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11 Water Quality Monitoring Plan <br /> Groundwater and surface water quality is monitored on a regular basis in accordance with a <br /> sampling and analysis plan, DRMS requirements, and CDPS requirements. Sample locations for <br /> groundwater and surface water are shown on Map G-1. <br /> The main parameters of concern in the mine water are dissolved cadmium, total iron, dissolved <br /> lead, and dissolved zinc. Although, the permit limitations are for potentially dissolved cadmium, <br /> total recoverable iron, potentially dissolved lead, and potentially dissolved zinc—these specific <br /> parameter tests were not historically sampled. Historical data was used to model these parameters, <br /> despite their corresponding test requirements stated in the permit, based on a correlation between <br /> dissolved and potentially dissolved metal tests. <br /> Samples are tested for a suite of metals and other ions. The surface water samples are tested for <br /> both dissolved and selected total amounts (includes suspended material)in milligrams per liter. <br /> Data for the past 5 quarters of surface and groundwater sampling are provided in the attached <br /> tables. <br /> Monitoring requirements for the permitted outfalls are included in the CDPS Permit No. CO- <br /> 0000003. <br /> M-2012-032 <br /> Amendment 02 Exhibit U <br /> December 2021 U-27 <br />