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Bowie Resources, LLC Surface Water <br />Bowie No. 2 Mine <br />2016 Annual Hydrology Report S7-10 <br />Terror Creek - Spring 7-10 <br />Elevation - 7880 <br />Initiated <br />Activated <br />Date <br />8/1/1983 <br />8/1/1983 <br />8/1/1983 <br />8/1/1983 <br />12/31/2013 12/31/2013 12/31/2013 <br />1 <br />12/31/2013 <br />11/9/2016 9/13/2016 6/24/2016 <br />5/26/2016 <br />Summary Information <br />Field <br />Parameters <br />UNITS <br />Baseline <br />Min <br />Ave <br />Max <br />Operation <br />Min Ave <br />Max <br />Flow <br />GPM <br />0.00 <br />1.56 <br />18.75 <br />0.75 <br />2.02 <br />3.75 <br />0.79 <br />1.76 <br />3.52 1.88 <br />Temperature <br />Celsius <br />1.6 <br />7.81 <br />21.7 <br />6.40 <br />7.30 <br />8.40 <br />8.1 <br />8.4 <br />7.4 6.9 <br />Conductivity <br />umhos/cm <br />190 <br />480 <br />660 <br />420.00 <br />562.90 <br />681.00 <br />681 <br />658 <br />600 570 <br />pH <br />su <br />7.0 <br />7.6 <br />8.4 <br />6.80 <br />7.38 <br />7.85 <br />7.85 <br />7.37 <br />7.4 7.6 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />142.00 <br />259.51 <br />384.00 <br />241.77 <br />296.89 <br />352.00 <br />352 <br />Chloride <br />mg/L <br /><MDL <br />6.8 <br />54.6 <br />4.6 <br />7.8 <br />10.9 <br />4.6 <br />Conductivity <br />umhos/cm <br />292 <br />487 <br />722 <br />542 <br />561 <br />580 <br />580 <br />Hardness <br />mg/L <br />3.00 <br />203.62 <br />258.00 <br />214.04 <br />220.02 <br />226.00 <br />226 <br />Nitrate -Nitrite <br />mg/L <br />0.3 <br />0.3 <br />0.31 <br /><MDL <br />0.065 <br />Oil & Grease <br />mg/L <br /><MDL <br /><MDLI <br /><MDL <br /><MDL <br /><MDL <br />pH <br />su <br />6.76 <br />7.58 <br />8.59 <br />7.08 <br />7.22 <br />7.35 <br />7.35 <br />Phosphate <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Residue Filterable-TDS <br />mg/L <br />190 <br />319 <br />476 <br />358 <br />394 <br />430 <br />358 <br />Residue NonFilterable-TSS mg/L <br /><MDL <br />57 <br />272 <br />14 <br />14 <br />14 <br /><MDL <br />SAR <br />0.470 <br />0.920 <br />3.959 <br />1.610 <br />2.785 <br />3.959 <br />1.61 <br />Sulfate <br />mg/L <br />0.4 <br />22.0 <br />49.8 <br />35.9 <br />42.9 <br />49.8 <br />35.9 <br />Aluminum (TREC) <br />mg/L <br />0.023 <br />0.023 <br />0.110 <br />0.110 <br />0.110 <br />0.110 <br /><MDL <br />Arsenic (TREC) <br />mg/L <br />0.0100 <br />0.0100 <br />0.0100 <br />0.0010 <br />0.0010 <br />0.0010 <br /><MDL <br />Cadmium (TREC) <br />mg/L <br />0.020 <br />0.020 <br />0.020 <br />0.002 <br />0.002 <br />0.002 <br /><MDL <br />Calcium (TREC) <br />mg/L <br />36.1 <br />36.1 <br />54.9 <br />43.5 <br />49.2 <br />54.90 <br />1 <br />54.9 <br />Copper (TREC) <br />mg/L <br />0.0010 <br />0.0010 <br />0.0120 <br />0.0120 <br />0.0120 <br />0.0120 <br /><MDL <br />Iron (TREC) <br />mg/L <br />0.06 <br />0.22 <br />0.49 <br />0.02 <br />0.17 <br />0.31 <br />0.0221 <br />Magnesium (TREC) <br />mg/L <br />24.70 <br />24.70 <br />25.60 <br />21.50 <br />23.551 <br />25.60 <br />21.5 <br />Manganese (TREC) <br />mg/L <br /><MDL <br />0.0123 <br />0.0260 <br />0.0260 <br />0.0260 <br />0.03 <br /><MDL <br />Mercury (TREC) <br />mg/L <br />0.0000 <br />0.0000 <br />0.0000 <br />0.00002 0.00002 0.00002 <br /><MDL <br />Molybdenum (TREC) <br />mg/L <br />0.003 <br />0.003 <br />0.003 <br />0.001 <br />0.001 <br />0.001 <br /><MDL <br />Selenium (TREC) <br />mg/L <br />0.023 <br />0.023 <br />0.023 <br />0.003 <br />0.003 <br />0.003 <br /><MDL <br />Sodium (TREC) <br />mg/L <br />32.3 <br />32.3 <br />133.1 <br />55.8 <br />94.5 <br />133.1 <br />55.8 <br />Zinc (TREC) <br />mg/L <br />0.006 <br />0.006 <br />0.011 <br />0.0111 <br />0.0111 <br />0.011 <br /><MDL <br />This spring consists of a small 2'x 5' area of exposed rocks. Spring water bubbles up through the rocks. (Hanna, 99) <br />Activated December 31. 2013 <br />Baseline Information Collection initiated on 8/1/83. <br />Point S7-10 was influenced by mining 12/31/2013. <br />Figure 45 <br />