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Bowie Resources, LLC Surface Water <br />Bowie No. 2 Mine <br />2015 Annual Hydrology Report SP5-1 <br />Terror Creek - Pond Spring 5-1 <br />Elevation - 7400 <br />Initiated <br />Activated <br />Date <br />7/18/1985 7/18/1985 7/18/1985 7/18/1985 <br />1 <br />10/8/2015 8/7/2015 6/16/2015 4/16/2015 <br />Summary Information <br />Field <br />Parameters <br />UNITS <br />Baseline <br />Min Ave <br />Operation <br />Max Min Ave Max <br />Outflow <br />GPM <br />0.00 0.94 <br />7.36 <br />Inflow <br />GPM <br />0.00 0.00 <br />0.00 Seep <br />Freeboard <br />Feet <br />0.00 0.00 <br />0.00 <br />Temperature <br />Celsius <br />4.1 12.8 <br />23.2 <br />Conductivity <br />umhos/cm <br />490 672 <br />804 <br />pH <br />su <br />7.31 8.21 <br />9.0 <br />Field Comments <br />Destroyed Pond Filled In Pond Filled In <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />256.0 383.5 <br />441.6 <br />Carbonate <br />mg/L <br />16 16 <br />16 <br />Chloride <br />mg/L <br />2.0 6.4 <br />10 <br />Conductivity <br />umhos/cm <br />552 656.85 <br />974 <br />Hardness <br />mg/L <br />182 250.75 <br />287 <br />Acidity <br />mg/L <br />14.0 14.01 <br />14 <br />pH <br />su <br />6.4 7.89 <br />8.7 <br />ResidueFilterable-TDS <br />mg/L <br />320 374.92 <br />451 <br />ResidueNonFilterable-TSS mg/L <br />2 128 <br />742 <br />SAR <br />1.22 1.69 <br />2.5 <br />Sulfate <br />mg/L <br />16 34.25 <br />70 <br />Calcium (Dissolved) <br />mg/L <br />30.0 57.81 <br />69.0 <br />Magnesium (Total) <br />mg/L <br />18.0 25.9 <br />28.0 <br />Sodium (Dissolved) <br />mg/L <br />43.0 61.0 <br />76.0 <br />Iron (Total) <br />mg/L <br />0.39 0.39 <br />0.39 <br />Iron (Dissolved) <br />mg/L <br />0.06 0.06 <br />0.06 <br />Manganese (Total) <br />mg/L <br />0.06 0.06 <br />0.06 <br />TDS Ratio (gray./calc.) <br />The area of concern for monitoring point SP5-1 was affected by the mining operation on or about March 31, 2015. <br />Baseline Information Collection initiated on 7/18/85 and completed on March 31, 2015. <br />Point SP5-1 has been influenced by mining. <br />Figure 1 <br />