Alameda Point Naval Air Station
Environmental Baseline Survey

Parcels P141-P160


Parcel P141 | Parcel P142 | Parcel P143 | Parcel P144 | Parcel P145 | Parcel P146 | Parcel P147
Parcel P148 | Parcel P149 | Parcel P150 | Parcel P151 | Parcel P152 | Parcel P153 | Parcel P154
Parcel P155 | Parcel P156 | Parcel P157 | Parcel P158 | Parcel P159 | Parcel P160 | Zone Index

Parcel P141

BRAC3 No Cleanup Proposed
Soil Exposure: Residential Tier 1 Risk Screen indicates acceptable non-cancer risk, Hazard Index=0.000, from soil exposure. The only chemical of concern was di(n)butyl phthalate (0.065 mg/kg max.)

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


Parcel P142

BRAC6Cleanup Required
  • Zone Z22
  • Building B616 Yard13
  • SWMU/D-13, SWMU/B616
  • Site IR19
No soil or groundwater samples were collected from this parcel during the EBS sampling program.


Parcel P143

BRAC6Cleanup Required
  • Zone Z03
  • Building B360, B610
  • GAP1,-49A,-50,-51,-52,-53,-55,-56,-57A,-58,-80,-(?)
  • UST T163-1
  • Site IR4
Insert Results of Tier 1 Risk Screen. 2.9 x 10-5

Parcel 144 Main Street Soccer Field

BRAC3 No Cleanup Proposed
Soil Exposure: Residential Tier 1 Risk Screen indicated an unacceptable cancer risk of 1.1 x 10-5 for soil exposure. The primary contaminant is benzo(a)pyrene (0.95 mg/kg max.) and other polynuclear aromatic hydrocarbons.

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


Parcel P145 Former Gas Station/Car Wash

BRAC2 No Cleanup Proposed
Soil Exposure: Residential Tier 1 Risk Screen indicates acceptable cancer risk, 5.4 x 10-7 from soil exposure. Only reported soil contaminant is benzo(a)pyrene (0.033 mg/kg max.).

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


Parcel P146

BRAC6Cleanup Required

Parcel P147

BRAC6Cleanup Required
  • Zone Z22
  • Building B397
  • GAP62, AOC(?)
  • Site IR13
Soil Exposure: Gasoline (320 mg/kg in soil) and Diesel fuel (2,000 mg/kg max. in soil) are found in samples from this parcel. Petroleum products were not included in the Risk Screen.

Residential Tier 1 Risk Screen indicated an unaccepatable cancer risk of 1.4 x 10-5 for soil exposure. The primary contaminants is beryllium (1.8 mg/kg max.). Acceptable non-cancer risk, Hazard Index=0.298. Primary contaminant is lead (38 mg/kg max.)

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


Parcel P148

BRAC6Cleanup Required
  • Zone Z22
  • Building B530
  • GAP63, GAP63A, GAP64
  • Site IR23
Soil Exposure: Residential Tier 1 Risk Screen indicated an acceptable cancer risk of 1.4 x 10-9 for soil exposure. The primary contaminants is methylene chloride (0.011 mg/kg max.). Acceptable non-cancer risk, Hazard Index=0.000. Primary contaminants are methylene chloride and diethyl phthalate (38 mg/kg max.).

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


Parcel P149

BRAC6Cleanup Required
Soil Exposure: Residential Tier 1 Risk Screen indicated an acceptable cancer risk of 3.1 x 10-7 for soil exposure. The primary contaminant is chlordane (0.105 mg/kg total). Acceptable non-cancer risk, Hazard Index=0.027. Primary contaminant is chlordane.

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


Parcel P150

BRAC3 No Cleanup Proposed
Soil Exposure: Diesel fuel (510 µg/L max. in groundwater) is found in groundwater samples at this parcel. Petroleum products were not included in the Risk Screen.

Residential Tier 1 Risk Screen indicates acceptable cancer risk, 3.6 x 10-7 from soil exposure. Primary soil contaminant is benzo(a)anthracene (0.20 mg/kg max.)

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


Parcel P151

BRAC3 No Cleanup Proposed
Soil Exposure: Residential Tier 1 Risk Screen indicates acceptable cancer risk, 3.5 x 10-9 from soil exposure. Primary soil contaminant is methylene chloride (0.058 mg/kg max.). Tier 1 Risk Screen indicates acceptable non-cancer risk, Hazard Index=0.155. Primary contaminant is antimony (7.3 mg/kg max.).

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


Parcel P152

BRAC6 Cleanup Required
No soil or groundwater samples were collected from this parcel during the EBS sampling program.


Parcel P153

BRAC3 No Cleanup Proposed
Soil Exposure: Gasoline (2.4 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, 2.6 x 10-9 from soil exposure. Primary soil contaminant is bis(2-ethylhexyl)phthalate (0.063 mg/kg max.). The Tier 1 Risk Screen indicates and acceptable non-cancer risk, Hazard Index=0.78, from soil exposure. The primary contaminants responsible for the non-cancer included aluminum(16,200 mg/kg max.), nickel (69.3 mg/kg max.), and vanadium (56.7 mg/kg max.).

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


Parcel 154

BRAC3 No Cleanup Proposed
Soil Exposure: Diesel fuel (25,000 mg/kg in soil and 1,700 µg/L max. in groundwater) are found in soil and groundwater samples at this parcel. Petroleum products were not included in the Risk Screen.

Residential Tier 1 Risk Screen indicated an unaccepatable cancer risk of 1.9 x 10-6 for soil exposure. The primary contaminants is beryllium (1.4 mg/kg max.). A subsequent Tier 2 Risk Screen indicated the following:

Groundwater Exposure: Diesel fuel (25,000 mg/kg in soil and 1,700 µg/L max. in groundwater) are found in soil and groundwater samples at this parcel. Petroleum products were not included in the Risk Screen.

Residential Tier 1 Risk Screen indicated an unaccepatable cancer risk of 1.9 x 10-6 for soil exposure. The primary contaminants is beryllium (1.4 mg/kg max.). Residential Tier 1 Risk Screen also indicates an unaccepatable cancer risk of 1.1 x 10-4 for groundwater exposure. Primary groundwater contaminants are arsenic (3.6 µg/L max.), and chloroform (9.0 µg/L max.). A subsequent Tier 2 Risk Screen indicated the following:

Parcel P155

BRAC3 No Cleanup Proposed
Soil Exposure: Residential Tier 1 Risk Screen indicates acceptable non-cancer risk, Hazard Index=0.002, from soil exposure. Primary soil contaminant is the polynuclear aromatic hydrocarbons fluorene (0.14 mg/kg max.).

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


Parcel P156

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


Parcel P157

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


Parcel P158

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


Parcel P159

BRAC3 No Cleanup Proposed
Soil Exposure: Diesel Fuel (7.0 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 non-cancer risk, Hazard Index=0.000, from soil exposure. Primary soil contaminant is di(n)butylphthalate (0.14 mg/kg max.).

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

Parcel P160

BRAC3 No Cleanup Proposed
Soil Exposure: Residential Tier 1 Risk Screen indicates acceptable cancer risk, 4.2 x 10-9 from soil exposure. Primary soil contaminant is the polynuclear aromatic hydrocarbons chrysene (0.021 mg/kg max.).

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 P81-100 | 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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