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Bowie Resources, LLC <br />UNITS <br />Surface Water <br />Bowie No. 2 Mine <br />Bicarbonate <br />mg /L <br />31.1 <br />74.5 <br />115.0 <br />• 2009 Annual Hydrology Report <br />74.14 <br />TC -low <br />Chloride <br />mg /L <br /><MDL <br />1.50 <br />3.00 <br />Canal <br />- Terror Ditch <br /><MDL <br />1.56 <br />Conductivity <br />umhos /cm <br />85.0 <br />Elevation - 6520 <br />238.0 <br />203.3 <br />192.91 <br />1 nitiated <br />9/30/1996 <br />9/30/1996 <br />9/3011996 <br />9/30/1996 <br />91.0 <br />Activated A <br />I <br />I <br />Nitrate- Nitrite <br />mg /L <br /><MDL <br />0.04 <br />Date <br />M 11/10/2009 <br />9/18/2009 <br />6/10/2009 <br />4/22/2009 <br />Summary Information <br />Oil and Grease <br />mg /L <br /><MDL <br />9.2 <br />16.5 <br />Baseline <br />Operation <br /><MDL <br />f'�rarn�fer : °� UNITS <br />Min Ave <br />Max <br />Min Ave Max <br />8.4 <br />Flow CFS <br />0.00 <br />2.16 <br />7.91 <br />• pH <br />0.81 <br />4.99 <br />3.831 <br />0.57 <br />Water Level in Flume Feet <br />0.00 <br />0.32 <br />0.86 <br /><MDL <br />0.2 <br />0.64 <br />0.54 <br />0.16 <br />FieldComment <br />mg /L <br />71 <br />123 <br />281 <br />1 <br />108 <br />ph su <br />7.3 <br />8.2 <br />9.0 <br />ResidueNonFilterable -TSS <br />8.2 <br />9.0 <br />7.4 <br />7.8 <br />Conductivity umhos /cm <br />40 <br />110 <br />200 <br />150 <br />90 <br />140 <br />40 <br />Temperature Celsius <br />0.01 <br />7.61 <br />17.5 <br />1 <br />4.3 <br />15.5 <br />11.1 <br />3.2 <br />DO mq /L <br />7.1 <br />9.3 <br />11.7 <br />mg /L <br />9.7 <br />7.9 <br />8 <br />9.8 <br />• <br />Baseline Information Collection initiated on 9/30/96 and not yet considered complete. <br />Point TC -low has not been influenced by mining. <br />Figure No. 130 <br />UNITS <br />Bicarbonate <br />mg /L <br />31.1 <br />74.5 <br />115.0 <br />82.02 <br />74.14 <br />Chloride <br />mg /L <br /><MDL <br />1.50 <br />3.00 <br /><MDL <br />1.56 <br />Conductivity <br />umhos /cm <br />85.0 <br />159.2 <br />238.0 <br />203.3 <br />192.91 <br />Hardness <br />mglL <br />41.0 <br />63.9 <br />91.0 <br />68.54 <br />64.63 <br />Nitrate- Nitrite <br />mg /L <br /><MDL <br />0.04 <br />0.32 <br /><MDL <br /><MDL <br />Oil and Grease <br />mg /L <br /><MDL <br />9.2 <br />16.5 <br />16.49 <br /><MDL <br />su <br />7.0 <br />7.7 <br />8.4 <br />7.25 <br />7.01 <br />• pH <br />Phosphate <br />mg /L <br /><MDL <br />0.12 <br />0.80 <br /><MDL <br /><MDL <br />ResidueFilterable -TDS <br />mg /L <br />71 <br />123 <br />281 <br />108 <br />94 <br />ResidueNonFilterable -TSS <br />mg /L <br /><MDL <br />16 <br />98 <br /><MDL <br />4 <br />SAR <br /><MDL <br />0.50 <br />2.63 <br />0.631 <br />2.63 <br />Sulfate <br />mg /L <br /><MDL <br />29.05 <br />489.39 <br />1.45 <br /><MDL <br />Aluminum <br />mg /L <br /><MDL <br />0.85 <br />4.37 <br />0.057 <br /><MDL <br />Arsenic <br />mg /L <br /><MDL <br />0.0025 <br />0.0160 <br />0.016 <br /><MDL <br />Cadmium <br />mg /L <br /><MDL <br />0.002 <br />0.020 <br />0.0005 <br />0.009 <br />Calcium <br />mg /L <br />9.1 <br />15.8 <br />22.3 <br />13.2 <br />17.77 <br />Copper <br />mg /L <br /><MDL <br />0.003 <br />0.010 <br />0.008 <br />0.01 <br />Iron (Total) <br />mg /L <br />0.04 <br />0.69 <br />4.10 <br />0.07 <br />0.14 <br />Lead <br />mg /L <br /><MDL <br />0.0149 <br />0.2000 <br />0.03 <br />0.01 <br />Magnesium <br />mg /L <br />4.1 <br />5.9 <br />8.6 <br />8.64 <br />4.92 <br />Manganese (Total) <br />mg /L <br /><MDL <br />0.024 <br />0.077 <br /><MDL <br />0.02 <br />Mercury <br />mg /L <br /><MDL <br />0.00005 <br />0.00023 <br />0.00003 <br />0.00007 <br />Molyebdenum <br />mg /L <br /><MDL <br />0.0026 <br />0.0300 <br />0.002 <br /><MDL <br />Selenium <br />mg /L <br /><MDL <br />0.0014 <br />0.0110 <br />0.002 <br /><MDL <br />Sodium <br />mg /L <br />3.9 <br />10.5 <br />49.2 <br />12.2 <br />49.2 <br />Zinc <br />mg/L <br /><MDLI <br />0.0131 <br />0.060 <br />1 <br /><MDL <br />I <br /><MDL <br />The area of concern for monitoring point <br />TC -low has not been affected by the mining operation. <br />Therefore, all recorded <br />monitoring events are considered Base line. <br />The monitoring point location for TC -low <br />is located on Terror Ditch and found just below the headgate <br />of Terror Ditch. It is accessed from the <br />Terror Creek road by permission through locked gates. This monitoring point is referred to in the Bowie No. 1 Annual Hydrology Report as SW10. <br />• <br />Baseline Information Collection initiated on 9/30/96 and not yet considered complete. <br />Point TC -low has not been influenced by mining. <br />Figure No. 130 <br />