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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

LIST OF TABLES

LIST OF FIGURES

LIST OF ABBREVIATIONS

SUMMARY

BACKGROUND

EVALUATION OF ENVIRONMENTAL CONTAMINATION AND EXPOSURE PATHWAYS

COMMUNITY HEALTH CONCERNS

ATSDR CHILD HEALTH INITIATIVE

CONCLUSIONS

PUBLIC HEALTH ACTION PLAN

PREPARERS OF REPORT

REFERENCES

TABLES

FIGURES

APPENDIX A: GLOSSARY

APPENDIX B: ATSDR'S ASSESSMENT METHODOLOGY AND COMPARISON VALUES

APPENDIX C: ATSDR'S EXPOSURE EVALUATION PROCESS

APPENDIX D: RESPONSE TO PUBLIC COMMENT


LIST OF TABLES

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


LIST OF FIGURES

Figure 1. Area Map

Figure 2. Site Map

Figure 3. ATSDR's Exposure Evaluation Process

Figure 4. NSA Stormwater Drainage Ditch


LIST OF ABBREVIATIONS

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


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