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Table of Contents <br />? Contents <br />Section 1 Introduction ........................................................................................................... 1-1 <br />1.1 Site Description ........................................................................................................ 1-1 <br />1.2 Purpose ...................................................................................................................... 1-1 <br />1.3 Regulatory Framework ........................................................................................... 1-2 <br />Section 2 Potential for Adverse Impacts ......................................................................... 2-1 <br />2.1 Description of Specified Mine Facilities ................................................................ 2-1 <br /> 2.1.1 Development Rock Piles ............................................................................. 2-2 <br /> 2.1.2 Temporary Ore Stockpiles .......................................................................... 2-3 <br />2.2 Evaluation of Potential for Adverse Impacts at Specified Facilities ................. 2-3 <br /> 2.2.1 Designated Chemicals ................................................................................. 2-3 <br /> 2.2.2 Acid and Toxic Producing Materials ......................................................... 24 <br /> 2.2.3 Acid Mine Drainage ..................................................................................... 2-5 <br />Section 3 Environmental Protection Measures and <br />Monitoring Required by Other Agencies .................................................... 3-1 <br />3.1 Environmental Protection Measures and Monitoring by Statute, <br />Regulation, or Permit ............................................................................................... 3-1 <br />3.2 List of Other Permits and Licenses ........................................................................ 3-2 <br />Section 4 Designated Chemical(s) Evaluation .............................................................. 4-1 <br />Section 5 Handling of Designated Chemicals and Acid- <br />Or Toxic-forming Materials .............................................................................. 5-1 <br />Section 6 Evaluation of Proposed and Existing Environmental Protection <br />Facilities ......................................................................................................... 6-1 <br />6.1 Proposed Ore Storage Pad with Geomembrane Liner ....................................... 6-1 <br />6.1.1 Proposed Ore Storage Pad Design ............................................................. 6-1 <br />6.1.2 Evaluation of the Proposed Environmental Protection Facilities ......... 6-2 <br />Section 7 Groundwater Information ................................................................................ 7-1 <br />7.1 Local Geologic Framework ..................................................................................... 7-1 <br />7.1.1 Sunday and Carnation Mines ..................................................................... 7-1 <br />7.1.2 St. Jude Mine ................................................................................................. 7-1 <br />7.1.3 West Sunday Mine .......................................................................................7-2 <br />7.1.4 Topaz Mine ................................................................................................... 7-2 <br />7.2 Potential Aquifers in Area of Sunday Mines Group ........................................... 7-2 <br />7.2.1 Sunday and Carnation Mines ..................................................................... 7-4 <br />7.2.2 St. Jude Mine ................................................................................................. 7-4 <br />7.2.3 West Sunday Mine ....................................................................................... 7-5 <br />0 vi