2014-01-29_HYDROLOGY - P2009025 (8)

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Baseline Hydrologic Monitoring Plan — Hansen Project Table 15. Field Parameters for Groundwater Monitoring ............................................. ............................... 45 Table 16. Laboratory Parameters for Groundwater Monitoring .................................... ............................... 46 Table 17. Domestic Water Supply Locations ............................................................... ............................... 48 Table 18. Field Parameters for Domestic Water Supply Monitoring ............................ ............................... 50 Table 19. Laboratory Parameters for Domestic Water Supply Monitoring .................. ............................... 51 Table 20. Laboratory Parameters for Seep and Spring Monitoring ............................... ............................... 53 LIST OF FIGURES Figure1. General Location Map ..................................................................................... ............................... 2 Figure 2. Average Annual Precipitation (1981 — 2010) at the Hansen Project ............... ............................... 8 Figure3. Watershed Delineation ................................................................................... ............................... 10 Figure 4. Photograph of Salt Creek Near Station SW04- SA ......................................... ............................... 12 Figure 5. Chart Showing Seasonality in Water Quality, Surface Water Station SW14- MT ........................ 14 Figure 6. Stiff Diagrams Showing Spatial Distribution of Surface Water Quality ....... ............................... 16 Figure 7. Geologic Map of the Hansen Project Area ..................................................... ............................... 19 Figure8. Stratigraphic Section ...................................................................................... ............................... 20 Figure 9. Surface Water Station SW17 -NT on North Tallahassee Creek ..................... ............................... 24 Figure 10. Surface Water Monitoring Locations ........................................................... ............................... 26 Figure 11. Examples of Area - Velocity Measurement using a Flow Probe at Station SW21 -SQ and SW08- CO................................................................................................................ ............................... 33 Figure 12. Historical and Proposed New Monitoring Well Locations .......................... ............................... 37 Figure 13. Example Well Completion Diagram for Shallow to Intermediate Well ...... ............................... 39 Figure 14. Example Well Completion Diagram for Deep Well .................................... ............................... 40 Figure 15. Groundwater Sampling Using Hydrasleeve® Passive Sampling Technology ............................ 44 Figure 16. Monitoring Field Parameters During Domestic Well Sampling .................. ............................... 52 LIST OF PLATES Plate 1. Map of Hall Gulch Quadrangle Showing CUP Boundary, Hansen Deposit, Permitted Wells, and Geologic Faults Plate 2. Regional Surface Geologic Map of the Greater Taylor Ranch Project Area Plate 3. Preliminary Potentiometric Surface Map Plate 4. Domestic Well Monitoring Locations LIST OF APPENDICES Appendix A. Instrument Specifications and Calibration Procedures Appendix B. Equipment Decontamination Procedures Appendix C. Surface Water Sampling Procedures and Forms Appendix D. Surface Water Flow Monitoring Procedures and Forms Appendix E. Design and Installation Specifications for Monitoring Wells Appendix F. Groundwater Sampling Procedures and Forms Appendix G. Quality Assurance Project Plan (QAPP) for Surface Water and Groundwater Monitoring Appendix H. Domestic Water Sampling Procedures and Forms Appendix I. Cumulative Water Quality Data 4153A.140129 Whetstone Associates