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PUBLIC HEALTH ASSESSMENT

HILL AIR FORCE BASE
HILL AIR FORCE BASE, DAVIS AND WEBER COUNTIES, UTAH
EPA FACILITY ID: UT0571724350

May 30, 2003

Prepared by:

Federal Facilities Assessment Branch
Division of Health Assessment and Consultation
Agency for Toxic Substances and Disease Registry


TABLE OF CONTENTS

LIST OF TABLES

LIST OF FIGURES

LIST OF ABBREVIATIONS

SUMMARY

BACKGROUND

ENVIRONMENTAL CONTAMINATION AND HUMAN EXPOSURE PATHWAYS

ATSDR CHILD HEALTH CONSIDERATIONS

COMMUNITY HEALTH CONCERNS

CONCLUSIONS

PUBLIC HEALTH ACTION PLAN

PREPARERS OF THIS REPORT

REFERENCES AND DOCUMENTS REVIEWED

TABLES

FIGURES

APPENDIX A. DEMOGRAPHICS

APPENDIX B. ATSDR'S EXPOSURE ASSESSMENT PROCESS

APPENDIX C. GLOSSARY

APPENDIX D. JOHNSON AND ETTINGER INDOOR AIR MODEL

APPENDIX E. ATSDR HEALTH CONSULTATION ON OPERABLE UNIT 6


LIST OF TABLES

Table 1. Indoor Air Summary Information

Table 2. Sources of Contamination by Community

Table 3. Patriot Hills Housing Area In-Home Indoor Air Measurements (1993 and 1994)

Table 4. Sunset Housing Area In-Home Indoor Air Measurements

Table 5. Clinton Housing Area In-Home Air Measurements

Table 6. Sunset and Clinton Surface Water Measurements-Dermal (1987 to 1994)

Table 7. Sunset and Clinton Surface Water Measurements-Ingestion (1987 to 1994)

Table 8. Roy Housing Area In-Home Indoor Air Measurements

Table 9. Layton Housing Area In-Home Indoor Air Measurements (1997 and 2000-2001)

Table 10. Layton Surface Water Measurements-Dermal (1986 to 1998)

Table 11. Layton Surface Water Measurements-Ingestion (1986 to 1998)

Table 12. Craigdale Subdivision Housing Area In-Home Indoor Air Measurements (1992-1994)

Table 13. Riverdale Surface Water Measurements-Dermal

Table 14. Riverdale Surface Water Measurements-Ingestion

Table 15. South Weber Housing Area In-Home Indoor Air Measurements (1990, 1993, and 1994-1995)

Table 16. South Weber Surface Water Measurements-Dermal (1990-1992)

Table 17. South Weber Surface Water Measurements-Ingestion (1990-1992)

Table 18. Evaluation of Operable Units at Hill Air Force Base

Table 19. Exposure Pathways Table

Table 20. Patriot Hills Housing Area Indoor Air Exposure Doses and Screening (Excel file)

Table 21. Sunset, Clinton, and Roy Indoor Air Exposure Doses and Screening (Excel file)

Table 22. Layton Indoor Air Exposure Doses and Screening (Excel file)

Table 23. Riverdale Indoor Air Exposure Doses and Screening (Excel file)

Table 24. South Weber Indoor Air Exposure Doses and Screening (Excel file)


LIST OF FIGURES

Figure 1. Area and Demographic Map

Figure 2. Groundwater Contamination Plume Map

Figure 3. Groundwater Contamination Plume Map of Roy


LIST OF ABBREVIATIONS
AFB Air Force Base
ATSDR Agency for Toxic Substances and Disease Registry
bgs below ground surface
BTEX benzene, toluene, ethylbenzene, and total xylenes
cm3 cubic centimeter
CRP community relations plan
CDP Chemical Disposal Pit
CERCLA Comprehensive Environmental Response, Compensation, and Liability Act
DCA dichloroethane
DCE dichloroethene
DNAPL dense non-aqueous phase liquid
DoD U.S. Department of Defense
DRMO Defense Reutilization Marketing Office
EGME ethylene glycol monomethyl ether
EPA U.S. Environmental Protection Agency
FS feasibility study
FTA fire training area
FUDS formally used defense sites
IARC International Agency for Research on Cancer
IRA interim remedial action
IRP Installation Restoration Program
IWTP Industrial Wastewater Treatment Plant
kg kilogram
LOAEL lowest observed adverse effect level
LNAPL light non-aqueous phase liquid
m3 cubic meter
MCL Maximum Contaminant Level
ND not detected
NFRAP no further response action planned
NOAEL no observed adverse effect level
NPL EPA's National Priorities List
OO-ALC Ogden Air Logistics Center
OU operable unit
PAHs polycyclic aromatic hydrocarbons
PCBs polychlorinated biphenyls
PCE tetrachloroethene
PHA public health assessment
PHAP public health action plan
ppb parts per billion
ppm parts per million
PSVP Performance Standard Verification Plan
RAB restoration advisory board
RBC EPA's risk based concentration
RCRA Resource Conservation and Recovery Act
RI remedial investigation
RVMF Refueling Vehicle Maintenance Facility
SVOCs semivolatile organic compounds
TARS Tooele Army Rail Shop
TCA 1,1,1-trichloroethane
TCE trichloroethene
TEAM Total Exposure Assessment Methodology
U.S. United States
USAF U.S. Air Force
UST underground storage tank
UXO unexploded ordnance
VOCs volatile organic compounds
WCD Water Conservancy District
WES Wasatch Energy Systems
WWII World War II


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