Alameda Point Naval Air Station
Environmental Baseline Survey

Parcels P161-P180


Parcel P161 | Parcel P162 | Parcel P163 | Parcel P164 | Parcel P165 | Parcel P166 | Parcel P167
Parcel P168 | Parcel P169 | Parcel P170 | Parcel P171 | Parcel P172 | Parcel P173 | Parcel P174
Parcel P15 | Parcel P176 | Parcel P177 | Parcel P178 | Parcel P179 | Parcel P180 | Zone Index

Parcel P161

BRAC1 No Evidence of Spill
No soil or groundwater samples were collected from this parcel during the EBS sampling program.


Parcel P162

BRAC2 No Cleanup Proposed
Soil Exposure: Motor oil (900 mg/kg max.) was found in samples collected from this parcel. A Tier 1 Risk Screen was not performed.

No groundwater samples were collected from this parcel during the EBS sampling program.


Parcel P163 Bulk Diesel Fuel Tanks

BRAC3 No Cleanup Proposed
Soil Exposure: Gasoline (2.4 mg/kg max. ) is found in samples from this parcel. Petroleum products were not included in the Risk Screen.

Residential Tier 1 Risk Screen indicates acceptable cancer risk, 3.2 x 10-7 from soil exposure. Primary soil contaminant is PCBs (0.021 mg/kg max.).

No groundwater samples were collected from this parcel during the EBS sampling program.


Parcel P164

BRAC3 No Cleanup Proposed
No soil or groundwater samples were collected from this parcel during the EBS sampling program.


Parcel P165

BRAC3 No Cleanup Proposed
Soil Exposure: Diesel Fuel (30 mg/kg max.) is found in soil samples at this parcel. Petroleum products were not included in the Risk Screen.

Residential Tier 1 Risk Screen indicates acceptable cancer risk, 3.9 x 10-9 from soil exposure. Primary soil contaminant is bis(2-ethylhexyl)phthalate (0.038 mg/kg max.) and methylene chloride (0.038 mg/kg max.).

No groundwater samples were collected from this parcel during the EBS sampling program.


Parcel P166

BRAC3 No Cleanup Proposed
No soil or groundwater samples were collected from this parcel during the EBS sampling program.


Parcel P167

BRAC3 No Cleanup Proposed
Soil Exposure: Residential Tier 1 Risk Screen indicates acceptable cancer risk, 3.0 x 10-9. Primary soil contaminant is bis(2-ethylhexyl)phthalate (0.0968 mg/kg max.). An acceptable non-cancer risk, Hazard Index=0.17, was also reported. The principle compound responsible for non-cancer riskwas antimony (5.2 mg/kg max.).

No groundwater samples were collected from this parcel during the EBS sampling program.


Parcel 168

BRAC3 No Cleanup Proposed
Soil Exposure: Residential Tier 1 Risk Screen indicated an unacceptable cancer risk of 1.8 x 10-5 for soil exposure. The primary contaminants are benzo(a)pyrene (2.7 mg/kg max.) and other polynuclear aromatic hydrocarbons. Residential Tier 1 Risk Screen indicated an accepatable non-cancer risk, Hazard Index=0.492, for soil exposure. The primary contaminants are lead (72 mg/kg max.) and manganese (1,070 mg/kg max.).

Groundwater Exposure: Diesel fuel (130 µg/L in groundwater) is found in samples from this parcel. Petroleum products were not included in the Risk Screen.

Residential Tier 1 Risk Screen indicated an accepatable non-cancer risk, Hazard Index=0.2, for groundwater exposure. The primary contaminant is manganese (172 µg/L max.).


Parcel 169

BRAC3 No Cleanup Proposed
Soil Exposure: Diesel fuel (350 mg/kg in soil max.) is found in soil samples at this parcel. Petroleum products were not included in the Risk Screen.

Residential Tier 1 Risk Screen indicated an unaccepatable cancer risk of 7.3 x 10-6 for soil exposure. The primary contaminants are benzo(a)pyrene (0.064 mg/kg max.), and the pesticides chlordane (2.1 mg/kg max.), and heptachlor epoxide (0.017 mg/kg max.). Residential Tier 1 Risk Screen indicated an acceptable non-cancer risk, Hazard Index=0.772, for soil exposure. The primary contaminants are chlordane and mercury (2.1 mg/kg max.).

No groundwater samples were collected from this parcel during the EBS sampling program.


Parcel P170

BRAC3 No Cleanup Proposed
Soil Exposure: Residential Tier 1 Risk Screen indicates acceptable cancer risk, 1.4 x 10-7 from soil exposure. Primary soil contaminants are the pesticides DDT (0.095 mg/kg max.) and chlordane (0.023 mg/kg total).

No groundwater samples were collected from this parcel during the EBS sampling program.


Parcel P171

BRAC3 No Cleanup Proposed
Soil Exposure: Residential Tier 1 Risk Screen indicates acceptable cancer risk, 2.0 x 10-8 from soil exposure. Primary soil contaminants are the pesticides DDT (0.020 mg/kg max.)

No groundwater samples were collected from this parcel during the EBS sampling program.


Parcel P172

ANNEX
Annex information is not currently available.

Parcel P173

ANNEX
Annex information is not currently available.

Parcel P174

ANNEX
Annex information is not currently available.

Parcel P175

ANNEX
Annex information is not currently available.

Parcel P176

ANNEX
Annex information is not currently available.

Parcel P177

ANNEX
Annex information is not currently available.

Parcel P178

BRAC3 No Cleanup Proposed
Soil Exposure: Residential Tier 1 Risk Screen indicates acceptable cancer risk, 2.0 x 10-9 from soil exposure. Primary soil contaminants are the pesticides DDT (0.0026 mg/kg max.)

No groundwater samples were collected from this parcel during the EBS sampling program.


Parcel P179 George Miller Public School

BRAC3 No Cleanup Proposed
Soil Exposure: Residential Tier 1 Risk Screen indicates unacceptable cancer risk, 3.5 x 10-5 from soil exposure. Primary soil contaminant is arsenic (13.9 mg/kg max.). Residential Tier 1 Risk Screen indicates unacceptable non-cancer risk, Hazard Index=1.85, from soil exposure. Primary soil contaminants are aluminum (18,500 mg/kg max.), arsenic, manganese (1,260 mg/kg max.), thallium (1.9 mg/kg max.), and vanadium (123 mg/kg max.). A subsequent Tier 2 Risk Screen indicated the following:

No groundwater samples were collected from this parcel during the EBS sampling program.


Parcel 180 Child Development Center

BRAC3 No Cleanup Proposed
Soil Exposure: Residential Tier 1 Risk Screen indicated an unaccepatable cancer risk of 4.4 x 10-5 for soil exposure. The prinicple contaminants include arsenic (10.1 mg/kg max.), and beryllium (2.2 mg/kg max.) Residential Tier 1 Risk Screen indicated an unacceptable hazard index of 2.83. This value was principally due to aluminum (17,000 mg/kg max.), arsenic, manganese (2,300 mg/kg max.), nickel (130 mg/kg max.), thallium (0.96 mg/kg max.), and vanadium (81.3 mg/kg max.). A subsequent Tier 2 Risk Screen indicated the following:

No groundwater samples were collected from this parcel during the EBS sampling program.


Parcel P1-20 | Parcel P21-40 | Parcel P41-60 | Parcel P61-80 | Parcel P81-90 | Parcel P101-20
Parcel P121-40 | Parcel P141-60 | Parcel P161-80 | Parcel P181-200 | Parcel P201-14 | Zone Index

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February 1, 1998
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