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Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2009 Annual Hydrology Report <br />Summary Information <br />0 <br />• <br />Deer -up <br />Canal - Deer Trail Ditch <br />Elevation - 6960 <br />Surface Water <br />Initiated <br />6/14/1995 <br />6/14/1995 <br />6/14/1995 <br />6/14/1995 <br />6/14/1995 <br />Activated <br />M 3/30/1997 <br />3/30/1997 <br />3/30/1997 <br />3/30/1997 <br />3/30/1997 <br />Date <br />N 11/23/2009 <br />9/22/2009 <br />8/20/2009 <br />6/8/20091 <br />3117/2009 <br />Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow <br />CFS <br />1 0.8 <br />2.4 <br />8.0 <br />0.2 <br />1.8 <br />4.8 <br />1.44 <br />2.01 <br />1.24 <br />1.57 <br />2.40 <br />Water Level in Flume <br />Feet <br />0.23 <br />0.44 <br />1.00 <br />0.08 <br />0.36 <br />0.72 <br />0.33 <br />0.41 <br />0.3 <br />0.35 <br />0.46 <br />FieldComment <br />ph <br />6.4 <br />8.5 <br />9.1 <br />7.4 <br />8.4 <br />9.1 <br />8.0 <br />8.4 <br />8.7 <br />8.1 <br />7.8 <br />Conductivity <br />5gmhos1t]c-m <br />70 <br />286 <br />668 <br />50 <br />188 <br />320 <br />220 <br />190 <br />280 <br />90 <br />210 <br />Temperature <br />0.8 <br />11.4 <br />20.3 <br />0.2 <br />9.9 <br />20.7 <br />1.9 <br />7.5 <br />12.7 <br />11.2 <br />4.4 <br />DO <br />0.01 <br />3.51 <br />7.7 <br />0.01 <br />8.81 <br />11.7 <br />11.11 <br />9.21 <br />81 <br />8.11 <br />9.2 <br />4f <br />µ <br />UNITS <br />Bicarbonate <br />mg /L <br />51.0 <br />73.0 <br />117.0 <br />40.2 <br />110.4 <br />144.0 <br />122.8 <br />54.63 <br />Hydroxide <br />mg /L <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />Chloride <br />mg /L <br /><MDL <br />1.67 <br />3.00 <br /><MDL <br />2.46 <br />10.90 <br />10.9 <br />2.76 <br />2.43 <br />Chromium III CrIII <br />mg /L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Chromium VI CrIV <br />mg /L <br /><MDL <br />0.01 <br />0.01 <br /><MDL <br />Cyanide, Total <br />mg /L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Conductivity <br />umhos/cm <br />100 <br />148 <br />235 <br />1001 <br />2271 <br />322 <br />271.83 <br />156.86 <br />Hardness <br />mg /L <br />42 <br />61 <br />94 <br /><MDL <br />91 <br />131 <br />99.79 <br />119.87 <br />56.98 <br />Nitrate - Nitrite <br />mg /L <br /><MDL <br />0.02 <br />0.07 <br /><MDL <br />0.25 <br />1.25 <br /><MDL <br />0.81 <br />Nitrate <br />mg /L <br /><MDL <br />0.02 <br />0.07 <br /><MDL <br />0.37 <br />2.87 <br /><MDL <br />Nitrite <br />mg /L <br /><MDL <br />0.01 <br />0.02 <br /><MDL <br />0.003 <br />0.016 <br /><MDL <br />Ammonia <br />mg /L <br /><MDL <br />0.188 <br />0.290 <br />0.29 <br />Oil and Grease <br />mg /L <br /><MDL <br />4.3 <br />5.5 <br /><MDL <br /><MDL <br />pH <br />su <br />7.6 <br />7.8 <br />8.1 <br />6.41 <br />8.01 <br />8.6 <br />7.5 <br />1 7.5 <br />7.2 <br />Phosphate <br />mg /L <br /><MDL <br />0.01 <br />0.03 <br /><MDL <br />0.01 <br />0.06 <br /><MDL <br /><MDL <br />ResidueFilterable -TDS <br />mg /L <br />50 <br />100 <br />150 <br />60 <br />162 <br />298 <br />171 <br />246 <br />85 <br />ResidueNonFilterable -TSS <br />mg /L <br /><MDL <br />25 <br />52 <br /><MDL <br />12 <br />40 <br />11 <br />7 <br />SAR <br />0.24 <br />0.37 <br />0.62 <br /><MDL <br />0.65 <br />1.61 <br />0.33 <br />1.61 <br />Sulfate <br />mg /L <br /><MDL <br />10 <br />20 <br /><MDL <br />11.6 <br />30.0 <br />20.58 <br />9.06 <br />6.17 <br />Sulfide S <br />mg /L <br /><MDL <br />0.13 <br />0.13 <br /><MDL <br />Aluminum <br />mg/L <br />0.24 <br />1.09 <br />1.77 <br /><MDLI <br />0.34 <br />2.03 <br />0.08 <br /><MDL <br />Arsenic <br />mg /L <br /><MDL <br />0.0003 <br />0.0010 <br /><MDL <br />0.0016 <br />0.0080 <br />0.0071 <br />0.00015 <br /><MDL <br />Boron <br />mg /L <br /><MDL <br />0.58 <br />0.83 <br />0.760 <br />Cadmium <br />mg /L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />0.005 <br />0.040 <br />0.006 <br /><MDL <br />0.005 <br />Calcium <br />mg /L <br />11.8 <br />17.2 <br />26.5 <br />8.29 <br />26.041 <br />39.60 <br />27.1 <br />31.3 <br />17.79 <br />Copper <br />mg /L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />0.004 <br />0.019 <br />0.006 <br />0.003 <br />0.01 <br />Iron (Dissolved) <br />mg /L <br /><MDL <br /><MDLI <br /><MDL <br /><MDL <br />0.05 <br />0.25 <br />0.01 <br />Iron (Total) <br />mg/L <br />0.38 <br />1.19 <br />1.85 <br />0.03 <br />0.41 <br />1.93 <br />0.17 <br />0.09 <br />0.21 <br />Lead <br />mg /L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />0.0105 <br />0.1000 <br />0.02 <br /><MDL <br />0.01 <br />Magnesium <br />mg /L <br />3.0 <br />4.4 <br />6.7 <br />2.5 <br />6.9 <br />12.9 <br />7.8 <br />10.1 <br />3.1 <br />Manganese (Dissolved) <br />mg /L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />0.9 <br />6.7 <br /><MDL <br />Manganese (Total) <br />mg/L <br />0.02 <br />0.03 <br />0.03 <br />0.0091 <br />0,0231 <br />0.096 <br />0.01 <br />0.013 <br />0.03 <br />Mercury <br />mg /L <br /><MDL <br />0.0001 <br />0.0002 <br /><MDL <br />0.00007 <br />0.0004 <br />0.00003 <br />0.0001 <br />0.00008 <br />Molyebdenum <br />mg /L <br /><MDL <br /><MDLl <br /><MDL <br /><MDL <br />0.0021 <br />0.011 <br />0.0004 <br /><MDL <br />Nickel <br />mg /L <br /><MDL <br />0.0107 <br />0.0120 <br />0.01 <br />Selenium <br />mg /L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />0.0018 <br />0.0170 <br />0.002 <br />0.00077 <br /><MDL <br />Silver <br />mg /L <br /><MDL <br />0.0030 <br />D.0030 <br /><MDL <br />Sodium (Total) <br />mg /L <br />3.6 <br />7.1 <br />13.8 <br />3.8 <br />17.2 <br />30.3 <br />20.1 <br />28.4 <br />Zinc <br />mg /L <br />0.01 <br />0.02 <br />0.03 <br /><MDL <br />0.01 <br />0.04 <br /><MDL <br />0.011 <br /><MDL <br />The upper end of Deer Trail Ditch is monitored at the headgate located on Hubbard Creek. This monitoring point is fitted with a <br />2' Parshall Flume. <br />Baseline Information for Point Deer -up is derived from events beginning on 6/14/95 through 3/30/97. <br />Point influenced by mining on 3/30/97. <br />Figure No. 110 <br />