PUBLIC HEALTH ASSESSMENT
ANDERSEN AIR FORCE BASE
YIGO, GUAM
EPA FACILITY ID: GU6571999519
January 4, 2002
Prepared by:
Federal Facilities Assessment Branch
Division of Health Assessment and Consultation
Agency for Toxic Substances and Disease Registry
TABLE OF CONTENTS
- Site Description and History
Remedial and Regulatory History
ATSDR Activities
Demographics
Land Use and Natural Resources
Quality Assurance and Quality Control
EVALUATION OF ENVIRONMENTAL CONTAMINATION AND EXPOSURE PATHWAYS
- Introduction
Evaluation of Groundwater Exposure Pathway
Evaluation of Biota Exposure Pathway (Food Chain)
Evaluation of Soil Exposure Pathway
Evaluation of Radon Exposure Pathway
Evaluation of Physical Hazards
APPENDIX A. EVALUATION OF POTENTIAL IRP SITES AT ANDERSON AFB
APPENDIX C. ATSDR'S EXPOSURE EVALUATION PROCESS
APPENDIX E. RESPONSE TO PUBLIC COMMENT
Table 1. Exposure Hazards Summary Table, Andersen Air Force Base, Guam
Table 2. Summary of Exposure Pathways at Andersen Air Force Base
Table 3. Summary of Radon Monitoring at Andersen Air Force Base
Figure 2. Subbasins Underlying Andersen AFB
Figure 3. ATSDR's Exposure Evaluation Process
Figure 4a. Locations of the 39 IRP Sites
Figure 4b. Locations of the 39 IRP Sites
Figure 5a. Locations of Suspected Groundwater Plumes
Figure 5b. Locations of Suspected Groundwater Plumes
Figure 6. General Regions of On- and Off-base Biota Sampling Collection
| ABW | Air Base Wing |
|---|---|
| AFB | Air Force Base |
| AOC | area of concern |
| ATSDR | Agency for Toxic Substances and Disease Registry |
| CAIS | chemical agent identification sets |
| CCl4 | carbon tetrachloride |
| CERCLA | Comprehensive Environmental Response, Compensation, and Liability Act |
| CRP | community response plan |
| CV | comparison value |
| DCA | 1,2-dichloroethane |
| DOD | U.S. Department of Defense |
| EPA | U.S. Environmental Protection Agency |
| ESI | Expanded Source Investigation |
| FFA | Federal Facility Agreement |
| FS | feasibility study |
| GEPA | Guam Environmental Protection Agency |
| GPZ | groundwater protection zone |
| GWA | Public Utility Agency of Guam |
| IRP | Installation Restoration Program |
| kg | kilogram |
| MARBO | Marianas Bonins Command |
| MCL | EPA's maximum contaminant level |
| mg/kg/day | milligrams per kilogram per day |
| MRL | ATSDR's minimal risk level |
| MW | military well |
| NA | not applicable |
| ND | not detected |
| NPL | EPA's National Priorities List |
| OU | operable unit |
| PCB | polychlorinated biphenyl |
| PCE | tetrachloroethylene |
| pCi/L | picocuries per liter |
| PHAP | public health action plan |
| POL | petroleum, oil, and lubricants |
| ppb | parts per billion |
| ppm | parts per million |
| RCRA | Resource Conservation and Recovery Act |
| RfD | EPA's reference dose |
| RI/FS | remedial investigation/feasibility study |
| ROD | Record of Decision (ROD) |
| SDS | storm drainage system |
| SVOC | semi-volatile organic compound |
| TCA | 1,1,1-trichloroethane |
| TCE | trichloroethylene |
| TPH | total petroleum hydrocarbons |
| UST | underground storage tank |
| UXO | unexploded ordnance |
| VOC | volatile organic compound |
| WDBP | War Dog Borrow Pit |


