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PUBLIC HEALTH ASSESSMENT

NAVAL AIR WARFARE CENTER
[a/k/a NAVAL AIR DEVELOPMENT CENTER (8 WASTE AREAS)]
WARMINSTER TOWNSHIP, BUCKS COUNTY, PENNSYLVANIA
EPA FACILITY ID: PA6170024545

September 25, 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 POTENTIAL EXPOSURE PATHWAYS

COMMUNITY HEALTH CONCERNS

ATSDR CHILD HEALTH INITIATIVE

CONCLUSIONS

RECOMMENDATIONS

PUBLIC HEALTH ACTION PLAN

PREPARERS OF REPORT

REFERENCES

TABLES

FIGURES

APPENDICES


LIST OF TABLES

Table 1. Population and Housing Data Table

Table 2. Completed Exposure Pathways at NAWC Warminster

Table 3. Completed Exposure Pathways from Water Supplies Affected by Off-Base Sources

Table 4. NAWC Past and Current Water Supply Wells

Table 5. Summary of Past Data That Exceeded Comparison Values in Off-Base and On-Base Drinking Water Wells

Table 6. Summary of Data that Exceed Comparison Values for Water Supplies Affected by Off-Base Sources

Table 7. Summary of Surface Soil Data that Exceed Comparison Values

Table 8. Summary of Surface Water Data that Exceed Comparison Values

Table 9. Summary of Sediment Data that Exceed Comparison Values


LIST OF FIGURES

Figure 1: Vicinity Map

Figure 2: NAWC, Area Designations, and Surrounding Neighborhoods

Figure 3: Demographic Statistics

Figure 4: ATSDR's Exposure Evaluation Process

Figure 5: Fracture Trace Location Map


LIST OF ABBREVIATIONS

ATSDRAgency for Toxic Substances and Disease Registry
bgsbelow ground surface
BTEXbenzene, toluene, ethylbenzene, and xylenes
BRACBase Realignment and Closure
CERCLAComprehensive Environmental Response, Compensation, and Liability Act
CPFcancer potency factor
CREGcancer risk evaluation guide
CVcomparison value
1,1-DCE1,1-dichloroethene
cis-1,2-DCEcis-1,2-dichloroethene
EMEGenvironmental media evaluation guide
EPAU.S. Environmental Protection Agency
FFTAFire-Fighting Training Area
FSfeasibility study
HWAHatboro Water Authority
LOAELlowest-observed-adverse-effect-level
MCLmaximum contaminant level
MCSmedium-specific concentrations
mg/kg/daymilligram contaminant per kilogram body weight per day
MRLminimal risk level
NAWCNaval Air Warfare Center
NOAELno-observed-adverse-effect-level
NPLNational Priorities List
OSHAOccupational Safety and Health Administration
OUoperable unit
PADEPPennsylvania Department of Environmental Protection
PADOHPennsylvania Department of Health
PAHpolyaromatic hydrocarbon
PCBpolychlorinated biphenyl
PCEtetrachloroethylene
PHApublic health assessment
PHAPpublic health action plan
ppbparts per billion
ppmparts per million
RABRestoration Advisory Board
RBCrisk-based concentrations
RCRAResource Conservation and Recovery Act
RfDreference dose
RIremedial investigation
RMEGreference media evaluation guide
RODrecord of decision
SMWAUpper Southampton Municipal Water Authority
SSLEPA soil screening level
TCEtrichloroethylene
USGSU.S. Geological Survey
VOCvolatile organic compound
WHDCWarminster Heights Development Corporation
WMWAWarminster Municipal Water Authority

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