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0 <br />Average Mine Water Quality <br />B -8 Panel Headgate, B -1 Sump, MW -82 <br />pH (s.u) <br />8.4 <br />Total Manganese (mg /1) <br />0.037 <br />Conductivity (umhos /cm) <br />4,293 <br />Dissolved Manganese <br />(mg /1) <br />0.011 <br />Total Dissolved Solids <br />(mg / <br />2,838 <br />Total Iron (mg /1) <br />2.43 <br />Total Suspended Solids <br />(mg /1) <br />29 <br />Dissolved Iron (mg /1) <br />0.27 <br />The quality shown above satisfies the water effluent limitations of 4.05.2 and <br />all applicable State and Federal water quality standards which satisfy rule <br />4.05.16(4). No treatment is required to meet the quality standards. <br />Gravity discharge of water, should it occur, would be piped to the North Fork <br />of the Gunnison River. The effect of the mine water discharge on the River is <br />considered minimal as shown in Section 2.05.6(3)(b)(iii). The approved <br />postmining land use will not be affected in any way by mine water discharge <br />1 0 that is piped to the river. <br />The discussion presented under Section 2.04.6(3)(a)(iii)(C) concludes there <br />is no acid forming properties in the coal or surrounding strata. Therefore, the <br />applicant should have no problem discharging water from the mine without <br />treatment. If for some reason treatment is required, it will be performed as <br />necessary to assure the gravity discharge of water from the mine satisfies the <br />water effluent limitations of 4.05.2 and all applicable State and Federal water <br />quality standards. <br />PR -12 2.05-105 02/10 <br />A PPRbv6 D <br />11 l/16//O <br />