PUBLIC HEALTH ASSESSMENT
MONTICELLO MILL TAILINGS (DOE)
CERCLIS NO. UT3890090035
AND
MONTICELLO RADIOACTIVELY CONTAMINATED PROPERTIES
(aka MONTICELLO VICINITY PROPERTIES)
CERCLIS NO. UTD980667208
September 30, 1997
Prepared By:
Energy Section
Federal Facilities Assessment Branch
Division of Health Assessment and Consultation
Agency for Toxic Substances and Disease Registry
TABLE OF CONTENTS
ENVIRONMENTAL CONTAMINATION AND OTHER HAZARDS
Table 1. Summary of Radiation Health Effects From Acute Doses
Table 4. Nonradioactive Contaminants of Concern in On-Site Tailings Piles
Table 5. Nonradioactive Contaminants of Concern in Off-Site Sediments
Table 6. Contaminants of Concern in Surface Water
Table 7. Contaminants of Concern in Groundwater for the Alluvial Aquifer
Table 8. Results of 1983-1984 Radon-222 Survey
Table 9. Atmospheric Radon-222
Table 10. Average Monthly Real-Time Radon
Table 11. Nonradioactive Off-Site Air Contaminants of Concern 1984-1986
Table 12. Completed Exposure Pathways
Table 13. Potential Exposure Pathways
Table 14. Cancer Incidence Cases
Table 15. Cancer Incidence Ratio of San Juan County Compared With That of the State of Utah
Table A1. Population Data Table
Table A3. Socioeconomic and Housing Variables Table
Table C2. Human Research Results on the Health Effects of Vanadium Compounds
Table C3. Summary of Epidemiologic Studies with Vanadium
Table C4. Occupational Exposure Limits for Vanadium Pentoxide
Table C5. Vanadium Exposure/Dose Limits for the General Public
Table D1. Property Inclusion Limits
Figure 1. General Location Map
Figure 2. Monticello Mill Tailings Site Map
Figure 3. Monticello Vicinity Properties Project Area Map
Figure 4. DOE Radiological Survey Map
Figure 6. Children 5 Years and Younger
Figure 8. Adults 60 Years and Older
Figure 10. Tailings Piles Location Map
Figure 11. Upgradient and On-Site Surface Water Sampling Locations
Figure 12a. Downgradient Surface Water Sampling Locations
Figure 12b. Downgradient Surface Water Sampling Locations
Figure 13. Upgradient and On-Site Monitoring Well Locations
Figure 14. Downgradient Monitoring Well Locations
Figure 15. 9 Radon Air Sampling Stations
Figure 16. 8 Radon Sampling Locations
Figure 17. Air Particulate Sampling Locations
Figure 18. Direct Environmental Radiation Monitoring
Figure 19. Existing Pathways at the Monticello Mill Tailings Site
Figure 20. Direct Environmental Radiation Monitoring Locations At or near the Monticello Millsite
| AEC | Atomic Energy Commission |
| ATSDR | Agency for Toxic Substances and Disease Registry |
| BDL | Below Detection Limit |
| BLM | Bureau of Land Management |
| BU | Boston University |
| BW | Body Weight |
| CDC | Center for Disease Control and Prevention |
| CERCLA | Comprehensive Environmental Response, Compensation, and Liability Act of 1980 |
| CFR | Code of Federal Regulation |
| CNS | Central Nervous System |
| cm | centimeter |
| Cr | Chromium |
| CREG | Cancer Risk Evaluation Guide |
| CSF | Cancer Slope Factor |
| DCG | Derived Concentration Guide |
| DHS | Division of Health Studies |
| dl | deciliter |
| DOE | Department of Energy |
| ED | Exposure Dose |
| EF | Exposure Factor |
| EMEG | Environmental Media Evaluation Guide |
| EPA | Environmental Protection Agency |
| FS | Feasibility Study |
| FY | Fiscal Year |
| GJPO | Grand Junction Projects Office |
| Gy | Gray |
| HARP | Health Activities Recommendation Panel |
| IARC | International Agency for Research on Cancer |
| IRIS | Integrated Risk Information System |
| kg | kilogram |
| L | Liters |
| m | meter |
| m3 | cubic meter |
| MAC | Maximum Allowable Concentration |
| MCL | Maximum Contaminant Level |
| mg | milligram |
| mg/kg | milligram per kilogram |
| µg | microgram |
| µg/dl | microgram per deciliter |
| µg/L | microgram per liter |
| MMTS | Monticello Mill Tailings Site |
| mrem | milliRoentgen equivalent man |
| MRL | Minimal Risk Level |
| MVP | Monticello Vicinity Properties |
| N/A | Not Applicable |
| NA | Not Available |
| NAREL | National Air and Radiation Environmental Laboratory |
| ND | No Data Were Collected |
| NIOSH | National Institute for Occupational Safety and Health |
| NOAEL | No-Observed-Adverse-Effects-Level |
| NORM | Naturally Occurring Radioactive Materials |
| NPL | National Priorities List |
| NTP | National Toxicology Program |
| OH&S | Occupational Health and Safety |
| OSHA | Occupational Safety and Health Administration |
| OU | Operable Unit |
| pCi/g | picocuries per gram |
| pCi/L | picocuries per liter |
| pCi/m3 | picocuries per cubic meter |
| pCi/m2s | picocuries per square meter second |
| PHAP | Public Health Action Plan |
| PMCL | Proposed Maximum Contaminant Level |
| ppb | parts per billion |
| ppm | parts per million |
| QA/QC | quality assurance quality control |
| RAC | Reasonably Assumed a Carcinogen |
| RCRA | Resource Conservation and Recovery Act |
| RfC | Reference Concentration |
| RfD | Reference Dose |
| RI | Remedial Investigation |
| RMEG | Reference Dose (or Concentration) Media Evaluation Guide |
| ROD | Record of Decision |
| SARA | Superfund Amendments and Reauthorization Act |
| SEER | Surveillance, Epidemiology, and End Results |
| SRU | Site Review and Update |
| SSAB | Site Specific Advisory Board |
| TAL | Target Analyte List (inorganic chemicals) |
| TCL | Target Compound List (organic chemicals) |
| TIC | tentatively identified compounds |
| TIGER | Topologically Integrated Geographic Encoding and Referencing |
| TRI | Toxic (Chemical) Release Inventory |
| UDEQ | Utah Department of Environmental Quality |
| WL | Working Level |
