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Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2016 Annual Hydrology Report <br />Summary Information <br />SW -02 <br />Terror Creek - Mid Stream <br />Elevation - 7040 <br />Initiated <br />Activated <br />Date <br />j 1/28/1983 1/28/1983 1/28/1983 1/28/1983 <br />Baseline <br />Min <br />§ 11/7/2016 9/9/2016 6/29/2016 4/13/2016 <br />Field <br />Parameters <br />UNITS <br />Baseline <br />Min <br />Ave <br />Operation <br />Max Min Ave Max <br />Flow <br />CFS <br />0.00 <br />5.89 <br />81.22 <br />0.050 <br />0.280 <br />9.949 <br />7.146 <br />Water Level in Flume <br />Feet <br />0.00 <br />0.37 <br />2.80 <br />0.740 <br />0.600 <br />Temperature <br />Celsius <br />-0.7 <br />9.2 <br />20.3 <br />3.2 <br />10.4 <br />8.8 <br />4.3 <br />Conductivity <br />umhos/cm <br />26 <br />125 <br />320 <br />26 <br />128.9 <br />90 <br />110 <br />pH <br />su <br />5.3 <br />8.2 <br />10.2 <br />8.57 <br />8.6 <br />8.5 <br />7.9 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />38 <br />85 <br />144 <br />130 <br />84.7 <br />Chloride <br />mg/L <br />0.87 <br />29.78 <br />198.50 <br />1.8 <br />0.87 <br />Conductivity <br />umhos/cm <br />77 <br />192 <br />548 <br />215 <br />119 <br />Hardness <br />mg/L <br />29.02 <br />73.51 <br />157.58 <br />1 <br />67.6 <br />Nitrate -Nitrite <br />mg/L <br /><MDL <br />0.24 <br />0.61 <br /><MDL <br /><MDL <br />Oil and Grease <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />pH <br />su <br />6.71 <br />7.7 <br />8.8 <br />8.13 <br />8.08 <br />Phosphate <br />mg/L <br /><MDL <br />1.60 <br />7.791 1 <br /><MDL <br />0.017 <br />ResidueFilterable-TDS <br />mg/L <br />70 <br />155 <br />430 <br />148 <br />128 <br />ResidueNonFilterable-TSS mg/L <br /><MDL <br />28 <br />174 <br /><MDL <br />12.1 <br />SAR <br />0.11 <br />0.50 <br />2.22 <br />0.44 <br />Sulfate <br />mg/L <br />2.03 <br />11.56 <br />35.00 <br />8 <br />4.9 <br />Aluminum (TREC) <br />mg/L <br /><MDL <br />0.563 <br />1.290 <br /><MDLI <br />1.29 <br />Arsenic (TREC) <br />mg/L <br /><MDLI <br />0.023 <br />0.075 <br /><MDL <br /><MDL <br />Cadmium (TREC) <br />mg/L <br /><MDL <br />0.008 <br />0.020 <br /><MDL <br /><MDL <br />Calcium (TREC) <br />mg/L <br />5.42 <br />19.80 <br />42.00 <br />21.2 <br />17.1 <br />Copper (TREC) <br />mg/L <br /><MDL <br />0.004 <br />0.010 <br /><MDL <br /><MDL <br />Iron (TREC) <br />mg/L <br />0.033 <br />0.542 <br />1.250 <br />1.25 <br />1.2 <br />Lead (TREC) <br />mg/L <br /><MDL <br />0.013 <br />0.0501 <br /><MDL <br /><MDL <br />Magnesium (TREC) <br />mg/L <br />3.76 <br />9.97 <br />18.10 <br />8.75 <br />6.04 <br />Manganese (TREC) <br />mg/L <br />0.011 <br />0.03 <br />0.05 <br />0.0191 <br />0.0431 <br />Mercury (TREC) <br />mg/L <br /><MDL 0.00006 <br />0.00016 <br /><MDL <br /><MDL <br />Molybdenum (TREC) <br />mg/L <br /><MDL <br />0.004 <br />0.006 <br />1 <br /><MDL <br /><MDL <br />Selenium (TREC) <br />mg/L <br /><MDL 0.00614 0.02300 <br /><MDL <br /><MDL <br />Sodium (TREC) <br />I mg/L <br />4.1 <br />16.4 <br />64.0 <br />13 <br />7.87 <br />Zinc (TREC) <br />I mg/L <br /><MDL <br />0.027 <br />0.060 1 1 <br /><MDLI <br />I <br /><MDL <br />The area of concern for monitoring point SW -02 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />SW -02 is located on the East Fork of Terror Creek in the NW1/4 SE1/4 Sec 5, T13S, R91 W, of the 6th P.M. A 48" Parshall flume manufactured <br />by the Thompson Pipe and Steel Company of Denver, Colorado was installed at this location. <br />* No OG reading <br />Surface Water <br />Figure 87 <br />