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Bowie Resources, LLC Surface Water <br />Bowie No. 2 Mine <br />2016 Annual Hydrology Report 132-1 <br />Sheep Corral - Drainage System <br />Elevation - 6360 <br />Initiated 11/6/1998 11/6/1998 11/6/1998 <br />Activated 11/1/2003 11/1/2003 11/1/2003 <br />Date 1 10/24/2016 9/8/2016 6/24/2016 <br />Summary Information <br />Field <br />Parameters <br />UNITS <br />Baseline <br />Min Ave <br />Max <br />Operation <br />Min Ave <br />Max <br />Flow <br />GPM <br />0.00 <br />0.32 <br />4.55 <br />0.00 0.50 <br />13.60 0 0 0 <br />FieldComment <br />Dry Dry Dry <br />ph <br />su <br />7.1 <br />1 <br />7.8 <br />8.4 <br />7.4 8.1 <br />8.6 <br />Conductivity <br />umhos/cm <br />940 <br />1210 <br />1640 <br />1140 1499 <br />2000 <br />Temperature <br />Celsius <br />4.1 <br />11.1 <br />19.4 <br />5.0 16.8 <br />25.4 <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />540 <br />540 <br />540 <br />398.95 593.87 772.59 <br />Chloride <br />mg/L <br />11 <br />11 <br />11 <br /><MDL 15.41 <br />20.81 <br />Conductivity <br />umhos/cm <br />1230 <br />1230 <br />1230 <br />1173.0 1508.7 <br />1847.3 <br />Hardness <br />mg/L <br />291 <br />291 <br />291 <br />228.45 325.43 372.55 <br />Nitrate -Nitrite <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL 1.866 <br />2.730 <br />Oil and Grease <br />mg/L <br /><MDL <br /><MDLl <br /><MDL <br /><MDLl 2.060 <br />4.050 <br />pH <br />su <br />8.2 <br />8.2 <br />8.2 <br />7.8 8.4 <br />8.9 <br />Phosphate <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <MDL <br /><MDL <br />ResidueFilterable-TDS <br />mg/L <br />790 <br />790 <br />790 <br />824 1060 <br />1321 <br />ResidueNonFilterable-TSS mg/L <br /><MDL <br /><MDL <br /><MDL <br />1.0 64.9 <br />296.0 <br />SAR <br />5.3 <br />5.3 <br />5.3 <br />1.34 5.08 <br />11.30 <br />Sulfate <br />mg/L <br />190 <br />190 <br />190 <br />230.00 275.24 380.32 <br />Aluminum <br />mg/L <br />0.39 <br />0.39 <br />0.39 <br />0.057 0.377 <br />1.23 <br />Arsenic <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />0.0017 0.054 <br />0.142 <br />Cadmium <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL 0.006 <br />0.015 <br />Calcium <br />mg/L <br />49.8 <br />49.8 <br />49.8 <br />36.9 55.3 <br />66.6 <br />Copper <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL 0.284 <br />0.552 <br />Iron (Total) <br />mg/L <br />0.3 <br />0.3 <br />0.3 <br />0.10 0.49 <br />1.22 <br />Lead <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL 0.03 <br />0.05 <br />Magnesium <br />mg/L <br />40.6 <br />40.6 <br />40.6 <br />33.1 45.5 <br />57.3 <br />Manganese (Total) <br />mg/L <br />0.01 <br />0.01 <br />0.01 <br /><MDL 0.053 <br />0.084 <br />Mercury <br />mg/L <br /><MDL <br /><MDLl <br /><MDL <br /><MDLl 0.0001 <br />0.0002 <br />Molyebdenum <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL 0.003 <br />0.003 <br />Selenium <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />0.0002 0.0492 0.1680 <br />Sodium <br />mg/L <br />205 <br />205 <br />205 <br />54.8 200.81 <br />393.8 <br />Zinc <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL 0.0321 <br />0.090 <br />The D2-1 Monitoring point is at the lower extreme of Sheep Corral Gulch. It is located just below the Hubbard Creek Road, <br />just north of the Blue Ribbon Mine. <br />Baseline Information for Point D2-1 is derived from events beginning on 10/31/97 through 4/1/02. <br />Point influenced by mining on 4/1/02. <br />Figure 59 <br />