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Bowie Resources, LLC Surface Water <br />Bowie No. 2 Mine <br />2016 Annual Hydrology Report S34-7 <br />Sheep Corral - Spring 34-7 <br />Elevation - 7390 <br />Initiated <br />Activated <br />Date <br />10/27/1997 <br />10/27/1997 <br />10/27/1997 <br />6/1/2002 6/1/2002 <br />1 <br />6/1/2002 <br />10/31/2016 9/14/2016 <br />6/30/2017 <br />Summary Information <br />Field <br />Parameters <br />UNITS <br />Min <br />Baseline <br />Ave <br />Max <br />Operation <br />Min Ave <br />Max <br />Flow <br />GPM <br />0.00 <br />0.30 <br />4.41 <br />0.0 <br />0.03 <br />1.00 <br />FieldComment <br />Dry Damp Dry <br />ph <br />su <br />6.8 <br />7.5 <br />8.0 <br />7.2 <br />7.9 <br />8.4 <br />Conductivity <br />umhos/cm <br />160 <br />258 <br />300 <br />330 <br />625 <br />1170 <br />Temperature <br />Celsius <br />5.9 <br />11.2 <br />19.8 <br />3.7 <br />13.6 <br />24.5 <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />200 <br />200 <br />200 <br />Chloride <br />mg/L <br />4 <br />4 <br />4 <br />Conductivity <br />umhos/cm <br />420 <br />420 <br />420 <br />Hardness <br />mg/L <br />129 <br />129 <br />129 <br />Nitrate -Nitrite <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />Oil and Grease <br />mg/L <br />4 <br />41 <br />4 <br />pH <br />su <br />8.0 <br />8.0 <br />8.0 <br />Phosphate <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />ResidueFilterable-TDS <br />mg/L <br />230 <br />230 <br />230 <br />ResidueNonFilterable-TSS <br />mg/L <br />138 <br />138 <br />138 <br />SAR <br /><MDL <br /><MDL <br /><MDL <br />Sulfate <br />mg/L <br />30.0 <br />30.0 <br />30.0 <br />Aluminum <br />mg/L <br />3.51 <br />3.51 <br />3.51 <br />Arsenic <br />mg/L <br />0.001 <br />0.001 <br />0.001 <br />Cadmium <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />Calcium <br />mg/L <br />37.0 <br />37.0 <br />37.0 <br />Copper <br />mg/L <br /><MDL <br /><MDLl <br /><MDL <br />Iron (Total) <br />mg/L <br />3.58 <br />3.58 <br />3.58 <br />Lead <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />Magnesium <br />mg/L <br />8.9 <br />8.9 <br />8.9 <br />Manganese (Total) <br />mg/L <br />0.113 <br />0.113 <br />0.113 <br />Mercury <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />Molyebdenum <br />mg/L <br /><MDL <br /><MDLl <br /><MDL <br />Selenium <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />Sodium <br />mg/L <br />41.0 <br />41.0 <br />41.01 <br />1 <br />Zinc <br />mg/L <br />0.03 <br />0.03 <br />0.031 <br />1 <br />The monitoring point for S34-7 is located just to the south of an old coal exploration road which winds down Sheep Corral Gulch. <br />Baseline Information for Point S34-7 is derived from events beginning on 10/27/97 through 6/1/02. <br />Point influenced by mining on 6/1/02. <br />Figure 49 <br />