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Analytical Parameter <br />EPA Method <br />Det im on j imit <br />Frequency <br />Hold Time <br />Cadmium, dissolved <br />M200.2 ICP -MS <br />0.0001 <br />Quarterly <br />6 months <br />Copper, dissolved <br />M200.2 ICP -MS <br />0.0005 <br />Quarterly <br />6 months <br />Iron, dissolved <br />M200.7 ICP <br />0.02 <br />Quarterly <br />6 months <br />Lead, dissolved <br />M200.8 ICP -MS <br />0.0001 <br />Quarterly <br />6 months <br />Manganese, dissolved <br />M200.7 ICP <br />0.005 <br />Quarterly <br />6 months <br />Molybdenum, dissolved <br />M200.7 ICP <br />0.01 <br />Quarterly <br />6 months <br />Zinc, dissolved <br />M200.7 ICP <br />0.01 <br />Quarterly <br />6 months <br />pH <br />SM4500H +B <br />0.1 <br />Quarterly <br />Immediately <br />Sulfate (SO4) <br />375.4 <br />50 <br />Quarterly <br />28 days <br />Total Dissolved Solids (TDS) <br />SM2540C <br />10 <br />Quarterly <br />7 days <br />Analytical Parameter <br />EPA Method <br />Detection <br />Limit (mg/L) <br />Frequency <br />Hold Time <br />Iron, dissolved <br />M200.7 ICP <br />0.02 <br />Quarterly <br />6 months <br />Manganese, dissolved <br />M200.7 ICP <br />0.005 <br />Quarterly <br />6 months <br />Molybdenum, dissolved <br />M200.7 ICP <br />0.01 <br />Quarterly <br />6 months <br />pH <br />SM4500H +B <br />0.1 <br />Quarterly <br />Immediately <br />Sulfate (SO4) <br />375.4 <br />50 <br />Quarterly <br />28 days <br />Total Dissolved Solids (TDS) <br />SM2540C <br />10 <br />Quarterly <br />7 days <br />• <br />• <br />Water Quality Monitoring Plan Climax Molybdenum Company <br />Version: R1 Permit No. M- 1977 -493 <br />6.0 SAMPLING AND ANALYTICAL METHODS <br />Groundwater and surface water samples will be collected and analyzed following the <br />procedures described in the sections below. <br />6.1 Sampling Methods <br />Groundwater and surface water sampling will be performed in accordance with the Standard <br />Operating Procedure (SOP) included as Appendix C. <br />6.2 Analytical Methods <br />Tables 6 -1 and 6 -2, below describe the analytical parameters, methods, detection limits, <br />frequency and holding times for the POC groundwater quality samples and the internal <br />monitoring sites water quality samples respectively. Table 6 -3 describes the analytical <br />parameters, methods, detection limits, and holding times for the additional baseline monitoring <br />parameters, not included in Tables 6 -1 or 6 -2. <br />EPP — Appendix C <br />Table 6 -1 — POC Groundwater Analytical Parameter Summary <br />Table 6 -2 — Internal Monitoring Analytical Parameter Summary <br />August, 2011 <br />22 <br />