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Bowie Resources, LLC Surface Water <br />Bowie No. 2 Mine <br />2016 Annual Hydrology Report S-10 <br />Stevens Draw - Spring 10 <br />Elevation - 7550 <br />Initiated <br />Activated <br />Date <br />7/12/1995 <br />7/12/1995 <br />7/12/1995 <br />7/12/1995 <br />11/1/2002 11/1/2002 11/1/2002 <br />1 <br />11/1/2002 <br />10/28/2016 9/12/2016 6/21/2016 <br />5/31/2016 <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 />0.17 <br />2.50 0.00 0.00 0.00 0 0 0 0 <br />FieldComment <br />Dry Dry Dry No Flow <br />ph <br />su <br />8.40 <br />8.50 <br />8.60 <br />1 1 <br />Conductivity <br />umhos/cm <br />620 <br />640 <br />660 <br />Temperature <br />Celsius <br />19.80 <br />21.10 <br />22.40 <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />Chloride <br />mg/L <br />Conductivity <br />umhos/cm <br />Hardness <br />mg/L <br />Nitrate -Nitrite <br />mg/L <br />Oil and Grease <br />mg/L <br />pH <br />su <br />Phosphate <br />mg/L <br />ResidueFilterable-TDS <br />mg/L <br />ResidueNonFilterable-TSS <br />mg/L <br />SAR <br />Sulfate <br />mg/L <br />Aluminum <br />mg/L <br />Arsenic <br />mg/L <br />Cadmium <br />mg/L <br />Calcium <br />mg/L <br />Copper <br />mg/L <br />Iron (Total) <br />mg/L <br />Lead <br />mg/L <br />Magnesium <br />mg/L <br />Manganese (Total) <br />mg/L <br />Mercury <br />mg/L <br />Molyebdenum <br />mg/L <br />Selenium <br />mg/L <br />Sodium <br />mg/L <br />Zinc <br />mg/L <br />The monitoring point for S-10 is located along the Stevens Draw road and is located on the lower side of the road. <br />Baseline Information for Point S-10 is derived from events beginning on 7/12/95 through 11/1/02. <br />Point influenced by mining on 11/1/02. <br />Figure 25 <br />