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
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Site Description and History
Remedial and Regulatory History
Agency for Toxic Substances and Disease Registry Involvement
Demographics, Land Use, and Natural Resource Use
Quality Assurance and Quality Control
EVALUATION OF ENVIRONMENTAL CONTAMINATION AND POTENTIAL EXPOSURE PATHWAYS
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Introduction
Evaluation of the Soil Exposure Pathway Evaluation of the Groundwater Exposure Pathway
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Hydrogeology and Groundwater Use
Nature and Extent of Contamination
Evaluation of Potential Public Health Hazards
APPENDIX B: LIST OF TYPES OF COMPARISON VALUES
APPENDIX D: RADIATION AND RADIOACTIVE MATERIAL
Table 1. Evaluation of Potential Source Areas at Middlesex Sampling Plant
Table 2. Exposure Pathways Evaluation Table
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 10. Summary of Radionuclide Concentrations in On-Site Groundwater Monitoring Wells
Table 11. Summary of Metal Concentrations in On-Site Groundwater Monitoring 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
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
|
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 |
