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Bowie Resources, LLC <br />Bowie No. 1 Mine <br />2016 Annual Hydrology Report <br />Summary Information <br />Ground Water <br />MW03 <br />Monitoring Well 3 <br />Depth - 31.9' <br />Elevation - 5726.94' <br />Initiated <br />Activated <br />Date <br />9/1/1982 <br />9/1/1982 <br />9/1/1982 <br />9/1/1982 <br />9/1/1982 9/1/1982 9/1/1982 <br />9/1/1982 <br />11/30/2016 9/1/2016 6/14/2016 <br />5/6/2016 <br />Field <br />Parameters <br />Baseline <br />UNITS Min Ave <br />Operation <br />Max Min Ave <br />Max <br />Static Water Level <br />Feet <br />4.60 <br />22.60 <br />32.58 <br />25.05 <br />14.1 <br />28.14 <br />24.6 <br />Water Elevation <br />Feet <br />5694.4 5704.7 5726.9 <br />5701.89 <br />5712.84 <br />5698.80 <br />5702.34 <br />Temperature <br />Celsius <br />8.8 <br />14.4 <br />19.8 <br />11.7 <br />15.5 <br />13.8 <br />12.8 <br />Conductivity <br />umhos/cm <br />340 <br />596 <br />750 <br />659 <br />635 <br />750 <br />664 <br />pH <br />su <br />6.7 <br />7.8 <br />8.4 <br />7.66 <br />7.66 <br />7.7 <br />7.5 <br />Field Comments <br />Dry <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />88.8 <br />308.4 <br />421.0 <br />302 <br />292 <br />Carbonate <br />mg/L <br /><MDL <br />1.3 <br />14.0 <br /><MDL <br /><MDL <br />Chloride <br />mg/L <br /><MDL <br />33.3 <br />303.1 <br />9 <br />4.9 <br />Conductivity <br />umhos/cm <br />366 <br />622 <br />1440 <br />564 <br />513 <br />Hardness <br />mg/L <br />159.68 291.64 550.46 <br />303 <br />279 <br />Acidity <br />mg/L <br />-334 <br />-701 <br />39 <br />-320 <br />-320 <br />pH <br />su <br />6.9 <br />7.8 <br />8.6 <br />7.65 <br />7.6 <br />ResidueFilterable-TDS <br />mg/L <br />200 <br />418 <br />1046 <br />331 <br />339 <br />ResidueNonFilterable-TSS mg/L <br /><MDL <br />32 <br />280 <br />71.8 <br /><MDL <br />SAR <br /><MDL <br />0.61 <br />1.90 <br />0.446 <br />0.418 <br />Sulfate <br />mg/L <br /><MDLI <br />29.90 181.43 <br />16.2 <br />16.4 <br />Calcium (Dissolved) <br />mg/L <br />1.9 <br />41.7 <br />200.0 <br />41.3 <br />37.9 <br />Iron (Dissolved) <br />mg/L <br /><MDL <br />0.08 <br />0.66 <br />0.165 <br /><MDL <br />Iron (Total) <br />mg/L <br />0.01 <br />0.31 <br />1.07 <br />0.659 <br />0.158 <br />Magnesium (Dissolved) <br />mg/L <br />12.4 <br />52.4 <br />503.0 <br />48.6 <br />44.8 <br />Manganese (Total) <br />mg/L <br /><MDL <br />0.072 <br />0.235 <br />0.235 <br />0.0127 <br />Sodium (Dissolved) <br />mg/L <br />9.0 <br />25.0 <br />92.0 <br />15 <br />15.3 <br />The area of concern for monitoring point MW03 was affected by the mining operation before its establishment. Therefore, <br />all recorded monitoring events are considered Operational. <br />'Not enough water for parameters - no sample. <br />Monitoring Wells MW -1, MW -2 and MW -3 are located at the coal stockpile/truck dump/train loadout area and were <br />drilled during September 1982 to determine the essential hydrologic functions of the North Fork alluvial valley floor. <br />Two of the wells, MW -2 and MW -3, have since been determined to be installed in areas which are no longer <br />classified as alluvial valley floor. (TR -13) <br />Negative value of acidity indicates equivalent value of acidity <br />There is no baseline collection possible for points initiated after the influence of mining. <br />