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Bowie Resources, LLC <br />Bicarbonate <br />mg /L <br />Surface Water <br />Bowie No. 2 Mine <br />1 225 <br />5241 <br />1240 <br />Chloride <br />• 2009 Annual Hydrology Report <br />C- Gulch -lo <br />54 <br />137 <br />295 <br />Drainage System <br />Conductivity <br />umhos /cm <br />Elevation - 5960 <br />4569 <br />9300 <br />Hardness <br />mg /L <br />Initiated N <br />2/28/1995 <br />2/28/1995 <br />2/28/1995 <br />2/28/1995 <br />5680 <br />Activated <br />3/30/1997 <br />3/30/1997 <br />3/30/1997 <br />3/30/1997 <br />Date M <br />9/29/2009 <br />9/22/2009 <br />6/15/2009 <br />3/9/2009 <br />Summary Information <br /><MDL <br />70.83 <br />e( Baseline <br />Operation <br />H <br />su <br />HIS _ UNITS Min Ave Max <br />Min Ave Max <br />8.1 <br />8.8 <br />Phosphate <br />Flow GPM 0 0 0 <br />0.0 11.4 240.On <br />0 <br />0 <br />0 <br />7.5 <br />FieldComment <br />Trickle <br />Trickle <br />Trickle <br />h su <br />6.5 7.8 9.1 <br />4465 <br />3079 <br />9750 <br />33266 <br />7.2 <br />Conductivity umhos /cm <br />550 4176 10400 <br /><MDL <br />3300 <br />Temperature Celsius <br />0.2 11.2 21.4 <br />Sulfate <br />mg /L <br />5.6 <br />UNITS <br />144 <br />2453 <br />6460 <br />Aluminum <br />The Lower C Gulch monitoring point is just above Sediment Pond C. All C Gulch flow is contained in Pond C. This point exhibited no flows <br />before the construction of the mine. The mine construction and now the mine operation provide now to this point. <br />Baseline Information for C- Gulch -lo is derived from events beginning on 2/28/95 through 3/30/97. <br />Point influenced by mining on 3/30/97. <br />Figure No. 92 <br />Bicarbonate <br />mg /L <br />1 225 <br />5241 <br />1240 <br />Chloride <br />mg /L <br />54 <br />137 <br />295 <br />Conductivity <br />umhos /cm <br />1120 <br />4569 <br />9300 <br />Hardness <br />mg /L <br /><MDL <br />2288 <br />5680 <br />Nitrate - Nitrite <br />mg /L <br /><MDL <br />4.73 <br />16.70 <br />Oil & Grease <br />mg /L <br /><MDL <br />70.83 <br />239.00 <br />H <br />su <br />7.5 <br />8.1 <br />8.8 <br />Phosphate <br />mg /L <br /><MDL <br />1.98 <br />15.48 <br />ResidueFilterable -TDS <br />ResidueNonFilterable -TSS <br />mg /L <br />mg /L <br />720 <br /><MDL <br />4465 <br />3079 <br />9750 <br />33266 <br />SAR <br /><MDL <br />5.05 <br />10.30 <br />Sulfate <br />mg /L <br />144 <br />2453 <br />6460 <br />Aluminum <br />mg /L <br /><MDL <br />16.32 <br />88.30 <br />Arsenic <br />mg /L <br /><MDL <br />0.011 <br />0.070 <br />Cadmium <br />mg /L <br /><MDL <br />0.004 <br />0.040 <br />Calcium <br />mg /L <br />61 <br />415 <br />1210 <br />Copper <br />mg /L <br /><MDL <br />0.028 <br />0.160 <br />Iron (Total) <br />mg /L <br />0.071 <br />22.48 <br />102.00 <br />Lead <br />mg /L <br /><MDL <br />0.0735 <br />0.3860 <br />Magnesium <br />mg /L <br />40 <br />324 <br />770 <br />Manganese (Total) <br />m /L <br /><MDL <br />1.08 <br />7.03 <br />Mercury <br />mg /L <br /><MDL <br />0.00004 <br />0.00020 <br />Molyebdenum <br />mg /L <br /><MDL <br />0.004 <br />0.026 <br />Selenium <br />mg /L <br />0.001 <br />0.029 <br />0.187 <br />Sodium <br />mg /L <br />I <br />1 <br />1 1511 <br />675 <br />1750 <br />Zinc <br />ma /L <br />I <br />I <br />I <br />I <MDLI <br />0.43 <br />2.97 <br />The Lower C Gulch monitoring point is just above Sediment Pond C. All C Gulch flow is contained in Pond C. This point exhibited no flows <br />before the construction of the mine. The mine construction and now the mine operation provide now to this point. <br />Baseline Information for C- Gulch -lo is derived from events beginning on 2/28/95 through 3/30/97. <br />Point influenced by mining on 3/30/97. <br />Figure No. 92 <br />