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Environmental Protection Plan, Schwartzwalder Mine i <br />i 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 />5. DESIGNATED CHEMICALS EVALUATION ...................................................................................5-1 <br />6. DESIGNATED CHEMICALS MATERIALS HANDLING ................................................................ 6-1 <br />• 7. FACILIT IES EVALUATION .............................................................................................................. . 7-1 <br />(a) Water Treatment Plant ...................................................................................................... . 7-1 <br />(b) Waste Rock Piles ............................................................................................................... . 7-2 <br />(c) 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 ....................................................................................... 8-12 <br /> (ii) Colluvium and Weathered Bedrock ........................................................................... 8-17 <br />• (iii) Low-Permeabilty Bedrock ......................................................................................... 8-17 <br />(iii).1 Depth to Water and Groundwater Flow ................................................. 8-18 <br />4109C.090807 Whetstone Associates