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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 0.0036 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) 23.9 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 0.00225 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 0.00295 mg/kg Benzo(def)Phenanthrene 0.00435 mg/kg Dibenz[ah]anthracene 0.0061 mg/kg Beryllium and compounds 0.27 mg/kg Antimony and compounds 0.34 mg/kg Silver and compounds 0.4966666667 mg/kg Cadmium and compounds 1.8666666667 mg/kg Arsenic 2.7333333333 mg/kg Naphthalene 2.875 mg/kg Cobalt 7.3333333333 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 34.333333333 mg/kg Vanadium 41.333333333 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 0.009 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 0.4266666667 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 9.9166666667 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 297.36666667 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 0.0041 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 1.4531 mg/kg Cadmium and compounds 2.0 mg/kg Naphthalene 2.3666666667 mg/kg Trichloroethylene (TCE) 5.42064 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 37.55 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 0.0009 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 0.0113 mg/kg Benz(a)Anthracene 0.0116 mg/kg 1,2-Benzacenaphthene 0.013 mg/kg Beryllium and compounds 0.385 mg/kg Molybdenum 0.71 mg/kg Arsenic 4.9 mg/kg Lead 5.85 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 0.0065 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 0.47 mg/kg Naphthalene 1.025 mg/kg Cyanide (free) 1.1 mg/kg Arsenic 1.6333333333 mg/kg 2,4-Dimethylphenol 1.8 mg/kg 1,2-Dichlorobenzene 3.33 mg/kg Lead 4.4 mg/kg Benzene, p-dichloro- 7.015 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 0.141 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 0.3274 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 52.833333333 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 9.9666666667 mg/kg Nickel (Soluble Salts) 19.033333333 mg/kg Chromium 20.766666667 mg/kg Copper and compounds 23.8 mg/kg Vanadium 45.733333333 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 20533.333333 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 0.0031 mg/kg Aroclor 1254 0.037 mg/kg Selenium 0.2466666667 mg/kg Molybdenum 0.36 mg/kg Beryllium and compounds 0.5433333333 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 52.333333333 mg/kg Chromium 76.0 mg/kg Barium 136.66666667 mg/kg Manganese and compounds 210.0 mg/kg Iron 20333.333333 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 0.018 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 1.9 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) 18.4 mg/kg Copper and compounds 23.4 mg/kg Chromium 23.6 mg/kg Lead 31.733333333 mg/kg Benzene, p-dichloro- 42.0 mg/kg Zinc 48.8 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 18333.333333 mg/kg Iron 22333.333333 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 1.4 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 7.2e-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 0.0026 mg/kg Benzo(a)Pyrene 0.0036 mg/kg Methylene Chloride 0.0036 mg/kg Dibenz[ah]anthracene 0.0038 mg/kg cis-1,2-Dichloroethylene 0.004 mg/kg Acetone 0.0061 mg/kg Chrysene 0.0062 mg/kg Benzo(def)Phenanthrene 0.0069 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 0.0104 mg/kg 2-Methylnaphthalene 0.014 mg/kg 1,2-Dichloroethane (EDC) 0.023 mg/kg Benzene 0.032475 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 0.57 mg/kg Molybdenum 0.71 mg/kg o-Xylene 0.715 mg/kg Cadmium and compounds 0.82 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 0.026 mg/kg 2-Methylnaphthalene 0.026 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 0.5015 mg/kg Arsenic 1.75 mg/kg Molybdenum 1.89 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 0.35 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 0.0013 mg/kg Benzene 0.0018 mg/kg Benzene, methyl- 0.002 mg/kg Anthracene 0.002 mg/kg Dibenz[ah]anthracene 0.0045 mg/kg Acetone 0.0086 mg/kg Methyl Ethyl Ketone 0.013 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 0.3766666667 mg/kg Cobalt 7.8666666667 mg/kg Arsenic 10.216666667 mg/kg Lead 12.8 mg/kg Nickel (Soluble Salts) 14.233333333 mg/kg Copper and compounds 16.566666667 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 0.283 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 3.8 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 3.155 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 0.0059 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 0.0215 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 0.175 mg/kg Bis(2-Ethylhexyl)Phthalate 0.235 mg/kg Beryllium and compounds 0.7605 mg/kg Molybdenum 6.475 mg/kg Silver and compounds 7.18 mg/kg Arsenic 11.7 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 2.8 mg/kg Cobalt 5.75 mg/kg Copper and compounds 12.7 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 0.35 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 19.9 mg/kg Copper and compounds 25.5 mg/kg Vanadium 25.9 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 0.0018 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 0.0769 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 0.35 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 9.7 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 0.0084 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 0.35 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 1.13 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 0.0065 mg/kg n-Butylbenzene 0.0069 mg/kg Methyl Ethyl Ketone 0.026 mg/kg Aldrin 0.027 mg/kg Dieldrin 0.03 mg/kg Endrin 0.074 mg/kg Heptachlor Epoxide 0.076 mg/kg DDT 0.086 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 3.3 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) 6.6 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 0.00045 mg/kg HCH (alpha) 0.0006 mg/kg Heptachlor Epoxide 0.0008 mg/kg DDD 0.0009 mg/kg Endrin 0.0012 mg/kg Benzene, methyl- 0.0015 mg/kg Dibenz[ah]anthracene 0.0018 mg/kg Dieldrin 0.0032 mg/kg DDE 0.0038 mg/kg Indeno(1,2,3-cd)Pyrene 0.0042 mg/kg o-Xylene 0.0043 mg/kg 8,9-Benzofluoranthene 0.0058 mg/kg Acetone 0.0071 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 0.0098 mg/kg Benzo(a)Pyrene 0.01 mg/kg 1,1,1-Trichloroethane 0.01 mg/kg Chrysene 0.0124 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 0.018 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 0.1173333333 mg/kg Selenium 0.1607142857 mg/kg 2-Methylnaphthalene 0.2 mg/kg Antimony and compounds 0.2133333333 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 0.5333333333 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 6.1 mg/kg sec-Butylbenzene 6.1 mg/kg Cobalt 8.4666666667 mg/kg n-Butylbenzene 11.0 mg/kg Copper and compounds 16.333333333 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 0.175 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 1.88 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 0.0045 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 0.013 mg/kg HCH (gamma) Lindane 0.043 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 3.3 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 0.0009 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 0.0031 mg/kg Benz(a)Anthracene 0.0052 mg/kg Benzo(a)Pyrene 0.00565 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 0.00995 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 2.8 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 4.0e-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 0.018 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 4.6 mg/kg Arsenic 7.6 mg/kg Silver and compounds 11.9 mg/kg Cobalt 12.05 mg/kg Copper and compounds 22.3 mg/kg Nickel (Soluble Salts) 27.766666667 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 0.013 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 0.018 mg/kg Naphthalene 0.022 mg/kg Dibenz[ah]anthracene 0.03 mg/kg Silver and compounds 0.0715 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 0.47 mg/kg 1,2-Benzacenaphthene 0.48 mg/kg Benzo(def)Phenanthrene 0.49 mg/kg Molybdenum 0.56 mg/kg Cadmium and compounds 0.825 mg/kg Benzoic Acid 1.2 mg/kg Arsenic 2.85 mg/kg Cobalt 13.85 mg/kg Copper and compounds 17.65 mg/kg Nickel (Soluble Salts) 28.25 mg/kg Chromium 34.0 mg/kg Vanadium 34.2 mg/kg Lead 35.55 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 0.026 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 0.47 mg/kg Dieldrin 0.525 mg/kg Aroclor 1254 0.72 mg/kg Selenium 1.3 mg/kg Fluorene 1.4 mg/kg Butyl Benzyl Phthalate 1.5 mg/kg Dibenz[ah]anthracene 2.3 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- 0.0026 mg/kg Fluorene 0.0028333333 mg/kg 8,9-Benzofluoranthene 0.003 mg/kg Benz(a)Anthracene 0.0037 mg/kg Benzo(def)Phenanthrene 0.0042 mg/kg Chrysene 0.0048 mg/kg Indeno(1,2,3-cd)Pyrene 0.0056 mg/kg Hexanone 0.0065 mg/kg Acetone 0.00695 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) 0.013 mg/kg 1,3,5-Trimethylbenzene 0.014 mg/kg DDT 0.014 mg/kg Methylene Chloride 0.015 mg/kg 1,1-Dichloroethane 0.018 mg/kg Pentachlorophenol 0.0364 mg/kg Benzenedicarboxylate 0.048 mg/kg o-Xylene 0.05125 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 0.1666666667 mg/kg sec-Butylbenzene 0.1914 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 1.3181 mg/kg 1,2,4-Trimethylbenzene 1.388315 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 0.0045 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 0.35 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 6.6 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 0.0018 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 0.0059 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 0.35 mg/kg Methylene Chloride 0.35655 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 0.7 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 4.6 mg/kg Cobalt 6.6 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) 15.008 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) 0.0031 mg/kg Aldrin 0.0044 mg/kg DDE 0.0081 mg/kg HCH (beta) 0.0098 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 9.2 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 0.0041 mg/kg 2-Methylnaphthalene 0.00465 mg/kg Methoxychlor 0.0047 mg/kg Fluorene 0.0053 mg/kg Naphthalene 0.00565 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 0.1425 mg/kg Dibutyl Phthalate 0.17 mg/kg Cadmium and compounds 0.2266666667 mg/kg Diethyl Phthalate 0.267 mg/kg Butyl Benzyl Phthalate 0.315 mg/kg Dibenzofuran 0.365 mg/kg Benz(a)Anthracene 0.415 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 10.723333333 mg/kg Copper and compounds 28.0 mg/kg Chromium 33.0 mg/kg Nickel (Soluble Salts) 33.733333333 mg/kg Zinc 45.366666667 mg/kg Vanadium 68.733333333 mg/kg Barium 244.66666667 mg/kg Manganese and compounds 430.66666667 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 0.043 mg/kg 8,9-Benzofluoranthene 0.045 mg/kg Chrysene 0.046 mg/kg sec-Butylbenzene 0.051 mg/kg Benzo(a)Pyrene 0.052 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 0.0018 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 0.0041 mg/kg 2-Methylnaphthalene 0.0055 mg/kg Naphthalene 0.0078 mg/kg 1,1,1-Trichloroethane 0.01475 mg/kg Benzo(a)Pyrene 0.03 mg/kg Aroclor 1254 0.036 mg/kg Chrysene 0.036 mg/kg 2,3-Benzofluoranthene 0.038 mg/kg Bis(2-Ethylhexyl)Phthalate 0.043 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 24.65 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 0.013 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 2.3 mg/kg Arsenic 5.0 mg/kg Molybdenum 5.9 mg/kg Cadmium and compounds 6.1 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 0.35 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 0.825 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 21.9 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 0.47 mg/kg Anthracene 0.49 mg/kg Antimony and compounds 1.3 mg/kg Bis(2-Ethylhexyl)Phthalate 4.6 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 0.0026 mg/kg Dieldrin 0.0031 mg/kg DDE 0.0033 mg/kg Anthracene 0.0035 mg/kg Benzo(def)Phenanthrene 0.0113666667 mg/kg 1,2-Benzacenaphthene 0.0118 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 18.066666667 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 0.0642 mg/kg Cadmium and compounds 0.077 mg/kg 2-Methylnaphthalene 0.14 mg/kg Beryllium and compounds 0.345 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 1.02e-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 0.018 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 0.41 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 1.9 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- 5.2e-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 0.00305 mg/kg Acetone 0.0032 mg/kg Acenaphthene 0.0038 mg/kg Fluorene 0.0042 mg/kg Chloroform 0.005015 mg/kg Carbon Tetrachloride 0.00648 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 0.026 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 0.043 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 0.1909 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- 0.82 mg/kg cis-1,2-Dichloroethylene 1.105 mg/kg Bromodichloromethane 2.3 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 0.0007666667 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 24.533333333 mg/kg Zinc 29.866666667 mg/kg Cobalt 48.8 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 0.0009 mg/kg 8,9-Benzofluoranthene 0.00125 mg/kg Benz(a)Anthracene 0.00155 mg/kg Indeno(1,2,3-cd)Pyrene 0.0022 mg/kg 2,3-Benzofluoranthene 0.00255 mg/kg Benzo(a)Pyrene 0.0026 mg/kg 1,2-Benzacenaphthene 0.00295 mg/kg Chrysene 0.00305 mg/kg Benzo(def)Phenanthrene 0.00345 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 0.018 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 3.05 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 0.01895 mg/kg Acenaphthene 0.021 mg/kg Indeno(1,2,3-cd)Pyrene 0.028925 mg/kg 8,9-Benzofluoranthene 0.035625 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 0.0712875 mg/kg Silver and compounds 0.12 mg/kg Benzo(def)Phenanthrene 0.130825 mg/kg Antimony and compounds 0.144 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) 20.9 mg/kg Copper and compounds 21.05 mg/kg Chromium 29.7 mg/kg Lead 31.4 mg/kg Vanadium 44.8 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 0.0013 mg/kg Chloroform 0.00182 mg/kg Methyl Ethyl Ketone 0.004275 mg/kg Hexanone 0.00486 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) 13.95 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 1.65 mg/kg Naphthalene 2.01 mg/kg Arsenic 2.8 mg/kg Lead 4.6 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 68.6 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 0.0036 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 0.47 mg/kg Diethyl Phthalate 0.487 mg/kg Cadmium and compounds 0.81 mg/kg Molybdenum 0.9935 mg/kg Fluoride 2.3 mg/kg Selenium 4.4 mg/kg Lead 6.1 mg/kg Arsenic 6.7333333333 mg/kg Cobalt 9.6266666667 mg/kg Nickel (Soluble Salts) 21.595 mg/kg Copper and compounds 21.851666667 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 0.35 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 5.6 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 74.35 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 1.017 mg/kg Molybdenum 1.89 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 21.775 mg/kg Copper and compounds 25.4 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 0.565 mg/kg Chrysene 0.6416666667 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 5.975 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 0.0049 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 0.0322 mg/kg Naphthalene 0.046 mg/kg Benzo(def)Phenanthrene 0.051 mg/kg 1,1,1-Trichloroethane 0.0518 mg/kg 1,2-Benzacenaphthene 0.058 mg/kg Cumene 0.0595 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 0.0071 mg/kg 1,2-trans-dichloroethylene 0.0076 mg/kg Trichlorofluoromethane 0.0087 mg/kg Benzo(a)Pyrene 0.0098 mg/kg Freon 113 0.023 mg/kg Butyl Benzyl Phthalate 0.048 mg/kg 1,1,2-Trichloroethane 0.051 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 0.475 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 1.0533333333 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 22.65 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 0.0082 mg/kg Benzo(a)Pyrene 0.0084 mg/kg 1,2-Benzacenaphthene 0.011 mg/kg Benzo(def)Phenanthrene 0.016 mg/kg Chrysene 0.018 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 0.287 mg/kg Beryllium and compounds 0.345 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 693.33333333 mg/kg Aluminum 20000.0 mg/kg Iron 28333.333333 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 0.0013 mg/kg DDD 0.0024 mg/kg DDE 0.0035 mg/kg Anthracene 0.026 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 0.69 mg/kg Arsenic 1.3 mg/kg Cobalt 3.3 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 0.0804 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 1.80225 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 11.7 mg/kg Nickel (Soluble Salts) 14.1 mg/kg Chromium 15.6 mg/kg Zinc 39.9 mg/kg Vanadium 59.8 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 0.0041 mg/kg Trichloroethylene (TCE) 0.0059 mg/kg 1-Phenylpropane 0.0061 mg/kg Fluorene 0.0072 mg/kg 1,3,5-Trimethylbenzene 0.00905 mg/kg Carbon Dichloride 0.0122 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 8.7 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 0.0026 mg/kg Benzo(a)Pyrene 0.0027 mg/kg 2,3-Benzofluoranthene 0.003 mg/kg Chrysene 0.0038 mg/kg Benzo(def)Phenanthrene 0.0049 mg/kg 1,2-Benzacenaphthene 0.0051 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 2.8 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 0.0072 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 6.1 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 0.35 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 0.0018 mg/kg Chloroform 0.00185 mg/kg 1,2-Benzacenaphthene 0.0023 mg/kg Dibenz[ah]anthracene 0.0025 mg/kg Benz(a)Anthracene 0.0026 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 0.41 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 10.45 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 0.043 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 10.2 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 45.3 mg/kg Benzo(a)Pyrene 82.5 mg/kg Barium 90.1 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 23.4 mg/kg Chromium 25.1 mg/kg Copper and compounds 28.4 mg/kg Zinc 38.85 mg/kg Vanadium 50.8 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 0.0276666667 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 0.204 mg/kg Dibenz[ah]anthracene 0.207 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 0.6733333333 mg/kg 2-Cresol 0.8 mg/kg 2,4-Dimethylphenol 0.9135 mg/kg Bis(2-Ethylhexyl)Phthalate 1.33 mg/kg Acetone 1.4 mg/kg Benzene, methyl- 1.5 mg/kg Nitrobenzene 1.56 mg/kg Dibutyl Phthalate 1.67425 mg/kg Cadmium and compounds 1.89 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 11.633333333 mg/kg Naphthalene 12.284 mg/kg Arsenic 13.26 mg/kg Chromium 24.633333333 mg/kg Copper and compounds 25.466666667 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 200.7 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 0.026 mg/kg Silver and compounds 0.26 mg/kg Molybdenum 0.37 mg/kg Beryllium and compounds 0.6533333333 mg/kg Lead 6.3333333333 mg/kg Arsenic 6.45 mg/kg Cobalt 11.233333333 mg/kg Copper and compounds 20.933333333 mg/kg Nickel (Soluble Salts) 25.95 mg/kg Chromium 33.15 mg/kg Vanadium 56.266666667 mg/kg Zinc 65.133333333 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 0.284 mg/kg Silver and compounds 0.47 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) 11.266666667 mg/kg Lead 12.1 mg/kg Zinc 13.933333333 mg/kg Chromium 24.366666667 mg/kg Vanadium 31.966666667 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) 0.0098 mg/kg Carbon Dichloride 0.02 mg/kg 1,3,5-Trimethylbenzene 0.035 mg/kg Ethyl benzene 0.036 mg/kg o-Xylene 0.047 mg/kg Indeno(1,2,3-cd)Pyrene 0.059 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 0.41 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 3.3 mg/kg Naphthalene 3.8 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 0.0821 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 0.288 mg/kg Bis(2-Ethylhexyl)Phthalate 0.311 mg/kg 1,2-Benzacenaphthene 0.3606 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 19.9 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 23633.333333 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 0.0041 mg/kg Benzenedicarboxylate 0.043 mg/kg Bis(2-Ethylhexyl)Phthalate 0.051 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 0.69 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 1.9 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 3.3 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 56.8 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 0.0026 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 0.69 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 3.3 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- 9.6686666667 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 0.41 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 10.133333333 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 54.333333333 mg/kg Zinc 55.666666667 mg/kg Barium 210.0 mg/kg Manganese and compounds 240.0 mg/kg Aluminum 18333.333333 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 0.087 mg/kg Carbon Dichloride 0.60238 mg/kg Benzene, methyl- 0.703 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) 0.00036 mg/kg Heptachlor 0.00047 mg/kg DDT 0.0011 mg/kg Heptachlor Epoxide 0.0014 mg/kg Trichloroethylene (TCE) 0.00144 mg/kg DDD 0.0015 mg/kg DDE 0.0023 mg/kg o-Xylene 0.0024 mg/kg Methoxychlor 0.0042 mg/kg Dieldrin 0.005 mg/kg Chloroform 0.0061 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 0.47 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 48.05 mg/kg Benzene, methyl- 52.123333333 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 0.47 mg/kg Lead 7.6666666667 mg/kg Cobalt 11.666666667 mg/kg Copper and compounds 19.666666667 mg/kg Nickel (Soluble Salts) 19.9 mg/kg Chromium 21.666666667 mg/kg Zinc 38.333333333 mg/kg Vanadium 51.333333333 mg/kg Barium 163.66666667 mg/kg Manganese and compounds 420.0 mg/kg Aluminum 16600.0 mg/kg Iron 24333.333333 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 1.4 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 3.3 mg/kg Molybdenum 5.1 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 0.00355 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 0.0277333333 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 0.4785 mg/kg Cadmium and compounds 0.635 mg/kg Arsenic 5.1666666667 mg/kg Cobalt 9.845 mg/kg Nickel (Soluble Salts) 21.4 mg/kg Copper and compounds 22.275 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 0.0013 mg/kg DDD 0.002 mg/kg Heptachlor 0.0022 mg/kg DDE 0.0027 mg/kg DDT 0.0069 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 1.9725 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 306.66666667 mg/kg Manganese and compounds 447.226 mg/kg Aluminum 15313.46 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 0.0052 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 0.059 mg/kg Benz(a)Anthracene 0.065 mg/kg 2,3-Benzofluoranthene 0.074 mg/kg Chrysene 0.078 mg/kg Aroclor 1254 0.1083333333 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 0.35 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 0.0018 mg/kg Naphthalene 0.00245 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 0.052 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 58.333333333 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 1.4 mg/kg Benzenedicarboxylate 1.5 mg/kg Dibenz[ah]anthracene 1.7 mg/kg Antimony and compounds 2.8 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 8.7 mg/kg Cadmium and compounds 8.7 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 0.0041 mg/kg Benz(a)Anthracene 0.0065 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 0.043 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 36.8 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 0.4145 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) 26.4 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) 0.01605 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 24.4 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 0.052 mg/kg Indeno(1,2,3-cd)Pyrene 0.1545 mg/kg Benzo(def)Phenanthrene 0.94 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 0.0021 mg/kg Heptachlor 0.0024 mg/kg Anthracene 0.0043 mg/kg Naphthalene 0.0044 mg/kg Dibenz[ah]anthracene 0.0049 mg/kg Fluorene 0.0061 mg/kg Carbon Tetrachloride 0.0086 mg/kg Dieldrin 0.0103 mg/kg 8,9-Benzofluoranthene 0.012 mg/kg cis-1,2-Dichloroethylene 0.01505 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 0.0595 mg/kg Dibutyl Phthalate 0.185 mg/kg Beryllium and compounds 0.245 mg/kg Trichloroethylene (TCE) 0.3395 mg/kg Cyanide (free) 0.7 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) 13.7 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 0.1836 mg/kg Cadmium and compounds 0.255 mg/kg Molybdenum 0.72 mg/kg Naphthalene 2.9266666667 mg/kg Arsenic 3.8 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 30.9 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 0.018 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 0.47 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 0.0013 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 0.0072 mg/kg Benz(a)Anthracene 0.018 mg/kg 1,2-Benzacenaphthene 0.03 mg/kg Benzo(a)Pyrene 0.0325 mg/kg 2,3-Benzofluoranthene 0.0385 mg/kg Chrysene 0.043 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 1.14 mg/kg Arsenic 2.25 mg/kg Dibutyl Phthalate 3.3 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 0.0571 mg/kg Silver and compounds 0.329 mg/kg Molybdenum 0.347 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 0.0026 mg/kg Dibenz[ah]anthracene 0.0026 mg/kg Acenaphthene 0.0053 mg/kg 8,9-Benzofluoranthene 0.013 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 29.4 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- 1.4 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 0.0049 mg/kg Benzo(a)Pyrene 0.0084 mg/kg Benzo(def)Phenanthrene 0.0098 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 46.3 mg/kg Lead 87.1 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 1.785 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 0.2035 mg/kg Silver and compounds 0.54 mg/kg Molybdenum 1.57 mg/kg Cobalt 5.43 mg/kg Nickel (Soluble Salts) 22.9 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 94.1 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 0.018 mg/kg Silver and compounds 0.042 mg/kg Selenium 0.073 mg/kg Cadmium and compounds 0.079 mg/kg Antimony and compounds 0.104 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 2.76 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 0.0009 mg/kg DDE 0.003 mg/kg Methylene Chloride 0.00375 mg/kg DDD 0.0049 mg/kg Benz(a)Anthracene 0.0071 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 0.026 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 9.45 mg/kg Lead 11.5 mg/kg Copper and compounds 17.55 mg/kg Chromium 29.65 mg/kg Nickel (Soluble Salts) 31.65 mg/kg Zinc 35.05 mg/kg Vanadium 50.175 mg/kg Barium 237.675 mg/kg Manganese and compounds 341.66666667 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 0.009 mg/kg Dibenz[ah]anthracene 0.015 mg/kg Methylene Chloride 0.018 mg/kg Indeno(1,2,3-cd)Pyrene 0.039 mg/kg 8,9-Benzofluoranthene 0.042 mg/kg Silver and compounds 0.052 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 0.35 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 0.0482 mg/kg Acetone 0.0495 mg/kg Naphthalene 0.11062 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 20033.333333 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 0.0071 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 0.35 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) 5.6692666667 mg/kg Cobalt 8.5 mg/kg Copper and compounds 16.333333333 mg/kg Nickel (Soluble Salts) 19.0 mg/kg Chromium 24.333333333 mg/kg Zinc 32.0 mg/kg Vanadium 62.333333333 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 0.00065 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 0.00305 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 0.02105 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 8.7 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 0.0031 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 0.0071 mg/kg Benzo(def)Phenanthrene 0.0072 mg/kg 1,2-Benzacenaphthene 0.009 mg/kg 2,3-Benzofluoranthene 0.011 mg/kg Anthracene 0.02 mg/kg Methyl Ethyl Ketone 0.024 mg/kg Naphthalene 0.036 mg/kg Dibenz[ah]anthracene 0.037 mg/kg Acetone 0.08 mg/kg Fluorene 0.086 mg/kg Acenaphthene 0.13 mg/kg Beryllium and compounds 0.2433333333 mg/kg Aroclor 1254 0.57 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 22.4 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 9435.505 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 0.0161 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- 0.0069 mg/kg Naphthalene 0.0081 mg/kg 1,1,1-Trichloroethane 0.0082 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 0.052 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 0.4735 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 20.033333333 mg/kg Nickel (Soluble Salts) 20.966666667 mg/kg Chromium 23.6 mg/kg Zinc 38.95 mg/kg Vanadium 54.8 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 0.0013 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 0.0052 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 3.07 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 0.009 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 0.0504666667 mg/kg Ethyl benzene 0.0549 mg/kg Bis(2-Ethylhexyl)Phthalate 0.065 mg/kg Cadmium and compounds 0.1135714286 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 3.0152333333 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 6.504 mg/kg Cobalt 7.9 mg/kg Nickel (Soluble Salts) 9.2 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 22.5387 mg/kg Zinc 23.6 mg/kg Vanadium 37.8 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 0.31275 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 3.6833333333 mg/kg Cobalt 7.2 mg/kg Lead 12.225 mg/kg Antimony and compounds 14.0 mg/kg Copper and compounds 14.825 mg/kg Nickel (Soluble Salts) 15.775 mg/kg Chromium 22.5 mg/kg Zinc 33.3 mg/kg Vanadium 47.3 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 0.0021 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 0.0041 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 0.0036 mg/kg Benzo(a)Pyrene 0.0039 mg/kg 2,3-Benzofluoranthene 0.0046 mg/kg Benz(a)Anthracene 0.0046 mg/kg Chrysene 0.0061 mg/kg Bis(2-Ethylhexyl)Phthalate 0.046 mg/kg Silver and compounds 0.059 mg/kg Naphthalene 0.062 mg/kg Cadmium and compounds 0.2 mg/kg Beryllium and compounds 0.4713333333 mg/kg Molybdenum 0.819 mg/kg Arsenic 3.8 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 4.6 mg/kg Lead 8.4333333333 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) 12.233333333 mg/kg Copper and compounds 15.966666667 mg/kg Chromium 17.3 mg/kg Zinc 31.5 mg/kg Vanadium 32.366666667 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 0.0039666667 mg/kg Dibenz[ah]anthracene 0.0049 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 0.059 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) 17.4 mg/kg Chromium 23.133333333 mg/kg Zinc 38.8 mg/kg Vanadium 51.266666667 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 0.416 mg/kg Molybdenum 0.72 mg/kg Arsenic 3.2333333333 mg/kg Lead 5.7666666667 mg/kg Selenium 7.6 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 44.3 mg/kg Vanadium 59.3 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 35.30455 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 0.0031 mg/kg Carbon Dichloride 0.00685 mg/kg Benzene, chloro- 0.007 mg/kg Acetone 0.01475 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 0.41 mg/kg Dibutyl Phthalate 0.455 mg/kg sec-Butylbenzene 0.57 mg/kg Cumene 0.58 mg/kg Freon 113 0.6383333333 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 60.333333333 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 0.0026 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 0.0093 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 7.1 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) 31.9 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 0.0018 mg/kg 2-Hexanone 0.0028 mg/kg Methyl Ethyl Ketone 0.003 mg/kg Dibenz[ah]anthracene 0.0071 mg/kg Chloroform 0.0077 mg/kg 1,1-Dichloroethylene 0.0091 mg/kg Naphthalene 0.0100333333 mg/kg cis-1,2-Dichloroethylene 0.0113 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 0.018 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 0.172 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 0.575 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) 36.3 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 21333.333333 mg/kg Iron 30333.333333 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 0.0031 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 0.0051 mg/kg Benzo(a)Pyrene 0.0063 mg/kg Benz(a)Anthracene 0.0065 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 0.47 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 0.0026 mg/kg Dibenz[ah]anthracene 0.0027 mg/kg Benz(a)Anthracene 0.00305 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 0.026 mg/kg 2,3-Benzofluoranthene 0.034 mg/kg Benzenedicarboxylate 0.062 mg/kg o-Xylene 0.071 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 0.69 mg/kg 2-Methylnaphthalene 0.785 mg/kg Beryllium and compounds 0.94 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 11.95 mg/kg Chromium 27.9 mg/kg Nickel (Soluble Salts) 33.55 mg/kg Copper and compounds 34.8 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 9.0666666667 mg/kg Lead 9.15 mg/kg Nickel (Soluble Salts) 15.0 mg/kg Copper and compounds 16.333333333 mg/kg Chromium 17.333333333 mg/kg Zinc 34.333333333 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 0.0328 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 0.948 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 18333.333333 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 0.41 mg/kg Beryllium and compounds 0.465 mg/kg Molybdenum 0.5 mg/kg Arsenic 2.6 mg/kg Cobalt 11.7 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