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PUBLIC HEALTH ASSESSMENT

MIDDLESEX SAMPLING PLANT (USDOE)
MIDDLESEX, MIDDLESEX COUNTY, NEW JERSEY
EPA FACILITY ID: NJ0890090012

May 8, 2002

Prepared by:

Energy Section
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

HEALTH OUTCOME DATA REVIEW

ATSDR CHILD HEALTH INITIATIVE

CONCLUSIONS

RECOMMENDATIONS

PUBLIC HEALTH ACTION PLAN

PREPARERS OF REPORT

REFERENCES

TABLES

APPENDIX A: SITE HISTORY

APPENDIX B: LIST OF TYPES OF COMPARISON VALUES

APPENDIX C: GLOSSARY

APPENDIX D: RADIATION AND RADIOACTIVE MATERIAL


LIST OF TABLES

Table 1. Evaluation of Potential Source Areas at Middlesex Sampling Plant

Table 2. Exposure Pathways Evaluation Table

Table 3. Summary of Radionuclide Concentrations in On-Site Surface Cover (asphalt and underlying soils)

Table 4. Summary of Metal and PAH Concentrations in On-Site Surface Cover (in situ soil)

Table 5. Summary of Radionuclide Concentrations in the MML Pile

Table 6. Summary of Metal and PAH Concentrations in the MML Pile

Table 7. Summary of Metal and PAH Concentrations in the VP Pile

Table 8. Summary of Radionuclide Concentrations in Off-Site Surface Soil

Table 9. Summary of Indoor and Ambient (Near Ground Surface) Gamma Radiation Levels at Off-site Locations

Table 10. Summary of Radionuclide Concentrations in On-Site Groundwater Monitoring Wells

Table 11. Summary of Metal Concentrations in On-Site Groundwater Monitoring Wells

Table 12. Summary of Radionuclide Concentrations in Off-Site Groundwater Monitoring Wells and Private Wells

Table 13. Summary of Metal Concentrations in Off-Site Groundwater Monitoring Wells and Private Wells

Table 14. Summary of Radionuclide and Metal Concentrations in Surface Water

Table 15. Summary of Radionuclide and Metal Concentrations in Sediment

Table 16. Summary of Radon Gas Concentrations


LIST OF FIGURES

Figure 1. Area Map

Figure 2. Site Map

Figure 3. Demographic Map showing Population within a 1-mile radius of the MSP site

Figure 4. ATSDR's Exposure Evaluation Process

Figure 5. Groundwater Flow Beneath the MSP Site

Figure 6. Surface Water at the MSP Site


LIST OF ABBREVIATIONS

AEC

Atomic Energy Commission
ATSDR Agency for Toxic Substances and Disease Registry
Bq/kg becquerel per kilogram
Bq/L becquerel per liter
COC contaminant of concern
CREG ATSDR's cancer risk evaluation guide
CV comparison value
DCG DOE's derived concentration guide
DOE U.S. Department of Energy
EMEG ATSDR's environmental media guide

EPA

U.S. Environmental Protection Agency
FFA Federal Facilities Agreement
ft feet
FUSRAP Formerly Utilized Sites Remedial Action Program
INX beryl ore
ICRP Internal Commission on Radiological Protection
LOAEL lowest-observed-adverse-effect-level
LTHA Lifetime health advisory for drinking water
µR/hour microroentgen per hour
m3 cubic meter

MCL

EPA's maximum contaminant level
MED Manhattan Engineer District
mg milligram
mg/kg/day milligram of contaminant per kilogram body weight per day
MgX magnesium di-uranate precipitate
MML Middlesex Municipal Landfill
mrem/yr millirem/year
MRL ATSDR's minimal risk level
MSP Middlesex Sampling Plant
MTBE methyl-tert-butylether
na not analyzed

NCRP

National Council on Radiation Protection and Measurements
nd not detected
NJDEP New Jersey Department of Environmental Protection
NJGWQS New Jersey Ground Water Quality Standards
NOAEL no-observed-adverse-effect-level
NRC National Research Council
ns not sampled
ORNL Oak Ridge National Laboratory
OSHA Occupational Safety and Health Administration
PAHs polycyclic aromatic hydrocarbons
PHA public health assessment
PHAP public health action plan
PCBs polychlorinated biphenyls
pCi/g picocurie per gram
pCi/L picocurie per liter
ppb parts per billion
ppm parts per million
Q-11 uranium ore
RfD reference dose
RI remedial investigation
RMEG ATSDR's reference media evaluation guide
SVOC semivolatile organic compound
SDWA Safe Drinking Water Act
TEF toxic equivalency factor for PAHs
USACE U.S. Army Corps of Engineers
VOC volatile organic compound
VP vicinity properties
WL working level
yd3 cubic yard

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