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Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2016 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 4/15/1983 4/15/1983 4/15/1983 <br />1 <br />11/7/20161 9/12/2016 6/21/2016 5/26/2016 <br />Field <br />Parameters <br />UNITS <br />Baseline <br />Min <br />Ave <br />Operation <br />Max Min Ave Max <br />Outflow <br />GPM <br />0 <br />2.02 <br />22.5 <br />1 <br />0.02 <br />7.5 <br />22.5 <br />Inflow <br />GPM <br />0 <br />12.06 <br />90 <br />1.5 <br />0.01 <br />9.375 <br />18.75 <br />Freeboard <br />Feet <br />0 <br />0 <br />0 <br />1 <br />Temperature <br />Celsius <br />3.6 <br />9.7 <br />25 <br />8 <br />9.6 <br />8.5 <br />7.3 <br />Conductivity <br />umhos/cm <br />240 <br />468 <br />791 <br />565 <br />550 <br />470 <br />420 <br />pH <br />su <br />6.81 <br />7.61 <br />9.3 1 1 <br />7.671 <br />7.281 <br />7.11 <br />7.6 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />186.0 <br />263.9 <br />361.0 <br />294 <br />255 <br />228 <br />Chloride <br />mg/L <br /><MDL <br />5 <br />34.74 <br />3.4 <br />3.6 <br />3.2 <br />Conductivity <br />umhos/cm <br />340 <br />490 <br />686 <br />475 <br />400 <br />340 <br />Hardness <br />mg/L <br />17.00 <br />176.03 <br />232.00 <br />206 <br />171 <br />146 <br />Nitrate -Nitrite <br />mg/L <br /><MDL <br />0.48 <br />0.62 <br /><MDL <br />0.51 <br /><MDL <br />Oil and Grease <br />mg/L <br /><MDL <br /><MDLI <br /><MDL I <br /><MDLI <br /><MDL <br /><MDL <br />pH <br />su <br />6.8 <br />7.6 <br />8.3 <br />7.31 <br />7.11 <br />Phosphate <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />0.045 <br /><MDL <br />ResidueFilterable-TDS <br />mg/L <br />145 <br />288 <br />430 <br />300 <br />263 <br />228 <br />ResidueNonFilterable-TSS mg/L <br /><MDL <br />17 <br />74 <br />70.7 <br />7.6 <br /><MDL <br />SAR <br />1.08 <br />2.65 <br />41.10 <br />1.41 <br />1.36 <br />1.22 <br />Sulfate <br />mg/L <br />5.35 <br />27.49 <br />68 <br />23.21 <br />21.4 <br />19.9 <br />Aluminum (TREC) <br />mg/L <br /><MDL 242.112 <br />1210 <br />1210 <br /><MDL <br />0.243 <br />Arsenic (TREC) <br />mg/L <br /><MDL <br />0.01 <br />0.02 <br /><MDL <br /><MDL <br /><MDL <br />Cadmium (TREC) <br />mg/L <br /><MDL <br />0.01 <br />0.01 <br /><MDL <br /><MDL <br /><MDL <br />Calcium (TREC) <br />mg/L <br />37.9 <br />45.3 <br />56.2 <br />56.1 <br />44.9 <br />37.9 <br />Copper (TREC) <br />mg/L <br /><MDLI <br />0.01 <br />0.01 <br /><MDL <br /><MDL <br /><MDL <br />Iron (TREC) <br />mg/L <br />0.0197 <br />0.38 <br />2.25 <br />2.251 <br />0.0197 <br />0.269 <br />Lead (TREC) <br />mg/L <br /><MDL <br />0.03 <br />0.04 <br /><MDL <br /><MDL <br /><MDL <br />Magnesium (TREC) <br />mg/L <br />12.5 <br />16.2 <br />18.9 <br />16 <br />14.2 <br />12.5 <br />Manganese (TREC) <br />mg/L <br /><MDL <br />0.024 <br />0.0862 <br />0.0862 <br /><MDL <br />0.0099 <br />Mercury (TREC) <br />mg/L <br /><MDL 0.000081 <br />0.00022 <br /><MDL <br /><MDL <br /><MDL <br />Molybdenum (TREC) <br />mg/L <br /><MDL <br />0.003 <br />0.006 <br /><MDL <br /><MDL <br /><MDL <br />Selenium (TREC) <br />mg/L <br /><MDL 0.00531 <br />0.014 <br /><MDLI <br /><MDL <br /><MDL <br />Sodium (TREC) <br />mg/L <br />36.3 <br />54.6 <br />112.6 <br />44.61 <br />40.8 <br />36.3 <br />Zinc (TREC) <br />mg/L <br /><MDL <br />0.010 <br />0.02 <br /><MDLI <br /><MDLI <br /><MDL <br />The area of concern for monitoring point SP17 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. <br />Point SP17 has not been influenced by mining. Figure 4 <br />