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JD -6 Mine Environmental Protection Plan ii <br />7.2 Precipitation 21 <br />7.3 Storm Frequency 24 <br />7.4 Temperature 24 <br />7.5 Wind Speed 24 <br />7.6 Evaporation 25 <br />8. SURFACE WATER DATA 27 <br />8.1 Inventory of Water Courses, Springs, Reservoirs, and Ditches 28 <br />8.2 Surface Water Quality 29 <br />9. GROUNDWATER DATA 30 <br />9.1 Geologic Setting 30 <br />9.1.1 Regional Geology of the Paradox Basin 30 <br />9.1.2 Geology of the JD -6 Mine Site 32 <br />9.1.3 Economic Geology 33 <br />9.2 Regional Groundwater System 34 <br />9.2.1 Hydrostratigraphic Units 34 <br />9.2.2 Regional Aquifer Recharge 37 <br />9.2.3 Regional Flow Direction and Aquifer Discharge 37 <br />9.3 Local Groundwater System 37 <br />9.3.1 Local Stratigraphic Units 37 <br />9.3.2 Local Groundwater System near the JD -6 Underground Workings 37 <br />9.4 Inventory of Wells and Water Use 38 <br />9.4.1 Well Inventory 38 <br />9.4.2 Project Water Requirements 38 <br />9.5 Groundwater Quality 40 <br />9.5.1 Alluvial Groundwater Quality 40 <br />9.5.2 Upper Aquifer (Mesozoic) Water Quality 40 <br />9.6 Lysimeter Monitoring Results 40 <br />10. WATER QUALITY MONITORING PLAN 44 <br />10.1 Groundwater Monitoring 44 <br />10.1.1 Monitoring Well Location 44 <br />10.1.2 Monitoring Well Design, Installation, Development, and Reporting 46 <br />10.1.3 Groundwater Monitoring Frequency 48 <br />10.1.4 Groundwater Monitoring Procedures 48 <br />10.1.5 Groundwater Analytical Suite 49 <br />11. CONSTRUCTION SCHEDULE 51 <br />12. QUALITY ASSURANCE / QUALITY CONTROL 51 <br />13. SOILS STOCKPILE AND REVEGETATION 54 <br />13 1 Native Soils 54 <br />13.2 Soil and Growth Media Stock Pile 58 <br />4148A.1 20927 Whetstone Associates • <br />