Table 3
No-Further-Action CERCLA Sites

Site No.

Site Name

Human Health Risk (Unrestricted Use) and Rationale

Ecological Risk (Hazard Index) and Rationale

SWMU 3

Clam Lagoon Landfill

Screened out based on preliminary evaluation of sample results.

Screened out based on preliminary evaluation of sample results.

SWMU 5

North Davis Road Landfill

Screened out based on preliminary evaluation of sample results.

Screened out based on preliminary evaluation of sample results.

SWMU 6

Andrew Lake Drum Disposal Area 1

None. No chemicals found above criteria.

None. No chemicals found above criteria.

SWMU 7

Andrew Lake Drum Disposal Area 2

1 x 10-6
0.65 (noncancer, incremental)

3.2
Drums and some soil removed.

SWMU 9

Black Powder Club

None. Estimated lead levels are below criteria.

None calculated.

SWMU 12

Quartermaster Road Debris Disposal Area

Deferred to SAERA.

Deferred to SAERA.

SWMU 21B

White Alice Lower Quarry

Screened out based on preliminary evaluation of sample results.

Screened out based on preliminary evaluation of sample results.

SWMU 21C

White Alice East Disposal Area

Screened out based on preliminary evaluation of sample results.

Screened out based on preliminary evaluation of sample results.

SWMU 26

Mitt Lake Drum Disposal Area

None calculated. Chemical concentrations below levels of concern.

None calculated. After drums removed, chemical concentrations below levels of concern.

SWMU 27

Lake Leone Drum Disposal Area

2 x 10-7
<0.01 (noncancer)

Drums removed and sediment covered to eliminate ecological exposure.

SWMU 28

Lake Betty Drum Disposal Area

None calculated. No evidence of contamination after drums removed based on visual inspection and historical record review.

None calculated. No evidence of contamination after drums removed based on visual inspection and historical record review.

SWMU 30

Magazine 4 Landfill

None. No observed sources at the site based on sampling and subsurface investigations.

None. No observed sources at the site based on sampling and subsurface investigations.

SWMU 42

GSE Steam Clean Oil/Water Separator

None calculated. No evidence of contamination based on visual inspection and historical record review.

None calculated. No evidence of contamination based on visual inspection and historical record review.

SWMU 43

AIMD Acid Battery Storage Area

None calculated. No evidence of contamination based on visual inspection and historical record review.

None calculated. No evidence of contamination based on visual inspection and historical record review.

SWMU 51

NSGA Transportation Bldg. 10354 Waste Storage Area

None calculated. Screened out based on sampling and modeling results.

None calculated. No evidence of contamination based on visual inspection. Screened out based on sampling and modeling results.

SWMU 54

NMCB Battery Storage

None calculated. No evidence of contamination based on visual inspection and historical record review.

None calculated. No evidence of contamination based on visual inspection and historical record review.

SWMU 65

Contractor's Camp Fire/Demolition Site

None. No chemicals found above criteria.

None. No chemicals found above criteria.

SWMU 66

Palisades Lake PCB Spill

Screened out based on preliminary evaluation of sample results.

Screened out based on preliminary evaluation of sample results.

SWMU 68

New Pesticide Storage Area

No action under FFA based on site visit and available information.

No action under FFA based on site visit and available information.

SWMU 69

Ski Lodge Waste Pile

None calculated. No evidence of contamination based on visual inspection and historical record review.

None calculated. No evidence of contamination based on visual inspection and historical record review.

SWMU 70

Davis Road Asphalt Drums

None calculated. No evidence of contamination based on visual inspection and historical record review.

None calculated. No evidence of contamination based on visual inspection and historical record review.

SWMU 71

NSGA Fueling Facility

No action under FFA based on site visit and available information.

No action under FFA based on site visit and available information.

SWMU 72

NSGA Transportation Building 10354

No evidence of contamination in building based on visual inspection. (USTs evaluated were for SA 78, which is a SAERA site.)

No evidence of contamination in building based on visual inspection. (USTs evaluated were for SA 78, which is a SAERA site.)

SWMU 74

Old Batch Facility

Minimal residual risk because asphaltic material was removed and clean cover placed.

<1
Cleanup completed in August 1998.

SA 75

Asphalt Storage Area

1 x 10-6
<0.01 (noncancer)

2.0
Minimal impact.

SA 83

Former Chiefs Club Station

No action under FFA based on site visit and available information.

No action under FFA based on site visit and available information.

SA 90

Husky Road Landfill

No action under FFA based on site visit and available information.

No action under FFA based on site visit and available information.

SA 91

Airplane Crash Sites

None calculated. No evidence of contamination based on visual inspection.

None calculated. No evidence of contamination based on visual inspection.

SA 92

Waste Ordnance Pile (Fin Field)

9 x 10-7
<0.01 (noncancer)

23
Ordnance and soil removed.

SA 94

Chemical Weapons Disposal Area

None calculated. No evidence of contamination based on visual inspection and extensive historical record search.

None calculated. No evidence of contamination based on visual inspection and extensive historical record search.

SA 95

Transformer Disposal Area

8 x 10-6
<0.01 (noncancer)

17
Transformer and sediment removed.

None

Clam Lagoon*

5 x 10-7
0.03 (noncancer)

62
Minimal impact.

None

Andrew Lake*

1 x 10-6
0.2 (noncancer)

9.0
Minimal impact.

Total no-further-action CERCLA sites: 33

*Exposure for these sites is based on recreational fishing.
Notes:
Risk-based screening concentrations that were used to calculate human health and ecological risks are based on EPA and Adak-specific exposure assumptions. These assumptions are described in Section 6.
AIMD - Aircraft Intermediate Maintenance Detachment
CERCLA - Comprehensive Environmental Response, Compensation, and Liability Act
FFA - Federal Facilities Agreement
GSE - ground support equipment
NMCB - Naval Mobile Construction Battalion
NSGA - Naval Security Group Activity
PCB - polychlorinated biphenyl
SA - source area
SAERA - State-Adak Environmental Restoration Agreement
SWMU - solid waste management unit
UST - underground storage tank
Source: US Navy, ADEC, and USEPA 2000