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Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2016 Annual Hydrology Report <br />SP34-11 <br />Sheep Corral - Spring/Pond 34-11 <br />Elevation - 7440 <br />Depth - 3' <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 />6/30/2016 <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 />Outflow <br />GPM <br />0.0 <br />2.2 <br />18.8 <br />0.0 <br />3.15 <br />17.00 <br />0 <br />1.19 <br />5 <br />Inflow <br />GPM <br />0.0 <br />2.09 <br />4.90 <br />1.33 <br />1.43 <br />0.625 <br />FieldComment <br />ph <br />su <br />6.9 <br />7.5 <br />8.0 <br />6.9 <br />7.64 <br />8.50 <br />7.61 <br />7.41 <br />7.37 <br />Conductivity <br />umhos/cm <br />130 <br />325 <br />450 <br />360 <br />547 <br />710 <br />710 <br />636 <br />601 <br />Temperature <br />Celsius <br />6.11 <br />10.01 <br />15.1 <br />4.51 <br />8.11 <br />12.8 <br />7.91 <br />7.91 <br />6.71 <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />165 <br />197 <br />217 <br />137.9 <br />223.7 <br />331.0 <br />331 <br />Chloride <br />mg/L <br /><MDL <br />2 <br />3 <br /><MDL <br />6.90 <br />11.79 <br />2 <br />Conductivity <br />umhos/cm <br />324 <br />412 <br />482 <br />367.8 <br />466.0 <br />554.0 <br />554 <br />Hardness <br />mg/L <br />92 <br />103 <br />111 <br />110.5 <br />126.7 <br />152.5 <br />128 <br />Nitrate -Nitrite <br />mg/L <br /><MDL <br />0.03 <br />0.09 <br /><MDL <br />2.578 <br />2.580 <br /><MDL <br />Oil and Grease <br />mg/L <br /><MDLI <br /><MDL <br /><MDL <br /><MDL <br />0.0771 <br />0.077 <br />1 <br /><MDL <br />pH <br />su <br />6.9 <br />7.5 <br />8.0 <br />6.23 <br />7.16 <br />8.09 <br />7.42 <br />Phosphate <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />0.024 <br />0.024 <br /><MDL <br />ResidueFilterable-TDS <br />mg/L <br />180 <br />247 <br />290 <br />55.5 <br />211.9 <br />371.0 <br />371 <br />ResidueNonFilterable-TSS <br />mg/L <br /><MDL <br />51 <br />154 <br /><MDL <br />42.3 <br />60.5 <br />24.1 <br />SAR <br /><MDL <br /><MDLI <br /><MDL <br />2.09 <br />3.31 <br />4.75 <br />3.81 <br />Sulfate <br />mg/L <br />30 <br />33 <br />40 <br />26.341 <br />42.95 <br />57.42 <br />40.3 <br />Aluminum <br />mg/L <br />0.04 <br />2.15 <br />6.34 <br /><MDL <br />75.37 226.00 <br />226 <br />Arsenic <br />mg/L <br /><MDL 0.0003 <br />0.001 <br />0.009 <br />0.013 <br />0.015 <br /><MDL <br />Cadmium <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />0.004 <br />0.006 <br /><MDL <br />Calcium <br />mg/L <br />27.5 <br />30.3 <br />32.1 <br />7.7 <br />30.5 <br />43.6 <br />38.6 <br />Copper <br />mg/L <br /><MDL <br />0.311 <br />0.92 <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Iron (Total) <br />mg/L <br />0.04 <br />2.35 <br />6.89 <br />0.011 <br />0.12 <br />0.38 <br />0.379 <br />Lead <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDLI <br />0.03 <br />0.03 <br /><MDL <br />Magnesium <br />mg/L <br />5.7 <br />6.7 <br />7.5 <br />3.41 <br />7.26 <br />10.60 <br />7.58 <br />Manganese (Total) <br />mg/L <br /><MDL <br />0.046 <br />0.137 <br /><MDL <br />0.01 <br />0.02 <br />0.0069 <br />Mercury <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL 0.0001 <br />0.0002 <br /><MDL <br />Molyebdenum <br />mg /L <br /><MDL <br /><MDLI <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Selenium <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />0.0010 0.0205 0.0560 <br /><MDL <br />Sodium <br />mg/L <br />30.8 <br />49.5 <br />64.1 <br />59.71 <br />69.4 <br />92.3 <br />92.3 <br />Zinc <br />mg/L <br /><MDL <br />0.01 <br />0.041 <br />0.011 <br />0.02 <br />0.02 <br />1 <br /><MDL <br />The monitoring point for SP34-11 is along the old coal exploration road winding down Sheep Corral Gulch. The spring <br />in sandstone just above the pond surface. <br />Baseline Information for Point SP34-11 is derived from events beginning on 10/27/97 through 6/1/02. <br />Point influenced by mining on 6/1/02. <br />Surface Water <br />Figure 12 <br />