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Bowie Resources, LLC Surface Water <br />Bowie No. 2 Mine <br />2016 Annual Hydrology Report S-18 <br />Terror Creek - Spring 18 <br />Elevation - 7750 <br />Initiated <br />Activated <br />Date <br />6/28/1999 6/28/1999 6/28/1999 6/28/1999 <br />Min <br />11/2/2016 9/13/2016 6/21/2016 11/19/2015 <br />Summary Information <br />Field <br />Parameters <br />UNITS <br />Min <br />Baseline <br />Ave <br />Operation <br />Max Min Ave Max <br />Flow <br />GPM <br />0.00 <br />0.72 <br />5.00 <br />0.32 <br />0.11 <br />3 <br />0.2 <br />FieldComment <br />ph <br />su <br />6.7 <br />8.0 <br />10.2 <br />1 <br />8.43 <br />8.38 <br />8.5 <br />9.1 <br />Conductivity <br />umhos/cm <br />220 <br />372 <br />670 <br />413 <br />407 <br />670 <br />420 <br />Temperature <br />Celsius <br />2.9 <br />10.5 <br />17.8 <br />10.9 <br />11.1 <br />12.1 <br />4.1 <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />167.7 <br />250.6 <br />401.0 <br />401 <br />Chloride <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />3.6 <br />Conductivity <br />umhos/cm <br />331.1 <br />433.7 <br />600.0 <br />600 <br />Hardness <br />mg/L <br />115.9 <br />177.7 <br />266.0 <br />266 <br />Nitrate -Nitrite <br />mg/L <br /><MDL <br />2.13 <br />2.13 <br /><MDL <br />Oil and Grease <br />mg/L <br /><MDL <br /><MDLl <br /><MDL <br /><MDL <br />pH <br />su <br />6.52 <br />7.63 <br />8.33 <br />8.33 <br />Phosphate <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />ResidueFilterable-TDS <br />mg/L <br />117.5 <br />222.5 <br />377.0 <br />377 <br />ResidueNonFilterable-TSS <br />mg/L <br />1 <br />22 <br />64 <br />64.2 <br />SAR <br />1.35 <br />1.42 <br />1.46 <br />1.46 <br />Sulfate <br />mg/L <br />14.41 <br />20.15 <br />25.73 <br />20.3 <br />Aluminum <br />mg/L <br /><MDL <br />0.86 <br />1.59 <br />1.59 <br />Arsenic <br />mg/L <br />0.006 <br />0.008 <br />0.010 <br /><MDL <br />Cadmium <br />mg/L <br /><MDL <br />0.002 <br />0.002 <br /><MDL <br />Calcium <br />mg/L <br />30.0 <br />46.0 <br />66.8 <br />66.8 <br />Copper <br />mg/L <br /><MDL <br /><MDL <br /><MDL I <br /><MDL <br />Iron (Total) <br />mg/L <br />0.023 <br />0.944 <br />1.800 <br />1.8 <br />Lead <br />mg/L <br /><MDL <br />0.01 <br />0.01 <br /><MDL <br />Magnesium <br />mg/L <br />10.07 <br />15.37 <br />24.20 <br />24.2 <br />Manganese (Total) <br />mg/L <br /><MDL <br />0.02 <br />0.02 <br />0.0212 <br />Mercury <br />mg/L <br /><MDL 0.00004 0.00004 <br /><MDL <br />Molyebdenum <br />mg/L <br /><MDL <br /><MDLI <br /><MDL <br /><MDL <br />Selenium <br />mg/L <br /><MDL <br />0.086 <br />0.086 <br /><MDL <br />Sodium <br />mg/L <br />36.0 <br />42.7 <br />53.8 <br />53.8 <br />Zinc <br />mg/L <br />0.01 <br />0.02 <br />0.03 <br /><MDL <br />The area of concern for monitoring point S-18 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />The monitoring point for S-18 is located on an unmapped road in an un -named gulch which discharges eventually into Terror Creek. The <br />flow from S-18 contributes to Pond 6, which is just below it. <br />Baseline Information Collection initiated on 6/28/99 and not yet considered complete. <br />Point S-18 has not been influenced by mining. <br />Figure 33 <br />