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Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2012 Annual Hydrology Report <br />Surface Water <br />S1 -5 <br />W. Fork of Terror Creek - Spring 1 -5 <br />Elevation - 8000 <br />Initiated <br />Activated <br />Date <br />7/29/1985 <br />7/29/1985 <br />7/29/1985 <br />7/29/1985 <br />1 <br />5.16 <br />10/30/2012 <br />8/8/2012 <br />6/20/2012 <br />4/10/2012 <br />Summary Information <br />Field <br />Parameters <br />Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow <br />GPM <br />0.00 <br />0.89 <br />5.16 <br />0.09 <br />0.13 <br />0.16 <br />0.63 <br />Temperature <br />Celsius <br />5.2 <br />11.1 <br />20.0 <br />9.3 <br />10.6 <br />17.8 <br />8.2 <br />Conductivity <br />umhos /cm <br />90 <br />158 <br />270 <br />270 <br />200 <br />190 <br />120 <br />pH <br />su <br />6.8 <br />7.5 <br />8.9 <br />7.4 <br />7.2 <br />7.1 <br />7.4 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg /L <br />51.0 <br />85.0 <br />119.6 <br />110.81 <br />Chloride <br />mg /L <br /><MDL <br />14.71 <br />111.70 <br />111.7 <br />Conductivity <br />umhos /cm <br />91 <br />146 <br />215 <br />130 <br />Hardness <br />mg /L <br />33.49 <br />61.46 <br />135.43 <br />135.43 <br />Nitrate - Nitrite <br />mg /L <br /><MDL <br />0.144 <br />0.144 <br /><MDL <br />Oil and Grease <br />mg /L <br /><MDL <br /><MDLI <br /><MDL <br />I <br /><MDL <br />pH <br />su <br />6.2 <br />7.1 <br />8.5 <br />7.18 <br />Phosphate <br />mg /L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />ResidueFilterable -TDS <br />mg /L <br />62 <br />100 <br />127 <br />122 <br />ResidueNonFilterable -TSS <br />mg /L <br /><MDL <br />9 <br />44 <br />2 <br />SAR <br />0.35 <br />0.73 <br />1.82 <br />1.05 <br />Sulfate <br />mg /L <br /><MDL <br />151 <br />64 <br />1 <br />14.82 <br />Aluminum (TREC) <br />mg /L <br />0.008 <br />0.059 <br />0.110 <br />0.11 <br />Arsenic (TREC) <br />mg /L <br />0.015 <br />0.028 <br />0.040 <br />0.04 <br />Cadmium (TREC) <br />mg /L <br />0.001 <br />0.002 <br />0.003 <br />0.001 <br />Calcium (TREC) <br />mg /L <br />9.7 <br />22.7 <br />35.6 <br />35.6 <br />Copper (TREC) <br />mg /L <br />0.008 <br />0.009 <br />0.010 <br />0.008 <br />Iron (TREC) <br />mg /L <br />0.05 <br />0.451 <br />0.86 <br />1 <br />0.065 <br />Lead (TREC) <br />mg /L <br />0.01 <br />0.04 <br />0.08 <br />0.007 <br />Magnesium (TREC) <br />mg /L <br />2.00 <br />3.73 <br />11.30 <br />11.3 <br />Manganese (TREC) <br />mg /L <br />0.002 <br />0.051 <br />0.180 <br />0.01 <br />Mercury (TREC) <br />mg /L <br />0.0001 <br />0.0001 <br />0.0001 <br />0.00008 <br />Molybdenum (TREC) <br />mg /L <br />0.001 <br />0.002 <br />0.002 <br />0.001 <br />Selenium (TREC) <br />mg /L <br />0.0051 <br />0.0111 <br />0.017 <br />1 <br />1 <br />0.005 <br />Sodium (TREC) <br />mg /L <br />13.021 <br />20.611 <br />28.20 <br />28.2 <br />Zinc (TREC) <br />mg /L <br />0.0061 <br />0.0071 <br />0.008 <br />0.008 <br />The area of concern for monitoring point S 1 -5 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />Baseline Information Collection initiated on 7/29/85 and not yet considered complete. <br />Point S1 -5 has not been influenced by mining. <br />Figure No. 47 <br />