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Bowie Resources, LLC Surface Water <br />Bowie No. 1 Mine <br />2014 Annual Hydrology Report P8900 <br />East Roatcap Creek - Pond 89 <br />Depth - 7.5' <br />Elevation -7490 <br />Initiated <br />5/16/1983 <br />5/16/1983 <br />5/16/1983 <br />5/16/1983 <br />Activated <br />67.5 <br />Date <br />11/6/2014 <br />10/24/2014 <br />9/29/2014 <br />6/17/2014 <br />Summary Information <br />Field <br />Parameters <br />Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow <br />GPM <br />0.0 <br />4.1 <br />67.5 <br />0 <br />0 <br />0 <br />0 <br />Freeboard <br />Feet <br />0.0 <br />1.8 <br />8.26 <br />6.95 <br />6.68 <br />6.91 <br />0.36 <br />Temperature <br />Celsius <br />0.8 <br />15.0 <br />27.1 <br />Conductivity <br />umhos /cm <br />160 <br />419 <br />1040 <br />pH <br />su <br />6.1 <br />8.0 <br />9.9 <br />Field Comments <br />No Inflowl <br />No Inflowl <br />No Inflow <br />No Inflow <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg /L <br />40.0 <br />202.9 <br />308.9 <br />Carbonate <br />mg /L <br /><MDL <br />1 <br />24 <br />Chloride <br />mg /L <br />1.00 <br />8.58 <br />29.78 <br />Conductivity <br />umhos /cm <br />100 <br />470 <br />823 <br />Hardness <br />mg /L <br />37 <br />219 <br />418 <br />Acidity <br />mg /L <br />26.38 <br />26.38 <br />26.38 <br />pH <br />su <br />6.7 <br />7.7 <br />9.2 <br />Residue Filterable -TDS <br />mg /L <br />50 <br />306 <br />552 <br />Residue Non Filterable -TSS <br />mg /L <br />4 <br />44 <br />320 <br />SAR <br />0.17 <br />0.46 <br />0.9 <br />Sulfate <br />mg /L <br />4 <br />61 <br />198 <br />Calcium (Dissolved) <br />mg /L <br />10.0 <br />59.6 <br />113.0 <br />Iron (Dissolved) <br />mg /L <br />0.010 <br />0.010 <br />0.010 <br />Iron (Total) <br />mg /L <br />0.030 <br />0.030 <br />0.030 <br />Magnesium (Dissolved) <br />mg /L <br />3.0 <br />17.41 <br />33.0 <br />Manganese (Total) <br />mg /L <br />0.009 <br />0.009 <br />0.009 <br />Sodium (Dissolved) <br />mg /L <br />3.0 <br />15.5 <br />28.4 <br />TDS Ratio (gray. /calc.) <br />0.91 <br />1.021 <br />1.11 <br />The area of concern for monitoring point P8900 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />This large pond is approximately 100'x 100'. (Hanna, 99) <br />Baseline Information Collection initiated on 5/16/83 and not yet considered complete. <br />Point P8900 has not been influenced by mining. <br />Figure Number34 <br />