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Bowie Resources, LLC Surface Water <br />Bowie No. 2 Mine <br />2012 Annual Hydrology Report S2-7 <br />Hubbard Creek - Spring 2 -7 <br />Elevation - 6660 <br />Initiated <br />Activated <br />Date <br />6/10/1998 <br />6/10/1998 <br />6/10/1998 <br />6/10/1998 <br />9/24/1999 <br />9/24/1999 <br />1 9/24/1999 <br />9/24/1999 <br />11/14/2012 <br />9/22/2012 <br />7/6/2012 <br />5/24/2012 <br />Summary Information <br />Field <br />Parameters <br />Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow <br />GPM <br />1 0.00 <br />5.43 <br />37.50 <br />0.0 <br />0.84 <br />6.70 <br />FieldComment <br />ph <br />su <br />7.7 <br />7.9 <br />8.1 <br />7.0 <br />7.7 <br />8.2 <br />Conductivity <br />umhos /cm <br />550 <br />550 <br />550 <br />1200 <br />1350 <br />1430 <br />Temperature <br />Celsius <br />6.1 <br />8.5 <br />11.0 <br />5.1 <br />15.0 <br />24.1 <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg /L <br />333 <br />333 <br />333 <br />442.98 <br />501.66 <br />560.34 <br />Chloride <br />mg /L <br />4 <br />4 <br />4 <br /><MDL <br /><MDL <br /><MDL <br />Conductivity <br />umhos /cm <br />681 <br />681 <br />681 <br />1128 <br />1147 <br />1166 <br />Hardness <br />mg /L <br />242 <br />242 <br />242 <br />371.31 <br />403.17 <br />435.03 <br />Nitrate - Nitrite <br />mg /L <br />0.02 <br />0.02 <br />0.02 <br />2.48 <br />2.48 <br />2.48 <br />Oil and Grease <br />mg /L <br />2.0 <br />2.01 <br />2.0 <br /><MDL <br /><MDLI <br /><MDL <br />pH <br />su <br />8.2 <br />8.2 <br />8.2 <br />7.5 <br />7.6 <br />7.7 <br />Phosphate <br />mg /L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />ResidueFilterable -TDS <br />mg /L <br />380 <br />380 <br />380 <br />883 <br />929 <br />974 <br />ResidueNonFilterable -TSS <br />mg /L <br />14 <br />14 <br />14 <br />10 <br />52 <br />94 <br />SAR <br /><MDL <br /><MDL <br /><MDL <br />2.431 <br />4.25 <br />6.07 <br />Sulfate <br />mg /L <br />50 <br />501 <br />50 <br />207.861 <br />214.65 <br />221.44 <br />Aluminum <br />mg /L <br />0.4 <br />0.4 <br />0.4 <br />0.12 <br />0.20 <br />0.27 <br />Arsenic <br />mg /L <br /><MDL <br /><MDL <br /><MDL <br />0.0050 <br />0.0132 <br />0.0213 <br />Cadmium <br />mg /L <br /><MDL <br /><MDL <br /><MDL <br />0.010 <br />0.013 <br />0.015 <br />Calcium <br />mg /L <br />55.9 <br />55.9 <br />55.9 <br />73.5 <br />74.6 <br />75.6 <br />Copper <br />mg /L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />0.04 <br />0.04 <br />Iron (Total) <br />mg /L <br />0.31 <br />0.311 <br />0.31 <br />0.451 <br />0.47 <br />0.49 <br />Lead <br />mg /L <br /><MDL <br /><MDL <br /><MDL <br />0.01 <br />0.03 <br />0.04 <br />Magnesium <br />mg /L <br />24.8 <br />24.8 <br />24.8 <br />45.6 <br />52.7 <br />59.8 <br />Manganese (Total) <br />mg /L <br /><MDL <br /><MDL <br /><MDL <br />0.595 <br />0.878 <br />1.160 <br />Mercury <br />mg /L <br /><MDL <br /><MDL <br /><MDL <br />0.00002 <br />0.00011 <br />0.00019 <br />Molyebdenum <br />mg /L <br /><MDL <br /><MDL <br /><MDL <br />0.05 <br />0.05 <br />0.05 <br />Selenium <br />mg /L <br />0.001 <br />0.001 <br />0.001 <br />0.00301 <br />0.0069 <br />0.0109 <br />Sodium <br />mg /L <br />64.6 <br />64.6 <br />64.6 <br />1081 <br />200 <br />291 <br />Zinc <br />mg /L <br /><MDL <br /><MDL <br />I <MDL <br />0.011 <br />0.04 <br />0.08 <br />Influenced by the disturbance of Freeman Gulch <br />The monitoring point for S2 -7 is located along the upper edge of the Freeman Gulch road as it originates from the Hubbard Creek road. It's flow <br />originates from the exposed sandstone outcrop located high above the Hubbard Creek Canyon along the north facing slope of Freeman Gulch. <br />*Site was inaccessible due to a slide <br />Baseline information for Point S2 -7 is derived from events beginning on 6/10/98 through 9/24/99. <br />Point influenced by mining on 9/24/99. <br />Figure No. 57 <br />