PUBLIC HEALTH ASSESSMENT
NAVAL SUPPORT ACTIVITY, MECHANICSBURG
(Aliases: NAVY SHIPS PARTS CONTROL CENTER AND NAVAL INVENTORY CONTROL POINT)
MECHANICSBURG, CUMBERLAND COUNTY, PENNSYLVANIA
EPA FACILITY ID: PA3170022104
June 6, 2002
Prepared by:
Federal Facilities Assessment Branch
Division of Health Assessment and Consultation
Agency for Toxic Substances and Disease Registry
TABLE OF CONTENTS
EVALUATION OF ENVIRONMENTAL CONTAMINATION AND EXPOSURE PATHWAYS
APPENDIX B: ATSDR'S ASSESSMENT METHODOLOGY AND COMPARISON VALUES
APPENDIX C: ATSDR'S EXPOSURE EVALUATION PROCESS
APPENDIX D: RESPONSE TO PUBLIC COMMENT
Table 1. Exposure Hazards Summary Table--NSA Mechanicsburg
Table 2. Evaluation of IRP sites and AOCs at NSA Mechanicsburg
Table 3. Exposure Pathways Evaluation Table
Table 4. Contaminants That Exceeded Comparison Values in Site-wide Groundwater
Table 5. Contaminants That Exceeded Comparison Values in Surface Soil at Sites 3, 11, and 14
Table 6. SVOCs and Metals That Exceeded Comparison Values in Soil/Sediment at Site 9 (SWDD)
Table 7. Maximum PCB Concentrations in Sediment at Site 9 (SWDD)
Table 8. Maximum PCB Concentrations in Sediment of Trindle Spring Run
Table 9. Summary of Contaminants in Fish Fillet Composites, Trindle Spring Run
Figure 3. ATSDR's Exposure Evaluation Process
Figure 4. NSA Stormwater Drainage Ditch
AOCs |
area of concern |
ATSDR | Agency for Toxic Substances and Disease Registry |
CDC | Centers for Disease Control |
CEL | cancer evaluation level |
CERCLA | Comprehensive Environmental Response, Compensation, and Liability Act |
CREG | ATSDR's cancer risk evaluation guide |
CRP | community response plan |
CVs | comparison value |
DOD | Department of Defense |
EMEG | ATSDR's environmental media evaluation guide |
EPA |
U.S. Environmental Protection Agency |
FDA | Food and Drug Administration |
FFA | Federal Facility Agreement |
gpm | gallons per minute |
IRP | installation restoration program |
kg | kilogram |
LOAEL | lowest-observed adverse effect level |
MCL | EPA's maximum contaminant level |
NFA | no further action |
µg/dL | micrograms per deciliter |
mg/kg |
milligram per kilogram |
mg/kg/day | milligrams per kilogram per day |
MRL | ATSDR's minimal risk level |
NOAEL | no-observed adverse-effect level |
NSA | Naval Support Activity |
NAVICP | Naval Inventory Control Point |
NPL | EPA's National Priorities List |
PADEP | Pennsylvania Department of Environmental Protection |
PAH |
polycyclic aromatic hydrocarbon |
PAWC | Pennsylvania American Water Company |
PCBs | polychlorinated biphenyls |
PCE | tetrachloroethylene |
PHA | public health assessment |
PHAP | Public Health Action Plan |
ppb | parts per billion |
ppm | parts per million |
RAB | restoration advisory board |
RBC | EPA's risk-based concentration |
RfD | EPA's reference dose |
RI | remedial investigation |
RMEG | ATSDR's reference dose media evaluation guide |
ROD | record of decision |
SPCC | Ships Parts Control Center |
SSL | EPA's soil screening level |
SVOCs | semi-volatile organic compounds |
SWDD | stormwater drainage ditch |
TCE | trichloroethylene |
USTs | underground storage tanks |
VOCs | volatile organic compounds |