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Water Quality Monitoring Plan Climax Molybdenum Company <br /> Version:R4 Permit No M-1977-493 <br /> 3.3.6 Surface Water Monitoring Sites <br /> 3.3.6.1 Tenmile Creek Surface Water Monitoring Site <br /> The Climax water management and treatment system discharges treated water into Tenmile Creek at <br /> Outfalls 001A and 002A under CDPS permit. CO0000248. Surface water sampling at the outfalls is <br /> performed in accordance with this permit, and is not included in this WQMP. Historical and current <br /> compliance with CDPS permit discharge requirements demonstrates the overall effectiveness of the <br /> collection and treatment facilities. <br /> 3.3.6.2 Internal Surface Water Monitoring Sites <br /> As discussed in Section 6.1, Climax has two internal surface water monitoring locations above Clinton <br /> Reservoir. The first monitoring site is located in upper Clinton Creek (CC-SW1) above its confluence with <br /> Clinton Reservoir(Figure 5). The second monitoring site is at the inlet to the East Interceptor culvert (EI- <br /> SW1), below the McNulty Overburden Storage Facility and upgradient of Clinton Reservoir (Figure 5). <br /> These locations are used to detect potential water quality changes from surface runoff in the vicinity of mine <br /> facilities toward Clinton Reservoir. <br /> Monitoring parameters and schedule are in Section 4 and data evaluation procedures and follow-up actions <br /> to be taken by Climax specifically related to the monitoring sites above Eagle Park and Clinton Reservoirs <br /> are described in Section 6 of this WQMP. Water quality monitoring data which have been submitted in <br /> Annual Reports to DRMS are included in Appendix B-4. <br /> EPP—Appendix C March 2018 11 <br />