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• <br />• <br />Water Quality Monitoring Plan Climax Molybdenum Company <br />Version: R1 Permit No. M- 1977 -493 <br />1.0 PURPOSE <br />Climax Molybdenum Company — Climax Mine (Climax) prepared this Water Quality Monitoring <br />Plan (Plan) pursuant to Rule 3.1.7(5) of the Mineral Rules and Regulations of the Colorado Mined <br />Land Reclamation Board for Hard Rock, Metal, and Designated Mining Operations. The Plan <br />establishes a formal monitoring program to demonstrate that the Environmental Protection Plan <br />(EPP) requirements are being met and, together with a revised EPP, comprises Technical <br />Revision 18 (TR -18) to Climax Reclamation Permit No. M- 1977 -493. <br />A Groundwater Monitoring Plan for the Climax Mine was previously submitted to the Division of <br />Reclamation Mining and Safety (DRMS) as TR -08 in September 1995. That plan included <br />monitoring locations and a monitoring schedule, which has been followed since that time. This <br />Plan expands upon the previous plan and includes additional points of compliance, identifies <br />appropriate standards, and includes internal monitoring locations upgradient of Clinton <br />Reservoir and Eagle Park Reservoir. <br />The Climax operations are located in three distinct watersheds: the Arkansas River Valley, <br />Eagle River Valley, and Tenmile Creek Valley. Figure 1 shows the location of the Climax Mine <br />Site, identifies major site feature, and delineates the three drainage basins. Specific conditions <br />within each watershed are addressed individually throughout this document. <br />EPP — Appendix C <br />August, 2011 1 <br />