PUBLIC HEALTH ASSESSMENT

NAVAL AIR FACILITY, ADAK
(a/k/a ADAK NAVAL AIR STATION)
ADAK, ALEUTIAN ISLANDS CENSUS, ALASKA



Table 4. Sweeper Cove and Sweeper Creek Resident Fish and Shellfish Exposure Estimates
Biota Type Biota Portion Contaminant Location Maximum Contaminant Value Units Fish RBC (mg/kg) Effect EPA Reference Dose (mg/kg/d) Estimated Noncancer Dose (mg/kg/day) ATSDR Conclusion for Noncancerous Health Effects Estimated Cancer Dose (mg/kg/day) Cancer Slope Factor Cancer Risk Estimate ATSDR Conclusion for Cancer Risk Lowest Observed Adverse Effect Level (mg/kg/day)
MUSSEL ALL, WET AROCLOR 1260 SWEEPCOV/718 0.0306 ppm 0.0016 C 2.0E-05 1.593E-05 No Hazard 6.827E-06 2 1.365E-05 No Hazard  
MUSSEL ALL, WET ARSENIC SWEEPCOV/718 1.47 ppm 0.0021 C 3.0E-04 7.652E-04 EXCEEDS 3.279E-04 1.5 4.919E-04 EXCEEDS No Adverse Effect
MUSSEL ALL, WET CADMIUM SWEEPCOV/718 1.26 ppm 1.3519 N 1.0E-03 6.559E-04 No Hazard 2.811E-04        
MUSSEL ALL, WET CHROMIUM SWEEPCOV/718 0.415 ppm 2000.0000 N 1.5E+00 2.160E-04 No Hazard 9.258E-05        
MUSSEL ALL, WET PCBs SWEEPCOV/718 0.0306 ppm 0.0016 C 2.0E-05 1.593E-05 No Hazard 6.827E-06 2 1.365E-05 No Hazard  
MUSSEL ALL, WET AROCLOR 1260 SWEEPCOV/719 0.0332 ppm 0.0016 C 2.0E-05 1.728E-05 No Hazard 7.407E-06 2 1.481E-05 No Hazard  
MUSSEL ALL, WET ARSENIC SWEEPCOV/719 1.29 ppm 0.0021 C 3.0E-04 6.715E-04 EXCEEDS 2.878E-04 1.5 4.317E-04 EXCEEDS No Adverse Effect
MUSSEL ALL, WET CADMIUM SWEEPCOV/719 1.48 ppm 1.3519 N 1.0E-03 7.704E-04 No Hazard 3.302E-04        
MUSSEL ALL, WET CHROMIUM SWEEPCOV/719 0.317 ppm 2000.0000 N 1.5E+00 1.650E-04 No Hazard 7.072E-05        
MUSSEL ALL, WET LEAD SWEEPCOV/719 0.3 ppm     8.9E-04 1.562E-04 No Hazard 6.693E-05        
MUSSEL ALL, WET PCBs SWEEPCOV/719 0.0332 ppm 0.0016 C 2.0E-05 1.728E-05 No Hazard 7.407E-06 2 1.481E-05 No Hazard  
MUSSEL ALL, WET AROCLOR 1260 SWEEPCOV/720 0.0376 ppm 0.0016 C 2.0E-05 1.957E-05 No Hazard 8.388E-06 2 1.678E-05 No Hazard  
MUSSEL ALL, WET ARSENIC SWEEPCOV/720 1.55 ppm 0.0021 C 3.0E-04 8.068E-04 EXCEEDS 3.458E-04 1.5 5.187E-04 EXCEEDS No Adverse Effect
MUSSEL ALL, WET CADMIUM SWEEPCOV/720 0.961 ppm 1.3519 N 1.0E-03 5.002E-04 No Hazard 2.144E-04        
MUSSEL ALL, WET CHROMIUM SWEEPCOV/720 0.331 ppm 2000.0000 N 1.5E+00 1.723E-04 No Hazard 7.384E-05        
MUSSEL ALL, WET LEAD SWEEPCOV/720 0.195 ppm     8.9E-04 1.015E-04 No Hazard 4.350E-05        
MUSSEL ALL, WET PCBs SWEEPCOV/720 0.0376 ppm 0.0016 C 2.0E-05 1.957E-05 No Hazard 8.388E-06 2 1.678E-05 No Hazard  
SOLE ALL, WET AROCLOR 1260 SWEEPCOV/722 0.061 ppm 0.0016 C 2.0E-05 1.053E-04 EXCEEDS 4.512E-05 2 9.025E-05 No Hazard  
SOLE WHOLE, WET AROCLOR 1260 SWEEPCOV/722 0.061 ppm 0.0016 C 2.0E-05 1.053E-04 EXCEEDS 4.512E-05 2 9.025E-05 No Hazard  
SOLE ALL, WET ARSENIC SWEEPCOV/722 2.12 ppm 0.0021 C 3.0E-04 3.659E-03 EXCEEDS 1.568E-03 1.5 2.352E-03 EXCEEDS No Adverse Effect
SOLE WHOLE, WET ARSENIC SWEEPCOV/722 2.12 ppm 0.0021 C 3.0E-04 3.659E-03 EXCEEDS 1.568E-03 1.5 2.352E-03 EXCEEDS No Adverse Effect
SOLE ALL, WET CHROMIUM SWEEPCOV/722 0.252 ppm 2000.0000 N 1.5E+00 4.350E-04 No Hazard 1.864E-04        
SOLE WHOLE, WET CHROMIUM SWEEPCOV/722 0.252 ppm 2000.0000 N 1.5E+00 4.350E-04 No Hazard 1.864E-04        
SOLE ALL, WET LEAD SWEEPCOV/722 0.0686 ppm     8.9E-04 1.184E-04 No Hazard 5.075E-05        
SOLE WHOLE, WET LEAD SWEEPCOV/722 0.0686 ppm     8.9E-04 1.184E-04 No Hazard 5.075E-05        
SOLE ALL, WET PCBs SWEEPCOV/722 0.061 ppm 0.0016 C 2.0E-05 1.053E-04 EXCEEDS 4.512E-05 2 9.025E-05 No Hazard  
SOLE WHOLE, WET PCBs SWEEPCOV/722 0.061 ppm 0.0016 C 2.0E-05 1.053E-04 EXCEEDS 4.512E-05 2 9.025E-05 No Hazard  
 
DOLLY VARDEN ALL, WET ALUMINUM SWEEPCREEK/721 151 ppm 1353.0000 N 1.0E+00 2.606E-01 No Hazard           
DOLLY VARDEN WHOLE, WET ALUMINUM SWEEPCREEK/722 151 ppm 1353.0000 N 1.0E+00 2.606E-01 No Hazard           
DOLLY VARDEN ALL, WET AROCLOR 1260 SWEEPCREEK/723 0.226 ppm 0.0016 C 2.0E-05 3.901E-04 EXCEEDS 1.672E-04 2 3.344E-04 EXCEEDS No Adverse Effect
DOLLY VARDEN WHOLE, WET AROCLOR 1260 SWEEPCREEK/724 0.226 ppm 0.0016 C 2.0E-05 3.901E-04 EXCEEDS 1.672E-04 2 3.344E-04 EXCEEDS No Adverse Effect
DOLLY VARDEN FILLET, WET AROCLOR 1260 SWEEPCREEK/725 0.149 ppm 0.0016 C 2.0E-05 2.572E-04 EXCEEDS 1.102E-04 2 2.204E-04 EXCEEDS No Adverse Effect
DOLLY VARDEN ALL, WET ARSENIC SWEEPCREEK/726 5.02 ppm 0.0021 C 3.0E-04 8.665E-03 EXCEEDS 3.713E-03 1.5 5.570E-03 EXCEEDS No Adverse Effect
DOLLY VARDEN WHOLE, WET ARSENIC SWEEPCREEK/727 5.02 ppm 0.0021 C 3.0E-04 8.665E-03 EXCEEDS 3.713E-03 1.5 5.507E-03 EXCEEDS No Adverse Effect
DOLLY VARDEN FILLET, WET ARSENIC SWEEPCREEK/728 0.0937 ppm 0.0021 C 3.0E-04 1.617E-04 No Hazard 6.931E-05 1.5 1.040E-04 EXCEEDS No Adverse Effect
DOLLY VARDEN ALL, WET CHROMIUM SWEEPCREEK/729 0.443 ppm 2000.0000 N 1.5E+00 7.646E-04 No Hazard 3.277E-04        
DOLLY VARDEN WHOLE, WET CHROMIUM SWEEPCREEK/730 0.443 ppm 2000.0000 N 1.5E+00 7.646E-04 No Hazard 3.277E-04        
DOLLY VARDEN FILLET, WET CHROMIUM SWEEPCREEK/731 0.23 ppm 2000.0000 N 1.5E+00 3.970E-04 No Hazard 1.701E-04        
DOLLY VARDEN ALL, WET DIELDRIN SWEEPCREEK/732 0.00087 ppm 0.0002 C 5.0E-05 1.502E-06 No Hazard 6.436E-07 16 1.030E-05 No Hazard  
DOLLY VARDEN FILLET, WET DIELDRIN SWEEPCREEK/733 0.00087 ppm 0.0002 C 5.0E-05 1.502E-06 No Hazard 6.436E-07 16 1.030E-05 No Hazard  
DOLLY VARDEN ALL, WET LEAD SWEEPCREEK/734 1.3 ppm     8.9E-04 2.244E-03 EXCEEDS 9.616E-04        
DOLLY VARDEN WHOLE, WET LEAD SWEEPCREEK/735 1.3 ppm     8.9E-04 2.244E-03 EXCEEDS 9.616E-04        
DOLLY VARDEN ALL, WET PCBs SWEEPCREEK/736 0.226 ppm 0.0016 C 2.0E-05 3.901E-04 EXCEEDS 1.672E-04 2 3.344E-04 EXCEEDS No Adverse Effect
DOLLY VARDEN WHOLE, WET PCBs SWEEPCREEK/737 0.226 ppm 0.0016 C 2.0E-05 3.901E-04 EXCEEDS 1.672E-04 2 3.344E-04 EXCEEDS No Adverse Effect
DOLLY VARDEN FILLET, WET PCBs SWEEPCREEK/738 0.149 ppm 0.0016 C 2.0E-05 2.572E-04 EXCEEDS 1.102E-04 2 2.204E-04 EXCEEDS No Adverse Effect

ATSDR selected contaminants for this table based on it relative hazard and ability to bioaccumulate or bioconcentrate. This is not the complete data set.
ATSDR used the Alaska Department of Environmental Conservation, IDM Consulting 1997, Establishing Alaska Specific Exposure Scenarios for Ingestion of marine (nonsalmon) fish at 126 g/day and shellfish at 38 g/day shellfish
ATSDR used EPA Reference Dose for all chemicals excluding lead. For lead ATSDR used a calculated reference dose specific to this document based on scientific literature and EPA's IEUBK model for lead uptake.
LOAEL for PCBs (total Arochlors) 0.001 mg/kd/day
LOAEL for Arsenic is 0.005 mg/kd/day

This table does not include the 1999 and 2000 annual monitoring data for PCB analysis because only summary data was provided to ATSDR. PCB data from 1999 and 2000 showed lower levels than those presented here.


Table 5. Clam Lagoon and Lake Andrew Resident Fish and Shellfish Exposure Estimates
Biota Type Biota Portion Contaminant Location Maximum Contaminant Value Units Fish RBC (mg/kg) Effect EPA Reference Dose (mg/kg/d) Estimated Noncancer Dose (mg/kg/day) ATSDR Conclusion for Noncancerous Health Effects Estimated Cancer Dose (mg/kg/day) Cancer Slope Factor Cancer Risk Estimate ATSDR Conclusion for Cancer Risk Lowest Observed Adverse Effect Level (mg/kg/day)
DOLLY VARDEN ALL, WET ALUMINUM ANDREWLK/101 132 ppm 1353.000000 N 1.0E+00 2.278E-01 No Hazard          
DOLLY VARDEN WHOLE, WET ALUMINUM ANDREWLK/101 132 ppm 1353.000000 N 1.0E+00 2.278E-01 No Hazard          
DOLLY VARDEN ALL, WET AROCLOR 1260 ANDREWLK/101 0.0166 ppm 0.001600 C 2.0E-05 2.865E-05 EXCEEDS 1.228E-05 2 2.456E-05 No Hazard  
DOLLY VARDEN WHOLE, WET AROCLOR 1260 ANDREWLK/101 0.0166 ppm 0.001600 C 2.0E-05 2.865E-05 EXCEEDS 1.228E-05 2 2.456E-05 No Hazard  
DOLLY VARDEN ALL, WET ARSENIC ANDREWLK/101 0.0582 ppm 0.002103 C 3.0E-04 1.005E-04 No Hazard 4.305E-05 1.5 6.458E-05 No Hazard  
DOLLY VARDEN WHOLE, WET ARSENIC ANDREWLK/101 0.0582 ppm 0.002103 C 3.0E-04 1.005E-04 No Hazard 4.305E-05 1.5 6.458E-05 No Hazard  
DOLLY VARDEN ALL, WET CHROMIUM ANDREWLK/101 0.25 ppm 2000.000000 N 1.5E+00 4.315E-04 No Hazard 1.849E-04        
DOLLY VARDEN WHOLE, WET CHROMIUM ANDREWLK/101 0.25 ppm 2000.000000 N 1.5E+00 4.315E-04 No Hazard 1.849E-04        
DOLLY VARDEN ALL, WET DIELDRIN ANDREWLK/101 0.000352 ppm 0.000200 C 5.0E-05 6.076E-07 No Hazard 2.604E-07 16 4.166E-06 No Hazard  
DOLLY VARDEN WHOLE, WET DIELDRIN ANDREWLK/101 0.000352 ppm 0.000200 C 5.0E-05 6.076E-07 No Hazard 2.604E-07 16 4.166E-06 No Hazard  
DOLLY VARDEN ALL, WET PCBs ANDREWLK/101 0.0166 ppm 0.001600 C 2.0E-05 2.865E-05 EXCEEDS 1.228E-05 2 2.456E-05 No Hazard  
DOLLY VARDEN WHOLE, WET PCBs ANDREWLK/101 0.0166 ppm 0.001600 C 2.0E-05 2.865E-05 EXCEEDS 1.228E-05 2 2.456E-05 No Hazard  
DOLLY VARDEN ALL, WET AROCLOR 1260 ANDREWLK/102 0.0764 ppm 0.001600 C 2.0E-05 1.319E-04 EXCEEDS 5.652E-05 2 1.130E-04 EXCEEDS No Adverse Effect
DOLLY VARDEN FILLET, WET AROCLOR 1260 ANDREWLK/102 0.0764 ppm 0.001600 C 2.0E-05 1.319E-04 EXCEEDS 5.652E-05 2 1.130E-04 EXCEEDS No Adverse Effect
DOLLY VARDEN ALL, WET ARSENIC ANDREWLK/102 0.0555 ppm 0.002103 C 3.0E-04 9.579E-05 No Hazard 4.105E-05 1.5 6.158E-05 No Hazard  
DOLLY VARDEN FILLET, WET ARSENIC ANDREWLK/102 0.0555 ppm 0.002103 C 3.0E-04 9.579E-05 No Hazard 4.105E-05 1.5 6.158E-05 No Hazard  
DOLLY VARDEN ALL, WET DIELDRIN ANDREWLK/102 0.000259 ppm 0.000200 C 5.0E-05 4.470E-07 No Hazard 1.916E-07 16 3.065E-06 No Hazard  
DOLLY VARDEN FILLET, WET DIELDRIN ANDREWLK/102 0.000259 ppm 0.000200 C 5.0E-05 4.470E-07 No Hazard 1.916E-07 16 3.065E-06 No Hazard  
DOLLY VARDEN ALL, WET PCBs ANDREWLK/102 0.0764 ppm 0.001600 C 2.0E-05 1.319E-04 EXCEEDS 5.652E-05 2 1.130E-04 EXCEEDS No Adverse Effect
DOLLY VARDEN FILLET, WET PCBs ANDREWLK/102 0.0764 ppm 0.001600 C 2.0E-05 1.319E-04 EXCEEDS 5.652E-05 2 1.130E-04 EXCEEDS No Adverse Effect
 
MUSSEL ALL, WET ARSENIC CLAMLG/620 1.57 ppm 0.002103 C 3.0E-04 8.173E-04 EXCEEDS 3.503E-04 1.5 5.254E-04 EXCEEDS No Adverse Effect
MUSSEL ALL, WET CADMIUM CLAMLG/620 1.7 ppm 1.351851 N 1.0E-03 8.849E-04 No Hazard 3.793E-04        
SAND LANCE ALL, WET AROCLOR 1260 CLAMLG/640 0.0082 ppm 0.001600 C 2.0E-05 1.415E-05 No Hazard 6.066E-06 2 1.213E-05 No Hazard  
SAND LANCE ALL, WET ARSENIC CLAMLG/640 0.564 ppm 0.002103 C 3.0E-04 9.735E-04 EXCEEDS 4.172E-04 1.5 6.258E-04 EXCEEDS No Adverse Effect
SAND LANCE ALL, WET CHROMIUM CLAMLG/640 0.334 ppm 2000.000000 N 1.5E+00 5.765E-04 No Hazard 2.471E-04        
SAND LANCE ALL, WET PCBs CLAMLG/640 0.0082 ppm 0.001600 C 2.0E-05 1.415E-05 No Hazard 6.066E-06 2 1.213E-05 No Hazard  

ATSDR selected contaminants for this table based on it relative hazard and ability to bioaccumulate or bioconcentrate. This is not the complete data set.
ATSDR used the Alaska Department of Environmental Conservation, IDM Consulting 1997, Establishing Alaska Specific Exposure Scenarios for Ingestion of marine (nonsalmon) fish at 126 g/day and shellfish at 38 g/day shellfish
ATSDR used EPA Reference Dose for all chemicals excluding lead. For lead ATSDR used a calculated reference dose specific to this document based on scientific literature and EPA's IEUBK model for lead uptake.
LOAEL for PCBs (total Arochlors) 0.001 mg/kd/day
LOAEL for Arsenic is 0.005 mg/kd/day

This table does not include the 1999 and 2000 annual monitoring data for PCB analysis because only summary data was provided to ATSDR. PCB data from 1999 and 2000 showed lower levels than those presented here.


APPENDIX A: ATSDR PUBLIC HEALTH ASSESSMENT CONCLUSION CATEGORIES

Category Definition Criteria
A. Urgent public health hazard This category is used for sites that pose an urgent public health hazard as the result of short-term exposures to hazardous substances.
  • evidence exists that exposures have occurred, are occurring, or are likely to occur in the future AND
  • estimated exposures are to a substance(s) at concentrations in the environment that, upon short-term exposures, can cause adverse health effects to any segment of the receptor population AND/OR
  • community-specific health outcome data indicate that the site has had an adverse impact on human health that requires rapid intervention AND/OR
  • physical hazards at the site pose an imminent risk of physical injury.
B. Public health hazard This category is used for sites that pose a public health hazard as the result of long-term exposures to hazardous substances.
  • evidence exists that exposures have occurred, are occurring, or are likely to occur in the future AND
  • estimated exposures are to a substance(s) at concentrations in the environment that, upon long-term exposures, can cause adverse health effects to any segment of the receptor population AND/OR
  • community-specific health outcome data indicate that the site has had an adverse impact on human health that requires intervention.
C. Indeterminate (potential) public health hazard This category is used for sites with incomplete information.
  • limited available data do not indicate that humans are being or have been exposed to levels of contamination that would be expected to cause adverse health effects; data or information are not available for all environmental media to which humans may be exposed AND
  • there are insufficient or no community-specific health outcome data to indicate that the site has had an adverse impact on human health.
D. No apparent public health hazard This category is used for sites where human exposure to contaminated media is occurring or has occurred in the past, but the exposure is below a level of health hazard.
  • exposures do not exceed an ATSDR chronic MRL or other comparable value AND
  • data are available for all environmental media to which humans are being exposed AND
  • there are no community-specific health outcome data to indicate that the site has had an adverse impact on human health.
E. No public health hazard This category is used for sites that do not pose a public health hazard.
  • no evidence of current or past human exposure to contaminated media AND
  • future exposures to contaminated media are not likely to occur AND
  • there are no community-specific health outcome data to indicate that
    the site has had an adverse impact on human health.


APPENDIX B: FIGURES

General Vicinity Map
Figure 1a. General Vicinity Map

General Vicinity Map
Figure 1b. General Vicinity Map

NAF ADAK UXO Project: Priority I, II and III Areas
Figure 2. NAF ADAK UXO Project: Priority I, II and III Areas

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