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Bowie Resources, LLC Surface Water <br />Bowie No. 2 Mine <br />2016 Annual Hydrology Report S34-23 <br />Hubbard Creek - Spring 34-23 <br />Elevation - 6650 <br />Initiated <br />Activated <br />Date <br />6/2/1998 6/2/1998 6/2/1998 <br />1 <br />10/24/2016 9/8/2016 6/29/2016 <br />Summary Information <br />Field <br />Parameters <br />UNITS <br />Min <br />Baseline <br />Ave <br />Max <br />Operation <br />Min Ave <br />Max <br />Flow <br />GPM <br />0.0 <br />3.5 <br />75.0 <br />0.0 <br />0.1 <br />4.6 0 0 0 <br />FieldComment <br />Dry Dry Dry <br />ph <br />su <br />7.6 <br />7.8 <br />8.0 <br />8.5 <br />8.5 <br />8.5 <br />Conductivity <br />umhos/cm <br />320 <br />390 <br />460 <br />900 <br />900 <br />900 <br />Temperature <br />Celsius <br />12.1 <br />14.0 <br />15.9 <br />9.0 <br />9.0 <br />9.0 <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />249 <br />268 <br />287 <br />Chloride <br />mg/L <br />2 <br />3 <br />4 <br />Conductivity <br />umhos/cm <br />537 <br />545 <br />552 <br />Hardness <br />mg/L <br />169 <br />171 <br />173 <br />Nitrate -Nitrite <br />mg/L <br /><MDL <br />0.01 <br />0.02 <br />Oil and Grease <br />mg/L <br /><MDL <br /><MDLl <br /><MDL <br />pH <br />su <br />8.1 <br />8.3 <br />8.4 <br />Phosphate <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />ResidueFilterable-TDS <br />mg/L <br />330 <br />335 <br />340 <br />ResidueNonFilterable-TSS <br />mg/L <br /><MDL <br />11 <br />22 <br />SAR <br /><MDL <br /><MDL <br /><MDL <br />Sulfate <br />mg/L <br />30 <br />40 <br />50 <br />Aluminum <br />mg/L <br />0.32 <br />0.95 <br />1.57 <br />Arsenic <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />Cadmium <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />Calcium <br />mg/L <br />40.5 <br />41.8 <br />43.1 <br />Copper <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />Iron (Total) <br />mg/L <br />0.25 <br />0.77 <br />1.29 <br />Lead <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />Magnesium <br />mg/L <br />15.9 <br />16.1 <br />16.4 <br />Manganese (Total) <br />mg/L <br /><MDL <br />0.013 <br />0.026 <br />Mercury <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />Molyebdenum <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />Selenium <br />mg/L <br />0.001 <br />0.001 <br />0.001 <br />Sodium <br />mg/L <br />59.8 <br />61.1 <br />62.4 <br />11 <br />Zinc <br />mg/L <br /><MDLI <br />0.005 <br />0.010 <br />The monitoring point for S34-23 is located high on the northern facing slopes that forms the Dove Gulch Canyon. It is accessed on foot <br />drom the remnants of an old coal exploration road in the mouth of Dove Gulch. It in one of three springs found in this location, orginating <br />in the sandstone outcrops and discharges via sheet flow into Dove Gulch. <br />Baseline Information for Point S34-23 is derived from events beginning on 6/9/98 through 12/8/03. <br />Point influenced by mining on 12/8/03. <br />Figure 55 <br />