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Water Quality Monitoring Plan Climax Molybdenum Company <br /> Version R4 Permit No M-1977-493 <br /> TBD:To be determined;an NPL for manganese will be established following the WQCC process referenced <br /> above and in consultation with DRMS and WQCD. <br /> Table 5.5-EV-MW-004 Numeric Protection Limits <br /> Analytical Parameter Frequency NPL(mg/L) CBSG Basis <br /> Cadmium,dissolved Quarterly 0.005 Table 1,CBSG <br /> Copper,dissolved Quarterly 0.2 Table 3,CBSG <br /> Iron,dissolved Quarterly 0.3 Table 2,CBSG <br /> Manganese,dissolved Quarterly TBD TBD <br /> Molybdenum,dissolved Quarterly 0.210 Table 1,CBSG <br /> Zinc,dissolved Quarterly 2.0 Table 3,CBSG <br /> pH Quarterly 6.5-8.5 Table 2,CBSG <br /> Sulfate(SO4) Quarterly 250 Table 2,CBSG <br /> Total Dissolved Solids(TDS) Quarterly 400 Table 4,CBSG <br /> NOTES: <br /> Table 1, CBSG. Domestic Use Human Health Standards <br /> Table 2, CBSG: Domestic Use Secondary Drinking Water Standards <br /> Table 3, CBSG: Agricultural Use Standards <br /> Table 4, CBSG: TDS Water Quality Standards <br /> TBD•To be determined,an NPL for manganese will be established following the WQCC process referenced <br /> above and in consultation with DBMS and WQCD. <br /> 5.1.3 Tenmile Creek Watershed <br /> The POC wells for Tenmile Creek Watershed are the shallow/deep well pair GW#2 and TM-MW-002D, <br /> located near the Climax property boundary downgradient of the CDPS permit Outfall 001A. The baseline <br /> data set for this well is presented in Table B-3.3 (Appendix B)and Table 5-6 lists the NPLs established for <br /> POC well GW#2 using CBSG table values for all parameters. <br /> Table 5.6-GW#2 Numeric Protection Limits <br /> Analytical Parameter Frequency NPL(mg/L) NPL Basis <br /> Cadmium,dissolved Quarterly 0.005 Table 1,CBSG <br /> Copper,dissolved Quarterly 0.2 Table 3,CBSG <br /> Iron,dissolved Quarterly 0.3 Table 2,CBSG <br /> Manganese,dissolved Quarterly 0.05 Table 2,CBSG <br /> Molybdenum,dissolved Quarterly 0.210 Table 1,CBSG <br /> Zinc,dissolved Quarterly 2.0 Table 3,CBSG <br /> pH Quarterly 6.5-8.5 Table 2,CBSG <br /> Sulfate(SO4) Quarterly 250 Table 2,CBSG <br /> Total Dissolved Solids(TDS) Quarterly 400 Table 4,CBSG <br /> NOTES <br /> Table 1, CBSG: Domestic Use Human Health Standards <br /> Table 2, CBSG: Domestic Use Secondary Drinking Water Standards <br /> Table 3, CBSG: Agricultural Use Standards <br /> Table 4, CBSG: TDS Water Quality Standards <br /> EPP—Appendix C March 2018 25 <br />