Final Site Information Package for National Remedy Review Board ...

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Dan Opalski, U.S. EPA March 10, 2010 Page 6 S. F. Through Kellogg East Kellogg This is the South Fork channel through Kellogg. The banks and levees are made of contaminated sediments. This material should be stabilized in place to prevent it from being remobilized by floods and contaminating or recontaminating other areas. Stream bank stabilization of this area was left out of the Focused Feasibility Study, presumably because it would involve flood control actions. If EPA is going to clean up or stabilize impacted floodplains of the South Fork they need to address all of the impacted floodplains. In doing this they should do a thorough evaluation of the effects of flooding and mitigate those effects as a part of contaminate management.
Dan Opalski, U.S. EPA March 10,2010 Page 7 As can be seen from these examples, management of river hydrology including flooding and management of contaminated sediments are inextricably entwined in the Silver Valley. We strongly urge EPA to do a thorough review of their policies regarding flood control and recognize that in this case dealing with the technical and regulatory aspects of flood control are necessary to accomplishing their statutory responsibility of protecting human health and the environment. Sincerely, BOARD OF COMMISSIONERS Vern Hanson, Commissioner (V-. Vince Rinaldi, Commissioner
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United States Environmental Protect
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Contents Acronyms and Abbreviations
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SITE INFORMATION PACKAGE FOR NATION
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Acronyms and Abbreviations µg/dL m
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RAO remedial action objective RI/FS
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1. Site Name, Location, and Brief H
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Page 47 and 48: 5. Current and Potential Future Sit
Page 49 and 50: 6. Summary of Risks The Bunker Hill
Page 51 and 52: SITE INFORMATION PACKAGE FOR NATION
Page 59 and 60: 8. Description of Alternatives The
Page 65 and 66: Remedial Alternative Description SI
Page 85 and 86: 12. Potential Applicable or Relevan
Page 93 and 94: COMMISSIONERS: PFfifiY WHITF CLERK
Page 95 and 96: Dan Opalski, U.S. EPA March 10,2010
Page 97: Dan Opalski, U.S. EPA March 10, 201
Page 118 and 119: Rose Lake ll n e §¨¦ 90 DUDLEY "
Page 120 and 121: 1992-1994 Removal of tailings and c
Page 122 and 123: The box plot shows the median or 50
Page 124 and 125: ! ( ! ! ( ! ! ! Upper Basin Coeur d
Page 126 and 127: DUDLEY ") §¨¦ 90 ") St Joe River
Page 128 and 129: Base Map Data: NHDPlus (Rivers, Wat
Page 130 and 131: [Two Updated Updated Woodland Ecolo
Page 132 and 133: Ninemile Creek WALLACE BUNN Upper B
Page 134 and 135: OSBURN §¨¦ 90 Upper Basin Coeur
Page 136 and 137: 176 E Upper Basin Coeur d'Alene Riv
Page 138 and 139: §¨¦ 90 ENAVILLE The Bunker Hill
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Page 142 and 143: TABLE B2-1 Summary of Ongoing Data
Page 144 and 145: TABLE B4-2 Screening Level Exceedan
Page 146 and 147: TABLE B7-1 Preliminary Remediation
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TABLE B8-1 Descriptions of Typical
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TABLE B8-2 Summary of Alternatives
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TABLE B9-1a Comparative Analysis of
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TABLE B9-1b Comparative Analysis of
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TABLE B11-1 Legend of Bureau of Lan
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TABLE B11-1 Legend of Bureau of Lan
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TABLE B11-2 Summary of Estimated Po
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TABLE B11-4 Summary of Remedy Prote
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TABLE B14-1 Estimated Costs Summari
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TABLE B14-2 Summary of Estimated Co
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TABLE B14-2 Summary of Estimated Co
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Final Site Information Package for National Remedy Review Board ...

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