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Bowie Resources, LLC Ground Water <br />Bowie No. 1 Mine <br />2015 Annual Hydrology Report SM06 <br />Monitoring Well SM -6 <br />Depth - 50' <br />Top of Pipe Elevation - 7480' <br />Pipe 2.5' Above Ground <br />Initiated <br />Activated <br />Date <br />8/3/85 8/3/85 <br />1 <br />6/19/15 10/24/14 <br />Summary Information <br />Field <br />Parameters <br />UNITS <br />Baseline <br />Min Ave <br />Operation <br />Max Min Ave Max <br />Static Water Level <br />Feet <br />9.6 <br />15.8 <br />29.9 <br />17.91 <br />16.98 <br />Water Elevation <br />Feet <br />7450.1 <br />7464.2 <br />7470.4 <br />7462.09 <br />7463.02 <br />Temperature <br />Celsius <br />6.0 <br />1 <br />9.4 <br />20.0 <br />1 <br />9.1 <br />9.3 <br />Conductivity <br />umhos/cm <br />440 <br />751 <br />1133 <br />780 <br />850 <br />pH <br />su <br />6.9 <br />8.0 <br />9.1 <br />9.1 <br />8.1 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />124 <br />413 <br />577 <br />335 <br />337.71 <br />Carbonate <br />mg/L <br /><MDL <br />2.7 <br />23.7 <br /><MDL <br /><MDL <br />Chloride <br />mg/L <br /><MDL <br />21.0 <br />260.1 <br />5.7 <br />22.16 <br />Conductivity <br />umhos/cm <br />391 <br />828 <br />1240 <br />719 <br />659 <br />Hardness <br />mg/L <br /><MDL <br />141.5 <br />514.0 <br />196 <br />253.19 <br />Acidity <br />mg/L <br />-356 <br />-25 <br />55 <br />-356 <br />4 <br />pH <br />su <br />7.2 <br />7.9 <br />8.8 <br />7.95 <br />7.73 <br />Residue Filterable-TDS <br />mg/L <br />256 <br />544 <br />779 <br />465 <br />579 <br />ResidueNonFilterable-TSS mg/L <br /><MDL <br />207 <br />6760 <br />46.7 <br />63 <br />SAR <br />0.61 <br />6.52 <br />18.80 <br />3.16 <br />4.222 <br />Sulfate <br />mg/L <br />15.8 <br />52.3 <br />221.0 <br />51.7 <br />65.03 <br />Calcium (Dissolved) <br />mg/L <br />1.9 <br />31.0 <br />131.0 <br />48.4 <br />76 <br />Iron (Dissolved) <br />mg/L <br /><MDL <br />0.11 <br />0.53 <br />0.02 <br />0.16 <br />Iron (Total) <br />mg/L <br /><MDL <br />0.99 <br />3.76 <br />1.31 <br />0.64 <br />Magnesium (Dissolved) <br />mg/L <br />3.0 <br />14.9 <br />63.6 <br />18.3 <br />15.4 <br />Manganese (Total) <br />mg/L <br /><MDL <br />0.101 <br />0.480 <br />0.089 <br />0.012 <br />Sodium (Dissolved) <br />mg/L <br />19.0 <br />225.9 <br />3949.4 <br />106 <br />154.4 <br />TDS Ratio (gray./calc.) <br />% <br />0.62 <br />0.97 <br />1.08 <br />0.86 <br />The area of concern for monitoring point SM06 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />Shallow monitoring wells SM -1 through SM -11 were constructed in 1985 in order to gather additional information <br />on alluvial/colluvial deposits within the permit boundary. They are depicted on Map 4-1. <br />Baseline Information Collection initiated on 8/3/85 and not yet considered complete. <br />Point SM06 has not been influenced by mining. <br />Figure No. 16 <br />