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Bowie Resources, LLC Surface Water <br />Bowie No. 2 Mine <br />2016 Annual Hydrology Report SP18 <br />Terror Creek - Pond Spring 18 <br />Elevation - 7280 <br />Initiated <br />Activated <br />Date <br />4/15/1983 4/15/1983 4/15/1983 4/15/1983 <br />1 <br />11/8/2016 9/12/2016 6/21/2016 5/26/2016 <br />Summary Information <br />Field <br />Parameters <br />UNITS <br />Min <br />Baseline <br />Ave <br />Operation <br />Max Min Ave Max <br />Outflow <br />GPM <br />0.17 <br />1.17 <br />2.50 <br />1.74 <br />0.25 <br />2.50 <br />2.50 <br />Inflow <br />GPM <br />0.09 <br />2.74 <br />17.50 <br />2.69 <br />1.59 <br />3.00 <br />2.50 <br />Freeboard <br />Feet <br />0.00 <br />0.00 <br />0.00 <br />1 <br />Temperature <br />Celsius <br />3.0 <br />10.6 <br />21.3 <br />8.2 <br />12.2 <br />12.1 <br />8.5 <br />Conductivity <br />umhos/cm <br />260 <br />621 <br />832 <br />687 <br />672 <br />670 <br />650 <br />pH <br />su <br />7.71 <br />8.31 <br />8.9 1 1 <br />8.71 <br />8.41 <br />8.51 <br />8.5 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />133.0 <br />343.5 <br />408.7 <br />401 <br />400 <br />Chloride <br />mg/L <br />3.00 <br />8.17 <br />62.04 <br />3.6 <br />3.8 <br />Conductivity <br />umhos/cm <br />230 <br />610 <br />892 <br />600 <br />600 <br />Hardness <br />mg/L <br />86.00 <br />235.91 <br />277.00 <br />266 <br />270 <br />Nitrate -Nitrite <br />mg/L <br /><MDL <br />0.4 <br />0.4 <br /><MDL <br />0.42 <br />Oil and Grease <br />mg/L <br /><MDL <br /><MDLI <br /><MDL I <br />I <br /><MDL <br /><MDL <br />pH <br />su <br />7.2 <br />8.0 <br />8.3 <br />8.3 <br />8.2 <br />Phosphate <br />mg/L <br /><MDL <br />0.024 <br />0.024 <br /><MDL <br />0.024 <br />ResidueFilterable-TDS <br />mg/L <br />110 <br />344 <br />678 <br />377 <br />388 <br />ResidueNonFilterable-TSS mg/L <br />2 <br />36 <br />171 <br />64.2 <br />34.4 <br />SAR <br />0.89 <br />1.40 <br />1.84 <br />1.46 <br />1.42 <br />Sulfate <br />mg/L <br />10 <br />281 <br />53 1 <br />1 <br />20.3 <br />20.9 <br />Aluminum (TREC) <br />mg/L <br />0.028 269.206 806.000 <br />1.59 <br />806 <br />Arsenic (TREC) <br />mg/L <br /><MDL <br />0.04 <br />0.04 <br /><MDL <br /><MDL <br />Cadmium (TREC) <br />mg/L <br /><MDL <br />0.01 <br />0.01 <br /><MDL <br /><MDL <br />Calcium (TREC) <br />mg/L <br />58.6 <br />63.9 <br />66.8 <br />66.8 <br />66.2 <br />Copper TREC) <br />mg/L <br /><MDL <br />0.003 <br />0.003 <br /><MDL <br /><MDL <br />Iron (TREC) <br />mg/L <br />0.24 <br />1.401 <br />4.51 <br />1.8 <br />1.18 <br />Lead (TREC) <br />mg/L <br />0.03 <br />0.03 <br />0.03 <br /><MDL <br /><MDL <br />Magnesium (TREC) <br />mg/L <br />24.2 <br />25.9 <br />28.1 <br />24.2 <br />25.4 <br />Manganese (TREC) <br />mg/L <br />0.01 <br />3.55 <br />21.20 <br />21.2 <br />0.0208 <br />Mercury (TREC) <br />mg/L <br /><MDL 0.00007 0.00007 <br /><MDL <br /><MDL <br />Molybdenum (TREC) <br />mg/L <br /><MDL <br />0.009 <br />0.009 <br /><MDL <br /><MDL <br />Selenium (TREC) <br />mg/L <br /><MDLl <br />0.0121 <br />0.012 <br /><MDL <br /><MDL <br />Sodium (TREC) <br />mg/L <br />53.81 <br />59.2 <br />69.7 <br />1 <br />53.8 <br />54.2 <br />Zinc (TREC) <br />mg/L <br /><MDLI <br />0.004 <br />0.004 <br />1 <br /><MDLI <br /><MDL <br />The area of concern for monitoring point SP18 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />Baseline Information Collection initiated on 4/15/83 and not yet considered complete. <br />Point SP18 has not been influenced by mining. <br />Figure 6 <br />