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Bowie Resources, LLC Surface Water <br />Bowie No. 2 Mine <br />2016 Annual Hydrology Report S2-2 <br />Hubbard Creek - Spring 2-2 <br />Elevation - 6740 <br />Initiated <br />Activated <br />Date <br />6/9/1998 <br />6/9/1998 <br />6/9/1998 <br />9/15/2001 9/15/2001 <br />1 <br />9/15/2001 <br />10/31/2016 9/14/2016 <br />6/30/2016 <br />Summary Information <br />Field <br />Parameters <br />UNITS <br />Min <br />Baseline <br />Ave <br />Max <br />Operation <br />Min Ave <br />Max <br />Flow <br />GPM <br />0.0 <br />1.5 <br />15.5 <br />0.0 <br />0.7 <br />7.1 <br />Seep <br />FieldComment <br />Very Damp <br />Damp <br />ph <br />su <br />6.9 <br />7.5 <br />8.0 <br />7.4 <br />8.7 <br />9.3 <br />8.7 <br />Conductivity <br />umhos/cm <br />580 <br />680 <br />780 <br />930 <br />1636 <br />2100 <br />1584 <br />Temperature <br />Celsius <br />11.5 <br />12.3 <br />13.2 <br />0.1 <br />15.1 <br />26.3 <br />12.2 <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />339 <br />350 <br />361 <br />489.6 <br />536.9 <br />584.2 <br />Carbonate <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />15.6 <br />19.5 <br />23.4 <br />Chloride <br />mg/L <br />2 <br />3 <br />3 <br /><MDL <br />2.5 <br />2.5 <br />Conductivity <br />umhos/cm <br />685 <br />702 <br />718 <br />1042.2 <br />1142.9 <br />1243.7 <br />Hardness <br />mg/L <br />208 <br />212 <br />215 <br />132.5 <br />144.6 <br />156.7 <br />Nitrate -Nitrite <br />mg/L <br />0.07 <br />0.091 <br />0.12 <br /><MDLI <br /><MDL <br /><MDL <br />Oil and Grease <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />pH <br />su <br />7.7 <br />7.8 <br />7.8 <br />8.5 <br />8.7 <br />8.8 <br />Phosphate <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />ResidueFilterable-TDS <br />mg/L <br />390.0 <br />420.0 <br />450.0 <br />941 <br />964 <br />987 <br />ResidueNonFilterable-TSS <br />mg/L <br />38.0 <br />49.0 <br />60.0 <br />130 <br />252 <br />374 <br />SAR <br /><MDL <br /><MDLI <br /><MDL <br />8.61 <br />10.4 <br />12.3 <br />Sulfate <br />mg/L <br />40.0 <br />40.0 <br />40.0 <br />179.5 <br />199.0 <br />218.6 <br />Aluminum <br />mg/L <br />1.94 <br />2.15 <br />2.36 <br />0.19 <br />0.48 <br />0.77 <br />Arsenic <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />0.077 <br />0.092 <br />0.107 <br />Cadmium <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />0.010 <br />0.011 <br />0.012 <br />Calcium <br />mg/L <br />51.5 <br />52.5 <br />53.6 <br />24.70 <br />27.91 <br />31.11 <br />Copper <br />mg/L <br /><MDLl <br /><MDL <br /><MDL <br /><MDL <br />0.0131 <br />0.013 <br />Iron (Total) <br />mg/L <br />1.56 <br />1.90 <br />2.25 <br />0.375 <br />1.948 <br />3.520 <br />Lead <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />0.06 <br />0.06 <br />Magnesium <br />mg/L <br />19.4 <br />19.6 <br />19.8 <br />17.19 <br />18.19 <br />19.18 <br />Manganese (Total) <br />mg/L <br />0.017 <br />0.021 <br />0.024 <br />0.012 <br />0.023 <br />0.034 <br />Mercury <br />mg/L <br /><MDL <br /><MDL <br /><MDL0.0001 <br />0.0002 0.0003 <br />Molyebdenum <br />mg/L <br /><MDL <br /><MDLl <br /><MDL <br /><MDL <br />0.005 <br />0.005 <br />Selenium <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />0.005 <br />0.076 <br />0.146 <br />Sodium <br />mg/L <br />69.4 <br />78.6 <br />87.8 <br />247.8 <br />273.4 <br />299.0 <br />Zinc <br />mg/L <br />0.02 <br />0.02 <br />0.02 <br />0.02 <br />0.03 <br />0.03 <br />Baseline Information for Point S2-2 is derived from events beginning on 6/9/98 through 9/15/2001. <br />Point influenced by mining on 9/15/01. <br />Figure 34 <br />