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Environmental Protection Plan, Schwartzwalder Mine i <br />• TABLE OF CONTENTS <br />1. INTRODUCTION ................................................................................................................................. 1-1 <br />(a) Mine History ...................................................................................................................... 1-1 <br />(b) Mine Layout ....................................................................................................................... 1-2 <br />2. MAPS ....................................................................................................................................................2-1 <br />(a) General Location and Access ............................................................................................. 2-1 <br />(b) Locations of Chemicals and Facilities ............................................................................... 2-1 <br />3. OTHER ENVIRONMENTAL PROTECTION MEASURES AND MONITORING .......................... 3-1 <br />4. OTHER PERMITS AND LICENSES ................................................................................................... 4-1 <br />(a) Colorado Mining Permit #M-1977-300 ............................................................................. 4-1 <br />(b) Colorado Discharge Permit #CO-0001-244 .......................................................................4-1 <br />(c) Radioactive Materials License number CO-369-03S .........................................................4-1 <br />(d) Air Quality Permits ............................................................................................................ 4-1 <br />(e) Storm Water Discharge Permit .......................................................................................... 4-1 <br /> 5. DESIGNATED CHEMICALS EVALUATION ................................................................................... 5-1 <br /> <br />• 6. DESIGNATED CHEMICALS AND MATERIALS HANDLING ....................................................... 6-1 <br />7. FACILITIES EVALUATION ............................................................................................................... 7-1 <br />(a) Water Treatment Plant ....................................................................................................... 7-1 <br />(b) Waste Rock Piles ................................................................................................................ 7-2 <br />(c) Alluvium and Fill Material ................................................................................................. 7-2 <br />(d) Flooded Underground Workings ........................................................................................ 7-2 <br />8. GROUNDWATER INFORMATION ...................................................................................................8-1 <br />(a) Inventory of Water Courses, Wells, Springs, Reservoirs, and Ditches .............................. 8-1 <br />(i) Streams and Reservoirs .............................................................................................. .. 8-4 <br />(i).1 Ralston Creek ......................................................................................... .. 8-4 <br />(i).2 Ralston Reservoir ................................................................................... .. 8-5 <br />(ii) Ditches and Ponds ...................................................................................................... .. 8-6 <br />(iii) Monitoring Wells ....................................................................................................... .. 8-7 <br />(iv) Water Supply Wells ................................................................................................... .. 8-9 <br />(v) Seeps and Springs ...................................................................................................... .. 8-9 <br />(b) Identification of Aquifers Within Two Miles ................................................................... 8-10 <br />(i) Ralston Creek Alluvium ............................................................................................ 8-11 <br />(i).1 Thickness and Extent of the Alluvium ................................................... 8-11 <br />(i).2 Alluvial Permeability Tests .................................................................... 8-11 <br />(i).3 Sump Pumping ....................................................................................... <br />- (ii) Colluvium and Weathered Bedrock ........................................................................... 8-12 <br />8-17 <br />(iii) Low-Permeabilty Bedrock ......................................................................................... 8-17 <br />4109C.100419 Whetstone Associates •