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The National Academy of Sciences Report on Superfund and Mining Megasites: Lessons from the Coeur d'Alene River Basin

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The National Academy of Sciences (NAS) performed an independent evaluation of EPA's scientific and technical practices related to the Coeur d'Alene Basin Superfund site in northern Idaho. Areas of the cleanup examined include: site characterization, human and ecological assessment, remedial planning and decision-making. EPA appreciates the Academy's scientific scrutiny and wishes to thank the distinguished panel members who contributed to the report.

EPA anticipates the report's recommendations will aid our long-standing commitment to use the best available science to protect the environment, human health and the communities of the Coeur d'Alene Basin. EPA will consider the NAS report's recommendations and where appropriate translate those findings into action.

For more information, please visit the Region 10 Bunker Hill / Coeur d'Alene Basin Web site.

Entire Document [PDF 3.2M, 504 pages]

Individual Sections:
Front Matter and Table of Contents [PDF 117KB, 16 pages]
Summary [PDF 80KB, 14 pages]
Chapter 1: Introduction [PDF 47KB, 7 pages]
Chapter 2: Historical Background [PDF 414KB, 25 pages]
Chapter 3: The Coeur d'Alene System [PDF 932KB, 61 pages]
Chapter 4: Remedial Investigation Assessment [PDF 302KB, 53 pages]
Chapter 5: Human Health Risk Assessment in the Coeur d'Alene River Basin [PDF 328KB, 62 pages]
Chapter 6: Human Health Risk Assessment: Lead Exposure and Uptake - Use of the IEUBK Model [PDF 385KB, 61 pages]
Chapter 7: Ecological Risk Assessment [PDF 251KB, 43 pages]
Chapter 8: Remediation Objectives and Approaches [PDF 367KB, 84 pages]
Chapter 9: Mining Megasites: Lessons Learned [PDF 92KB, 19 pages]
Appendix A: Statement of Task and Committee Biosketches [PDF 53KB, 9 pages]
Appendix B: Evaluation of the Methodology to Determine Background Concentrations in the Lower Basin [PDF 40KB, 4 pages]
Appendix C: Detailed Comments on the Integrated Exposure Uptake Biokinteic Implementation Code [PDF 44KB, 3 pages]
Appendix D: Procedures Used in Model Comparisons [PDF 49KB, 6 pages]
Appendix E: Crustal Element Analyses for Following Soil Lead Transport [PDF 102KB, 6 pages]
Appendix F: Assessment of the Probabilistic Model for Estimating Metal Loading and Effectiveness of Remedial Action [PDF 133KB, 26 pages]


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