon

Cost

$241K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2014

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.28500000000000003 mg/kg Beryllium and compounds 0.47800000000000004 mg/kg Antimony and compounds 0.561 mg/kg Molybdenum 1.33 mg/kg Arsenic 2.42 mg/kg Cobalt 7.04 mg/kg Nickel (Soluble Salts) 13.700000000000001 mg/kg Copper and compounds 15.4 mg/kg Chromium 24.400000000000002 mg/kg Zinc 30.0 mg/kg Vanadium 37.5 mg/kg Lead 53.300000000000004 mg/kg Benzo(a)Pyrene 87.0 mg/kg Barium 117.0 mg/kg Manganese and compounds 255.0 mg/kg Aluminum 8890.0 mg/kg Iron 13800.0 mg/kg

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Site ID: SI275

AOC H-14 (NEAR BLDG 911 - DRY IMPOUNDMENT AREA)

Surface Impoundment/Lagoon

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2008

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, methyl- 0.386 ug/L 1,1,1-Trichloroethane 0.609 ug/L Carbon Dichloride 0.742 ug/L Trichloroethylene (TCE) 38.2 ug/L

Soil: Risk Not Evaluated

Contaminants: Bis(2-Ethylhexyl)Phthalate 0.0785 mg/kg Benzo(a)Pyrene 84.666666667 mg/kg

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Site ID: SS114

EQUIPMENT REPAIR

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Ethyl benzene 0.0444 ug/L Benzene, p-dichloro- 0.0537 ug/L 1,3-Dichlorobenzene 0.0573 ug/L 1,2-Dichlorobenzene 0.0643 ug/L Chloromethane (methyl chloride) 0.099 ug/L Lead 0.11 ug/L Benzene, methyl- 0.121 ug/L Dichloropropane 0.122 ug/L 1,1-Dichloroethylene 0.199 ug/L Carbon Tetrachloride 0.2 ug/L 1,2-Dichloroethane (EDC) 0.21 ug/L Selenium 0.23 ug/L Antimony and compounds 0.24 ug/L cis-1,2-Dichloroethylene 0.32 ug/L Freon 113 0.33 ug/L Molybdenum 0.34 ug/L Methylene Chloride 0.39225 ug/L Hexachlorobutadiene 0.418 ug/L 1,2-trans-dichloroethylene 0.43 ug/L Carbon Dichloride 0.44 ug/L Chloroform 0.54 ug/L Manganese and compounds 0.77 ug/L Beryllium and compounds 0.9 ug/L 1,1-Dichloroethane 1.29 ug/L Copper and compounds 1.3 ug/L Cobalt 2.5 ug/L Trichloroethylene (TCE) 2.55 ug/L Zinc 2.7 ug/L Arsenic 3.4 ug/L Iron 9.9 ug/L Nickel (Soluble Salts) 11.0 ug/L Acetone 13.0 ug/L Chromium 18.0 ug/L 1,2-Dichloroethene 20.0 ug/L Aluminum 24.0 ug/L Vanadium 25.0 ug/L Barium 37.0 ug/L Benzene 120.0 ug/L Boron 280.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Cadmium and compounds 0.051500000000000004 mg/kg Silver and compounds 0.054 mg/kg Bis(2-Ethylhexyl)Phthalate 0.17500000000000002 mg/kg Beryllium and compounds 0.28 mg/kg Arsenic 2.15 mg/kg Carbon Dichloride 2.45115 mg/kg Naphthalene 2.8433333333 mg/kg Lead 5.45 mg/kg Trichloroethylene (TCE) 6.001600000000001 mg/kg Cobalt 10.450000000000001 mg/kg Copper and compounds 15.0 mg/kg Chromium 26.0 mg/kg Zinc 29.5 mg/kg Nickel (Soluble Salts) 37.0 mg/kg Vanadium 41.0 mg/kg Barium 205.0 mg/kg Manganese and compounds 335.0 mg/kg Aluminum 14500.0 mg/kg Iron 19000.0 mg/kg

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Site ID: SS054

STORAGE AREA

Spill Site Area

Cost

Unknown

Final Cleanup Action

Jun 2014

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Ethyl benzene 0.0441 ug/L Benzene, methyl- 0.0749 ug/L 1,1-Dichloroethylene 0.0799 ug/L Vinyl Chloride 0.145 ug/L cis-1,2-Dichloroethylene 0.1665 ug/L Antimony and compounds 0.21 ug/L Molybdenum 0.25 ug/L 1,2-Dichloroethene 0.28 ug/L Methylene Chloride 0.31235 ug/L Carbon Dichloride 0.378 ug/L 1,2-Dichloroethane (EDC) 0.4255 ug/L Vinyl 2-Chloroethyl Ether 0.828 ug/L Beryllium and compounds 1.0 ug/L 1,1,1-Trichloroethane 1.11 ug/L Copper and compounds 2.2 ug/L Cobalt 2.5 ug/L Lead 3.0 ug/L Arsenic 3.9 ug/L Acetone 4.6 ug/L Cadmium and compounds 5.0 ug/L Manganese and compounds 5.3 ug/L Chromium 9.8 ug/L Aluminum 12.0 ug/L Zinc 16.0 ug/L Trichloroethylene (TCE) 22.4 ug/L Vanadium 26.0 ug/L Nickel (Soluble Salts) 28.0 ug/L Barium 68.0 ug/L Iron 87.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Beryllium and compounds 0.24 mg/kg Molybdenum 1.2 mg/kg Dibutyl Phthalate 1.6 mg/kg Cadmium and compounds 2.1 mg/kg Silver and compounds 2.4 mg/kg Cobalt 7.2 mg/kg Nickel (Soluble Salts) 8.6 mg/kg Copper and compounds 13.0 mg/kg Chromium 14.0 mg/kg Lead 22.0 mg/kg Vanadium 32.0 mg/kg Barium 62.0 mg/kg Zinc 73.0 mg/kg Manganese and compounds 350.0 mg/kg Aluminum 3400.0 mg/kg Iron 8700.0 mg/kg

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Site ID: SS097

PCB STORAGE

Spill Site Area

Cost

$238K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 2013

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: o-Chlorotoluene 7.818 ug/L

Soil: Risk Not Evaluated

Contaminants: 1,1,1-Trichloroethane 0.00965 mg/kg Aroclor 1016 0.025 mg/kg Silver and compounds 0.0695 mg/kg Cadmium and compounds 0.08325 mg/kg Bis(2-Ethylhexyl)Phthalate 0.1045 mg/kg Acetone 0.12 mg/kg Beryllium and compounds 0.2366666667 mg/kg Benzoic Acid 0.44 mg/kg Arsenic 1.875 mg/kg Cobalt 6.65 mg/kg Copper and compounds 14.0 mg/kg Nickel (Soluble Salts) 19.25 mg/kg Chromium 26.0 mg/kg Lead 26.725 mg/kg Zinc 35.0 mg/kg Vanadium 41.0 mg/kg Barium 144.0 mg/kg Manganese and compounds 220.0 mg/kg Aluminum 13250.0 mg/kg Iron 16500.0 mg/kg

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Update (Dec. 5, 2017): We have changed the source of the installation cost data after being notified by the Department of Defense that they erroneously reported their own cost figures on the DERP website. We are now displaying the costs the department says are the most accurate available, from the Pentagon’s DERP database that we received in a FOIA request.

Note: The risk level of a site refers to a relative risk assessment made by the DOD to prioritize the cleanup of sites.

Data: All data comes from the Defense Environmental Restoration Program and the U.S. Army Corps of Engineers, and will be released soon at the ProPublica Data Store. Read our methodology »