Kensington Gold Project Final Supplemental Environmental Impact ...

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d – DRILL INTERCEPT M1 = 1991 Bulk Sample – 1150 LEVEL (Degerstrom, 1994) M2 = 1994 Bulk Sample – 1150 LEVEL (Lakefield, 1995) M3 - 1996 Bulk Sample Zones 10,20,41 (Montgomery Watson, 1996) M4 = 1998 Bulk Sample-zones 10,20,30,41 (CMRI, 1998) A-27 Figure 6 Kensington Gold Project Final SEIS Appendix A After Coeur, 1996, Geologic Character of the Kensington Gold Deposit
A-28 Kensington Gold Project Final SEIS Appendix A M1 = 1991 Bulk Sample – 1150 LEVEL (Degerstrom, 1994) M2 = 1994 Bulk Sample – 1150 LEVEL (Lakefield, 1995) M3 - 1996 Bulk Sample Zones 10,20,41 (Montgomery Watson, 1996) M4 = 1998 Bulk M3 Sample-zones = 1996 Bulk Sample 10,20,30,41 10,20,41 (Montgomery (CMRI, 1998) Watson 1996) Figure 7 After Coeur, 1996, Geologic Character of the Kensington Gold Deposit
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Page 4 and 5: CONTENTS iii Kensington Gold Projec
Page 6 and 7: Appendix A: Water Quality Analysis
Page 8 and 9: Table 1. NSPS for Mine Drainage Dai
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Page 12 and 13: Receiving Water Hardness Table 3. (
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Page 16 and 17: Table 2. Summary of Water Quality C
Page 18 and 19: Table 3. (continued) A-13 Kensingto
Page 20 and 21: Attachment A-3 - Results of TSF Dis
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Page 28 and 29: d - DRILL INTERCEPT M1 = 1991 Bulk
Page 30 and 31: d - DRILL INTERCEPT M1 = 1991 Bulk
Page 40 and 41: Table 7. Total Whole Rock Metal and
Page 42 and 43: Table 8. Total Whole Rock Metal and
Page 52 and 53: Table 12. Projected TSF Water Quali
Page 56 and 57: Appendix B: Essential Fish Habitat
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Page 64 and 65: Fresh Water B-9 Kensington Gold Pro
Page 66 and 67: Sediment Quality B-11 Kensington Go
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Page 70: Literature Cited B-15 Kensington Go
Page 73 and 74: Ecological Risk Assessment of Aqueo
Page 75 and 76: FIGURES FINAL Figure 1.1 Final Exte
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Page 79 and 80: Figure 1.1 Final Extent of TSF and
Page 81 and 82: Figure 1.3 Tailings Placement and E
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2.0 PROBLEM FORMULATION FINAL This
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FINAL LSL has a surface area of 8.1
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FINAL A wide variety of benthic mac
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2.3 Conceptual Site Model FINAL Bas
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FINAL subsequent consumption of COP
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Management Goal 3: FINAL ⇒ Protec
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FINAL This assessment endpoint was
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Table 2.2 Summary of Management Goa
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Table 3.1 Comparison of Decant Wate
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FINAL Chapman et al. (2000) reporte
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FINAL Shading of cells in Table 3.2
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FINAL The bioaccumulation potential
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4.0 RISK ANALYSIS FINAL The Risk An
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4.2 Exposure Assessment 4.2.1 Recep
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FINAL ingestion rates and water ing
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4.2.3 Bioaccumulation Factors and E
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FINAL reported NOAEL and LOAEL valu
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4.3.1.2 Operational Water Table 4.6
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FINAL While both Cr +6 and Cr +3 ar
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FINAL 10 8 gallons would be orders
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4.3.4.2 Post-Closure Conditions FIN
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Table 5.1 Summary of Risk Character
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FINAL scenario. Chromium concentrat
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FINAL forage base, primarily throug
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FINAL would have sufficient light p
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Table 5.4 Data Corresponding to Fig
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FINAL Table 5.5 Summary of Risk Cha
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FINAL contain elevated levels of ar
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FINAL It is also important to note
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FINAL volume of water present and t
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FINAL DOE-SRS (Department of Energy
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FINAL Mount, D.R., D.D. Gulley, J.R
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FINAL USFS (U.S. Forest Service). 2
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Attachment A. Dietary NOAEL and LOA
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Table B.1 Safe and Toxic Water Conc
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Table B.2 Safe and Toxic Soil and W
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FINAL Havas, M., and G.E. Likens. 1
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FINAL Tetra Tech, Inc. C-86 Decembe
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Table C.1a Bioaccumulation Factors
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Table C.2 Calculated Aluminum EPC V
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Table C.3a Bioaccumulation Factors
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REFERENCES FINAL Brooks, R.R. 1972.
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FINAL Tetra Tech, Inc. C-96 Decembe
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FINAL reported that coho salmon avo
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Table D.2 Literature Values for Sed
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Table D.2b TSS Effects on Salmonid
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Table D.2d TSS Effects on Adult Sal
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Table D.4 Matrix Table for Alevin S
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Table D.2e TSS Effects on Non-Salmo
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Table D.10 Effects of Deposited Sed
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Table D.12 Matrix Table for All Rec
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Specific Examples of Subaqueous Tai
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FINAL community in the tailings are
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FINAL Goldes, S.A. 1983. Histologic
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FINAL Schubel, J.R., A.H. Auld, and
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FINAL Tetra Tech, Inc. C-126 Decemb
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Table E.1 Calculated Doses for Each
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Appendix D Preliminary Reclamation
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D-2 Kensington Gold Project Final S
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2.1 Permanent Closure and Final Rec
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D-10 Kensington Gold Project Final
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Post-Mining Inspection Schedule D-1
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Attachment D-1 Preliminary Reclamat
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D-22
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D-24
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D-26
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D-28
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D-30
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Appendix E Best Management Practice
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E-2 Kensington Gold Project Final S
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Kensington Gold Project Final SEIS
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Figures: Figure 1 - General Facilit
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aware that in an emergency, only th
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is to streamline the gathering and
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operating and response procedures t
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Safety and Health Administration (O
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Coeur Alaska has established the fo
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After testing of an employee for re
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employee to ensure that the employe
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A release from either vertical or h
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2.3 Receiving Environment Risk Anal
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• Nearest dwelling, water body, w
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Rapid response caches will be secur
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4. The truck driver, vessel enginee
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Appendix - 2 Initial Spill Report F
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APPENDIX 4 MATERIAL SAFETY DATA SHE
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Unalaska Skagway Haines Sitka Nome
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Purpose and Need for Policy During
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planning goal of Modified Landscape
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Other Standard Operating Procedures
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� Regular inspection of fuel line
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Appendix F Old-Growth Habitat
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F-2 Kensington Gold Project Final S
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F-4 Kensington Gold Project Final S
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Appendix G Ground Water Quality
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,; ‘) ‘. ,/”’ “5k+9B .. 0
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\ r. \\\cc0wz3
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Table G-2. Laboratory Methods, Repo
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Table G-3. Summary of Ground Water
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TabIe G-3. Summary of Ground Water
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Appendix H Migratory Birds: Birds o
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H-2 Kensington Gold Project Final S
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H-4 Kensington Gold Project Final S
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I-1
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I-3
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I-5
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Appendix J Biological Assessment/Bi
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CONTENTS 1. INTRODUCTION 1-1 2. PRO
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Acronyms and Abbreviations µPa mic
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Kensington Gold Project BA/BE Novem
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Background Coeur Alaska Kensington
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Figure 2 3
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Associated monitoring programs woul
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SOP #5: Vessels will operate at low
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Point and Slate Creek Cove transpor
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- reducing the amount of habitat to
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Kensington Gold Project SPILL RESPO
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EMERGENCY RESPONSE FORM - INJURY an
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Kensington Gold Project - Initial S
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Appendix 3 - Contact Information a.
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APPENDIX 5 TYPICAL SOIL EROSION AND
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Appendix K USEPA and State of Alask
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K-2 Kensington Gold Project Final S
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K-4 Kensington Gold Project Final S
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Appendix L: Draft SEIS Comments and
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Section 1 Comment Summary L-1
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Comment Summary The Forest Service
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Ten commenters who supported Altern
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Mailing Location Table L-1 Demograp
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Section 2 Agency and Tribal Organiz
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Responses to Comments Affiliation C
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