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Bowie Resources, LLC Surface Water <br />Bowie No. 1 Mine <br />2016 Annual Hydrology Report P1009 <br />East Roatcap Creek - Pond 10-9 <br />Depth - 3' <br />Elevation -8395 <br />Initiated 10/1/1991 10/1/1991 10/1/1991 <br />Activated 9/1/1995 9/1/1995 9/1/1995 <br />Date 1 9/28/2016 6/20/2016 5/12/2016 <br />Summary Information <br />Field <br />Parameters <br />UNITS <br />Baseline <br />Min Ave <br />Max <br />Operation <br />Min Ave <br />Max <br />Flow <br />GPM <br />0.0 <br />6.4 <br />120 <br />0.0 <br />6.3 <br />60.0 <br />7.5 <br />11.25 <br />Freeboard <br />Feet <br />0.0 <br />0.4 <br />3.2 <br />0 <br />0 <br />Temperature <br />Celsius <br />8.0 <br />13.7 <br />23.2 <br />0.4 <br />12.5 <br />23.0 <br />23 <br />16.5 <br />Conductivity <br />umhos/cm <br />90 <br />222 <br />470 <br />80 <br />207 <br />480 <br />220 <br />210 <br />pH <br />su <br />7.7 <br />8.0 <br />8.3 <br />7.2 <br />8.1 <br />8.6 <br />8.6 <br />8.4 <br />Field Comments <br />Damp <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />98 <br />98 <br />98 <br />71 <br />123 <br />232 <br />106 <br />Carbonate <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />1 <br />5 <br /><MDL <br />Chloride <br />mg/L <br />2 <br />I <br />2 <br />2 <br /><MDL <br />36.33 <br />297.8 <br />1 <br />Conductivity <br />umhos/cm <br />184 <br />184 <br />184 <br />142 <br />254 <br />671 <br />204 <br />Hardness <br />mg/L <br />85 <br />85 <br />85 <br />55 <br />106 <br />212 <br />97.8 <br />Acidity <br />mg/L <br />I <br />##### <br />1 -19.33 <br />53.99 <br />-100 <br />pH <br />su <br />7.8 <br />7.8 <br />7.8 <br />6.6 <br />7.8 <br />8.4 <br />8.21 <br />ResidueFilterable-TDS <br />mg/L <br />96 <br />96 <br />96 <br />76 <br />192 <br />555 <br />148 <br />ResidueNonFilterable-TSS mg/L <br />6 <br />6 <br />6 <br />1 <br />43 <br />116 <br />104 <br />SAR <br />0.24 <br />0.24 <br />0.24 <br />0.15 <br />0.30 <br />0.658 <br />0.22 <br />Sulfate <br />mg/L <br />8 <br />8 <br />8 <br /><MDL <br />7.3 <br />20.0 <br />2.2 <br />Calcium (Dissolved) <br />mg/L <br />21.0 <br />21.01 <br />21 <br />8.31 <br />24.1 <br />50.4 <br />23.9 <br />Iron (Dissolved) <br />mg/L <br />0.03 <br />0.16 <br />0.46 <br />0.0321 <br />Iron (Total) <br />mg/L <br />0.14 <br />1.97 <br />4.38 <br />2.55 <br />Magnesium (Dissolved) <br />mg/L <br />8.0 <br />8.0 <br />8 <br />6.1 <br />11.0 <br />21.4 <br />9.25 <br />Manganese (Total) <br />mg/L <br />0.003 <br />0.079 <br />0.16 <br />0.0987 <br />Sodium (Dissolved) <br />mg/L <br />5.0 <br />5.0 <br />5 <br />3.2 <br />7.4 <br />17.1 <br />4.96 <br />Negative value of acidity indicates equivalent value of alkalinity <br />Pond 10-9 is a man made pond (approximately 45'x 20) with an earthen dam located on the south side. The pond is located in the <br />NE114SE114 of Section 10, T13S, R92W. The source of surface water is from the Overland Ditch and natural runoff. (Simon Hydro Sea <br />Baseline Information for Point P1009 is derived from events beginning on 10/1/91 through 9/1/95. <br />Point influenced by mining on 9/1/95. <br />