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NAVY INSTALLATION ID: CA917002278400

Hunters Point Annex-Treasure Island Naval Station

san bruno, California

Cost So Far

$882M

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

Expected Additional Cost

$266M

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

Expected Completion Date

2021

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

70 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: fences, warning signs, barriers. see more » a barrier, including but not limited to a paved surface or landfill cap, must be maintained in order to prevent exposure to contaminants, including vapor intrusion into an enclosed structure. a fence around controlled area, with or without gate. gate(s) and/or door(s) must be locked to prevent access and exposure to contaminants. a warning sign is in place surrounding the area prohibits disturbance of surface or subsurface soil due to invasive activities such as construction, unless prior written approval of the navy and lead regulatory agency is obtained. prohibits occupancy of existing, or construction of new, enclosed structures above voc groundwater plumes unless vapor barrier or ventilation device is installed and prior written approval of the navy and lead regulatory agency is obtained. prohibit construction and/or operation of businesses, structures or other areas frequented by sensitive populations, such as children and the elderly, unless prior written approval of the navy and lead regulatory agency is obtained. groundwater use restricted. prohibit residential use in certain areas, unless prior written approval of the navy and lead regulatory agency is obtained. « see less

6 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: SITE 00036

TREASURE ISLAND NS HUNTERS PT ANNEX

Storage Area

Cost

$2.57M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2017

This site is under ongoing monitoring until Oct 2045

Contaminated Areas

Groundwater: High Risk

Contaminants: Methoxychlor 10.0 ppb DDT 20.0 ppb Chlordane 20.0 ppb Aldrin 60.0 ppb Heptachlor 130.0 ppb Xylene (mixed) 500.0 ppb Toluene 600.0 ppb Zinc 2000.0 ppb Copper and compounds 2100.0 ppb Selenium 2630.0 ppb Acenaphthene 3000.0 ppb Cadmium and compounds 3600.0 ppb N-Nitrosodiphenylamine 5000.0 ppb Trichloroethylene (TCE) 6000.0 ppb Antimony and compounds 7610.0 ppb Vanadium 7810.0 ppb Carbon disulfide 10000.0 ppb Arsenic (cancer) 15440.0 ppb Molybdenum 38010.0 ppb Nickel and compounds 92200.0 ppb Aluminum 102000.0 ppb Barium and compounds 233500.0 ppb Iron 250820.0 ppb Manganese and compounds 12468000.0 ppb

Soil: High Risk

Contaminants: Heptachlor epoxide 0.01 ppb Endosulfan 0.01 ppb Tetrachloroethylene (PCE) 0.01 ppb Benzene 0.01 ppb DDE 0.01 ppb Carbon disulfide 0.01 ppb Ethylbenzene 0.02 ppb Dibenz[ah]anthracene 0.02 ppb Endrin 0.02 ppb Fluorene 0.02 ppb DDT 0.04 ppb Methoxychlor 0.04 ppb DDD,4,4- 0.05 ppb Acenaphthene 0.05 ppb Anthracene 0.14 ppb Acetone 0.14 ppb Xylene (mixed) 0.15 ppb Trichloroethylene (TCE) 0.17 ppb 4-Methylphenol 0.18 ppb Isophorone 0.28 ppb Silver and compounds 0.39 ppb Indeno[1,2,3-cd]pyrene 0.69 ppb Benz(a)anthracene 0.71 ppb Benzo[k]fluoranthene 0.98 ppb Beryllium and compounds 1.08 ppb 4-Nitrophenol 1.2 ppb Chrysene 1.2 ppb Benzo[a]pyrene 1.2 ppb Benzo[b]fluoranthene 1.7 ppb Selenium 1.7 ppb Polychlorinated biphenyls (PCBs) 1.95 ppb Pyrene 2.0 ppb Fluoranthene 2.1 ppb Cadmium and compounds 3.64 ppb Naphthalene 5.7 ppb Antimony and compounds 6.64 ppb Phenol 7.2 ppb Molybdenum 7.71 ppb Methylnaphthalene,2 22.0 ppb Mercury and compounds (inorganic) 30.18 ppb Bis(2-ethylhexyl)phthalate (DEHP) 48.0 ppb Vanadium 88.96 ppb Arsenic (noncancer) 105.0 ppb Barium and compounds 1236.3 ppb Lead 1396.26 ppb Nickel and compounds 1630.0 ppb Copper and compounds 2550.0 ppb Manganese and compounds 3823.25 ppb Zinc 4218.73 ppb Aluminum 30413.4 ppb Iron 122319.0 ppb

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Site ID: SITE 00001

TREASURE ISLAND NS HUNTERS PT ANNEX

Landfill

Cost

$73.2M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

May 2019

This site is under ongoing monitoring until Oct 2045

Contaminated Areas

Groundwater: High Risk

Contaminants: HCH (beta) 50.0 ppb Heptachlor 460.0 ppb Butyl benzyl phthalate 2000.0 ppb di-n-Octyl phthalate 3000.0 ppb Anthracene 3000.0 ppb Indeno[1,2,3-cd]pyrene 3000.0 ppb Benzo[a]pyrene 3000.0 ppb Carbon tetrachloride 3000.0 ppb Methylene chloride 3000.0 ppb Methyl ethyl ketone 3000.0 ppb Selenium 3500.0 ppb Chloroform 4400.0 ppb Benz(a)anthracene 5000.0 ppb Trichloroethylene (TCE) 5000.0 ppb Beryllium and compounds 5100.0 ppb Tetrachloroethylene (PCE) 6000.0 ppb Benzo[b]fluoranthene 6000.0 ppb N-Nitrosodiphenylamine 6000.0 ppb Toluene 7000.0 ppb 2-Methylphenol 7700.0 ppb Carbon disulfide 8000.0 ppb Silver and compounds 8600.0 ppb Chrysene 10000.0 ppb Mercury and compounds (inorganic) 10000.0 ppb Ethyl chloride 10000.0 ppb Dichloroethane, 1,1- 12000.0 ppb Fluoranthene 13000.0 ppb 1,3-Dichlorobenzene 13000.0 ppb Pyrene 15000.0 ppb 1,4-Dichlorobenzene 16000.0 ppb Chlorobenzene 17000.0 ppb Fluorene 17910.0 ppb Cadmium and compounds 20200.0 ppb Benzoic acid 21590.0 ppb Cyanide (free) 24000.0 ppb Methylnaphthalene,2 24000.0 ppb Ethylbenzene 25000.0 ppb Methyl isobutyl ketone 26950.0 ppb 2,4-Dimethylphenol 27300.0 ppb Acenaphthene 29110.0 ppb Tetraethyldithiopyrophosphate 31320.0 ppb 4-Methylphenol 34810.0 ppb Molybdenum 37200.0 ppb Benzene 44000.0 ppb Acetone 66000.0 ppb Phenol 67000.0 ppb Arsenic (cancer) 77800.0 ppb Polychlorinated biphenyls (PCBs) 114100.0 ppb Bis(2-ethylhexyl)phthalate (DEHP) 160000.0 ppb Xylene (mixed) 170000.0 ppb Naphthalene 190000.0 ppb 1,2,4-Trichlorobenzene 220000.0 ppb Antimony and compounds 286000.0 ppb Phosphorus (white) 550000.0 ppb Vanadium 553000.0 ppb Fluoride 1000000.0 ppb Copper and compounds 1780000.0 ppb Zinc 5050000.0 ppb Nickel and compounds 6260000.0 ppb Lead 6520000.0 ppb Barium and compounds 7480000.0 ppb Manganese and compounds 9700000.0 ppb Nitrate 22400000.0 ppb Aluminum 183000000.0 ppb Iron 333000000.0 ppb Chlorine 7240000000.0 ppb

Soil: High Risk

Contaminants: 1,2-Dichloroethylene (mixture) 0.01 ppb Chlordane 0.01 ppb HCH (gamma) Lindane 0.01 ppb Trichloroethylene (TCE) 0.01 ppb Toluene 0.02 ppb DDD,4,4- 0.02 ppb Methyl ethyl ketone 0.02 ppb DDT 0.04 ppb Acetone 0.05 ppb Diethyl phthalate 0.06 ppb Pentachlorophenol 0.06 ppb Xylene (mixed) 0.09 ppb 1,2,4-Trichlorobenzene 0.11 ppb 4-Methylphenol 0.16 ppb Dibenz[ah]anthracene 0.25 ppb Dibutyl phthalate 0.54 ppb Fluorene 0.54 ppb Anthracene 0.66 ppb Bis(2-ethylhexyl)phthalate (DEHP) 0.73 ppb Acenaphthene 1.1 ppb Methylnaphthalene,2 1.36 ppb Beryllium and compounds 1.4 ppb Silver and compounds 1.51 ppb Benzo[k]fluoranthene 2.1 ppb Naphthalene 2.13 ppb Benz(a)anthracene 2.3 ppb Indeno[1,2,3-cd]pyrene 3.1 ppb Phenol 3.2 ppb Benzo[a]pyrene 3.4 ppb Molybdenum 4.8 ppb Cadmium and compounds 4.97 ppb Chrysene 5.8 ppb Fluoranthene 6.0 ppb Selenium 6.2 ppb Benzo[b]fluoranthene 6.6 ppb Cyanide (free) 6.6 ppb Pyrene 7.1 ppb Tin and compounds 8.2 ppb Mercury and compounds (inorganic) 8.4 ppb Antimony and compounds 85.0 ppb Polychlorinated biphenyls (PCBs) 115.25 ppb Arsenic (noncancer) 215.0 ppb Barium and compounds 601.0 ppb Nickel and compounds 982.0 ppb Vanadium 1540.0 ppb Manganese and compounds 1590.0 ppb Zinc 1690.0 ppb Copper and compounds 4970.0 ppb Lead 5760.0 ppb Aluminum 24475.9 ppb Iron 66400.0 ppb

Sediment (Human): Medium Risk

Contaminants: Tetrachloroethylene (PCE) 0.01 ppb HCH (beta) 0.01 ppb Chloroform 0.01 ppb Carbon disulfide 0.01 ppb Methyl ethyl ketone 0.01 ppb Trichloroethylene (TCE) 0.01 ppb DDT 0.04 ppb Pentachlorophenol 0.05 ppb 1,4-Dichlorobenzene 0.07 ppb Phenol 0.09 ppb Carbon tetrachloride 0.09 ppb Naphthalene 0.09 ppb 4-Methylphenol 0.1 ppb Methylnaphthalene,2 0.21 ppb Benzoic acid 0.55 ppb Beryllium and compounds 0.64 ppb Silver and compounds 0.73 ppb Mercury and compounds (inorganic) 1.0 ppb Dibenz[ah]anthracene 1.2 ppb Acenaphthene 1.2 ppb Fluorene 3.4 ppb Indeno[1,2,3-cd]pyrene 5.1 ppb Molybdenum 5.6 ppb Benzo[k]fluoranthene 7.8 ppb Permethrin 8.0 ppb Polychlorinated biphenyls (PCBs) 8.4 ppb Benzo[a]pyrene 9.8 ppb Benz(a)anthracene 16.0 ppb Anthracene 23.0 ppb Benzo[b]fluoranthene 23.0 ppb Arsenic (noncancer) 24.3 ppb Chrysene 27.0 ppb Pyrene 36.0 ppb Fluoranthene 46.0 ppb Vanadium 65.1 ppb Nickel and compounds 155.0 ppb Barium and compounds 159.0 ppb Zinc 460.0 ppb Manganese and compounds 565.0 ppb Lead 786.0 ppb Copper and compounds 3830.0 ppb Aluminum 19000.0 ppb Iron 36200.0 ppb

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Site ID: SITE 00007

TREASURE ISLAND NS HUNTERS PT ANNEX

Surface Disposal Area

Cost

$4.18M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jan 2017

This site is under ongoing monitoring until Oct 2045

Contaminated Areas

Sediment (Human): High Risk

Contaminants: Chrysene 0.34 ppb Benzo[b]fluoranthene 0.35 ppb Cadmium and compounds 0.46 ppb Mercury and compounds (inorganic) 0.47 ppb Pyrene 0.61 ppb Fluoranthene 0.69 ppb Arsenic (noncancer) 4.73 ppb Vanadium 30.71 ppb Barium and compounds 83.29 ppb Antimony and compounds 105.29 ppb Copper and compounds 224.27 ppb Zinc 470.29 ppb Manganese and compounds 608.93 ppb Nickel and compounds 624.22 ppb Lead 631.52 ppb Aluminum 7629.5 ppb Iron 30130.1 ppb

Groundwater: Medium Risk

Contaminants: Mercury and compounds (inorganic) 350.0 ppb Beryllium and compounds 530.0 ppb 1,1,2,2-Tetrachloroethane 1000.0 ppb Vinyl acetate 2000.0 ppb Chlorobenzene 2000.0 ppb Tetrachloroethylene (PCE) 2000.0 ppb Benzene 2000.0 ppb Lead 2100.0 ppb Vanadium 2300.0 ppb Methyl isobutyl ketone 3000.0 ppb Toluene 3000.0 ppb Bis(2-ethylhexyl)phthalate (DEHP) 3000.0 ppb Silver and compounds 3600.0 ppb di-n-Octyl phthalate 4000.0 ppb Arsenic (cancer) 5500.0 ppb Cadmium and compounds 5600.0 ppb Carbon disulfide 14000.0 ppb Selenium 26000.0 ppb Acetone 27000.0 ppb Zinc 29300.0 ppb Antimony and compounds 44100.0 ppb Copper and compounds 46100.0 ppb Molybdenum 63700.0 ppb Aluminum 250000.0 ppb Fluoride 284000.0 ppb Phosphorus (white) 340000.0 ppb Barium and compounds 1320000.0 ppb Nitrate 5300000.0 ppb Nickel and compounds 7120000.0 ppb Manganese and compounds 7680000.0 ppb Iron 50500000.0 ppb

Soil: Low Risk

Contaminants: Toluene 0.01 ppb Methyl ethyl ketone 0.01 ppb Acetone 0.03 ppb Indeno[1,2,3-cd]pyrene 0.05 ppb Methyl isobutyl ketone 0.07 ppb Benzo[k]fluoranthene 0.13 ppb DDD,4,4- 0.15 ppb Polychlorinated biphenyls (PCBs) 0.34 ppb Benzo[b]fluoranthene 0.37 ppb Mercury and compounds (inorganic) 0.42 ppb Methoxychlor 0.47 ppb Benzo[a]pyrene 0.5 ppb DDT 0.54 ppb DDE 0.54 ppb Anthracene 0.58 ppb Bis(2-ethylhexyl)phthalate (DEHP) 0.63 ppb Fluoranthene 0.64 ppb Silver and compounds 0.76 ppb Cadmium and compounds 0.8 ppb Acenaphthene 1.0 ppb Molybdenum 1.49 ppb Benz(a)anthracene 1.5 ppb Beryllium and compounds 1.51 ppb Fluorene 1.9 ppb Pyrene 2.6 ppb Chrysene 2.7 ppb Naphthalene 3.5 ppb Arsenic (noncancer) 5.99 ppb Selenium 8.03 ppb Methylnaphthalene,2 8.6 ppb Vanadium 89.98 ppb Copper and compounds 185.84 ppb Zinc 348.0 ppb Barium and compounds 852.28 ppb Lead 901.0 ppb Nickel and compounds 1851.65 ppb Manganese and compounds 5057.04 ppb Aluminum 22200.0 ppb Iron 48400.0 ppb

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Site ID: SITE 00078

TREASURE ISLAND NS HUNTERS PT ANNEX

Contaminated Sediments

Cost

$72.8M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2021

This site is under ongoing monitoring until Oct 2048

Contaminated Areas

Sediment (Marine): Medium Risk

Contaminants: Benzo(a)Pyrene 12.0 ppb Copper and compounds 100.0 ppb

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Site ID: SITE 00028

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

$26.9M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Feb 2015

This site is under ongoing monitoring until Oct 2045

Contaminated Areas

Groundwater: High Risk

Contaminants: 1,2-Dichloroethylene (trans) 400.0 ppb Acenaphthene 500.0 ppb Pentachlorophenol 500.0 ppb Mercury and compounds (inorganic) 570.0 ppb 1,1,1-Trichloroethane 600.0 ppb Carbon disulfide 600.0 ppb Beryllium and compounds 730.0 ppb Silver and compounds 740.0 ppb 2,4-Dimethylphenol 1000.0 ppb 1,2-Dichloroethylene (cis) 1000.0 ppb Benzo[k]fluoranthene 1000.0 ppb 1,3-Dichlorobenzene 1000.0 ppb Acetone 1000.0 ppb Dichloroethane, 1,1- 1000.0 ppb Dibutyl phthalate 1000.0 ppb Fluorene 1000.0 ppb Phenol 2000.0 ppb Anthracene 2000.0 ppb Benzo[b]fluoranthene 2000.0 ppb Benzo[a]pyrene 2000.0 ppb Benz(a)anthracene 2000.0 ppb Lead 2300.0 ppb Cadmium and compounds 2800.0 ppb Polychlorinated biphenyls (PCBs) 2900.0 ppb Chrysene 3000.0 ppb Methylnaphthalene,2 3000.0 ppb Toluene 4000.0 ppb 1,1,2-Trichloro-1,2,2-trifluoroethane 4000.0 ppb Carbazole 4000.0 ppb 1,4-Dichlorobenzene 6000.0 ppb Pyrene 6000.0 ppb Fluoranthene 6000.0 ppb Antimony and compounds 6100.0 ppb 1,2-Dichlorobenzene 9000.0 ppb Molybdenum 9400.0 ppb Chlorobenzene 10000.0 ppb Ethyl chloride 10000.0 ppb Trichlorofluoromethane 12000.0 ppb Chloroform 16000.0 ppb Vanadium 16450.0 ppb Carbon tetrachloride 17000.0 ppb Arsenic (cancer) 18100.0 ppb Benzene 22000.0 ppb Copper and compounds 26800.0 ppb Naphthalene 27000.0 ppb Zinc 39700.0 ppb 2,4,6-Trichlorophenol 48000.0 ppb Nickel and compounds 49990.0 ppb Selenium 50100.0 ppb Bis(2-ethylhexyl)phthalate (DEHP) 77000.0 ppb Ethylbenzene 79000.0 ppb Aluminum 82810.0 ppb Xylene (mixed) 100000.0 ppb Tetrachloroethylene (PCE) 380000.0 ppb Vinyl chloride 460000.0 ppb Barium and compounds 612510.0 ppb Iron 663000.0 ppb Methyl ethyl ketone 1300000.0 ppb 1,2-Dichloroethylene (mixture) 1600000.0 ppb Manganese and compounds 1990000.0 ppb Methylene chloride 2700000.0 ppb Trichloroethylene (TCE) 19000000.0 ppb

Sediment (Human): Low Risk

Contaminants: Hydrazine, hydrazine sulfate 0.07 ppb

Soil: Low Risk

Contaminants: Methyl isobutyl ketone 0.01 ppb Endosulfan 0.01 ppb Carbon tetrachloride 0.01 ppb DDE 0.01 ppb Methylene chloride 0.01 ppb Toluene 0.02 ppb DDT 0.02 ppb Acetone 0.02 ppb Chloroform 0.02 ppb Carbazole 0.03 ppb Acenaphthene 0.04 ppb Methylnaphthalene,2 0.04 ppb Ethylbenzene 0.05 ppb Anthracene 0.07 ppb Dibenz[ah]anthracene 0.08 ppb Bis(2-ethylhexyl)phthalate (DEHP) 0.13 ppb Indeno[1,2,3-cd]pyrene 0.18 ppb 1,2-Dichloroethylene (mixture) 0.24 ppb Benzo[k]fluoranthene 0.26 ppb Tetrachloroethylene (PCE) 0.28 ppb Benzo[a]pyrene 0.31 ppb Xylene (mixed) 0.39 ppb Benz(a)anthracene 0.51 ppb Beryllium and compounds 0.76 ppb Chrysene 0.9 ppb 4-Methylphenol 0.94 ppb Pyrene 1.5 ppb Trichloroethylene (TCE) 1.5 ppb Benzo[b]fluoranthene 1.6 ppb Cyanide (free) 1.83 ppb Fluoranthene 2.5 ppb Selenium 2.9 ppb Arsenic (noncancer) 20.3 ppb Mercury and compounds (inorganic) 23.97 ppb Cadmium and compounds 33.8 ppb Antimony and compounds 63.01 ppb Molybdenum 83.4 ppb Silver and compounds 110.48 ppb Vanadium 184.0 ppb Polychlorinated biphenyls (PCBs) 800.06 ppb Barium and compounds 1780.0 ppb Nickel and compounds 2879.1 ppb Lead 3200.0 ppb Zinc 4470.0 ppb Copper and compounds 8290.0 ppb Manganese and compounds 12100.0 ppb Aluminum 47900.0 ppb Iron 77800.0 ppb

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Site ID: SITE 00039

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

$124M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2015

This site is under ongoing monitoring until Oct 2045

Contaminated Areas

Groundwater: Medium Risk

Contaminants: Chlordane 30.0 ppb Polychlorinated biphenyls (PCBs) 630.0 ppb Cyanide (free) 940.0 ppb Selenium 2850.0 ppb Lead 4210.0 ppb Fluoranthene 8000.0 ppb Arsenic (cancer) 9800.0 ppb Pyrene 10000.0 ppb Vanadium 12350.0 ppb Bis(2-chloro-1-methylethyl)ether 41000.0 ppb 2,4-Dimethylphenol 45000.0 ppb Molybdenum 57700.0 ppb Toluene 60000.0 ppb Nickel and compounds 71360.0 ppb Methylnaphthalene,2 78000.0 ppb Barium and compounds 214760.0 ppb Naphthalene 220000.0 ppb Ethylbenzene 550000.0 ppb Manganese and compounds 1288190.0 ppb Xylene (mixed) 1300000.0 ppb Benzene 1500000.0 ppb Aluminum 4161900.0 ppb Iron 4903800.0 ppb

Soil: Medium Risk

Contaminants: Endosulfan 0.01 ppb Aldrin 0.01 ppb Carbon disulfide 0.01 ppb Xylene (mixed) 0.02 ppb DDE 0.03 ppb Methylene chloride 0.03 ppb DDD,4,4- 0.18 ppb Dibenz[ah]anthracene 0.22 ppb Pentachlorophenol 0.22 ppb Silver and compounds 0.25 ppb Polychlorinated biphenyls (PCBs) 0.27 ppb DDT 0.3 ppb Butyl benzyl phthalate 0.37 ppb Indeno[1,2,3-cd]pyrene 0.39 ppb Acetone 0.43 ppb Cyanide (free) 0.49 ppb Methylnaphthalene,2 0.6 ppb Toluene 0.61 ppb Benzo[a]pyrene 0.69 ppb Beryllium and compounds 0.73 ppb Acenaphthene 0.75 ppb Carbazole 0.76 ppb Fluorene 0.77 ppb Molybdenum 0.81 ppb Benz(a)anthracene 0.96 ppb Benzo[k]fluoranthene 1.1 ppb Bis(2-ethylhexyl)phthalate (DEHP) 1.29 ppb Benzo[b]fluoranthene 1.3 ppb Anthracene 1.5 ppb Selenium 1.5 ppb Naphthalene 1.5 ppb Cacodylic acid 2.01 ppb Mercury and compounds (inorganic) 2.4 ppb Chrysene 2.8 ppb Arsenic (noncancer) 7.02 ppb Fluoranthene 12.0 ppb Pyrene 14.0 ppb Antimony and compounds 17.3 ppb Vanadium 71.92 ppb Lead 165.37 ppb Barium and compounds 236.49 ppb Copper and compounds 1147.72 ppb Zinc 1220.0 ppb Manganese and compounds 1308.06 ppb Nickel and compounds 1523.81 ppb Aluminum 18900.0 ppb Iron 39428.7 ppb

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64 Inactive Sites

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

Site ID: SITE 00047

TREASURE ISLAND NS HUNTERS PT ANNEX

Underground Tank Farm

Cost

Unknown

Final Cleanup Action

Jan 2001

Contaminated Areas

Soil: Medium Risk

Contaminants: Silver and compounds 2.5 ppb Arsenic (cancer) 6.5 ppb Lead 132.0 ppb Copper and compounds 135.0 ppb Zinc 390.0 ppb Manganese 1120.0 ppb

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Site ID: SITE 00010

TREASURE ISLAND NS HUNTERS PT ANNEX

Surface Disposal Area

Cost

Unknown

Final Cleanup Action

Apr 2004

Contaminated Areas

Groundwater: Medium Risk

Contaminants: Naphthalene 400.0 ppb Chloroform 800.0 ppb Vinyl chloride 1000.0 ppb Beryllium and compounds 1400.0 ppb 1,2-Dichloroethylene (trans) 2000.0 ppb 1,2-Dichlorobenzene 2000.0 ppb Toluene 3100.0 ppb Cadmium and compounds 3400.0 ppb 1,3-Dichlorobenzene 5300.0 ppb Methyl ethyl ketone 7700.0 ppb Lead 8050.0 ppb Carbon disulfide 9000.0 ppb Arsenic (cancer) 9900.0 ppb Vanadium 14000.0 ppb 1,2-Dichloroethylene (cis) 15000.0 ppb Selenium 18370.0 ppb 1,2-Dichloroethylene (mixture) 19000.0 ppb Copper and compounds 24170.0 ppb Zinc 27880.0 ppb Trichloroethylene (TCE) 45000.0 ppb Antimony and compounds 46600.0 ppb Molybdenum 63000.0 ppb Nickel and compounds 63600.0 ppb Iron 68000.0 ppb Bis(2-ethylhexyl)phthalate (DEHP) 140000.0 ppb Nitrate 330000.0 ppb Barium and compounds 370000.0 ppb Manganese and compounds 4791930.0 ppb

Soil: Low Risk

Contaminants: Xylene (mixed) 0.03 ppb Mercury and compounds (inorganic) 0.4 ppb Indeno[1,2,3-cd]pyrene 0.57 ppb Fluoranthene 0.85 ppb Chrysene 1.1 ppb Benz(a)anthracene 1.1 ppb Pyrene 1.3 ppb Benzo[a]pyrene 1.3 ppb Benzo[b]fluoranthene 1.4 ppb Benzo[k]fluoranthene 1.4 ppb Arsenic (noncancer) 3.37 ppb Lead 8.41 ppb Copper and compounds 29.65 ppb Vanadium 59.72 ppb Zinc 62.95 ppb Barium and compounds 131.08 ppb Nickel and compounds 628.69 ppb Manganese and compounds 916.7 ppb Aluminum 16151.7 ppb Iron 35268.7 ppb

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Site ID: SITE 00022

TREASURE ISLAND NS HUNTERS PT ANNEX

Surface Disposal Area

Cost

Unknown

Final Cleanup Action

Aug 2001

Contaminated Areas

Sediment (Marine): High Risk

Contaminants: DDE,4,4- 0.01 ppb Mercury and compounds (inorganic) 0.34 ppb Arsenic (noncancer) 3.7 ppb Lead 22.8 ppb Copper and compounds 46.2 ppb Nickel and compounds 83.2 ppb Zinc 134.0 ppb

Groundwater: Medium Risk

Contaminants: Mercury and compounds (inorganic) 170.0 ppb Beryllium and compounds 310.0 ppb Pyrene 1000.0 ppb Methylnaphthalene,2 1000.0 ppb Cyanide (free) 1790.0 ppb Molybdenum 9600.0 ppb Bis(2-ethylhexyl)phthalate (DEHP) 17000.0 ppb Antimony and compounds 18980.0 ppb Lead 26140.0 ppb Copper and compounds 26350.0 ppb Nickel and compounds 27190.0 ppb Zinc 33730.0 ppb Arsenic (cancer) 62460.0 ppb Chloroform 84000.0 ppb Silver and compounds 90110.0 ppb Vanadium 140940.0 ppb Barium and compounds 181000.0 ppb Nitrate 550000.0 ppb Phosphorus (white) 690000.0 ppb Fluoride 1060000.0 ppb Manganese and compounds 9297460.0 ppb Aluminum 12333400.0 ppb Iron 21451800.0 ppb

Soil: Low Risk

Contaminants: Chlordane 0.01 ppb Phenol 0.04 ppb Benzo[b]fluoranthene 0.05 ppb Naphthalene 0.05 ppb Methylnaphthalene,2 0.05 ppb Fluoranthene 0.07 ppb Benzo[a]pyrene 0.07 ppb Benz(a)anthracene 0.07 ppb Cyanide (free) 0.08 ppb Chrysene 0.11 ppb Pyrene 0.12 ppb Benzo[k]fluoranthene 0.14 ppb Acetone 0.16 ppb Polychlorinated biphenyls (PCBs) 0.37 ppb Beryllium and compounds 0.87 ppb Selenium 0.92 ppb Cadmium and compounds 1.49 ppb Molybdenum 1.8 ppb Antimony and compounds 2.03 ppb Silver and compounds 2.27 ppb Arsenic (noncancer) 9.0 ppb Mercury and compounds (inorganic) 11.82 ppb Vanadium 127.0 ppb Lead 153.06 ppb Nickel and compounds 194.23 ppb Zinc 200.3 ppb Copper and compounds 260.0 ppb Barium and compounds 642.61 ppb Manganese and compounds 2130.0 ppb Aluminum 53277.2 ppb Iron 59225.1 ppb

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Site ID: SITE 00037

TREASURE ISLAND NS HUNTERS PT ANNEX

Storage Area

Cost

Unknown

Final Cleanup Action

Jul 2001

Contaminated Areas

Soil: High Risk

Contaminants: Ethylbenzene 0.01 ppb DDE 0.01 ppb Xylene (mixed) 0.02 ppb DDD,4,4- 0.02 ppb Anthracene 0.05 ppb Indeno[1,2,3-cd]pyrene 0.05 ppb Benzo[k]fluoranthene 0.1 ppb Acetone 0.11 ppb Benzo[a]pyrene 0.12 ppb Bis(2-ethylhexyl)phthalate (DEHP) 0.15 ppb Benz(a)anthracene 0.15 ppb Naphthalene 0.2 ppb Benzo[b]fluoranthene 0.25 ppb Mercury and compounds (inorganic) 0.26 ppb Chrysene 0.34 ppb Carbazole 0.34 ppb Beryllium and compounds 0.4 ppb Polychlorinated biphenyls (PCBs) 0.48 ppb Selenium 0.5 ppb Fluoranthene 0.68 ppb Pyrene 0.8 ppb Methylnaphthalene,2 0.86 ppb Cadmium and compounds 1.2 ppb Molybdenum 1.5 ppb Antimony and compounds 8.59 ppb Arsenic (noncancer) 9.49 ppb Copper and compounds 86.28 ppb Lead 92.14 ppb Vanadium 94.42 ppb Zinc 172.02 ppb Nickel and compounds 412.83 ppb Barium and compounds 500.14 ppb Manganese and compounds 2527.26 ppb Aluminum 23200.0 ppb Iron 38648.9 ppb

Groundwater: Low Risk

Contaminants: Selenium 2880.0 ppb Vanadium 3640.0 ppb Nickel and compounds 98970.0 ppb Barium and compounds 337560.0 ppb Aluminum 626470.0 ppb Iron 1429750.0 ppb Manganese and compounds 2172890.0 ppb

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Site ID: SITE 00063

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

May 2001

Contaminated Areas

Soil: Medium Risk

Contaminants: Antimony and compounds 2.5 ppb Arsenic (noncancer) 3.0 ppb Lead 8.0 ppb Copper and compounds 38.4 ppb Zinc 93.8 ppb Vanadium oxide 109.0 ppb Barium and compounds 638.0 ppb Nickel and compounds 949.0 ppb Manganese 1150.0 ppb Iron 47300.0 ppb Aluminum 53600.0 ppb

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Site ID: SITE 00071

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Aug 2001

Contaminated Areas

Soil: Low Risk

Contaminants: Nickel (Soluble Salts) 100.0 ppb

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Site ID: SITE 00040

TREASURE ISLAND NS HUNTERS PT ANNEX

Contaminated Buildings

Cost

Unknown

Final Cleanup Action

Feb 1996

Contaminated Areas

Sediment (Marine): Low Risk

Contaminants: Mercury and compounds (inorganic) 0.33 ppb Benz(a)anthracene 0.53 ppb Chrysene 0.62 ppb Phenanthrene 0.66 ppb Benzo[a]pyrene 0.71 ppb Fluoranthene 1.1 ppb Pyrene 1.5 ppb Arsenic (noncancer) 5.5 ppb Copper and compounds 37.7 ppb Nickel and compounds 73.2 ppb Lead 87.9 ppb Zinc 110.0 ppb

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Site ID: SITE 00034

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Mar 2010

Contaminated Areas

Groundwater: Medium Risk

Contaminants: Lead 1710.0 ppb Vanadium 8960.0 ppb Copper and compounds 11110.0 ppb Selenium 11790.0 ppb Nickel and compounds 13310.0 ppb Barium and compounds 40820.0 ppb Manganese and compounds 2630790.0 ppb

Soil: Low Risk

Contaminants: Methyl ethyl ketone 0.01 ppb Naphthalene 0.02 ppb Xylene (mixed) 0.03 ppb Carbazole 0.07 ppb Bis(2-ethylhexyl)phthalate (DEHP) 0.08 ppb Acetone 0.09 ppb Polychlorinated biphenyls (PCBs) 0.1 ppb Dibenz[ah]anthracene 0.1 ppb Anthracene 0.12 ppb Indeno[1,2,3-cd]pyrene 0.17 ppb Mercury and compounds (inorganic) 0.18 ppb Benzo[a]pyrene 0.33 ppb Benzo[k]fluoranthene 0.4 ppb Beryllium and compounds 0.65 ppb Chrysene 0.66 ppb Benzo[b]fluoranthene 0.68 ppb Benz(a)anthracene 0.73 ppb Silver and compounds 0.78 ppb Cadmium and compounds 1.8 ppb Fluoranthene 2.0 ppb Pyrene 2.6 ppb Arsenic (noncancer) 4.43 ppb Antimony and compounds 8.2 ppb Lead 41.76 ppb Zinc 97.85 ppb Vanadium 140.0 ppb Copper and compounds 141.9 ppb Nickel and compounds 249.0 ppb Barium and compounds 561.43 ppb Manganese and compounds 1710.0 ppb Aluminum 38800.0 ppb Iron 51700.0 ppb

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Site ID: SITE 00002

TREASURE ISLAND NS HUNTERS PT ANNEX

Contaminated Fill

Cost

Unknown

Final Cleanup Action

Dec 2003

Contaminated Areas

Groundwater: High Risk

Contaminants: DDD,4,4- 60.0 ppb DDT 180.0 ppb DDE 240.0 ppb 1,2-Dichloroethane (EDC) 1000.0 ppb 1,2-Dichloroethylene (mixture) 1000.0 ppb Toluene 2000.0 ppb Indeno[1,2,3-cd]pyrene 2000.0 ppb Benzo[a]pyrene 2000.0 ppb Fluoranthene 3000.0 ppb Benzene 3000.0 ppb Beryllium and compounds 3000.0 ppb 1,2-Dichlorobenzene 3000.0 ppb Benzo[b]fluoranthene 4000.0 ppb Chrysene 5000.0 ppb di-n-Octyl phthalate 6000.0 ppb Tetrachloroethylene (PCE) 6000.0 ppb Methylene chloride 7000.0 ppb Fluorene 7000.0 ppb Ethylbenzene 8000.0 ppb Acenaphthene 8000.0 ppb Pyrene 9000.0 ppb Benz(a)anthracene 9000.0 ppb Bis(2-ethylhexyl)phthalate (DEHP) 9800.0 ppb Carbon tetrachloride 11000.0 ppb Chloroform 14000.0 ppb Chlorobenzene 15000.0 ppb Dibutyl phthalate 15000.0 ppb Selenium 16300.0 ppb Xylene (mixed) 17000.0 ppb Carbon disulfide 18000.0 ppb 4-Nitrophenol 21000.0 ppb Phenol 24000.0 ppb Acetone 24000.0 ppb Pentachlorophenol 33000.0 ppb Polychlorinated biphenyls (PCBs) 51000.0 ppb 2-Chlorophenol 51000.0 ppb Naphthalene 52000.0 ppb Mercury and compounds (inorganic) 54000.0 ppb Arsenic (cancer) 65800.0 ppb Nitrite 66000.0 ppb Silver and compounds 68900.0 ppb Methylnaphthalene,2 85000.0 ppb Cadmium and compounds 113000.0 ppb Molybdenum 249000.0 ppb Antimony and compounds 771000.0 ppb Fluoride 780000.0 ppb Nitrate 1000000.0 ppb Vanadium 1210000.0 ppb Nickel and compounds 1470000.0 ppb Phosphorus (white) 4000000.0 ppb Barium and compounds 4250000.0 ppb Manganese and compounds 9310000.0 ppb Lead 10200000.0 ppb Copper and compounds 19800000.0 ppb Aluminum 29800000.0 ppb Zinc 31100000.0 ppb Iron 100000000.0 ppb Chlorine 51100000000.0 ppb

Soil: High Risk

Contaminants: Methyl ethyl ketone 0.01 ppb Methylene chloride 0.02 ppb Carbon disulfide 0.02 ppb Ethylbenzene 0.03 ppb DDE 0.04 ppb di-n-Octyl phthalate 0.09 ppb Pentachlorophenol 0.12 ppb Diethyl phthalate 0.13 ppb 1,2-Dichlorobenzene 0.13 ppb 4-Nitrophenol 0.14 ppb Dieldrin 0.14 ppb Cyanide (free) 0.15 ppb Toluene 0.18 ppb Methyl isobutyl ketone 0.19 ppb Acetone 0.2 ppb 4-Methylphenol 0.21 ppb DDT 0.25 ppb DDD,4,4- 0.3 ppb 2-Methyl-4-chlorophenoxyacetic acid 0.34 ppb Phenol 0.42 ppb Dibenz[ah]anthracene 0.57 ppb Dibutyl phthalate 0.61 ppb Trichloroethylene (TCE) 0.63 ppb Xylene (mixed) 0.73 ppb Beryllium and compounds 1.77 ppb Naphthalene 2.4 ppb Indeno[1,2,3-cd]pyrene 2.5 ppb Anthracene 3.46 ppb Selenium 4.09 ppb Benzo[a]pyrene 4.92 ppb Benzo[k]fluoranthene 5.69 ppb Benzo[b]fluoranthene 7.7 ppb Fluoranthene 13.22 ppb Pyrene 13.68 ppb Acenaphthene 14.0 ppb Butyl benzyl phthalate 15.53 ppb Fluorene 16.0 ppb Cadmium and compounds 18.7 ppb Bis(2-ethylhexyl)phthalate (DEHP) 18.88 ppb Chrysene 20.0 ppb Benz(a)anthracene 20.0 ppb Silver and compounds 24.0 ppb Polychlorinated biphenyls (PCBs) 45.0 ppb Mercury and compounds (inorganic) 93.0 ppb Antimony and compounds 198.0 ppb Vanadium 206.24 ppb Methylnaphthalene,2 210.0 ppb Arsenic (noncancer) 641.0 ppb Molybdenum 1445.89 ppb Nickel and compounds 1537.15 ppb Lead 6130.0 ppb Manganese and compounds 6140.0 ppb Copper and compounds 8280.0 ppb Zinc 14500.0 ppb Barium and compounds 16200.0 ppb Aluminum 35549.6 ppb Iron 198000.0 ppb

Sediment (Human): Medium Risk

Contaminants: Carbon disulfide 0.01 ppb Benzoic acid 0.04 ppb Anthracene 0.05 ppb 4-Nitrophenol 0.06 ppb Phenol 0.06 ppb DDD,4,4- 0.06 ppb HCH (beta) 0.07 ppb 4-Methylphenol 0.08 ppb Indeno[1,2,3-cd]pyrene 0.08 ppb Benzo[k]fluoranthene 0.08 ppb DDE 0.08 ppb DDT 0.09 ppb Pentachlorophenol 0.11 ppb Methylnaphthalene,2 0.12 ppb 1,4-Dichlorobenzene 0.13 ppb Benzo[a]pyrene 0.16 ppb Benz(a)anthracene 0.21 ppb Naphthalene 0.24 ppb Pyrene 0.38 ppb Benzo[b]fluoranthene 0.38 ppb Selenium 0.43 ppb Chrysene 0.48 ppb Fluoranthene 0.5 ppb Beryllium and compounds 0.64 ppb Polychlorinated biphenyls (PCBs) 1.6 ppb Mercury and compounds (inorganic) 1.9 ppb Cadmium and compounds 3.4 ppb Arsenic (noncancer) 18.7 ppb Silver and compounds 20.5 ppb Molybdenum 41.7 ppb Vanadium 79.3 ppb Antimony and compounds 147.0 ppb Barium and compounds 296.0 ppb Nickel and compounds 368.0 ppb Manganese and compounds 973.0 ppb Copper and compounds 1650.0 ppb Zinc 4350.0 ppb Lead 9030.0 ppb Aluminum 22400.0 ppb Iron 57000.0 ppb

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Site ID: SITE 00003

TREASURE ISLAND NS HUNTERS PT ANNEX

Surface Impoundment/Lagoon

Cost

Unknown

Final Cleanup Action

Sep 2002

Contaminated Areas

Groundwater: High Risk

Contaminants: Tetrachloroethylene (PCE) 1000.0 ppb Mercury and compounds (inorganic) 2000.0 ppb 1,1-Dichloroethylene 2000.0 ppb 2-Chlorophenol 2000.0 ppb Silver and compounds 2700.0 ppb Benzo[b]fluoranthene 3000.0 ppb 1,2-Dichloroethylene (mixture) 3000.0 ppb Benz(a)anthracene 3000.0 ppb Beryllium and compounds 3400.0 ppb 1,2-Dichloroethane (EDC) 4000.0 ppb 1,2-Dichlorobenzene 4000.0 ppb 4-Methylphenol 5000.0 ppb Cadmium and compounds 5600.0 ppb Methyl isobutyl ketone 6000.0 ppb Toluene 6000.0 ppb Pentachlorophenol 6000.0 ppb Fluoranthene 12000.0 ppb Acetone 12000.0 ppb Ethylbenzene 13000.0 ppb Anthracene 13000.0 ppb Benzene 13000.0 ppb Chrysene 15000.0 ppb Trichloroethylene (TCE) 15000.0 ppb Fluorene 21000.0 ppb Acenaphthene 22000.0 ppb Carbon disulfide 24000.0 ppb Pyrene 26000.0 ppb Styrene 27000.0 ppb Xylene (mixed) 32000.0 ppb Selenium 32000.0 ppb 1,3-Dichlorobenzene 36000.0 ppb Molybdenum 37800.0 ppb Bis(2-ethylhexyl)phthalate (DEHP) 42000.0 ppb Methylnaphthalene,2 47000.0 ppb Naphthalene 53000.0 ppb 2-Methylphenol 60000.0 ppb Antimony and compounds 63900.0 ppb 1,4-Dichlorobenzene 84000.0 ppb Vanadium 125000.0 ppb Chlorobenzene 150000.0 ppb 2,4-Dimethylphenol 220000.0 ppb Polychlorinated biphenyls (PCBs) 290000.0 ppb Phosphorus (white) 390000.0 ppb Fluoride 520000.0 ppb Lead 613000.0 ppb Nitrate 1000000.0 ppb Nickel and compounds 1140000.0 ppb Arsenic (cancer) 1180000.0 ppb Zinc 2400000.0 ppb Manganese and compounds 3030000.0 ppb Copper and compounds 3240000.0 ppb Barium and compounds 19400000.0 ppb Aluminum 37000000.0 ppb Iron 75400000.0 ppb Chlorine 13700000000.0 ppb

Soil: High Risk

Contaminants: Methylene chloride 0.01 ppb Methyl ethyl ketone 0.02 ppb Methyl isobutyl ketone 0.03 ppb DDT 0.05 ppb Toluene 0.06 ppb Diethyl phthalate 0.08 ppb Naphthalene 0.23 ppb Selenium 0.28 ppb N-Nitroso di-n-propylamine 0.49 ppb 1,4-Dichlorobenzene 0.64 ppb 2,4-Dinitrotoluene 0.76 ppb 1,2,4-Trichlorobenzene 0.8 ppb Fluorene 0.82 ppb Acenaphthene 0.97 ppb Benzoic acid 1.1 ppb 2-Chlorophenol 1.5 ppb 4-Nitrophenol 1.6 ppb Beryllium and compounds 1.6 ppb Phenol 1.7 ppb Pentachlorophenol 1.9 ppb Cadmium and compounds 1.94 ppb Anthracene 2.1 ppb Dibenz[ah]anthracene 2.1 ppb Butyl benzyl phthalate 2.8 ppb Silver and compounds 2.9 ppb Mercury and compounds (inorganic) 3.55 ppb Benzo[k]fluoranthene 6.9 ppb Indeno[1,2,3-cd]pyrene 9.8 ppb Benzo[a]pyrene 11.0 ppb Polychlorinated biphenyls (PCBs) 12.0 ppb Antimony and compounds 12.8 ppb Benz(a)anthracene 14.0 ppb Chrysene 19.0 ppb Arsenic (noncancer) 19.25 ppb Bis(2-ethylhexyl)phthalate (DEHP) 20.0 ppb Pyrene 21.0 ppb Fluoranthene 28.0 ppb Benzo[b]fluoranthene 30.0 ppb Vanadium 124.55 ppb Molybdenum 170.0 ppb Lead 453.0 ppb Nickel and compounds 545.09 ppb Barium and compounds 2170.0 ppb Zinc 2310.0 ppb Manganese and compounds 7730.0 ppb Copper and compounds 10500.0 ppb Aluminum 34400.0 ppb Iron 116000.0 ppb

Sediment (Human): Medium Risk

Contaminants: Benzo[a]pyrene 0.07 ppb Benz(a)anthracene 0.08 ppb Chrysene 0.09 ppb Pyrene 0.13 ppb Benzo[b]fluoranthene 0.16 ppb Fluoranthene 0.21 ppb Mercury and compounds (inorganic) 0.51 ppb Cadmium and compounds 0.78 ppb Molybdenum 2.6 ppb Arsenic (noncancer) 4.5 ppb Antimony and compounds 6.1 ppb Vanadium 33.3 ppb Barium and compounds 34.2 ppb Lead 54.3 ppb Copper and compounds 76.6 ppb Nickel and compounds 171.0 ppb Zinc 174.0 ppb Manganese and compounds 1100.0 ppb Aluminum 6480.0 ppb Iron 22800.0 ppb

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Site ID: SITE 00004

TREASURE ISLAND NS HUNTERS PT ANNEX

Surface Disposal Area

Cost

Unknown

Final Cleanup Action

Sep 2002

Contaminated Areas

Soil: Medium Risk

Contaminants: Toluene 0.01 ppb Trichloroethylene (TCE) 0.01 ppb Acetone 0.02 ppb Xylene (mixed) 0.03 ppb Acenaphthene 0.04 ppb Phenol 0.05 ppb Tetrachloroethylene (PCE) 0.05 ppb Benzo[k]fluoranthene 0.16 ppb Anthracene 0.22 ppb Dibutyl phthalate 0.22 ppb Benzo[a]pyrene 0.24 ppb Benz(a)anthracene 0.29 ppb Indeno[1,2,3-cd]pyrene 0.32 ppb Chrysene 0.45 ppb Bis(2-ethylhexyl)phthalate (DEHP) 0.65 ppb Benzo[b]fluoranthene 0.66 ppb Beryllium and compounds 0.83 ppb Naphthalene 0.95 ppb Pyrene 1.05 ppb Fluoranthene 1.29 ppb Methylnaphthalene,2 2.4 ppb Selenium 4.51 ppb Silver and compounds 5.9 ppb Cadmium and compounds 11.82 ppb Arsenic (noncancer) 12.63 ppb Polychlorinated biphenyls (PCBs) 25.12 ppb Mercury and compounds (inorganic) 46.67 ppb Molybdenum 46.83 ppb Vanadium 120.68 ppb Barium and compounds 346.91 ppb Antimony and compounds 409.44 ppb Manganese and compounds 1814.09 ppb Nickel and compounds 2050.0 ppb Zinc 4104.96 ppb Copper and compounds 10400.0 ppb Lead 11215.9 ppb Aluminum 25600.0 ppb Iron 139925.0 ppb

Groundwater: Low Risk

Contaminants: Mercury and compounds (inorganic) 340.0 ppb 1,2-Dichloroethane (EDC) 1000.0 ppb Xylene (mixed) 1000.0 ppb Ethylbenzene 2000.0 ppb 1,1,2,2-Tetrachloroethane 2000.0 ppb Carbon disulfide 4000.0 ppb Diethyl phthalate 5000.0 ppb Silver and compounds 5800.0 ppb Acetone 9000.0 ppb 1,2-Dichloroethylene (mixture) 10000.0 ppb Zinc 10800.0 ppb Cadmium and compounds 13000.0 ppb Lead 15390.0 ppb Copper and compounds 16660.0 ppb Trichloroethylene (TCE) 22670.0 ppb Molybdenum 23000.0 ppb Aluminum 26720.0 ppb 1,1-Dichloroethylene 37650.0 ppb Antimony and compounds 40300.0 ppb Vanadium 40500.0 ppb Tetrachloroethylene (PCE) 51840.0 ppb Dichloroethane, 1,1- 55320.0 ppb Bis(2-ethylhexyl)phthalate (DEHP) 70000.0 ppb 1,1,1-Trichloroethane 159160.0 ppb Arsenic (cancer) 208000.0 ppb Nickel and compounds 302000.0 ppb Iron 353000.0 ppb Barium and compounds 470000.0 ppb Nitrate 2400000.0 ppb Manganese and compounds 3870000.0 ppb

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Site ID: SITE 00005

TREASURE ISLAND NS HUNTERS PT ANNEX

Storage Area

Cost

Unknown

Final Cleanup Action

Sep 2002

Contaminated Areas

Groundwater: Medium Risk

Contaminants: Polychlorinated biphenyls (PCBs) 790.0 ppb Beryllium and compounds 980.0 ppb Chlorobenzene 1000.0 ppb Ethylbenzene 2000.0 ppb 2,4-Dimethylphenol 2000.0 ppb 4-Methylphenol 2000.0 ppb Tetrachloroethylene (PCE) 2000.0 ppb Xylene (mixed) 2000.0 ppb Benz(a)anthracene 2000.0 ppb Trichloroethylene (TCE) 2000.0 ppb Selenium 2900.0 ppb Bis(2-ethylhexyl)phthalate (DEHP) 4000.0 ppb Methylene chloride 4000.0 ppb Dichloroethane, 1,1- 4000.0 ppb Anthracene 5000.0 ppb Cadmium and compounds 7200.0 ppb 1,2-Dichloroethylene (mixture) 10000.0 ppb Pyrene 11000.0 ppb Mercury and compounds (inorganic) 11000.0 ppb Vanadium 12200.0 ppb Fluoranthene 15000.0 ppb Fluorene 20000.0 ppb Lead 31390.0 ppb Methylnaphthalene,2 36000.0 ppb Antimony and compounds 37200.0 ppb Acenaphthene 42000.0 ppb Copper and compounds 53500.0 ppb Molybdenum 72200.0 ppb Nickel and compounds 79300.0 ppb Aluminum 109000.0 ppb Arsenic (cancer) 148000.0 ppb Naphthalene 210000.0 ppb Barium and compounds 489090.0 ppb Iron 638910.0 ppb Nitrate 1100000.0 ppb Manganese and compounds 6620000.0 ppb

Soil: Medium Risk

Contaminants: DDE 0.01 ppb Acetone 0.02 ppb DDD,4,4- 0.04 ppb Anthracene 0.06 ppb DDT 0.09 ppb Benzo[k]fluoranthene 0.15 ppb Benz(a)anthracene 0.18 ppb Benzo[a]pyrene 0.2 ppb Indeno[1,2,3-cd]pyrene 0.3 ppb Fluoranthene 0.36 ppb Benzo[b]fluoranthene 0.58 ppb Naphthalene 0.59 ppb Pentachlorophenol 0.61 ppb Pyrene 0.8 ppb Dibutyl phthalate 0.93 ppb Chrysene 0.95 ppb Bis(2-ethylhexyl)phthalate (DEHP) 1.04 ppb Beryllium and compounds 1.59 ppb Methylnaphthalene,2 1.66 ppb Molybdenum 2.76 ppb Mercury and compounds (inorganic) 4.8 ppb Polychlorinated biphenyls (PCBs) 4.81 ppb Cadmium and compounds 6.46 ppb Silver and compounds 6.52 ppb Arsenic (noncancer) 11.58 ppb Antimony and compounds 12.75 ppb Vanadium 152.98 ppb Lead 373.49 ppb Copper and compounds 471.56 ppb Barium and compounds 642.14 ppb Zinc 1399.94 ppb Nickel and compounds 1860.0 ppb Manganese and compounds 1949.39 ppb Aluminum 51518.7 ppb Iron 64068.0 ppb

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Site ID: SITE 00008

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Jul 2001

Contaminated Areas

Groundwater: Medium Risk

Contaminants: Benzo[k]fluoranthene 30.0 ppb DDT 30.0 ppb Benzo[b]fluoranthene 70.0 ppb Benzo[a]pyrene 120.0 ppb Beryllium and compounds 540.0 ppb Mercury and compounds (inorganic) 800.0 ppb Xylene (mixed) 1000.0 ppb Toluene 2000.0 ppb Polychlorinated biphenyls (PCBs) 4400.0 ppb Arsenic (cancer) 4700.0 ppb Vanadium 7900.0 ppb Carbon disulfide 9000.0 ppb Copper and compounds 9100.0 ppb 4-Nitrophenol 20000.0 ppb Antimony and compounds 25500.0 ppb Molybdenum 30600.0 ppb Nickel and compounds 41400.0 ppb Zinc 57300.0 ppb Aluminum 108000.0 ppb Barium and compounds 408000.0 ppb Iron 1290000.0 ppb Nitrate 8700000.0 ppb Manganese and compounds 13827200.0 ppb

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Site ID: SITE 00009

TREASURE ISLAND NS HUNTERS PT ANNEX

Surface Disposal Area

Cost

Unknown

Final Cleanup Action

Jul 2001

Contaminated Areas

Groundwater: Medium Risk

Contaminants: Benzo[k]fluoranthene 80.0 ppb Benzo[b]fluoranthene 200.0 ppb Mercury and compounds (inorganic) 220.0 ppb Fluoranthene 230.0 ppb 1,4-Dichlorobenzene 300.0 ppb Indeno[1,2,3-cd]pyrene 300.0 ppb Pyrene 310.0 ppb Benzo[a]pyrene 310.0 ppb 1,2-Dichlorobenzene 500.0 ppb Fluorene 630.0 ppb Silver and compounds 1700.0 ppb Lead 1800.0 ppb Selenium 3800.0 ppb Chloroform 7300.0 ppb Arsenic (cancer) 9600.0 ppb Cyanide (free) 12000.0 ppb Copper and compounds 23370.0 ppb Zinc 30400.0 ppb Antimony and compounds 33300.0 ppb Molybdenum 33500.0 ppb Vanadium 36500.0 ppb Bis(2-ethylhexyl)phthalate (DEHP) 39000.0 ppb Acenaphthene 83000.0 ppb Nickel and compounds 185000.0 ppb Barium and compounds 563000.0 ppb Fluoride 600000.0 ppb Aluminum 1430000.0 ppb Nitrate 1700000.0 ppb Iron 2330000.0 ppb Manganese and compounds 5750000.0 ppb Phosphorus (white) 13100000.0 ppb

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Site ID: SITE 00011

TREASURE ISLAND NS HUNTERS PT ANNEX

Surface Disposal Area

Cost

Unknown

Final Cleanup Action

Sep 2002

Contaminated Areas

Groundwater: Low Risk

Contaminants: Carbon tetrachloride 2000.0 ppb Dichloroethane, 1,1- 3000.0 ppb Arsenic (cancer) 5000.0 ppb Iron 6300.0 ppb Barium and compounds 35000.0 ppb Tetrachloroethylene (PCE) 38000.0 ppb Manganese and compounds 144990.0 ppb Nitrate 200000.0 ppb

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Site ID: SITE 00012

TREASURE ISLAND NS HUNTERS PT ANNEX

Surface Disposal Area

Cost

Unknown

Final Cleanup Action

Sep 2002

Contaminated Areas

Soil: High Risk

Contaminants: 1,2-Dichloroethylene (mixture) 0.01 ppb Methylene chloride 0.01 ppb Methyl ethyl ketone 0.01 ppb DDE 0.02 ppb Aldrin 0.03 ppb 1,1,1-Trichloroethane 0.03 ppb Phenol 0.07 ppb Diethyl phthalate 0.09 ppb DDD,4,4- 0.12 ppb Trichloroethylene (TCE) 0.12 ppb Toluene 0.14 ppb Benzoic acid 0.14 ppb Butyl benzyl phthalate 0.14 ppb Dibutyl phthalate 0.15 ppb Dibenz[ah]anthracene 0.17 ppb 2-Methylphenol 0.18 ppb 1,2,4-Trichlorobenzene 0.24 ppb Fluorene 0.24 ppb Acenaphthene 0.3 ppb Anthracene 0.46 ppb Dimethyl phthalate 0.48 ppb di-n-Octyl phthalate 0.49 ppb 4-Methylphenol 0.59 ppb Benzo[k]fluoranthene 0.59 ppb Indeno[1,2,3-cd]pyrene 0.81 ppb DDT 0.87 ppb Benzo[a]pyrene 1.0 ppb Beryllium and compounds 1.0 ppb Methylnaphthalene,2 1.0 ppb Silver and compounds 1.1 ppb Cyanide (free) 1.2 ppb Benz(a)anthracene 1.4 ppb Selenium 1.4 ppb Chlorobenzene 1.8 ppb Benzo[b]fluoranthene 1.8 ppb Pyrene 2.1 ppb Chrysene 2.3 ppb Mercury and compounds (inorganic) 2.3 ppb Fluoranthene 2.6 ppb Naphthalene 3.6 ppb Ethylbenzene 4.8 ppb Polychlorinated biphenyls (PCBs) 6.9 ppb 2,4-Dimethylphenol 7.4 ppb Arsenic (noncancer) 7.7 ppb Pentachlorophenol 10.0 ppb Antimony and compounds 11.2 ppb Cadmium and compounds 11.3 ppb Molybdenum 14.6 ppb Xylene (mixed) 62.0 ppb Bis(2-ethylhexyl)phthalate (DEHP) 80.0 ppb Vanadium 157.0 ppb Lead 1080.0 ppb Barium and compounds 1450.0 ppb Manganese and compounds 1590.0 ppb Nickel and compounds 1770.0 ppb Zinc 4200.0 ppb Copper and compounds 7920.0 ppb Aluminum 29229.4 ppb Iron 78800.0 ppb

Groundwater: Low Risk

Contaminants: Beryllium and compounds 300.0 ppb Benzene 1000.0 ppb 1,1-Dichloroethylene 1000.0 ppb Trichloroethylene (TCE) 1000.0 ppb Selenium 1750.0 ppb 1,2-Dichloroethane (EDC) 2000.0 ppb 4-Methylphenol 3560.0 ppb Copper and compounds 3600.0 ppb Chloromethane 4000.0 ppb 2,4-Dimethylphenol 5000.0 ppb Tetrachloroethylene (PCE) 6880.0 ppb Vanadium 7500.0 ppb Zinc 8100.0 ppb Lead 10760.0 ppb 1,1,1-Trichloroethane 12000.0 ppb Carbon disulfide 12300.0 ppb Methyl isobutyl ketone 20000.0 ppb Anthracene 21000.0 ppb Pyrene 24000.0 ppb Xylene (mixed) 27900.0 ppb Acenaphthene 28000.0 ppb Dichloroethane, 1,1- 28130.0 ppb Antimony and compounds 30500.0 ppb Chrysene 35000.0 ppb Ethylbenzene 51000.0 ppb Chlorobenzene 56000.0 ppb Arsenic (cancer) 62800.0 ppb Molybdenum 66500.0 ppb Fluorene 100000.0 ppb Methylnaphthalene,2 150990.0 ppb Nickel and compounds 213560.0 ppb Aluminum 341000.0 ppb Barium and compounds 1090000.0 ppb Nitrate 1700000.0 ppb Manganese and compounds 2180000.0 ppb Iron 4113260.0 ppb

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Site ID: SITE 00013

TREASURE ISLAND NS HUNTERS PT ANNEX

Surface Disposal Area

Cost

Unknown

Final Cleanup Action

Sep 2001

Contaminated Areas

Soil: Medium Risk

Contaminants: Tetrachloroethylene (PCE) 0.01 ppb 1,1,1-Trichloroethane 0.01 ppb 1,1-Dichloroethylene 0.01 ppb Benzoic acid 0.28 ppb Beryllium and compounds 0.68 ppb Molybdenum 0.94 ppb Polychlorinated biphenyls (PCBs) 1.8 ppb Selenium 2.3 ppb Antimony and compounds 3.69 ppb Cadmium and compounds 3.75 ppb Arsenic (noncancer) 6.42 ppb Mercury and compounds (inorganic) 12.45 ppb Vanadium 67.6 ppb Barium and compounds 160.46 ppb Nickel and compounds 261.3 ppb Lead 495.21 ppb Manganese and compounds 858.13 ppb Zinc 2901.29 ppb Copper and compounds 3928.78 ppb Aluminum 21614.1 ppb Iron 36031.8 ppb

Groundwater: Low Risk

Contaminants: 1,2-Dichloroethylene (mixture) 2000.0 ppb Carbon disulfide 2000.0 ppb Silver and compounds 3100.0 ppb Vanadium 4770.0 ppb Arsenic (cancer) 5300.0 ppb Copper and compounds 9300.0 ppb Lead 14320.0 ppb Molybdenum 25190.0 ppb Aluminum 29560.0 ppb Antimony and compounds 36100.0 ppb Nickel and compounds 38080.0 ppb Barium and compounds 189000.0 ppb Iron 699000.0 ppb Bis(2-ethylhexyl)phthalate (DEHP) 1375960.0 ppb Manganese and compounds 6640000.0 ppb

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Site ID: SITE 00015

TREASURE ISLAND NS HUNTERS PT ANNEX

Surface Impoundment/Lagoon

Cost

Unknown

Final Cleanup Action

Jul 2003

Contaminated Areas

Groundwater: Medium Risk

Contaminants: Trichloroethylene (TCE) 1000.0 ppb Beryllium and compounds 1200.0 ppb Benz(a)anthracene 3000.0 ppb Zinc 4670.0 ppb Silver and compounds 7500.0 ppb Anthracene 8000.0 ppb Copper and compounds 8300.0 ppb Dichloroethane, 1,1- 8710.0 ppb Acenaphthene 12000.0 ppb Fluorene 12000.0 ppb Chrysene 13000.0 ppb Pyrene 17000.0 ppb Selenium 17350.0 ppb Vanadium 20820.0 ppb Nickel and compounds 26400.0 ppb Antimony and compounds 30600.0 ppb Aluminum 31930.0 ppb Methylnaphthalene,2 34000.0 ppb Molybdenum 66800.0 ppb Arsenic (cancer) 67600.0 ppb Bis(2-ethylhexyl)phthalate (DEHP) 110000.0 ppb Lead 127030.0 ppb Barium and compounds 278860.0 ppb Iron 449640.0 ppb Nitrate 730000.0 ppb Manganese and compounds 1189010.0 ppb Phosphorus (white) 4600000.0 ppb

Soil: Medium Risk

Contaminants: DDE 0.01 ppb Indeno[1,2,3-cd]pyrene 0.04 ppb Benzo[a]pyrene 0.05 ppb Benzo[b]fluoranthene 0.06 ppb DDT 0.06 ppb Chrysene 0.07 ppb Benz(a)anthracene 0.07 ppb Fluoranthene 0.15 ppb Pyrene 0.2 ppb Cadmium and compounds 0.84 ppb Beryllium and compounds 1.2 ppb Silver and compounds 1.28 ppb Mercury and compounds (inorganic) 1.4 ppb Molybdenum 6.4 ppb Arsenic (noncancer) 7.85 ppb Antimony and compounds 9.39 ppb Lead 140.0 ppb Copper and compounds 144.0 ppb Vanadium 159.0 ppb Zinc 377.0 ppb Barium and compounds 1560.0 ppb Nickel and compounds 1864.49 ppb Manganese and compounds 6860.0 ppb Aluminum 23100.0 ppb Iron 57500.0 ppb

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Site ID: SITE 00016

TREASURE ISLAND NS HUNTERS PT ANNEX

Storage Area

Cost

Unknown

Final Cleanup Action

Aug 2001

Contaminated Areas

Groundwater: Medium Risk

Contaminants: Silver and compounds 9200.0 ppb Nickel and compounds 63000.0 ppb Molybdenum 85900.0 ppb Barium and compounds 103000.0 ppb Aluminum 322000.0 ppb Manganese and compounds 4400000.0 ppb

Soil: Low Risk

Contaminants: Toluene 0.13 ppb Mercury and compounds (inorganic) 0.22 ppb Pyrene 0.44 ppb Fluoranthene 0.46 ppb Beryllium and compounds 0.96 ppb Silver and compounds 1.5 ppb Selenium 2.8 ppb Molybdenum 8.2 ppb Arsenic (noncancer) 8.3 ppb Cadmium and compounds 11.1 ppb Antimony and compounds 85.5 ppb Lead 101.0 ppb Copper and compounds 119.0 ppb Vanadium 125.0 ppb Zinc 132.0 ppb Nickel and compounds 210.0 ppb Barium and compounds 443.0 ppb Manganese and compounds 3140.0 ppb Aluminum 28300.0 ppb Iron 48500.0 ppb

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Site ID: SITE 00017

TREASURE ISLAND NS HUNTERS PT ANNEX

Storage Area

Cost

Unknown

Final Cleanup Action

Jun 2001

Contaminated Areas

Groundwater: High Risk

Contaminants: Copper and compounds 1600.0 ppb Silver and compounds 2300.0 ppb 1,2-Dichloroethylene (mixture) 5000.0 ppb Molybdenum 8400.0 ppb Zinc 13600.0 ppb Antimony and compounds 28000.0 ppb Arsenic (cancer) 32500.0 ppb Barium and compounds 53500.0 ppb Iron 447940.0 ppb Nitrate 480000.0 ppb Manganese and compounds 1520000.0 ppb Phosphorus (white) 2200000.0 ppb

Soil: Medium Risk

Contaminants: Beryllium and compounds 0.26 ppb Cadmium and compounds 0.33 ppb Lead 5.7 ppb Arsenic (noncancer) 8.11 ppb Copper and compounds 10.6 ppb Barium and compounds 29.7 ppb Vanadium 33.1 ppb Zinc 33.7 ppb Nickel and compounds 49.3 ppb Manganese and compounds 689.17 ppb Aluminum 7660.0 ppb Iron 18700.0 ppb

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Site ID: SITE 00018

TREASURE ISLAND NS HUNTERS PT ANNEX

Storage Area

Cost

Unknown

Final Cleanup Action

Oct 1997

Contaminated Areas

Groundwater: Medium Risk

Contaminants: Mercury and compounds (inorganic) 20.0 ppb Copper and compounds 2400.0 ppb Methylnaphthalene,2 3000.0 ppb Beryllium and compounds 3680.0 ppb Chlorobenzene 4000.0 ppb Fluoranthene 5000.0 ppb Arsenic (cancer) 5670.0 ppb Lead 5780.0 ppb Pyrene 6000.0 ppb Methylene chloride 7500.0 ppb Cadmium and compounds 9450.0 ppb Vanadium 10000.0 ppb Bis(2-ethylhexyl)phthalate (DEHP) 11000.0 ppb Carbon disulfide 13000.0 ppb Silver and compounds 17020.0 ppb Antimony and compounds 17700.0 ppb Selenium 19020.0 ppb Aluminum 38000.0 ppb Nickel and compounds 38580.0 ppb Zinc 49530.0 ppb Barium and compounds 187620.0 ppb Iron 352000.0 ppb Fluoride 382000.0 ppb Phosphorus (white) 600000.0 ppb Manganese and compounds 2616990.0 ppb Nitrate 5100000.0 ppb

Soil: Low Risk

Contaminants: DDT 0.01 ppb Chlordane, gamma- 0.01 ppb DDE 0.01 ppb DDD,4,4- 0.02 ppb Methyl ethyl ketone 0.02 ppb Methyl isobutyl ketone 0.03 ppb Indeno[1,2,3-cd]pyrene 0.07 ppb Benzo[b]fluoranthene 0.09 ppb Benzo[a]pyrene 0.13 ppb Toluene 0.16 ppb Benz(a)anthracene 0.19 ppb Fluoranthene 0.27 ppb Acetone 0.27 ppb Chrysene 0.3 ppb 2,6-Dinitrotoluene 0.3 ppb Polychlorinated biphenyls (PCBs) 0.35 ppb Beryllium and compounds 0.41 ppb Pyrene 0.57 ppb Mercury and compounds (inorganic) 3.7 ppb Silver and compounds 9.3 ppb Arsenic (noncancer) 13.9 ppb Cadmium and compounds 14.9 ppb Antimony and compounds 61.4 ppb Vanadium 71.2 ppb Copper and compounds 229.0 ppb Barium and compounds 288.0 ppb Lead 409.0 ppb Zinc 704.0 ppb Manganese and compounds 1050.0 ppb Nickel and compounds 1230.0 ppb Aluminum 29100.0 ppb Iron 52700.0 ppb

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Site ID: SITE 00019

TREASURE ISLAND NS HUNTERS PT ANNEX

Contaminated Fill

Cost

Unknown

Final Cleanup Action

Nov 1995

Contaminated Areas

Groundwater: Low Risk

Contaminants: DDD,4,4- 10.0 ppb

Soil: Low Risk

Contaminants: Endrin 0.01 ppb DDE 0.01 ppb DDT 0.02 ppb Mercury and compounds (inorganic) 0.12 ppb Methylnaphthalene,2 0.12 ppb Chrysene 0.18 ppb Beryllium and compounds 0.4 ppb N-Nitrosodiphenylamine 0.52 ppb Polychlorinated biphenyls (PCBs) 0.62 ppb Silver and compounds 0.68 ppb Molybdenum 1.9 ppb Cadmium and compounds 2.0 ppb Arsenic (noncancer) 9.1 ppb Antimony and compounds 12.2 ppb Lead 14.0 ppb Vanadium 92.5 ppb Barium and compounds 147.0 ppb Copper and compounds 149.0 ppb Zinc 228.0 ppb Manganese and compounds 1370.0 ppb Nickel and compounds 1400.0 ppb Aluminum 31000.0 ppb Iron 44200.0 ppb

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Site ID: SITE 00020

TREASURE ISLAND NS HUNTERS PT ANNEX

Surface Disposal Area

Cost

Unknown

Final Cleanup Action

Oct 1997

Contaminated Areas

Groundwater: Medium Risk

Contaminants: Beryllium and compounds 300.0 ppb Cyanide (free) 1020.0 ppb Silver and compounds 1490.0 ppb Mercury and compounds (inorganic) 2030.0 ppb Cadmium and compounds 3760.0 ppb 1,2-Dichloroethylene (mixture) 4000.0 ppb Selenium 4680.0 ppb Molybdenum 6180.0 ppb Vanadium 6690.0 ppb Benzene 10000.0 ppb Copper and compounds 24820.0 ppb Antimony and compounds 26300.0 ppb Aluminum 40780.0 ppb Bis(2-ethylhexyl)phthalate (DEHP) 42000.0 ppb Arsenic (cancer) 59170.0 ppb Lead 67200.0 ppb Nickel and compounds 122050.0 ppb Fluoride 477000.0 ppb Barium and compounds 1024380.0 ppb Phosphorus (white) 2500000.0 ppb Zinc 2796090.0 ppb Nitrate 8700000.0 ppb Iron 15630500.0 ppb Manganese and compounds 18215000.0 ppb

Sediment (Human): Low Risk

Contaminants: Mercury and compounds (inorganic) 2.2 ppb Arsenic (noncancer) 7.4 ppb Molybdenum 18.1 ppb Silver and compounds 23.6 ppb Vanadium 72.3 ppb Polychlorinated biphenyls (PCBs) 98.0 ppb Cadmium and compounds 105.0 ppb Nickel and compounds 165.0 ppb Manganese and compounds 348.0 ppb Copper and compounds 557.0 ppb Antimony and compounds 622.0 ppb Barium and compounds 1520.0 ppb Lead 1960.0 ppb Aluminum 4610.0 ppb Zinc 11700.0 ppb Iron 36700.0 ppb

Soil: Low Risk

Contaminants: Ethylbenzene 0.01 ppb Xylene (mixed) 0.14 ppb Cyanide (free) 0.15 ppb Polychlorinated biphenyls (PCBs) 0.34 ppb Nitrate 0.36 ppb Silver and compounds 1.24 ppb Beryllium and compounds 1.28 ppb Mercury and compounds (inorganic) 2.55 ppb Molybdenum 3.3 ppb Methylnaphthalene,2 3.9 ppb Arsenic (noncancer) 11.2 ppb Vanadium 125.0 ppb Zinc 274.64 ppb Copper and compounds 743.67 ppb Nickel and compounds 850.0 ppb Barium and compounds 2806.0 ppb Manganese and compounds 14062.2 ppb Aluminum 35300.0 ppb Iron 57900.0 ppb

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Site ID: SITE 00023

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Jan 2001

Contaminated Areas

Soil: Low Risk

Contaminants: Chlordane 0.02 ppb Methylnaphthalene,2 0.04 ppb Indeno[1,2,3-cd]pyrene 0.05 ppb Naphthalene 0.08 ppb Anthracene 0.09 ppb Carbazole 0.1 ppb Chrysene 0.12 ppb Benzo[a]pyrene 0.13 ppb Benzo[k]fluoranthene 0.14 ppb DDE 0.2 ppb Molybdenum 0.36 ppb Benzo[b]fluoranthene 0.39 ppb Benz(a)anthracene 0.4 ppb Pyrene 0.42 ppb Polychlorinated biphenyls (PCBs) 0.56 ppb DDD,4,4- 0.58 ppb Fluoranthene 0.69 ppb Silver and compounds 1.05 ppb Mercury and compounds (inorganic) 1.3 ppb Selenium 1.4 ppb Tetrachloroethylene (PCE) 2.8 ppb DDT 2.8 ppb Beryllium and compounds 3.2 ppb Cadmium and compounds 5.6 ppb Arsenic (noncancer) 22.8 ppb Copper and compounds 201.0 ppb Barium and compounds 664.0 ppb Lead 1080.0 ppb Nickel and compounds 1406.76 ppb Vanadium 1960.0 ppb Manganese and compounds 2350.0 ppb Zinc 2790.0 ppb Aluminum 16900.0 ppb Iron 39100.0 ppb

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Site ID: SITE 00024

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Jan 2001

Contaminated Areas

Sediment (Marine): High Risk

Contaminants: DDT 0.01 ppb Dieldrin 0.01 ppb Mercury and compounds (inorganic) 0.33 ppb Fluoranthene 0.44 ppb Pyrene 0.57 ppb Arsenic (noncancer) 4.7 ppb Lead 20.8 ppb Copper and compounds 46.9 ppb Nickel and compounds 80.8 ppb Zinc 128.0 ppb

Groundwater: Medium Risk

Contaminants: Beryllium and compounds 110.0 ppb Mercury and compounds (inorganic) 120.0 ppb Pyrene 1000.0 ppb Naphthalene 1000.0 ppb Vanadium 2300.0 ppb Selenium 3180.0 ppb Antimony and compounds 7470.0 ppb Molybdenum 9100.0 ppb Cadmium and compounds 13500.0 ppb Lead 16280.0 ppb Carbon disulfide 21000.0 ppb Copper and compounds 28680.0 ppb Nickel and compounds 49600.0 ppb Barium and compounds 153000.0 ppb Iron 690000.0 ppb Manganese and compounds 3060540.0 ppb

Soil: Low Risk

Contaminants: Mercury and compounds (inorganic) 0.35 ppb Beryllium and compounds 0.39 ppb Silver and compounds 1.46 ppb Arsenic (noncancer) 7.7 ppb Lead 9.86 ppb Vanadium 80.85 ppb Zinc 109.91 ppb Copper and compounds 129.87 ppb Nickel and compounds 606.81 ppb Barium and compounds 783.28 ppb Manganese and compounds 4571.27 ppb Aluminum 13613.6 ppb Iron 38005.4 ppb

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Site ID: SITE 00025

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Sep 2001

Contaminated Areas

Groundwater: Medium Risk

Contaminants: Heptachlor epoxide 30.0 ppb Endosulfan 110.0 ppb Mercury and compounds (inorganic) 150.0 ppb Beryllium and compounds 200.0 ppb Ethyl chloride 1000.0 ppb Trichlorofluoromethane 1000.0 ppb Cadmium and compounds 1570.0 ppb Acenaphthene 3000.0 ppb Arsenic (cancer) 4200.0 ppb Selenium 4610.0 ppb Molybdenum 10500.0 ppb Vanadium 10700.0 ppb Polychlorinated biphenyls (PCBs) 11000.0 ppb Zinc 25180.0 ppb Copper and compounds 27510.0 ppb Aluminum 42410.0 ppb 1,2,4-Trichlorobenzene 110000.0 ppb Fluorene 180000.0 ppb 1,3-Dichlorobenzene 260000.0 ppb Barium and compounds 274550.0 ppb Naphthalene 370000.0 ppb Iron 384180.0 ppb Hexachloroethane 530000.0 ppb Chlorobenzene 670000.0 ppb 1,1,1-Trichloroethane 720000.0 ppb Methylnaphthalene,2 920000.0 ppb Vinyl chloride 1400000.0 ppb Phenol 2300000.0 ppb 2-Methylphenol 3800000.0 ppb Trichloroethylene (TCE) 4200000.0 ppb Manganese and compounds 6554690.0 ppb 4-Methylphenol 9100000.0 ppb 1,4-Dichlorobenzene 14000000.0 ppb 2,4-Dimethylphenol 16000000.0 ppb 1,2-Dichloroethylene (cis) 25000000.0 ppb Tetrachloroethylene (PCE) 50000000.0 ppb 1,2-Dichloroethylene (mixture) 57000000.0 ppb 1,2-Dichlorobenzene 62000000.0 ppb 1,2-Dichloroethane (EDC) 140000000.0 ppb

Soil: Low Risk

Contaminants: Acetone 0.05 ppb Trichloroethylene (TCE) 0.06 ppb 1,2,4-Trichlorobenzene 0.14 ppb 1,2-Dichlorobenzene 0.17 ppb Benzo[a]pyrene 0.21 ppb Acenaphthene 0.26 ppb Benzo[b]fluoranthene 0.27 ppb Beryllium and compounds 0.31 ppb Benzo[k]fluoranthene 0.34 ppb Benz(a)anthracene 0.42 ppb Fluoranthene 0.48 ppb Chrysene 0.54 ppb Mercury and compounds (inorganic) 0.56 ppb Silver and compounds 0.66 ppb Pyrene 0.67 ppb Molybdenum 0.71 ppb Tetrachloroethylene (PCE) 0.86 ppb Methylnaphthalene,2 1.2 ppb Cadmium and compounds 3.3 ppb Polychlorinated biphenyls (PCBs) 3.8 ppb Selenium 4.37 ppb Arsenic (noncancer) 5.27 ppb Antimony and compounds 9.5 ppb Vanadium 71.36 ppb Barium and compounds 239.0 ppb Copper and compounds 485.0 ppb Lead 1230.0 ppb Nickel and compounds 1311.76 ppb Manganese and compounds 1397.74 ppb Zinc 1770.0 ppb Aluminum 18658.6 ppb Iron 60200.0 ppb

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Site ID: SITE 00027

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Aug 2001

Contaminated Areas

Soil: Medium Risk

Contaminants: Toluene 0.01 ppb Xylene 0.02 ppb Benzo[k]fluoranthene 0.08 ppb Benzo[a]pyrene 0.14 ppb Chrysene 0.15 ppb Pyrene 0.16 ppb Benzo(b)fluoranthene 0.21 ppb Fluoranthene 0.24 ppb Beryllium and compounds 0.31 ppb Cadmium and compounds 4.4 ppb Arsenic (noncancer) 6.9 ppb Mercury 10.0 ppb Antimony and compounds 10.2 ppb Vanadium 52.0 ppb Lead 122.0 ppb Copper and compounds 162.0 ppb Barium and compounds 455.0 ppb Nickel and compounds 1480.0 ppb Zinc 1640.0 ppb Manganese and compounds 2180.0 ppb Aluminum 11400.0 ppb Iron 39400.0 ppb

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Site ID: SITE 00030

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Sep 2001

Contaminated Areas

Soil: High Risk

Contaminants: Xylene (mixed) 0.02 ppb Benzo[a]pyrene 0.02 ppb Heptachlor 0.02 ppb HCH (gamma) Lindane 0.03 ppb Carbazole 0.03 ppb Anthracene 0.04 ppb Polychlorinated biphenyls (PCBs) 0.04 ppb Fluorene 0.06 ppb Chlordane 0.1 ppb Dibutyl phthalate 0.1 ppb DDT 0.11 ppb Toluene 0.12 ppb Benzo[b]fluoranthene 0.14 ppb Benzo[k]fluoranthene 0.14 ppb Acetone 0.14 ppb DDE 0.14 ppb Benz(a)anthracene 0.15 ppb Endosulfan 0.17 ppb Chrysene 0.18 ppb Fluoranthene 0.22 ppb Mercury and compounds (inorganic) 0.34 ppb Benzene 0.4 ppb Naphthalene 0.48 ppb Methylnaphthalene,2 0.5 ppb Cyanide (free) 0.55 ppb Pyrene 0.58 ppb Beryllium and compounds 0.68 ppb Silver and compounds 1.2 ppb Cadmium and compounds 3.28 ppb Antimony and compounds 6.6 ppb Arsenic (noncancer) 13.7 ppb Selenium 24.57 ppb Vanadium 121.0 ppb Molybdenum 291.0 ppb Lead 389.0 ppb Barium and compounds 430.0 ppb Manganese and compounds 1491.97 ppb Zinc 3050.0 ppb Nickel and compounds 8650.0 ppb Copper and compounds 10200.0 ppb Aluminum 38200.0 ppb Iron 130664.0 ppb

Groundwater: Medium Risk

Contaminants: Zinc 2800.0 ppb Phenol 6000.0 ppb Barium and compounds 131770.0 ppb Manganese and compounds 372190.0 ppb

Sediment (Human): Low Risk

Contaminants: Methyl isobutyl ketone 0.01 ppb Trichloroethylene (TCE) 0.01 ppb Methylene chloride 0.05 ppb Mercury and compounds (inorganic) 0.71 ppb Selenium 1.1 ppb Silver cyanide 1.3 ppb Cadmium and compounds 7.4 ppb Arsenic (noncancer) 8.9 ppb Cyanide (free) 20.5 ppb Vanadium 30.3 ppb Lead 279.0 ppb Manganese and compounds 829.0 ppb Zinc 1380.0 ppb Molybdenum 1980.0 ppb Barium and compounds 3270.0 ppb Copper and compounds 3660.0 ppb Nickel and compounds 8040.0 ppb Aluminum 8710.0 ppb Iron 72000.0 ppb

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Site ID: SITE 00031

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Oct 1997

Contaminated Areas

Soil: Low Risk

Contaminants: Fluoranthene 0.08 ppb Arsenic (noncancer) 1.0 ppb Lead 1.8 ppb Vanadium 2.7 ppb Barium and compounds 5.1 ppb Nickel and compounds 8.2 ppb Molybdenum 10.4 ppb Copper and compounds 10.5 ppb Zinc 15.2 ppb Manganese and compounds 23.8 ppb Aluminum 746.0 ppb Iron 2610.0 ppb

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Site ID: SITE 00032

TREASURE ISLAND NS HUNTERS PT ANNEX

Storage Area

Cost

Unknown

Final Cleanup Action

Aug 2001

Contaminated Areas

Groundwater: High Risk

Contaminants: Arsenic (cancer) 3300.0 ppb Acetone 9000.0 ppb Chloroform 10000.0 ppb Barium and compounds 151000.0 ppb Iron 241000.0 ppb Manganese and compounds 1590000.0 ppb

Sediment (Marine): High Risk

Contaminants: DDT 0.01 ppb Polychlorinated biphenyls (PCBs) 0.03 ppb Benzo[a]pyrene 0.44 ppb Chrysene 0.45 ppb Fluoranthene 0.78 ppb Pyrene 0.98 ppb Mercury and compounds (inorganic) 1.1 ppb Arsenic (noncancer) 5.6 ppb Lead 23.6 ppb Copper and compounds 43.7 ppb Nickel and compounds 72.8 ppb Zinc 106.0 ppb

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Site ID: SITE 00033

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Sep 2001

Contaminated Areas

Groundwater: Medium Risk

Contaminants: Mercury and compounds (inorganic) 150.0 ppb Dichloroethane, 1,1- 1000.0 ppb 4-Methylphenol 2000.0 ppb Tetrachloroethylene (PCE) 2000.0 ppb 1,2-Dichlorobenzene 2000.0 ppb Selenium 2390.0 ppb Carbon disulfide 3000.0 ppb 2,4-Dimethylphenol 4000.0 ppb Lead 15050.0 ppb Antimony and compounds 17320.0 ppb Vanadium 17920.0 ppb Molybdenum 18450.0 ppb Methylnaphthalene,2 24000.0 ppb Copper and compounds 37620.0 ppb 1,1-Dichloroethylene 42000.0 ppb Hexachloroethane 45000.0 ppb Toluene 48000.0 ppb Chlorobenzene 48000.0 ppb Trichloroethylene (TCE) 48000.0 ppb Naphthalene 58000.0 ppb Nickel and compounds 61210.0 ppb Phenol 62000.0 ppb Arsenic (cancer) 76280.0 ppb Aluminum 170360.0 ppb Iron 288470.0 ppb Ethylbenzene 350000.0 ppb Barium and compounds 441170.0 ppb Benzene 650000.0 ppb Xylene (mixed) 1200000.0 ppb Manganese and compounds 3087630.0 ppb

Sediment (Human): Low Risk

Contaminants: 1,2-Dichloroethylene (mixture) 0.62 ppb Beryllium and compounds 0.77 ppb Polychlorinated biphenyls (PCBs) 3.0 ppb Tetrachloroethylene (PCE) 4.35 ppb Mercury and compounds (inorganic) 6.04 ppb Xylene (mixed) 7.62 ppb Silver and compounds 11.35 ppb Cadmium and compounds 13.82 ppb Arsenic (noncancer) 32.68 ppb Methylnaphthalene,2 36.45 ppb Fluoranthene 56.43 ppb Naphthalene 64.47 ppb Vanadium 66.68 ppb Pyrene 82.01 ppb Antimony and compounds 111.11 ppb Molybdenum 147.17 ppb Nickel and compounds 163.09 ppb Barium and compounds 876.47 ppb Manganese and compounds 1426.52 ppb Copper and compounds 2343.16 ppb Lead 4493.42 ppb Zinc 22147.7 ppb Aluminum 22684.6 ppb Iron 163870.0 ppb

Soil: Low Risk

Contaminants: Xylene (mixed) 0.01 ppb Carbon disulfide 0.01 ppb Trichloroethylene (TCE) 0.01 ppb Benzo[k]fluoranthene 0.02 ppb DDT 0.02 ppb Methyl isobutyl ketone 0.03 ppb 1,1,1-Trichloroethane 0.06 ppb Tetrachloroethylene (PCE) 0.11 ppb Acenaphthene 0.18 ppb Benzo[b]fluoranthene 0.34 ppb Fluorene 0.46 ppb Benzo[a]pyrene 0.49 ppb Anthracene 0.54 ppb Beryllium and compounds 0.78 ppb Selenium 1.0 ppb Chrysene 1.1 ppb Benz(a)anthracene 1.44 ppb Naphthalene 2.1 ppb Fluoranthene 2.18 ppb Polychlorinated biphenyls (PCBs) 2.4 ppb Pyrene 2.49 ppb Cyanide (free) 2.93 ppb Methylnaphthalene,2 4.5 ppb Silver and compounds 8.3 ppb Cadmium and compounds 18.8 ppb Mercury and compounds (inorganic) 19.0 ppb Arsenic (noncancer) 19.12 ppb Antimony and compounds 20.04 ppb Bis(2-ethylhexyl)phthalate (DEHP) 25.46 ppb Molybdenum 54.31 ppb Vanadium 138.29 ppb Barium and compounds 589.47 ppb Copper and compounds 1350.0 ppb Lead 1820.0 ppb Nickel and compounds 2223.91 ppb Zinc 3660.0 ppb Manganese and compounds 4048.06 ppb Aluminum 42800.0 ppb Iron 108687.0 ppb

Sediment (Marine): Low Risk

Contaminants: Polychlorinated biphenyls (PCBs) 3.0 ppb Mercury and compounds (inorganic) 6.04 ppb Silver and compounds 11.35 ppb Cadmium and compounds 13.82 ppb Arsenic (noncancer) 32.68 ppb Methylnaphthalene,2 36.45 ppb Fluoranthene 56.43 ppb Naphthalene 64.47 ppb Pyrene 82.01 ppb Phenanthrene 99.95 ppb Antimony and compounds 111.11 ppb Nickel and compounds 163.09 ppb Copper and compounds 2343.16 ppb Lead 4493.42 ppb Zinc 22147.7 ppb

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Site ID: SITE 00006

TREASURE ISLAND NS HUNTERS PT ANNEX

Above Ground Storage Tank

Cost

Unknown

Final Cleanup Action

Feb 2003

Contaminated Areas

Soil: High Risk

Contaminants: Vinyl acetate 0.01 ppb Carbon disulfide 0.01 ppb Bromoform (tribromomethane) 0.01 ppb DDD,4,4- 0.02 ppb Acenaphthylene- 0.11 ppb Aldrin 0.13 ppb Benzene 0.14 ppb Toluene 0.19 ppb Ethyl benzene 0.26 ppb Anthracene 0.62 ppb Beryllium and compounds 0.91 ppb Mercury 0.98 ppb Benzo[a]pyrene 1.3 ppb Silver and compounds 1.5 ppb Pyrene 1.7 ppb Molybdenum 2.0 ppb Acenaphthene 2.4 ppb Benzo[b]fluoranthene 2.5 ppb Cadmium and compounds 2.8 ppb Selenium 3.3 ppb Xylene 8.1 ppb Dimethylphenol, 2,4- 13.0 ppb Antimony and compounds 28.9 ppb Vanadium 102.0 ppb Copper and compounds 140.0 ppb Zinc 597.0 ppb Barium and compounds 834.0 ppb Lead 2580.0 ppb Nickel and compounds 3390.0 ppb Manganese and compounds 4640.0 ppb Aluminum 36400.0 ppb Iron 77000.0 ppb

Groundwater: Medium Risk

Contaminants: Chlorobenzene 200.0 ppb 1,2-Dichloroethylene (trans) 300.0 ppb Mercury and compounds (inorganic) 300.0 ppb 1,4-Dichlorobenzene 800.0 ppb 1,2-Dichloroethane (EDC) 1300.0 ppb Dichloroethane, 1,1- 2100.0 ppb Pentachlorophenol 3000.0 ppb 4-Methylphenol 4000.0 ppb 2-Methylphenol 4000.0 ppb Tetrachloroethylene (PCE) 5000.0 ppb Cadmium and compounds 9240.0 ppb Selenium 9990.0 ppb 1,2-Dichlorobenzene 10000.0 ppb Ethylbenzene 12000.0 ppb Pyrene 16000.0 ppb Methylene chloride 17000.0 ppb Toluene 20000.0 ppb Anthracene 21000.0 ppb Trichloroethylene (TCE) 23000.0 ppb Chloroform 24000.0 ppb Carbon tetrachloride 28000.0 ppb Methyl ethyl ketone 29000.0 ppb Copper and compounds 31210.0 ppb Lead 31310.0 ppb 2,4-Dimethylphenol 35000.0 ppb Fluoranthene 36000.0 ppb Xylene (mixed) 40000.0 ppb Antimony and compounds 40100.0 ppb Aluminum 46520.0 ppb Zinc 49800.0 ppb Carbazole 53000.0 ppb Vanadium 56700.0 ppb Arsenic (cancer) 68340.0 ppb Benzene 72000.0 ppb Vinyl chloride 73000.0 ppb 1,1,2-Trichloro-1,2,2-trifluoroethane 73000.0 ppb Ethyl chloride 81000.0 ppb Nickel and compounds 117000.0 ppb Trichlorofluoromethane 120000.0 ppb 1,2-Dichloroethylene (mixture) 140000.0 ppb Fluorene 160000.0 ppb Acenaphthene 230000.0 ppb Methylnaphthalene,2 240000.0 ppb Molybdenum 258080.0 ppb Nitrate 270000.0 ppb 1,2-Dichloroethylene (cis) 380000.0 ppb Nitrite 470000.0 ppb Phosphorus (white) 730000.0 ppb Barium and compounds 929000.0 ppb Naphthalene 1800000.0 ppb Manganese and compounds 8860000.0 ppb Iron 11900000.0 ppb

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Site ID: SITE 00043

TREASURE ISLAND NS HUNTERS PT ANNEX

Storage Area

Cost

Unknown

Final Cleanup Action

Nov 1995

Contaminated Areas

Soil: Low Risk

Contaminants: Methyl isobutyl ketone 0.01 ppb HCH (gamma) Lindane 0.01 ppb Endrin 0.01 ppb Acenaphthene 0.02 ppb Chlordane, gamma- 0.03 ppb Fluorene 0.03 ppb Carbazole 0.03 ppb DDE 0.09 ppb 2,4-Dichlorophenoxyacetic Acid (2,4-D) 0.12 ppb Methylnaphthalene,2 0.13 ppb 4-(2,4-Dichlorophenoxy) butric acid (2,4-DB) 0.13 ppb Mercury and compounds (inorganic) 0.15 ppb Polychlorinated biphenyls (PCBs) 0.19 ppb Benzo[k]fluoranthene 0.22 ppb Benzo[a]pyrene 0.22 ppb Naphthalene 0.22 ppb Benzo[b]fluoranthene 0.23 ppb Benz(a)anthracene 0.29 ppb Chrysene 0.38 ppb Beryllium and compounds 0.5 ppb DDT 0.61 ppb Pyrene 0.63 ppb Fluoranthene 0.75 ppb Selenium 1.5 ppb Cadmium and compounds 1.7 ppb DDD,4,4- 2.1 ppb Molybdenum 4.0 ppb Arsenic (noncancer) 8.1 ppb 2-Methyl-4-chlorophenoxyacetic acid 10.0 ppb Antimony and compounds 17.8 ppb Copper and compounds 74.9 ppb Vanadium 113.0 ppb Barium and compounds 130.0 ppb Lead 178.0 ppb Zinc 218.0 ppb Manganese and compounds 1430.0 ppb Nickel and compounds 2840.0 ppb Aluminum 35700.0 ppb Iron 59400.0 ppb

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Site ID: SITE 00044

TREASURE ISLAND NS HUNTERS PT ANNEX

Contaminated Sediments

Cost

Unknown

Final Cleanup Action

Aug 2001

Contaminated Areas

Sediment (Human): Low Risk

Contaminants: Carbazole 0.05 ppb Benzo[k]fluoranthene 0.06 ppb Isophorone 0.06 ppb Benzo[a]pyrene 0.1 ppb Benz(a)anthracene 0.11 ppb Indeno[1,2,3-cd]pyrene 0.12 ppb Chrysene 0.13 ppb Pyrene 0.17 ppb Benzo[b]fluoranthene 0.22 ppb Fluoranthene 0.26 ppb Phenol 0.5 ppb Silver and compounds 0.56 ppb Mercury and compounds (inorganic) 0.81 ppb Vanadium 10.8 ppb Arsenic (noncancer) 13.1 ppb Molybdenum 106.0 ppb Nickel and compounds 161.0 ppb Barium and compounds 217.0 ppb Lead 340.0 ppb Manganese and compounds 369.0 ppb Copper and compounds 1050.0 ppb Aluminum 3180.0 ppb Zinc 3210.0 ppb Iron 76600.0 ppb

Sediment (Marine): Low Risk

Contaminants: Carbazole 0.05 ppb Benzo[a]pyrene 0.1 ppb Benz(a)anthracene 0.11 ppb Chrysene 0.13 ppb Pyrene 0.17 ppb Phenanthrene 0.22 ppb Fluoranthene 0.26 ppb Silver and compounds 0.56 ppb Mercury and compounds (inorganic) 0.81 ppb Arsenic (noncancer) 13.1 ppb Nickel and compounds 161.0 ppb Lead 340.0 ppb Copper and compounds 1050.0 ppb Zinc 3210.0 ppb

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Site ID: SITE 00046

TREASURE ISLAND NS HUNTERS PT ANNEX

POL (Petroleum/Oil/Lubricants) Lines

Cost

Unknown

Final Cleanup Action

Sep 2001

Contaminated Areas

Soil: High Risk

Contaminants: Ethylbenzene 0.01 ppb Methyl isobutyl ketone 0.01 ppb Toluene 0.01 ppb Trichloroethylene (TCE) 0.02 ppb Xylene (mixed) 0.03 ppb Carbazole 0.04 ppb Acetone 0.07 ppb Methylnaphthalene,2 0.07 ppb 2-Chlorophenol 0.18 ppb Phenol 0.2 ppb Acenaphthene 0.2 ppb Naphthalene 0.21 ppb Fluorene 0.25 ppb Dibenz[ah]anthracene 0.33 ppb Anthracene 0.34 ppb Mercury and compounds (inorganic) 0.54 ppb Beryllium and compounds 0.61 ppb Benzo[b]fluoranthene 0.69 ppb Benzo[k]fluoranthene 0.81 ppb Cadmium and compounds 0.81 ppb Indeno[1,2,3-cd]pyrene 0.9 ppb Benz(a)anthracene 1.0 ppb Chrysene 1.1 ppb Benzo[a]pyrene 1.2 ppb Molybdenum 1.3 ppb Silver and compounds 1.56 ppb Bis(2-ethylhexyl)phthalate (DEHP) 1.9 ppb Fluoranthene 2.2 ppb Pyrene 3.2 ppb Antimony and compounds 8.5 ppb Arsenic (noncancer) 19.12 ppb Polychlorinated biphenyls (PCBs) 26.0 ppb Copper and compounds 87.4 ppb Lead 89.74 ppb Vanadium 101.0 ppb Zinc 140.13 ppb Barium and compounds 780.0 ppb Nickel and compounds 1851.53 ppb Manganese and compounds 4780.0 ppb Aluminum 27200.0 ppb Iron 47360.6 ppb

Groundwater: Low Risk

Contaminants: Lead 1140.0 ppb Dichloroethane, 1,1- 2000.0 ppb Vanadium 2890.0 ppb Selenium 4110.0 ppb Carbon disulfide 7000.0 ppb Arsenic (cancer) 10270.0 ppb Molybdenum 10700.0 ppb Antimony and compounds 11820.0 ppb Cadmium and compounds 16500.0 ppb Zinc 20780.0 ppb Copper and compounds 35580.0 ppb Nickel and compounds 37690.0 ppb Bis(2-ethylhexyl)phthalate (DEHP) 64000.0 ppb Barium and compounds 173130.0 ppb Iron 364370.0 ppb Manganese and compounds 1835000.0 ppb

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Site ID: SITE 00048

TREASURE ISLAND NS HUNTERS PT ANNEX

Waste Lines

Cost

Unknown

Final Cleanup Action

Jun 1997

Contaminated Areas

Soil: Low Risk

Contaminants: Benzene 1.0 ppb

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Site ID: SITE 00049

TREASURE ISLAND NS HUNTERS PT ANNEX

POL (Petroleum/Oil/Lubricants) Lines

Cost

Unknown

Final Cleanup Action

Aug 2001

Contaminated Areas

Groundwater: Medium Risk

Contaminants: Antimony and compounds 9510.0 ppb Nickel and compounds 19760.0 ppb Barium and compounds 21140.0 ppb Molybdenum 32780.0 ppb Manganese and compounds 342060.0 ppb

Soil: Low Risk

Contaminants: Xylene (mixed) 0.01 ppb Methylene chloride 0.01 ppb Carbon disulfide 0.01 ppb Naphthalene 0.04 ppb Benzo[a]pyrene 0.09 ppb Benz(a)anthracene 0.09 ppb Methylnaphthalene,2 0.09 ppb Chrysene 0.1 ppb Acetone 0.1 ppb Benzo[b]fluoranthene 0.13 ppb Benzo[k]fluoranthene 0.13 ppb Fluoranthene 0.18 ppb Polychlorinated biphenyls (PCBs) 0.25 ppb Selenium 0.36 ppb Pyrene 0.38 ppb Beryllium and compounds 0.46 ppb Bis(2-ethylhexyl)phthalate (DEHP) 1.4 ppb Mercury and compounds (inorganic) 1.6 ppb Antimony and compounds 2.1 ppb Cadmium and compounds 4.4 ppb Arsenic (noncancer) 5.91 ppb Lead 48.63 ppb Copper and compounds 71.56 ppb Vanadium 143.62 ppb Barium and compounds 533.1 ppb Nickel and compounds 1130.0 ppb Zinc 1640.0 ppb Manganese and compounds 2418.65 ppb Aluminum 29502.0 ppb Iron 51636.0 ppb

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Site ID: SITE 00053

TREASURE ISLAND NS HUNTERS PT ANNEX

Storage Area

Cost

Unknown

Final Cleanup Action

Sep 2002

Contaminated Areas

Soil: Low Risk

Contaminants: Methyl isobutyl ketone 0.01 ppb Acetone 0.01 ppb Benzene 0.01 ppb 1,1,2,2-Tetrachloroethane 0.01 ppb DDT 0.02 ppb Fluorene 0.03 ppb Naphthalene 0.03 ppb Tetrachloroethylene (PCE) 0.04 ppb Methylnaphthalene,2 0.04 ppb Carbazole 0.05 ppb Acenaphthene 0.08 ppb Anthracene 0.11 ppb Pentachlorophenol 0.11 ppb Dibutyl phthalate 0.14 ppb Benzo[k]fluoranthene 0.27 ppb Dibenz[ah]anthracene 0.38 ppb Mercury and compounds (inorganic) 0.46 ppb Polychlorinated biphenyls (PCBs) 0.49 ppb Fluoranthene 0.49 ppb Benz(a)anthracene 0.53 ppb Pyrene 0.56 ppb Bis(2-ethylhexyl)phthalate (DEHP) 0.69 ppb Benzo[b]fluoranthene 0.74 ppb Benzo[a]pyrene 0.88 ppb Chrysene 0.89 ppb Beryllium and compounds 1.07 ppb Indeno[1,2,3-cd]pyrene 1.4 ppb Selenium 2.0 ppb Cadmium and compounds 2.08 ppb Molybdenum 2.3 ppb Silver and compounds 3.07 ppb Arsenic (noncancer) 11.14 ppb Antimony and compounds 12.96 ppb Vanadium 162.0 ppb Zinc 325.7 ppb Barium and compounds 352.0 ppb Nickel and compounds 368.0 ppb Copper and compounds 1344.25 ppb Lead 1383.24 ppb Manganese and compounds 1830.0 ppb Aluminum 31100.0 ppb Iron 60100.0 ppb

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Site ID: SITE 00054

TREASURE ISLAND NS HUNTERS PT ANNEX

Contaminated Buildings

Cost

Unknown

Final Cleanup Action

Oct 1998

Contaminated Areas

Soil: Low Risk

Contaminants: DDT 0.01 ppb Polychlorinated biphenyls (PCBs) 0.02 ppb Benzo[k]fluoranthene 0.04 ppb Benz(a)anthracene 0.08 ppb Chrysene 0.09 ppb Benzo[a]pyrene 0.1 ppb Pyrene 0.12 ppb Benzo[b]fluoranthene 0.15 ppb Fluoranthene 0.15 ppb Beryllium and compounds 0.43 ppb Mercury and compounds (inorganic) 1.2 ppb Arsenic (noncancer) 5.0 ppb Antimony and compounds 8.6 ppb Molybdenum 12.6 ppb Vanadium 81.9 ppb Copper and compounds 91.7 ppb Nickel and compounds 98.2 ppb Lead 109.0 ppb Barium and compounds 156.0 ppb Zinc 298.0 ppb Manganese and compounds 1120.0 ppb Aluminum 18000.0 ppb Iron 36500.0 ppb

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Site ID: SITE 00055

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Sep 2001

Contaminated Areas

Groundwater: Medium Risk

Contaminants: Vanadium 4730.0 ppb Nickel and compounds 8790.0 ppb Arsenic (cancer) 26150.0 ppb Barium and compounds 126210.0 ppb Manganese and compounds 2128970.0 ppb

Soil: Low Risk

Contaminants: Methoxychlor 0.01 ppb Xylene (mixed) 0.02 ppb Aldrin 0.02 ppb DDT 0.02 ppb Endrin 0.02 ppb DDD,4,4- 0.02 ppb DDE 0.02 ppb Phenol 0.04 ppb Dibenz[ah]anthracene 0.05 ppb Chlordane, gamma- 0.05 ppb Endosulfan 0.06 ppb Silver and compounds 0.18 ppb Acenaphthene 0.19 ppb Anthracene 0.21 ppb Indeno[1,2,3-cd]pyrene 0.21 ppb Benzo[k]fluoranthene 0.21 ppb Mercury and compounds (inorganic) 0.28 ppb Benzo[b]fluoranthene 0.47 ppb Benzo[a]pyrene 0.47 ppb Benz(a)anthracene 0.54 ppb Chrysene 0.57 ppb Polychlorinated biphenyls (PCBs) 0.63 ppb Fluoranthene 0.97 ppb Beryllium and compounds 0.97 ppb Pyrene 1.3 ppb Naphthalene 1.3 ppb Selenium 1.8 ppb Antimony and compounds 2.2 ppb Fluorene 2.4 ppb Cadmium and compounds 3.1 ppb Molybdenum 5.4 ppb Methylnaphthalene,2 7.9 ppb Arsenic (noncancer) 12.4 ppb Vanadium 104.3 ppb Copper and compounds 147.0 ppb Nickel and compounds 230.0 ppb Barium and compounds 638.0 ppb Lead 1340.0 ppb Zinc 1730.0 ppb Manganese and compounds 2260.0 ppb Aluminum 28600.0 ppb Iron 63100.0 ppb

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Site ID: SITE 00057

TREASURE ISLAND NS HUNTERS PT ANNEX

Maintenance Yard

Cost

Unknown

Final Cleanup Action

Aug 2001

Contaminated Areas

Sediment (Human): Low Risk

Contaminants: Cyanide (free) 0.12 ppb Mercury and compounds (inorganic) 0.18 ppb Silver and compounds 9.61 ppb Arsenic (noncancer) 13.81 ppb Antimony and compounds 18.16 ppb Molybdenum 50.28 ppb Nickel and compounds 62.04 ppb Vanadium 133.61 ppb Lead 192.62 ppb Zinc 544.82 ppb Barium and compounds 574.07 ppb Copper and compounds 1992.06 ppb Manganese and compounds 2672.17 ppb Aluminum 38070.1 ppb Iron 123365.0 ppb

Soil: Low Risk

Contaminants: Polychlorinated biphenyls (PCBs) 0.02 ppb 1,2-Dichloroethane (EDC) 0.05 ppb Acetone 0.05 ppb Ethylbenzene 0.09 ppb Naphthalene 0.09 ppb Silver and compounds 0.12 ppb Benzo[a]pyrene 0.17 ppb Chrysene 0.24 ppb Mercury and compounds (inorganic) 0.33 ppb Methylnaphthalene,2 0.48 ppb Xylene (mixed) 0.57 ppb Beryllium and compounds 0.8 ppb Cadmium and compounds 1.06 ppb Antimony and compounds 8.73 ppb Arsenic (noncancer) 20.89 ppb Nickel and compounds 83.09 ppb Vanadium 91.46 ppb Lead 126.64 ppb Molybdenum 131.42 ppb Barium and compounds 332.45 ppb Zinc 375.31 ppb Copper and compounds 1412.89 ppb Manganese and compounds 1859.91 ppb Aluminum 27113.6 ppb Iron 88114.6 ppb

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Site ID: SITE 00058

TREASURE ISLAND NS HUNTERS PT ANNEX

Storage Area

Cost

Unknown

Final Cleanup Action

Sep 2001

Contaminated Areas

Soil: High Risk

Contaminants: Ethylbenzene 0.01 ppb Toluene 0.01 ppb Methyl isobutyl ketone 0.03 ppb Xylene (mixed) 0.04 ppb DDT 0.04 ppb Naphthalene 0.04 ppb Dieldrin 0.05 ppb Heptachlor epoxide 0.09 ppb Tetrachloroethylene (PCE) 0.09 ppb Dibutyl phthalate 0.14 ppb Chrysene 0.44 ppb Benzo[b]fluoranthene 0.5 ppb Pyrene 0.65 ppb Fluoranthene 0.86 ppb Silver and compounds 0.89 ppb Beryllium and compounds 1.05 ppb Phenol 1.2 ppb Polychlorinated biphenyls (PCBs) 2.7 ppb Mercury and compounds (inorganic) 4.4 ppb Cadmium and compounds 7.5 ppb Antimony and compounds 7.6 ppb Arsenic (noncancer) 8.8 ppb Fluorene 12.0 ppb Molybdenum 34.4 ppb Methylnaphthalene,2 40.0 ppb Copper and compounds 212.0 ppb Vanadium 321.23 ppb Barium and compounds 486.0 ppb Lead 642.0 ppb Zinc 1190.0 ppb Nickel and compounds 1850.0 ppb Manganese and compounds 3150.0 ppb Aluminum 76859.7 ppb Iron 166000.0 ppb

Groundwater: Medium Risk

Contaminants: 1,2-Dichloroethylene (trans) 600.0 ppb Molybdenum 1100.0 ppb Trichloroethylene (TCE) 2000.0 ppb Arsenic (cancer) 2570.0 ppb Tetrachloroethylene (PCE) 3000.0 ppb Vanadium 3600.0 ppb 1,2-Dichloroethylene (cis) 4000.0 ppb Chlorobenzene 7000.0 ppb Trichlorofluoromethane 23000.0 ppb Zinc 27740.0 ppb 1,2,4-Trichlorobenzene 29000.0 ppb 1,3-Dichlorobenzene 31000.0 ppb Barium and compounds 32060.0 ppb Selenium 32650.0 ppb Aluminum 41230.0 ppb Nickel and compounds 48520.0 ppb Naphthalene 54000.0 ppb 1,4-Dichlorobenzene 320000.0 ppb Manganese and compounds 807200.0 ppb 1,2-Dichlorobenzene 1700000.0 ppb 1,2-Dichloroethylene (mixture) 7500000.0 ppb

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Site ID: SITE 00059

TREASURE ISLAND NS HUNTERS PT ANNEX

Contaminated Ground Water

Cost

Unknown

Final Cleanup Action

Nov 1995

Site ID: SITE 00060

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Oct 1997

Contaminated Areas

Soil: Medium Risk

Contaminants: Beryllium and compounds 0.73 ppb Cadmium and compounds 3.7 ppb Antimony and compounds 9.2 ppb Arsenic (cancer) 21.2 ppb Zinc 485.0 ppb Benzo[a]pyrene 620.0 ppb Benzo(b)fluoranthene 650.0 ppb Lead 859.0 ppb Chromium VI and compounds 1490.0 ppb Nickel and compounds 2060.0 ppb Manganese 2880.0 ppb

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Site ID: SITE 00061

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Oct 1997

Contaminated Areas

Groundwater: Low Risk

Contaminants: Molybdenum 2200.0 ppb Vanadium 2400.0 ppb Selenium 4200.0 ppb Nickel and compounds 33600.0 ppb Iron 37200.0 ppb Barium and compounds 438000.0 ppb Manganese 2030000.0 ppb

Soil: Low Risk

Contaminants: Cadmium and compounds 0.05 ppb Silver and compounds 0.14 ppb Beryllium and compounds 0.62 ppb Selenium 0.79 ppb Mercury 0.85 ppb Antimony and compounds 5.0 ppb Molybdenum 8.9 ppb Carbon disulfide 13.0 ppb Arsenic (noncancer) 15.6 ppb Vanadium 66.7 ppb Lead 115.0 ppb Zinc 117.0 ppb Copper and compounds 135.0 ppb Barium and compounds 891.0 ppb Manganese and compounds 1360.0 ppb Nickel and compounds 2090.0 ppb Aluminum 28400.0 ppb Iron 45000.0 ppb

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Site ID: SITE 00062

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Aug 1999

Site ID: SITE 00064

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Sep 2001

Contaminated Areas

Groundwater: Medium Risk

Contaminants: Vinyl chloride 1000.0 ppb Antimony and compounds 1700.0 ppb Carbon disulfide 2000.0 ppb Arsenic (noncancer) 5100.0 ppb Vanadium 6100.0 ppb Molybdenum 9800.0 ppb Iron 15000.0 ppb Nickel and compounds 22200.0 ppb Barium and compounds 135000.0 ppb Manganese 625000.0 ppb

Soil: Medium Risk

Contaminants: Benzo[k]fluoranthene 0.04 ppb Carbon disulfide 0.05 ppb Chrysene 0.06 ppb Benzo[a]pyrene 0.06 ppb Fluoranthene 0.12 ppb Pyrene 0.17 ppb Mercury 1.8 ppb Molybdenum 2.0 ppb Antimony and compounds 8.5 ppb Arsenic (noncancer) 52.6 ppb Lead 72.0 ppb Vanadium 95.4 ppb Copper and compounds 122.0 ppb Zinc 174.0 ppb Barium and compounds 477.0 ppb Nickel and compounds 1640.0 ppb Manganese 2350.0 ppb Aluminum 22900.0 ppb Iron 42000.0 ppb

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Site ID: SITE 00065

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Jul 2001

Contaminated Areas

Soil: High Risk

Contaminants: DDE,4,4- 0.02 ppb Carbon disulfide 0.02 ppb DDD,4,4- 0.05 ppb Beryllium and compounds 0.16 ppb Pyrene 0.21 ppb Mercury 0.21 ppb Silver and compounds 0.26 ppb Chrysene 0.28 ppb Antimony and compounds 1.8 ppb Selenium 4.9 ppb Lead 56.2 ppb Copper and compounds 85.8 ppb Nickel and compounds 91.6 ppb Zinc 116.0 ppb Vanadium 135.0 ppb Barium and compounds 217.0 ppb Manganese and compounds 1780.0 ppb Aluminum 32100.0 ppb Iron 53900.0 ppb

Groundwater: Low Risk

Contaminants: Silver and compounds 500.0 ppb Molybdenum 2300.0 ppb Copper and compounds 2500.0 ppb Selenium 6500.0 ppb Vanadium 10300.0 ppb Nickel and compounds 11700.0 ppb Iron 16300.0 ppb Zinc 29700.0 ppb Barium and compounds 84700.0 ppb Manganese and compounds 2620000.0 ppb Calcium cyanide 161000000.0 ppb

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Site ID: SITE 00067

TREASURE ISLAND NS HUNTERS PT ANNEX

Disposal Pit and Dry Well

Cost

Unknown

Final Cleanup Action

Aug 2001

Contaminated Areas

Soil: Low Risk

Contaminants: Nickel (Soluble Salts) 100.0 ppb

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Site ID: SITE 00068

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Aug 2001

Contaminated Areas

Soil: High Risk

Contaminants: Endrin 0.01 ppb Methylene chloride 0.01 ppb Acetone 0.05 ppb Arochlor 1254 0.13 ppb Chrysene 0.22 ppb Fluoranthene 0.32 ppb Mercury 0.45 ppb Beryllium and compounds 0.56 ppb Pyrene 0.64 ppb Cadmium and compounds 0.64 ppb Antimony and compounds 2.3 ppb Molybdenum 10.7 ppb Nickel and compounds 118.0 ppb Vanadium 137.0 ppb Copper and compounds 141.0 ppb Barium and compounds 437.0 ppb Zinc 572.0 ppb Lead 750.0 ppb Manganese 2600.0 ppb Aluminum 30300.0 ppb Iron 42200.0 ppb

Sediment (Human): Low Risk

Contaminants: DDD,4,4- 0.01 ppb DDE,4,4- 0.01 ppb Arochlor 1254 0.04 ppb Carbazole 0.16 ppb Beryllium and compounds 0.26 ppb Benzo[k]fluoranthene 0.38 ppb Mercury 0.4 ppb Acenaphthene 0.43 ppb Indeno[1,2,3-cd]pyrene 0.49 ppb Naphthalene 0.51 ppb Fluorene 0.68 ppb Chrysene 1.4 ppb Benzo[b]fluoranthene 2.5 ppb Pyrene 3.0 ppb Cadmium and compounds 3.0 ppb Fluoranthene 3.6 ppb Molybdenum 7.8 ppb Arsenic (noncancer) 7.9 ppb Vanadium 38.1 ppb Barium and compounds 135.0 ppb Nickel and compounds 164.0 ppb Copper and compounds 306.0 ppb Manganese 653.0 ppb Lead 1470.0 ppb Zinc 1940.0 ppb Aluminum 9840.0 ppb Iron 62300.0 ppb

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Site ID: SITE 00070

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Aug 2001

Contaminated Areas

Soil: High Risk

Contaminants: Benzene 0.01 ppb Methoxychlor 0.01 ppb Anthracene 0.02 ppb Xylene 0.02 ppb Aldrin 0.02 ppb Dieldrin 0.02 ppb Endrin 0.02 ppb DDD,4,4- 0.02 ppb DDE,4,4- 0.02 ppb Carbon disulfide 0.02 ppb DDT 0.04 ppb Indeno[1,2,3-cd]pyrene 0.06 ppb Benzo[a]pyrene 0.14 ppb Chrysene 0.16 ppb Benzo[b]fluoranthene 0.25 ppb Benzo[k]fluoranthene 0.25 ppb Fluoranthene 0.27 ppb Pyrene 0.36 ppb Arochlor 1254 0.53 ppb Silver and compounds 0.58 ppb Beryllium and compounds 0.63 ppb Naphthalene 1.3 ppb Selenium 2.0 ppb Mercury 4.1 ppb Cadmium and compounds 4.1 ppb Antimony and compounds 7.8 ppb Methylnaphthalene,2 7.9 ppb Arsenic (noncancer) 25.3 ppb Molybdenum 34.6 ppb Vanadium 175.0 ppb Lead 789.0 ppb Zinc 1260.0 ppb Copper and compounds 1410.0 ppb Barium and compounds 2350.0 ppb Nickel and compounds 2500.0 ppb Manganese 11600.0 ppb Aluminum 45600.0 ppb Iron 84100.0 ppb

Groundwater: Medium Risk

Contaminants: Silver and compounds 1600.0 ppb Chloroform 2000.0 ppb Arsenic (noncancer) 2000.0 ppb Carbon disulfide 2000.0 ppb Copper and compounds 3900.0 ppb Selenium 4500.0 ppb Vanadium 7400.0 ppb Cadmium and compounds 24300.0 ppb Nickel and compounds 48800.0 ppb Aluminum 61000.0 ppb Zinc 76000.0 ppb Barium and compounds 91700.0 ppb Iron 95700.0 ppb Molybdenum 115000.0 ppb Manganese and compounds 2840000.0 ppb

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Site ID: SITE 00072

TREASURE ISLAND NS HUNTERS PT ANNEX

Storage Area

Cost

Unknown

Final Cleanup Action

Sep 2002

Contaminated Areas

Soil: High Risk

Contaminants: Chromium VI and compounds 0.21 ppb Beryllium and compounds 1.1 ppb Dibenz[ah]anthracene 2.0 ppb Indeno[1,2,3-cd]pyrene 4.2 ppb Cadmium and compounds 6.8 ppb Mercury 6.9 ppb Benz(a)anthracene 8.9 ppb Benzo[a]pyrene 12.0 ppb Chrysene 14.0 ppb Benzo(b)fluoranthene 17.0 ppb Molybdenum 21.7 ppb Antimony and compounds 43.5 ppb Silver and compounds 59.9 ppb Arsenic (cancer) 106.0 ppb Vanadium 257.0 ppb Lead 893.0 ppb Zinc 1650.0 ppb Barium and compounds 1740.0 ppb Nickel and compounds 2760.0 ppb Copper and compounds 2820.0 ppb Manganese 4550.0 ppb

Groundwater: Medium Risk

Contaminants: Chloroform 300.0 ppb Arsenic (cancer) 1600.0 ppb Benzene, 1,1'-oxybis(2,3,4,5,6-pentabromo-(9Cl) 2000.0 ppb Benzene 2000.0 ppb Copper and compounds 3900.0 ppb Lead 4200.0 ppb Nickel and compounds 27200.0 ppb Antimony and compounds 40300.0 ppb Manganese 2840000.0 ppb

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Site ID: SITE 00041

TREASURE ISLAND NS HUNTERS PT ANNEX

Contaminated Buildings

Cost

Unknown

Final Cleanup Action

Nov 1995

Contaminated Areas

Soil: Low Risk

Contaminants: Xylene (mixed) 0.02 ppb Naphthalene 0.1 ppb Phenol 0.11 ppb Carbazole 0.13 ppb Tetrachloroethylene (PCE) 0.18 ppb Mercury and compounds (inorganic) 0.23 ppb Dibenz[ah]anthracene 0.51 ppb Beryllium and compounds 0.53 ppb Selenium 0.78 ppb Fluorene 0.92 ppb Anthracene 1.6 ppb Indeno[1,2,3-cd]pyrene 1.7 ppb Molybdenum 1.7 ppb Cadmium and compounds 1.7 ppb Acenaphthene 1.7 ppb Benzo[k]fluoranthene 2.1 ppb Methylnaphthalene,2 2.7 ppb Benzo[a]pyrene 4.0 ppb Benzo[b]fluoranthene 4.5 ppb Chrysene 5.6 ppb Benz(a)anthracene 5.8 ppb Antimony and compounds 6.9 ppb Fluoranthene 7.3 ppb Arsenic (noncancer) 9.3 ppb Pyrene 9.6 ppb Vanadium 90.9 ppb Copper and compounds 175.0 ppb Lead 186.0 ppb Zinc 334.0 ppb Barium and compounds 1620.0 ppb Nickel and compounds 1690.0 ppb Manganese and compounds 9750.0 ppb Aluminum 32700.0 ppb Iron 47700.0 ppb

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Site ID: SITE 00077

TREASURE ISLAND NS HUNTERS PT ANNEX

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Apr 1995

Site ID: SITE 00052

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Jul 2003

Contaminated Areas

Soil: High Risk

Contaminants: DDE 0.01 ppb Xylene (mixed) 0.04 ppb DDT 0.04 ppb Methoxychlor 0.04 ppb Anthracene 0.08 ppb Dibenz[ah]anthracene 0.08 ppb Benz(a)anthracene 0.11 ppb Benzo[k]fluoranthene 0.14 ppb Polychlorinated biphenyls (PCBs) 0.18 ppb Benzo[a]pyrene 0.18 ppb Indeno[1,2,3-cd]pyrene 0.19 ppb Fluoranthene 0.19 ppb Chrysene 0.21 ppb Benzo[b]fluoranthene 0.28 ppb Bis(2-ethylhexyl)phthalate (DEHP) 0.29 ppb Pyrene 0.37 ppb Mercury and compounds (inorganic) 0.63 ppb Beryllium and compounds 0.74 ppb Antimony and compounds 0.89 ppb Cadmium and compounds 3.96 ppb Arsenic (noncancer) 12.77 ppb Vanadium 90.76 ppb Barium and compounds 383.79 ppb Nickel and compounds 403.38 ppb Zinc 580.17 ppb Manganese and compounds 837.39 ppb Lead 1282.44 ppb Copper and compounds 14267.4 ppb Aluminum 24381.3 ppb Iron 34272.2 ppb

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Site ID: SITE 00014

TREASURE ISLAND NS HUNTERS PT ANNEX

Surface Impoundment/Lagoon

Cost

Unknown

Final Cleanup Action

Sep 2001

Contaminated Areas

Soil: Medium Risk

Contaminants: Methyl ethyl ketone 0.01 ppb Methylene chloride 0.02 ppb Dibenz[ah]anthracene 0.06 ppb DDD,4,4- 0.08 ppb DDE 0.11 ppb Dibutyl phthalate 0.11 ppb Benzo[k]fluoranthene 0.21 ppb Toluene 0.28 ppb Benz(a)anthracene 0.4 ppb Chrysene 0.6 ppb Benzo[a]pyrene 0.6 ppb Benzo[b]fluoranthene 0.7 ppb Indeno[1,2,3-cd]pyrene 0.76 ppb Fluoranthene 1.1 ppb DDT 1.15 ppb Pyrene 1.3 ppb Mercury and compounds (inorganic) 2.0 ppb Beryllium and compounds 2.7 ppb Silver and compounds 2.9 ppb Butyl benzyl phthalate 3.27 ppb Bis(2-ethylhexyl)phthalate (DEHP) 4.2 ppb Polychlorinated biphenyls (PCBs) 6.2 ppb Arsenic (noncancer) 14.51 ppb Cadmium and compounds 20.6 ppb Molybdenum 33.4 ppb Antimony and compounds 39.0 ppb Barium and compounds 399.0 ppb Vanadium 402.0 ppb Lead 742.0 ppb Nickel and compounds 1720.0 ppb Zinc 1820.0 ppb Copper and compounds 1920.0 ppb Manganese and compounds 3100.47 ppb Aluminum 38810.5 ppb Iron 110000.0 ppb

Groundwater: Low Risk

Contaminants: Mercury and compounds (inorganic) 910.0 ppb Benzene 1000.0 ppb Chloroform 2000.0 ppb Arsenic (cancer) 4000.0 ppb Anthracene 8000.0 ppb Acenaphthene 13000.0 ppb Copper and compounds 13940.0 ppb Chrysene 14000.0 ppb Cadmium and compounds 14100.0 ppb Zinc 15150.0 ppb Pyrene 16000.0 ppb Lead 18020.0 ppb Molybdenum 21400.0 ppb Vanadium 29600.0 ppb Fluorene 35000.0 ppb Antimony and compounds 43600.0 ppb Aluminum 65800.0 ppb Nickel and compounds 130000.0 ppb Iron 343180.0 ppb Nitrate 660000.0 ppb Barium and compounds 3918400.0 ppb Manganese and compounds 4530000.0 ppb

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Site ID: SITE 00029

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Nov 2006

Contaminated Areas

Groundwater: High Risk

Contaminants: Heptachlor epoxide 10.0 ppb Endosulfan 70.0 ppb Aldrin 80.0 ppb DDE 150.0 ppb Tetrachloroethylene (PCE) 400.0 ppb Toluene 600.0 ppb Cadmium and compounds 750.0 ppb Lead 790.0 ppb 1,2-Dichlorobenzene 800.0 ppb Beryllium and compounds 890.0 ppb Silver and compounds 920.0 ppb Chlordane 1300.0 ppb Polychlorinated biphenyls (PCBs) 1900.0 ppb Selenium 2790.0 ppb Fluorene 3000.0 ppb Benzene 4000.0 ppb Nickel and compounds 4490.0 ppb Acenaphthene 5000.0 ppb Vanadium 6990.0 ppb Copper and compounds 10100.0 ppb Antimony and compounds 10850.0 ppb Zinc 14200.0 ppb Arsenic (cancer) 22530.0 ppb Methylnaphthalene,2 24000.0 ppb Molybdenum 29900.0 ppb Carbon disulfide 39000.0 ppb Naphthalene 42000.0 ppb Aluminum 115750.0 ppb Iron 207330.0 ppb Barium and compounds 332750.0 ppb Manganese and compounds 4980800.0 ppb

Sediment (Human): Low Risk

Contaminants: Dibenz[ah]anthracene 0.13 ppb Polychlorinated biphenyls (PCBs) 0.17 ppb Butyl benzyl phthalate 0.17 ppb Fluorene 0.17 ppb Acenaphthene 0.2 ppb Carbazole 0.29 ppb Benzo[b]fluoranthene 0.42 ppb Indeno[1,2,3-cd]pyrene 0.49 ppb Benzo[k]fluoranthene 0.69 ppb Anthracene 0.73 ppb Benzo[a]pyrene 0.83 ppb Benz(a)anthracene 0.83 ppb Mercury and compounds (inorganic) 0.88 ppb Chrysene 1.0 ppb Pyrene 1.7 ppb Fluoranthene 2.1 ppb Silver and compounds 17.5 ppb Arsenic (noncancer) 38.5 ppb Vanadium 47.5 ppb Calcium cyanide 55.2 ppb Molybdenum 203.0 ppb Antimony and compounds 438.0 ppb Barium and compounds 1350.0 ppb Nickel and compounds 2550.0 ppb Manganese and compounds 2660.0 ppb Copper and compounds 3080.0 ppb Lead 3700.0 ppb Zinc 11900.0 ppb Aluminum 73800.0 ppb Iron 364000.0 ppb

Soil: Low Risk

Contaminants: Endrin 0.01 ppb Ethylbenzene 0.02 ppb Chlordane 0.02 ppb Toluene 0.03 ppb DDD,4,4- 0.07 ppb DDE 0.07 ppb Bis(2-ethylhexyl)phthalate (DEHP) 0.08 ppb Dibutyl phthalate 0.09 ppb Xylene (mixed) 0.16 ppb Naphthalene 0.17 ppb DDT 0.19 ppb Fluorene 0.22 ppb Carbazole 0.24 ppb Dibenz[ah]anthracene 0.27 ppb Acenaphthene 0.3 ppb Indeno[1,2,3-cd]pyrene 0.59 ppb Anthracene 0.63 ppb Benzo[b]fluoranthene 0.89 ppb Benzo[k]fluoranthene 1.0 ppb Benzo[a]pyrene 1.0 ppb Beryllium and compounds 1.04 ppb Methylnaphthalene,2 1.1 ppb Benz(a)anthracene 1.3 ppb Selenium 1.4 ppb Chrysene 1.5 ppb Fluoranthene 2.6 ppb Pyrene 2.8 ppb Polychlorinated biphenyls (PCBs) 4.6 ppb Silver and compounds 15.7 ppb Mercury and compounds (inorganic) 16.0 ppb 2-Chlorophenol 16.17 ppb Phenol 20.39 ppb Arsenic (noncancer) 24.4 ppb Molybdenum 59.3 ppb Cadmium and compounds 86.6 ppb Vanadium 226.04 ppb Antimony and compounds 410.0 ppb Barium and compounds 936.0 ppb Manganese and compounds 1846.93 ppb Nickel and compounds 2780.0 ppb Copper and compounds 3930.0 ppb Lead 4280.0 ppb Zinc 33700.0 ppb Aluminum 77500.0 ppb Iron 243000.0 ppb

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Site ID: SITE 00056

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Sep 2002

Contaminated Areas

Soil: Medium Risk

Contaminants: Xylene (mixed) 0.01 ppb Naphthalene 0.03 ppb Dibenz[ah]anthracene 0.04 ppb Acenaphthene 0.09 ppb Anthracene 0.1 ppb Benz(a)anthracene 0.2 ppb Methylnaphthalene,2 0.21 ppb Fluoranthene 0.37 ppb Benzo[a]pyrene 0.46 ppb Indeno[1,2,3-cd]pyrene 0.53 ppb Pyrene 0.54 ppb Benzo[b]fluoranthene 0.54 ppb Benzo[k]fluoranthene 0.56 ppb Chrysene 0.6 ppb Phenol 0.7 ppb Cadmium and compounds 0.83 ppb Beryllium and compounds 0.88 ppb Silver and compounds 1.86 ppb Antimony and compounds 7.27 ppb Mercury and compounds (inorganic) 17.45 ppb Arsenic (noncancer) 21.82 ppb Vanadium 91.9 ppb Lead 150.85 ppb Copper and compounds 535.97 ppb Zinc 567.46 ppb Nickel and compounds 989.14 ppb Barium and compounds 1315.11 ppb Manganese and compounds 6041.51 ppb Aluminum 22999.8 ppb Iron 41872.6 ppb

Groundwater: Low Risk

Contaminants: Selenium 3310.0 ppb Fluorene 4000.0 ppb Vanadium 4200.0 ppb Methylnaphthalene,2 15000.0 ppb Naphthalene 27000.0 ppb Nickel and compounds 28780.0 ppb Ethylbenzene 71000.0 ppb Barium and compounds 177960.0 ppb Aluminum 315270.0 ppb Iron 904330.0 ppb Manganese and compounds 2850790.0 ppb

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Site ID: SITE 00069

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Aug 2001

Contaminated Areas

Soil: High Risk

Contaminants: Acetone 0.01 ppb Chloroform 0.01 ppb Carbon disulfide 0.01 ppb Ethyl benzene 0.02 ppb Benzo[b]fluoranthene 0.17 ppb Xylene 0.22 ppb Fluoranthene 0.23 ppb Pyrene 0.32 ppb Mercury 0.38 ppb Cadmium and compounds 0.92 ppb Molybdenum 3.7 ppb Antimony and compounds 9.3 ppb Arsenic (noncancer) 13.9 ppb Copper and compounds 135.0 ppb Vanadium 172.0 ppb Nickel and compounds 193.0 ppb Barium and compounds 312.0 ppb Lead 916.0 ppb Zinc 1160.0 ppb Manganese 1980.0 ppb Aluminum 29000.0 ppb Iron 58300.0 ppb

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Site ID: SITE 00026

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Jan 2001

Contaminated Areas

Soil: High Risk

Contaminants: Toluene 0.01 ppb Xylene (mixed) 0.02 ppb Methyl isobutyl ketone 0.03 ppb Acetone 0.08 ppb Dibenz[ah]anthracene 0.38 ppb Acenaphthene 0.44 ppb Anthracene 0.49 ppb Benzo[k]fluoranthene 0.57 ppb N-Nitrosodiphenylamine 0.62 ppb Fluorene 0.67 ppb Benzo[a]pyrene 0.88 ppb Indeno[1,2,3-cd]pyrene 0.99 ppb Beryllium and compounds 1.0 ppb Benz(a)anthracene 1.2 ppb Fluoranthene 1.3 ppb Naphthalene 1.3 ppb Polychlorinated biphenyls (PCBs) 1.5 ppb Chrysene 1.5 ppb Cadmium and compounds 1.57 ppb Mercury and compounds (inorganic) 1.58 ppb Silver and compounds 1.7 ppb Benzo[b]fluoranthene 1.8 ppb Methylnaphthalene,2 2.5 ppb Pyrene 3.1 ppb Tetrachloroethylene (PCE) 4.6 ppb Antimony and compounds 7.6 ppb Arsenic (noncancer) 14.6 ppb Trichloroethylene (TCE) 21.0 ppb Molybdenum 22.19 ppb Vanadium 109.0 ppb Copper and compounds 179.0 ppb Lead 233.0 ppb Zinc 968.0 ppb Nickel and compounds 1350.0 ppb Barium and compounds 2300.0 ppb Manganese and compounds 11200.0 ppb Aluminum 29600.0 ppb Iron 48900.0 ppb

Groundwater: Medium Risk

Contaminants: Vinyl chloride 1000.0 ppb Vanadium 1480.0 ppb Mercury and compounds (inorganic) 1730.0 ppb Bis(2-ethylhexyl)phthalate (DEHP) 4000.0 ppb Acetone cyanohydrin 9000.0 ppb Dimethyl phthalate 18000.0 ppb Carbon disulfide 24000.0 ppb Arsenic (cancer) 41610.0 ppb Nickel and compounds 80350.0 ppb Molybdenum 168940.0 ppb Barium and compounds 268410.0 ppb 2,4,6-Trichlorophenol 300000.0 ppb Aluminum 1066820.0 ppb Manganese and compounds 1888270.0 ppb Iron 19825900.0 ppb

Sediment (Human): Low Risk

Contaminants: Indeno[1,2,3-cd]pyrene 0.1 ppb 2-Methylphenol 0.11 ppb Benzo[k]fluoranthene 0.12 ppb Benzo[a]pyrene 0.14 ppb Benz(a)anthracene 0.16 ppb Benzo[b]fluoranthene 0.24 ppb Chrysene 0.24 ppb Pyrene 0.35 ppb Fluoranthene 0.47 ppb Arsenic (noncancer) 2.7 ppb Vanadium 11.1 ppb Barium and compounds 37.1 ppb Lead 75.2 ppb Manganese and compounds 190.0 ppb Copper and compounds 239.0 ppb Zinc 456.0 ppb Aluminum 2850.0 ppb Iron 13000.0 ppb

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Site ID: SITE 00042

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Jan 2001

Contaminated Areas

Soil: Low Risk

Contaminants: Methylnaphthalene,2 0.03 ppb Fluorene 0.05 ppb Mercury and compounds (inorganic) 0.13 ppb Beryllium and compounds 0.38 ppb Cadmium and compounds 1.6 ppb Molybdenum 1.8 ppb Lead 6.6 ppb Arsenic (noncancer) 7.4 ppb Vanadium 66.3 ppb Copper and compounds 75.1 ppb Zinc 78.8 ppb Barium and compounds 476.0 ppb Nickel and compounds 765.0 ppb Manganese and compounds 2640.0 ppb Aluminum 26700.0 ppb Iron 38700.0 ppb

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Site ID: SITE 00066

TREASURE ISLAND NS HUNTERS PT ANNEX

Maintenance Yard

Cost

Unknown

Final Cleanup Action

Jun 1997

Contaminated Areas

Soil: Low Risk

Contaminants: Nickel (Soluble Salts) 100.0 ppb

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Site ID: SITE 00073

TREASURE ISLAND NS HUNTERS PT ANNEX

Above Ground Storage Tank

Cost

Unknown

Final Cleanup Action

Sep 2001

Contaminated Areas

Groundwater: Medium Risk

Contaminants: Copper and compounds 4100.0 ppb Manganese 1370000.0 ppb

Soil: Low Risk

Contaminants: Beryllium and compounds 0.15 ppb Arsenic (cancer) 9.0 ppb Mercury 10.3 ppb Lead 55.7 ppb Nickel and compounds 159.0 ppb Zinc 276.0 ppb Benzo[a]pyrene 480.0 ppb Manganese 1120.0 ppb

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Site ID: SITE 00035

TREASURE ISLAND NS HUNTERS PT ANNEX

Spill Site Area

Cost

Unknown

Final Cleanup Action

Aug 2001

Contaminated Areas

Sediment (Human): High Risk

Contaminants: Toluene 0.01 ppb Xylene (mixed) 0.03 ppb Polychlorinated biphenyls (PCBs) 0.19 ppb Diethyl phthalate 0.71 ppb Selenium 1.6 ppb Butyl benzyl phthalate 1.7 ppb Dibutyl phthalate 2.3 ppb Mercury and compounds (inorganic) 2.7 ppb N-Nitrosodiphenylamine 2.7 ppb Acenaphthene 4.3 ppb Methylnaphthalene,2 4.5 ppb Naphthalene 6.0 ppb Fluorene 14.0 ppb Bis(2-ethylhexyl)phthalate (DEHP) 18.0 ppb Benzo[a]pyrene 22.0 ppb Benzo[k]fluoranthene 32.0 ppb Benzo[b]fluoranthene 33.0 ppb Silver and compounds 34.5 ppb Chrysene 39.0 ppb Benz(a)anthracene 40.0 ppb Pyrene 56.0 ppb Fluoranthene 110.0 ppb Arsenic (noncancer) 144.0 ppb Calcium cyanide 187.0 ppb Vanadium 199.0 ppb Antimony and compounds 533.0 ppb Molybdenum 803.0 ppb Barium and compounds 1150.0 ppb Manganese and compounds 1470.0 ppb Aluminum 8570.0 ppb Lead 8820.0 ppb Copper and compounds 11400.0 ppb Zinc 13000.0 ppb Nickel and compounds 153000.0 ppb Iron 200000.0 ppb

Soil: High Risk

Contaminants: Xylene (mixed) 0.01 ppb Dieldrin 0.01 ppb DDD,4,4- 0.04 ppb Fluorene 0.05 ppb DDE 0.08 ppb Naphthalene 0.08 ppb Anthracene 0.11 ppb Dimethyl phthalate 0.17 ppb Acenaphthene 0.17 ppb Phenol 0.19 ppb Silver and compounds 0.21 ppb DDT 0.33 ppb Carbazole 0.34 ppb Mercury and compounds (inorganic) 0.48 ppb Beryllium and compounds 0.53 ppb Indeno[1,2,3-cd]pyrene 0.57 ppb Selenium 0.61 ppb Benzo[k]fluoranthene 0.7 ppb Benz(a)anthracene 0.71 ppb Polychlorinated biphenyls (PCBs) 0.95 ppb Chrysene 0.99 ppb Benzo[a]pyrene 1.0 ppb Fluoranthene 1.4 ppb Pyrene 1.6 ppb Benzo[b]fluoranthene 2.2 ppb Cadmium and compounds 3.15 ppb Arsenic (noncancer) 5.87 ppb Molybdenum 6.28 ppb Antimony and compounds 9.31 ppb Nickel and compounds 109.0 ppb Vanadium 132.04 ppb Lead 253.42 ppb Barium and compounds 332.0 ppb Copper and compounds 461.62 ppb Zinc 916.16 ppb Manganese and compounds 1360.0 ppb Aluminum 29100.0 ppb Iron 52189.4 ppb

Groundwater: Low Risk

Contaminants: Vanadium 3560.0 ppb Barium and compounds 96640.0 ppb Manganese and compounds 517800.0 ppb

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

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

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