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Bowie Resources, LLC Surface Water <br />Bowie No. 1 Mine <br />2015 Annual Hydrology Report S3000 <br />East Roatcap Creek - Spring 30 <br />Elevation - 7840 <br />Initiated <br />Activated <br />Date <br />5/16/83 5/16/83 5/16/83 5/16/83 <br />1 <br />11/10/15 9/11/15 6/19/15 3/30/15 <br />Summary Information <br />Field <br />Parameters <br />UNITS <br />Baseline <br />Min Ave <br />Operation <br />Max Min Ave Max <br />Flow <br />GPM <br />0 <br />0.48 <br />12.1 <br />0 0 0.22 <br />0.375 <br />Temperature <br />Celsius <br />0.8 <br />9.5 <br />22.9 <br />10.5 <br />6.2 <br />Conductivity <br />umhos/cm <br />7.6 <br />665 <br />900 <br />850 <br />850 <br />pH <br />su <br />6.0 <br />14.6 <br />650.0 <br />7.3 <br />7.5 <br />Field Comments <br />Dry Dry <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />107 <br />300 <br />381 <br />323 <br />Carbonate <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Chloride <br />mg/L <br />1.88 <br />12.07 <br />81.31 <br />13.9 <br />Conductivity <br />umhos/cm <br />180 <br />652 <br />844 <br />827 <br />Hardness <br />mg/L <br />81.0 <br />321.6 <br />479.3 <br />426 <br />Acidity <br />mg/L <br />-351 <br />-591 <br />82.26 1 <br />-351 <br />pH <br />su <br />7.1 <br />7.8 <br />8.3 <br />7.31 <br />ResidueFilterable-TDS <br />mg/L <br />155 <br />418 <br />566 <br />546 <br />ResidueNonFilterable-TSS mg/L <br /><MDL <br />26 <br />116 <br /><MDL <br />SAR <br />0.24 <br />0.80 <br />7.3 <br />0.669 <br />Sulfate <br />mg/L <br />8 <br />65 <br />120 <br />111 <br />Calcium (Dissolved) <br />mg/L <br />21 <br />86.51 <br />145.6 1 <br />120 <br />Iron (Dissolved) <br />mg/L <br />0.01 <br />0.02 <br />0.03 <br /><MDL <br />Iron (Total) <br />mg/L <br />0.02 <br />0.22 <br />0.66 <br />0.0557 <br />Magnesium (Dissolved) <br />mg/L <br />7.0 <br />25.3 <br />73.0 <br />30.8 <br />Manganese (Total) <br />mg/L <br />0.001 <br />0.04 <br />0.12 <br />1 1 <MDL <br />Sodium (Dissolved) <br />mg/L <br />5 <br />24.9 <br />47 <br />34.2 <br />TDS Ratio (gray./calc.) <br /><MDLl <br />0.931 <br />1.1 <br />The area of concern for monitoring point S3000 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />This 5'x 5' spring comes out of the toe of a side gulch. (Hanna, 99) <br />Baseline Information Collection initiated on 5/16/83 and not yet considered complete. <br />Point S3000 has not been influenced by mining. <br />Figure No. 31 <br />