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Bowie Resources, LLC Surface Water <br />Bowie No. 1 Mine <br />2015 Annual Hydrology Report S3200 <br />West Roatcap Creek - Spring 32 <br />Elevation - 7900 <br />Initiated <br />10/1/93 10/1/93 10/1/93 10/1/93 10/1/93 10/1/93 10/1/93 10/1/93 10/1/93 10/1/93 <br />Activated <br />Operation <br />Max Min Ave Max <br />Date <br />12/6/15 11/10/15 10/20/15 9/10/15 8/2/15 7/14/15 6/19/15 5/30/15 4/29/15 3/26/15 <br />Summary Information <br />F' <br />UNITS <br />Baseline <br />Min Ave <br />Operation <br />Max Min Ave Max <br />Flow <br />GPM <br />0 <br />4.39 <br />34.38 <br />3.75 <br />3 <br />3.75 <br />1.5 <br />3.75 <br />3.75 <br />7.5 <br />7.5 <br />1.875 <br />Temperature <br />Celsius <br />1.61 <br />8.0 <br />13.4 <br />4.8 <br />8.71 <br />8.9 <br />12.1 <br />9.8 <br />9.8 <br />10.71 <br />6.7 <br />5.9 <br />6.2 <br />Conductivity <br />umhos/cm <br />250 <br />641 <br />860 <br />720 <br />700 <br />670 <br />770 <br />830 <br />830 <br />7001 <br />540 <br />670 <br />710 <br />pH <br />su <br />6.7 <br />7.4 <br />8.4 1 <br />7.5 <br />7.41 <br />7.4 <br />7.3 <br />7.41 <br />7.4 <br />7.3 <br />7.5 <br />7.5 <br />7.7 <br />Field Comments <br />Lab <br />P" ers <br />UNITS <br />Bicarbonate <br />mg/L <br />142 <br />286 426.82 <br />326 <br />289 <br />166.18 <br />Carbonate <br />mg/L <br /><MDL <br />0.3 <br />3.9 <br /><MDL <br /><MDL <br /><MDL <br />Chloride <br />mg/L <br /><MDL <br />21.7 <br />196.7 <br />6.2 <br />5.7 <br />30.58 <br />Conductivity <br />umhos/cm <br />365 <br />665 <br />985 <br />640 <br />685 <br />454 <br />Hardness <br />mg/L <br />105.21 <br />264.5 516.97 <br />277 <br />276 <br />183.26 <br />Acidity <br />mg/L <br />-330 <br />-17 <br />42 <br />-330 <br />-312 <br />4 <br />pH <br />su <br />6.5 <br />7.5 <br />8.4 <br />7.59 <br />7.39 <br />7.88 <br />ResidueFilterable-TDS <br />mg/L <br /><MDL <br />441 <br />663 <br />461 <br /><MDL <br />368 <br />ResidueNonFilterable-TS mg/L <br /><MDL <br />16 <br />73 <br /><MDL <br /><MDL <br />22 <br />SAR <br />0.483 <br />1.39 <br />3.16 <br />1.45 <br />1.44 <br />0.807 <br />Sulfate <br />mg/L <br />3.0 <br />71.0 <br />163.0 <br />1 <br />64.9 <br />60.6 <br />55.18 <br />Calcium (Dissolved) <br />mg/L <br />8.48 <br />67.4 <br />160.2 <br />73.2 <br />72.8 <br />46.1 <br />Iron (Dissolved) <br />mg/L <br /><MDL <br />0.04 <br />0.28 <br /><MDL <br /><MDL <br />0.011 <br />Iron (Total) <br />mg/L <br />0.01 <br />0.09 <br />0.44 <br /><MDL <br />0.0746 <br />0.014 <br />Magnesium (Dissolved) <br />mg/L <br />5.6 <br />23.6 <br />66 <br />231 <br />23 <br />16.55 <br />Manganese (Total) <br />mg/L <br /><MDL <br />0.033 <br />0.1 <br /><MDL1 <br />0.0238 <br />0.036 <br />Sodium (Dissolved) <br />mg/L <br />11.4 <br />51.8 <br />105 <br />56.61 <br />57.9 <br />25.1 <br />TDS Ratio (gray./calc.) <br /><MDL <br />0.96 <br />1.15 <br />The area of concern for monitoring point S3200 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />Spring 32 is monitored on a monthly basis for flow rates and field parameters and water quality samples are obtained from this location on a quarterly basis. <br />Baseline Information Collection initiated on 10/1/93 and not yet considered complete. <br />Point S3200 has not been influenced by mining. <br />Figure No. 33 <br />