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Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2016 Annual Hydrology Report <br />SW -01 <br />West Terror Creek - Downstream <br />Elevation - 7140 <br />Summary Information <br />Surface Water <br />Initiated <br />Activated <br />Date <br />10/24/2013 10/24/2013 10/24/2013 10/24/2013 <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 />0.40 <br />5.09 <br />52.00 <br />0.50 <br />0.40 <br />1.00 <br />5.82 <br />Water Level in Flume <br />Feet <br />0.100 <br />0.626 <br />2.000 <br />1.28 <br />Temperature <br />Celsius <br />0 <br />6.6 <br />15.3 <br />3.5 <br />9.2 <br />11.5 <br />4.6 <br />Conductivity <br />umhos/cm <br />100 <br />138 <br />190 <br />155 <br />143.3 <br />125.3 <br />110 <br />pH <br />su <br />7.9 <br />8.3 <br />8.9 <br />8.44 <br />8.2 <br />8.33 <br />8 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />59.3 <br />76.9 <br />90.6 <br />81.8 <br />65.8 <br />Chloride <br />mg/L <br />0.56 <br />0.81 <br />1.30 <br />0.84 <br />0.56 <br />Conductivity <br />umhos/cm <br />87.3 <br />111 <br />136 <br />125 <br />87.3 <br />Hardness <br />mg/L <br />46.7 <br />57.43 <br />69.90 <br />57.3 <br />53.2 <br />Acidity <br />mg/L <br />-76 <br />-60.46 <br />-44.80 <br />-64 <br />-52 <br />Nitrate -Nitrite <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Oil and Grease <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Phosphate <br />mg/L <br />0.018 <br />0.07 <br />0.23 <br />0.027 <br /><MDL <br />ResidueFilterable-TDS <br />mg/L <br />86.7 <br />105 <br />144 <br />95 <br />93 <br />ResidueNonFilterable-TSS mg/L <br /><MDL <br />18 <br />34 <br /><MDL <br />9.3 <br />SAR <br />0.226 <br />0.324 <br />0.449 <br />0.325 <br />Sulfate <br />mg/L <br />2.1 <br />3.1 <br />4.3 <br />2.9 <br />3.5 <br />Aluminum (TREC) <br />mg/L <br /><MDL <br />11.677 101.000 <br /><MDL <br />0.648 <br />Arsenic (TREC) <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Cadmium (TREC) <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Calcium (TREC) <br />mg/L <br />12.5 <br />14.9 <br />18.0 <br />14.2 <br />14 <br />Calcium (Dissolved) <br />mg/L <br />12.0 <br />15.4 <br />18.2 <br />16 <br />13.9 <br />Copper (TREC) <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Iron (Dissolved) <br />mg/L <br />0.0310 <br />4.6897 41.6000 <br />0.0396 <br />0.0514 <br />Iron (TREC) <br />mg/L <br />0.135 <br />0.413 <br />1.180 <br />0.135 <br />0.69 <br />Lead (TREC) <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Magnesium (TREC) <br />mg/L <br />3.77 <br />4.94 <br />6.07 <br />5.3 <br />4.43 <br />Magnesium (Dissolved) <br />mg/L <br />3.59 <br />5.10 <br />6.09 <br />5.3 <br />4.48 <br />Manganese (TREC) <br />mg/L <br />0.0058 <br />0.0136 <br />0.0280 <br />0.0087 <br />0.0261 <br />Mercury (TREC) <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Molybdenum (TREC) <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Selenium (TREC) <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Sodium (TREC) <br />mg/L <br />4.035.69 <br />8.50 <br />5.43 <br />5.27 <br />Sodium (Dissolved) <br />mg/L <br />3.48 <br />5.78 <br />8.66 <br />5.68 <br />5.44 <br />Zinc (TREC) <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />The area of concern for monitoring point SW -01 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />Negative acidity value indicates equivalent value of alkalinity <br />Figure 86 <br />