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Environmental Protection Plan, Schwartzwalder Mine <br />. (ii) Acid-Base Accounting ...............................................................................................14-2 <br />(iii) Acid Consumption Tests ............................................................................................ 14-3 <br />(iv) Impact Analysis ......................................................................................................... 14-3 <br />(b) Geochemical Characterization of Mine Refill Water .......................................................14-4 <br />(i) Modeling Approach ................................................................................................... 14-4 <br />(ii) Mass Balance Mixing Model ..................................................................................... 14-5 <br />(iii) Evaluation of Precipitation and Dissolution Reactions Controlling Mine Water <br />Chemistry ............................................................................................................14-7 <br />15. CONSTRUCTION SCHEDULE INFORMATION ............................................................................ 15-1 <br />16. QUALITY ASSURANCE AND QUALITY CONTROL ...................................................................16-1 <br />17. PLANT GROWTH MEDIUM (SOILS) .............................................................................................. 17-1 <br />18. WILDLIFE PROTECTION ................................................................................................................. 18-1 <br />(a) Mitigation Measures to Prevent Loss of Habitat .............................................................. 18-1 <br />(b) Measures to Prevent Wildlife Contact .............................................................................18-1 <br />19. TAILINGS AND SLUDGE DISPOSAL ............................................................................................19-1 <br />20. REFERENCES .................................................................................................................................... 20-1 <br /> <br />LIST OF APPENDICES <br />Appendix A Monitoring Well Logs <br />Appendix B Water Quality Data Base <br />Appendix C Geochemical Model <br /> LIST OF TABLES <br />Table 1-1. Elevations of Upper Levels at the Schwartzwalder Mine ........................................................ .. 1-2 <br />Table 7-1. Summary of Reclamation Activities ........................................................................................ .. 7-1 <br />Table 8-1 . Springs, Reservoirs and Ditches Located within Two Miles of the Schwartzwalder Mine.... .. 8-1 <br />Table 8-2. DWR-Registered Wells Located within Two Miles of the Schwartzwalder Mine .................. .. 8-2 <br />Table 8-3. Flow Rates in Ralston Creek vs. Monthly Mean Precipitation at Ralston Reservoir .............. .. 8-4 <br />Table 8-4. Completion Data for Alluvial Monitoring Wells ..................................................................... .. 8-7 <br />Table 8-5. Completion Data for Bedrock Monitoring Wells .................................................................... .. 8-7 <br />Table 8-6. Summary of Single Well Permeability Tests in Alluvium ...................................................... 8-12 <br />Table 8-7. Summary of Multiple Well Permeability Tests in Alluvium ................................................... 8-12 <br />Table 8-8. Sump Pumping Rates ............................................................................................................... 8-14 <br />Table 8-9. Water Levels and Well Data for Bedrock Monitoring Wells MW10 and MW11 .................. 8-18 <br />Table 8-10. Calculation of Vertical Gradients in Shallow Bedrock .......................................................... 8-19 <br />Table 8-11. Summary of Packer Permeability Test Results ...................................................................... 8-20 <br />Table 8-12. Average Monthly Inflow to the Mine from Precipitation Infiltration, 1995 - 1999 .............. 8-23 <br />Table 8-13. Average Rate of Water Level Rise in Mine Shaft ................................................................. 8-27 <br />Table 8-14. Mine Void Volumes and Observed Inflow Rates During Refilling ....................................... 8-29 <br />4109C.090807 Whetstone Associates