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Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2016 Annual Hydrology Report <br />Surface Water <br />SP23 <br />Stevens Gulch - Pond Spring 23 <br />Elevation - 8300 <br />Initiated <br />Activated <br />Date <br />8/22/1983 <br />8/22/1983 <br />8/22/1983 <br />8/22/1983 <br />7/15/2014 7/15/2014 7/15/2014 <br />1 <br />7/15/2014 <br />11/10/2016 9/16/2016 6/21/2016 <br />5/24/2016 <br />Summary Information <br />Field <br />Parameters <br />UNITS <br />Min <br />Baseline <br />Ave <br />Max <br />Operation <br />Min Ave Max <br />Outflow <br />GPM <br />0.00 <br />1.05 <br />9.29 <br />0.00 0.68 <br />0.00 <br />Damp <br />0.68 <br />Inflow <br />GPM <br />0.00 <br />Seep Seep <br />0.75 <br />Freeboard <br />Feet <br />0.00 <br />0.02 <br />0.28 <br />0.00 0.31 2.20 <br />2.2 <br />"" "" <br />0 <br />Temperature <br />Celsius <br />-0.10 <br />10.07 <br />21.70 <br />3.50 9.15 15.10 <br />3.5 <br />15.1 <br />5.8 <br />Conductivity <br />umhos/cm <br />220.00 <br />403.91 <br />891.00 <br />220 378 521 <br />359 <br />521 <br />220 <br />pH <br />su <br />6.801 <br />7.421 <br />9.60 <br />6.91 7.41 9.4 <br />7.321 <br />7.21 1 <br />7.3 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />91.9 <br />254.6 <br />424.6 <br />Chloride <br />mg/L <br /><MDL <br />5.15 <br />17.37 <br />Conductivity <br />umhos/cm <br />236 <br />424 <br />670 <br />Hardness <br />mg/L <br />105.00 <br />209.37 <br />322.00 <br />Nitrate -Nitrite <br />mg/L <br />0.11 <br />0.11 <br />0.11 <br />Oil and Grease <br />mg/L <br /><MDL <br /><MDLI <br /><MDL <br />pH <br />su <br />6.4 <br />7.3 <br />8.4 <br />Phosphate <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br />ResidueFilterable-TDS <br />mg/L <br />156 <br />270 <br />380 <br />ResidueNonFilterable-TSS mg/L <br />2 <br />61 <br />216 <br />SAR <br />0.120 <br />0.437 <br />1.010 <br />Sulfate <br />mg/L <br /><MDL <br />10.081 <br />43.00 <br />Aluminum (TREC) <br />mg/L <br />0.0210 <br />0.0210 <br />0.0210 <br />Arsenic (TREC) <br />mg/L <br />0.0200 <br />0.0200 <br />0.0200 <br />Cadmium (TREC) <br />mg/L <br />0.0100 <br />0.0100 <br />0.0100 <br />Calcium (TREC) <br />mg/L <br />41.300 <br />41.300 <br />41.300 <br />Copper (TREC) <br />mg/L <br />0.003 <br />0.003 <br />0.003 <br />Iron (TREC) <br />mg/L <br />0.15 <br />0.541 <br />1.15 <br />Lead (TREC) <br />mg/L <br />0.05 <br />0.05 <br />0.05 <br />Magnesium (TREC) <br />mg/L <br />11.0 <br />23.4 <br />38.0 <br />Manganese (TREC) <br />mg/L <br />0.010 <br />0.067 <br />0.110 <br />Mercury (TREC) <br />mg/L <br />0.00008 0.00008 0.00008 <br />Molybdenum (TREC) <br />mg/L <br />0.0030 <br />0.0030 <br />0.0030 <br />Selenium (TREC) <br />mg/L <br />0.01801 <br />0.01801 <br />0.0180 <br />Sodium (TREC) <br />mg/L <br />15.78 <br />15.781 <br />15.78 <br />Zinc (TREC) <br />mg/L <br />0.010 <br />0.0101 <br />0.010 <br />`Multiple Seeps Inflow - Unmeasurable <br />" No data provided in field notes <br />Activated 7/15/2014 <br />Baseline Information Collection initiated on 8/22/83. <br />Point SP23 was influenced by mining 7/15/2014. <br />Figure 11 <br />