PUBLIC HEALTH ASSESSMENT
NAVAL AIR STATION WHIDBEY ISLAND (AULT FIELD AND SEAPLANE BASE)
OAK HARBOR, ISLAND COUNTY, WASHINGTON
EPA FACILITY ID: WA5170090059 (AULT FIELD)
EPA FACILITY ID: WA6170090058 (SEAPLANE BASE)
September 28, 1993
TABLE OF CONTENTS
ATSDR AND THE PUBLIC HEALTH ASSESSMENT PROCESS AT DEPARTMENT OF DEFENSE FACILITIES
ENVIRONMENTAL CONTAMINATION AND OTHER HAZARDS
Figure 1. NAS Whidbey Island, Ault Field and Seaplane Base
Figure 2. NAS Whidbey Island, Operable Units
Figure 3. Operable Unit 1, Areas 5 and 6
Figure 4. Operable Unit 2, Areas 2, 3, 4, 14, and 29
Figure 5. Operable Unit 3, Areas 16 and 31, and Location of Base Wells.
Figure 6. Operable Unit 4, Seaplane Base; Areas 39, 41, 44, 48, and 49
Figure 7. Proposed Operable Unit 5, Areas 1 and 52
Figure 8. Hazardous Waste Evaluation Study Areas
Figure 9. Ault Field Central Core Areas
Figure 10. Lake Hancock Target Range
Figure 11. Ault Field Underground Storage Tank Program
Figure 12. Seaplane Base Underground Storage Tank Program
Figure 13. NAS Whidbey Island Ecosystems
Figure 14. Area 52 Apparent Product Thickness Contours
Figure 15. Area 6 Estimated Limits of Groundwater Contamination
Figure 16. Census Tracts and Block Groups Around NAS Whidbey Island
Table 1. Dates of Investigations and Significant Events
Table 2. Operable Unit 1, Areas Under Investigation
Table 3. Operable Unit 1, Investigations and Actions
Table 4. Operable Unit 2, Areas Under Investigation
Table 5. Operable Unit 3, Areas Under Investigation
Table 6. Operable Unit 4, Areas Under Investigation
Table 7. Operable Unit 5, Areas Under Investigation
Table 8. Hazardous Waste Evaluation Study Areas Under Investigation
Table 9. Summary of Detected Compounds in Operable Unit 1
Table 10. Contaminant Concentrations at Operable Unit 1
Table 11. Contaminant Concentrations at Operable Unit 1
Table 13. Contaminant Concentrations at Operable Unit 2
Table 14. Contaminant Concentrations at Operable Unit 2
Table 15. Contaminant Concentrations at Operable Unit 3
Table 16. Contaminant Concentrations at Operable Unit 4, Seaplane Base
Table 17. Contaminant Concentrations at Operable Unit 4, Seaplane Base
Table 18. Contaminant Concentrations at Operable Unit 5
Table 19. Contaminant Concentrations at Operable Unit 5
Table 20. Contaminant Concentration in Off-Site Shellfish
Table 21. Off-Site Contaminant Concentrations in Groundwater at Operable Unit 1
Table 22. NAS Whidbey Island Potential Exposure Pathways
Table 23. Estimated Population for Potential Exposure Pathways
Table 24. Invasive Cancer Incidence for Females, Island County, Washington
Table 25. Invasive Cancer Incidence for Males, Island County, Washington
Table 26. NAS Whidbey Island Population Data
Table 27. NAS Whidbey Island Housing Data
Table 30. NAS Whidbey Island - Areas Under Investigation