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Technical Revision (TR-28) Climax Molybdenum Company <br /> Environmental Protection Plan Permit No. M-1977-493 <br /> Climax Molybdenum Company <br /> Permit M-1977-493 <br /> Environmental Protection Plan <br /> Table of Contents <br /> T-1 Introduction .................................................................................................................. 3 <br /> T-1.1 Purpose and Objectives...................................................................................... 3 <br /> T-1.1.1 Reference and Indexing..................................................................... 3 <br /> T-1.1.2 Changes in Referenced Information and Documents......................... 3 <br /> T-1.1.3 Emergency Response Plan for Designated Chemicals...................... 4 <br /> T-1.2 Description of Site............................................................................................... 4 <br /> T-2 Other Agency Environmental Protection Measures................................................... 5 <br /> T-2.1 General Information ............................................................................................ 5 <br /> T-2.2 Specific Permits and Authorizations.................................................................... 6 <br /> T-3 Designated Chemicals ................................................................................................. 7 <br /> T-3.1 List of Chemicals and Specific Locations ............................................................ 7 <br /> T-3.2 Designated Chemicals Information ..................................................................... 9 <br /> T-3.2.1 Collector............................................................................................ 9 <br /> T-3.2.2 Collector Dispersant .........................................................................10 <br /> T-3.2.3 Primary Frother.................................................................................10 <br /> T-3.2.4 Cleaner Frother ................................................................................10 <br /> T-3.2.5 Pyrite (Iron) Depressant....................................................................11 <br /> T-3.2.6 Galena and Chalcopyrite (Lead and Copper) Depressant.................11 <br /> T-3.2.7 Surfactant.........................................................................................12 <br /> T-3.2.8 Froth Modifier...................................................................................12 <br /> T-3.2.9 Flocculent.........................................................................................13 <br /> T-3.2.10 pH Modifier.......................................................................................13 <br /> T-3.2.11 Pyrite and Chalcopyrite (Iron and Copper) Depressant.....................13 <br /> T-3.3 Water Treatment Chemicals Information............................................................13 <br /> T-3.3.1 Flocculent.........................................................................................13 <br /> T-3.3.2 pH Adjustment (Lime).......................................................................14 <br /> T-3.3.3 pH Adjustment (Sulfuric Acid)...........................................................14 <br /> T-3.4 Safety Data Sheets for Designated Chemicals...................................................14 <br /> T-3.5 Disposal, Decommissioning, Detoxification or Stabilization................................14 <br /> T-3.5.1 Temporary Cessation/Prolonged Lack of Mineral Production............14 <br /> T-3.5.2 Final Closure ....................................................................................14 <br /> T-4 Acid-Forming Materials and Acid Mine Drainage......................................................15 <br /> T-4.1 Temporary Cessation/Prolonged Lack of Mineral Production.............................15 <br /> T-4.2 Final Closure......................................................................................................15 <br /> T-5 Climax Environmental Protection Facilities ..............................................................16 <br /> T-5.1 Arkansas River Watershed ................................................................................18 <br /> T-5.1.1 Potential Sources of Contamination..................................................18 <br /> T-5.1.2 Environmental Protection Facilities...................................................19 <br /> T-5.2 Eagle River Watershed......................................................................................19 <br /> T-5.2.1 Potential Sources of Contamination..................................................19 <br /> T-5.2.2 Environmental Protection Facilities...................................................20 <br /> T-5.3 Tenmile Creek Watershed .................................................................................24 <br /> T-5.3.1 Potential Sources of Contamination..................................................24 <br /> EPP Version: R4 T-i August 2018 <br />