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Bowie Resources, LLC Ground Water <br />Bowie No. 1 Mine <br />2016 Annual Hydrology Report B07 <br />Borehole 7 <br />Depth - 95.3' <br />Elevation - 6602' <br />Initiated <br />Activated <br />Date <br />9/1/1981 <br />9/1/1981 <br />9/1/1981 <br />9/1/1981 <br />12/2/2016 <br />6/16/2016 <br />Summary Information <br />Field <br />Parameters <br />Baseline <br />UNITS Min Ave Max <br />Operation <br />Min Ave <br />Max <br />Static Water Level <br />Feet <br />69.40 <br />86.86 <br />95.90 95.9 95.81 <br />Water Elevation <br />Feet <br />6506 <br />6515 <br />6533 6506.1 6506.19 <br />Temperature <br />Celsius <br />7.0 <br />13.7 <br />19.6 <br />Conductivity <br />umhos/cm <br />152 <br />1345 <br />2190 <br />pH <br />su <br />5.8 <br />7.5 <br />8.9 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />226.00 <br />423.3 <br />601.0 <br />Carbonate <br />mg/L <br /><MDL <br />0.3 <br />7 <br />Chloride <br />mg/L <br />21.80 <br />80.36 420.00 <br />Conductivity <br />umhos/cm <br />600 <br />1390 <br />2190 <br />Hardness <br />mg/L <br />237.0 <br />670.4 <br />1170.5 <br />Acidity <br />mg/L <br />20.0 <br />23.7 <br />27.0 <br />pH <br />su <br />6.9 <br />7.6 <br />8.4 <br />ResidueFilterable-TDS <br />mg/L <br />244 <br />977 <br />1900 <br />ResidueNonFilterable-TSS mg/L <br /><MDL <br />219 <br />824 <br />SAR <br />0.62 <br />1.33 <br />2.96 <br />Sulfate <br />mg/L <br />2.41 <br />325.14 <br />731.00 <br />Calcium (Dissolved) <br />mg/L <br />1.9 <br />141.3 <br />269.0 <br />Iron (Dissolved) <br />mg/L <br />0.02 <br />0.06 <br />0.12 <br />Iron (Total) <br />mg/L <br />1.02 <br />10.19 <br />18.64 <br />Magnesium (Dissolved) <br />mg/L <br />23.0 <br />73.5 <br />171.0 <br />Manganese (Total) <br />mg/L <br /><MDL <br />0.574 <br />0.763 <br />Sodium (Dissolved) <br />mg/L <br />22.0 <br />86.7 <br />408.0 <br />TDS Ratio (gray./calc.) <br />% <br />0.56 <br />0.98 <br />1.15 <br />The area of concern for monitoring point B07 was affected by the mining operation before its establishment. Therefore, <br />all recorded monitoring events are considered Operational. <br />`Not Enough Water for Parameters <br />Borehole B-7, also referred to as Node 22, is located below sedimentation pond #4 and is periodically monitored for <br />water quality to ascertain potential groundwater contamination attributable to the East Mine facilities area. <br />There is no baseline collection possible for points initiated after the influence of mining. <br />