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Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2015 Annual Hydrology Report <br />Surface Water <br />SP7-5 <br />Steven's Gulch - Pond Spring 7-5 <br />Elevation - 8300 <br />Initiated <br />Activated <br />Date <br />7/6/1983 7/6/1983 7/6/1983 7/6/1983 <br />1 <br />10/7/2015 8/21/2015 6/18/2015 4/8/2015 <br />Summary Information <br />Field <br />Parameters <br />UNITS <br />Min <br />Baseline <br />Ave <br />Operation <br />Max Min Ave Max <br />Inflow <br />GPM <br />0.00 <br />1.04 <br />4.49 <br />0.470 <br />0.625 Seep <br />Outflow <br />GPM <br />0.00 <br />0.18 <br />0.75 <br />0.000 0.000 <br />0.000 0.000 <br />Freeboard <br />Feet <br />0.00 <br />0.33 <br />0.85 <br />1 <br />0.7 0 <br />0.85 0.85 <br />Temperature <br />Celsius <br />4.8 <br />10.8 <br />21.7 <br />7.4 <br />7.2 <br />Conductivity <br />umhos/cm <br />202 <br />325 <br />800 <br />340 <br />320 <br />pH <br />su <br />6.41 <br />9.81 <br />71.0 1 1 <br />1 711 <br />7 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />71.81 <br />183.41 <br />227.00 <br />Chloride <br />mg/L <br /><MDL <br />4.68 <br />19.82 <br />Conductivity <br />umhos/cm <br />184 <br />301 <br />430 <br />Hardness <br />mg/L <br />74.97 <br />154.7 <br />228.0 <br />Nitrate -Nitrite <br />mg/L <br />0.256 <br />0.256 <br />0.256 <br />Oil & Grease <br />mg/L <br /><MDL <br /><MDLI <br /><MDL <br />pH <br />su <br />6.7 <br />7.4 <br />8.4 <br />Phosphate <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />ResidueFilterable-TDS <br />mg/L <br />163 <br />205 <br />260 <br />ResidueNonFilterable-TSS mg/L <br />2 <br />42 <br />236 <br />SAR <br />0.250 <br />0.355 <br />0.933 <br />Sulfate <br />mg/L <br /><MDL <br />19.41 <br />154.0 <br />Aluminum (TREC) <br />mg/L <br />0.022 <br />0.022 <br />0.022 11 <br />Arsenic (TREC) <br />mg/L <br />0.04 <br />0.04 <br />0.04 <br />Cadmium (TREC) <br />mg/L <br />0.01 <br />0.01 <br />0.01 <br />Calcium (TREC) <br />mg/L <br />19.8 <br />19.8 <br />19.8 <br />Copper (TREC) <br />mg/L <br />0.02 <br />0.02 <br />0.02 <br />Iron (TREC) <br />mg/L <br />0.22 <br />0.421 <br />0.62 <br />Lead (TREC) <br />mg/L <br />0.05 <br />0.05 <br />0.05 <br />Magnesium (TREC) <br />mg/L <br />6.2 <br />16.2 <br />27.0 <br />Manganese (TREC) <br />mg/L <br />0.01 <br />0.02 <br />0.02 <br />Mercury (TREC) <br />mg/L <br />0.00004 0.00004 0.00004 <br />Molybdenum (TREC) <br />mg/L <br />0.006 <br />0.006 <br />0.006 <br />Selenium (TREC) <br />mg/L <br />0.0231 <br />0.0231 <br />0.023 <br />Sodium (TREC) <br />mg/L <br />26.561 <br />26.561 <br />26.56 <br />Zinc (TREC) <br />mg/L <br />0.0061 <br />0.0061 <br />0.006 <br />The area of concern for monitoring point SP7-5 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />`Inflow unmeasurable <br />Baseline Information Collection initiated on 7/6/83 and not yet considered complete. <br />Point SP7-5 has not been influenced by mining. <br />Figure 3 <br />