PUBLIC HEALTH ASSESSMENT
UPPER TENMILE CREEK MINING AREA
RIMINI/HELENA, LEWIS AND CLARK COUNTY, MONTANA
EPA FACILITY ID: MTSFN0801699
August 8, 2001
Prepared by:
Superfund Site Assessment Branch
Division of Health Assessment and Consultation
Agency for Toxic Substances and Disease Registry
TABLE OF CONTENTS
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Data Used
Evaluation Process
Exposure Pathways and Contaminants of Concern
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Well Water Pathway
Surface Water Ingestion Pathway
Soil Pathway
Mine Tailings and Waste Rock
Surface Water Recreational Pathway
Stream Sediment Pathway
Road Dust
Multiple Exposure Pathways
Child Health Initiative
Community Health Concerns
APPENDIX A: EXPLANATION OF EVALUATION PROCESS
APPENDIX B: HEALTH COMPARISON VALUES
APPENDIX C: EXPOSURE DOSE ASSUMPTIONS AND DISCUSSION OF HEALTH GUIDELINES
APPENDIX D: PUBLIC COMMENTS RECEIVED
APPENDIX E: ATSDR PLAIN LANGUAGE GLOSSARY OF ENVIRONMENTAL HEALTH TERMS
