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Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2016 Annual Hydrology Report <br />Surface Water <br />SP7-5 <br />Steven's Gulch - Pond Spring 7-5 <br />Elevation - 8300 <br />Initiated <br />Activated <br />Date <br />7/6/1983 7/6/1983 7/6/1983 7/6/1983 <br />1 <br />11/10/2016 9/16/2016 6/17/2016 5/24/2016 <br />Summary Information <br />Field <br />Parameters <br />UNITS <br />Min <br />Baseline <br />Ave <br />Operation <br />Max Min Ave Max <br />Inflow <br />GPM <br />0.00 <br />1.07 <br />4.49 <br />Seep <br />2.250 <br />0.500 <br />Outflow <br />GPM <br />0.00 <br />0.16 <br />0.75 <br />0.000 Damp <br />0.000 <br />Seep <br />Freeboard <br />Feet <br />0.00 <br />1 <br />0.36 <br />2.20 <br />1 <br />2.2 0 <br />0 <br />0 <br />Temperature <br />Celsius <br />3.5 <br />10.2 <br />21.7 <br />3.5 7.9 <br />5.8 <br />6.8 <br />Conductivity <br />umhos/cm <br />202 <br />326 <br />800 <br />359 351 <br />337 <br />290 <br />pH <br />su <br />6.41 <br />7.61 <br />9.0 1 1 <br />7.321 7.071 <br />7.021 <br />7.4 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />71.81 <br />183.45 <br />227.00 <br />184 <br />Chloride <br />mg/L <br /><MDL <br />4.39 <br />19.82 <br />1.5 <br />Conductivity <br />umhos/cm <br />184 <br />298 <br />430 <br />265 <br />Hardness <br />mg/L <br />74.97 <br />154.5 <br />228.0 <br />153 <br />Nitrate -Nitrite <br />mg/L <br /><MDL <br />0.256 <br />0.256 <br /><MDL <br />Oil & Grease <br />mg/L <br /><MDL <br /><MDLI <br /><MDL <br />I <br /><MDL <br />pH <br />su <br />6.7 <br />7.4 <br />8.4 <br />6.92 <br />Phosphate <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />0.082 <br />ResidueFilterable-TDS <br />mg/L <br />163 <br />204 <br />260 <br />191 <br />ResidueNonFilterable-TSS mg/L <br /><MDL <br />42 <br />236 <br /><MDL <br />SAR <br />0.250 <br />0.350 <br />0.933 <br />0.288 <br />Sulfate <br />mg/L <br /><MDL <br />18.21 <br />154.0 <br />1 <br />4.5 <br />Aluminum (TREC) <br />mg/L <br /><MDL <br />0.022 <br />0.022 <br /><MDL <br />Arsenic (TREC) <br />mg/L <br /><MDL <br />0.04 <br />0.04 <br /><MDL <br />Cadmium (TREC) <br />mg/L <br /><MDL <br />0.01 <br />0.01 <br /><MDL <br />Calcium (TREC) <br />mg/L <br />19.8 <br />27.7 <br />35.6 <br />35.6 <br />Copper (TREC) <br />mg/L <br /><MDL <br />0.02 <br />0.02 <br /><MDL <br />Iron (TREC) <br />mg/L <br />0.101 <br />0.31 <br />0.62 <br />0.101 <br />Lead (TREC) <br />mg/L <br /><MDL <br />0.05 <br />0.05 <br /><MDL <br />Magnesium (TREC) <br />mg/L <br />6.2 <br />16.1 <br />27.0 <br />15.5 <br />Manganese (TREC) <br />mg/L <br /><MDL <br />0.02 <br />0.02 <br /><MDL <br />Mercury (TREC) <br />mg/L <br /><MDL 0.00004 0.00004 <br /><MDL <br />Molybdenum (TREC) <br />mg/L <br /><MDL <br />0.0061 <br />0.006 <br /><MDL <br />Selenium (TREC) <br />mg/L <br /><MDLI <br />0.023 <br />0.023 <br /><MDL <br />Sodium (TREC) <br />mg/L <br />1 8.501 <br />17.531 <br />26.561 <br />8.5 <br />Zinc (TREC) <br />mg/L <br />I <MDLI <br />0.0061 <br />0.006 <br /><MDL <br />The area of concern for monitoring point SP7-5 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />`Inflow unmeasurable <br />Baseline Information Collection initiated on 7/6/83 and not yet considered complete. <br />Point SP7-5 has not been influenced by mining. <br />Figure 3 <br />