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Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2012 Annual Hydrology Report <br />SP17 <br />Terror Creek - Pond Spring 17 <br />Depth 4' <br />Elevation - 7520 <br />Summary Information <br />Surface Water <br />Initiated <br />Activated <br />Date <br />4/15/1983 <br />4/15/1983 <br />4/15/1983 <br />4/15/1983 <br />1 <br />12 <br />10/10/2012 <br />8/7/2012 <br />6/28/2012 <br />4/9/2012 <br />Field <br />Parameters <br />Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Outflow <br />GPM <br />0 <br />1.38 <br />12 <br />0 <br />0 <br />0.54 <br />2.6 <br />Inflow <br />GPM <br />0 <br />13.03 <br />90 <br />1.25 <br />1.5 <br />1.5 <br />3.75 <br />Freeboard <br />Feet <br />0 <br />0 <br />0 <br />rl <br />0 <br />1 <br />0 <br />0 <br />0 <br />Temperature <br />Celsius <br />3.6 <br />9.9 <br />25 <br />6.6 <br />8.4 <br />9.7 <br />6.9 <br />Conductivity <br />umhos /cm <br />240 <br />468 <br />791 <br />520 <br />510 <br />500 <br />360 <br />pH <br />su <br />6.81 <br />7.71 <br />9.3 <br />7.5 <br />7.41 <br />7.4 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg /L <br />186.0 <br />264.3 <br />361.0 <br />Chloride <br />mg /L <br /><MDL <br />6 <br />34.74 <br />Conductivity <br />umhos /cm <br />350 <br />497 <br />686 <br />Hardness <br />mg /L <br />17.00 <br />176.24 <br />232.00 <br />Nitrate - Nitrite <br />mg /L <br />0.3 <br />0.46 <br />0.62 <br />Oil and Grease <br />mg /L <br /><MDL <br /><MDLI <br /><MDL <br />pH <br />su <br />6.8 <br />7.6 <br />8.3 <br />Phosphate <br />mg /L <br /><MDL <br /><MDL <br /><MDL <br />ResidueFilterable -TDS <br />mg /L <br />145 <br />291 <br />430 <br />ResidueNonFilterable -TSS <br />mg /L <br /><MDL <br />16 <br />74 <br />SAR <br />1.08 <br />2.74 <br />41.10 <br />Sulfate <br />mg /L <br />5.35 <br />27.89 <br />68 <br />Aluminum (TREC) <br />mg /L <br />0.011 <br />0.098 <br />0.185 <br />Arsenic (TREC) <br />mg /L <br />0.011 <br />0.02 <br />0.02 <br />Cadmium (TREC) <br />mg /L <br />0.01 <br />0.01 <br />0.01 <br />Calcium (TREC) <br />mg /L <br />38.1 <br />47.2 <br />56.2 <br />Copper (TREC) <br />mg /L <br />0.002 <br />0.011 <br />0.01 <br />Iron (TREC) <br />mg /L <br />0.03 <br />0.05 <br />0.08 <br />Lead (TREC) <br />mg /L <br />0.03 <br />0.04 <br />0.04 <br />Magnesium (TREC) <br />mg /L <br />17.6 <br />1 <br />17.7 <br />17.7 <br />Manganese (TREC) <br />mg /L <br />0.006 <br />0.010 <br />0.013 <br />Mercury (TREC) <br />mg /L <br />0.00002 <br />0.00012 <br />0.00022 <br />Molybdenum (TREC) <br />mg /L <br />0.002 <br />0.0041 <br />0.006 <br />Selenium (TREC) <br />mg /L <br />0.00172 <br />0.007861 <br />0.014 <br />Sodium (TREC) <br />mg /L <br />36.8 <br />46.61 <br />56.3 <br />Zinc (TREC) <br />mg /L <br />1 0.004 <br />0.0051 <br />0.005 <br />The area of concern for monitoring point SP 17 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />A diffuse flow from an area of approximately 30'x 20' discharges into a pond measuring approximately 30'x 50'. (Hanna, 99) <br />Baseline Information Collection initiated on 4/15/83 and not yet considered complete. Figure No. 7 <br />Point SP17 has not been influenced by mining. <br />