PUBLIC HEALTH ASSESSMENT
NORTH RAILROAD AVENUE PLUME
ESPAÑOLA, RIO ARRIBA COUNTY, NEW MEXICO
EPA FACILITY ID: NMD986670156 
September 5, 2003
Prepared by:
Superfund Site and Assessment Branch
Division of Health Assessment and Consultation
Agency for Toxic Substances and Disease Registry
TABLE OF CONTENTS
CONCLUSIONS, RECOMMENDATIONS, AND PUBLIC HEALTH ACTIONS
APPENDIX A: INFORMATION ON THE SEPARATE PETROLEUM-RELATED GROUNDWATER PLUME
APPENDIX C: EXPLANATION OF EVALUATION PROCESS
APPENDIX D: GROUNDWATER MODELING ANALYSES
APPENDIX E: LEVELS OF PUBLIC HEALTH HAZARD
APPENDIX F: RESPONSES TO COMMENTS RECEIVED
APPENDIX G: ATSDR GLOSSARY OF ENVIRONMENTAL HEALTH TERMS
| ACGIH | American Conference of Governmental Industrial Hygienists |
| ACTS | analytical contaminant transport analysis system |
| ATSDR | Agency for Toxic Substances and Disease Registry |
| BTEX | benzene, toluene, ethylbenzene, and xylenes |
| CERCLA | Comprehensive Environmental Response, Compensation, and Liability Act |
| COC | contaminants of concern |
| CREG | Cancer Risk Evaluation Guide |
| CSF | cancer slope factor |
| CVs | Comparison Values |
| DCE | dichloroethene |
| DCA | dichloroethane |
| EL RAEHA | Rio Arriba Environmental Health Association |
| EMEG | Environmental Media Evaluation Guide |
| EPA | United States Environmental Protection Agency |
| IARC | International Agency of Research on Cancer |
| IRIS | Integrated Risk Information System |
| MCL | maximum contaminant level |
| mg/kg/day | milligrams per kilogram per day |
| mg/L | milligrams per liter |
| mg/m3 | micrograms per cubic meter |
| MRL | Minimal Risk Level |
| NMED | New Mexico Environment Department |
| NOAEL | No Observed Adverse Effect Level |
| NPL | National Priority List |
| NRAP | North Railroad Avenue Plume |
| OSHA | Occupational Safety and Health Administration |
| PHA | public health assessment |
| PCE | tetrachloroethylene |
| PRG | Preliminary Remediation Goal |
| RBC | Risk-Based Concentration |
| RfD | Reference Dose |
| RMEG | Reference Dose Media Evaluation Guide |
| SDWA | Safe Drinking Water Act |
| TCE | trichloroethylene |
| TRI | Toxic Release Inventory |
| TMB | trimethylbenzene |
| µg/L | micrograms per liter |
| VOC | volatile organic compound |
