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Bowie Resources, LLC Surface Water <br />Bowie No. 2 Mine <br />2016 Annual Hydrology Report SP5-1 <br />Terror Creek - Pond Spring 5-1 <br />Elevation - 7400 <br />Initiated <br />Activated <br />Date <br />7/18/1985 <br />7/18/1985 <br />7/18/1985 <br />3/31/2015 3/31/2015 <br />1 <br />3/31/2015 <br />11/8/20161 9/9/2016 <br />6/21/2016 <br />Summary Information <br />Field <br />Parameters <br />UNITS <br />Min <br />Baseline <br />Ave <br />Max <br />Min <br />Operation <br />Ave <br />Max <br />Outflow <br />GPM <br />0.00 <br />0.94 <br />7.36 <br />0.47 <br />0.47 <br />0.47 <br />Seep <br />Damp <br />0.47 <br />Inflow <br />GPM <br />0.00 <br />0.00 <br />0.00 <br />0.16 <br />0.55 <br />0.94 <br />Seep <br />0.16 <br />0.94 <br />Freeboard <br />Feet <br />0.00 <br />0.00 <br />0.00 <br />0.00 <br />0.00 <br />0.00 <br />Temperature <br />Celsius <br />4.1 <br />12.8 <br />23.2 <br />8.80 <br />12.40 <br />16.20 <br />8.8 <br />12.2 <br />16.2 <br />Conductivity <br />umhos/cm <br />490 <br />672 <br />804 <br />750.00 <br />778.00 <br />799.00 <br />799 <br />785 <br />750 <br />pH <br />su <br />7.31 <br />8.21 <br />9.0 <br />8.041 <br />8.211 <br />8.40 <br />8.041 <br />8.191 <br />8.4 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />256.0 <br />383.5 <br />441.6 <br />482.00 <br />482.00 <br />482.00 <br />482 <br />Carbonate <br />mg/L <br />16.0 <br />16.0 <br />16.0 <br />0.00 <br />0.00 <br />0.00 <br />Chloride <br />mg/L <br />2.0 <br />6.4 <br />10.0 <br />3.90 <br />4.15 <br />4.40 <br />3.9 <br />4.4 <br />Conductivity <br />umhos/cm <br />552.0 <br />656.8 <br />974.0 <br />692.00 <br />696.00 <br />700.00 <br />692 <br />700 <br />Hardness <br />mg/L <br />182.0 <br />250.8 <br />287.0 <br />249.00 <br />252.50 <br />256.00 <br />256 <br />249 <br />Acidity <br />mg/L <br />14.0 <br />14.01 <br />14.0 <br />-410.00 <br />-395.00 <br />-380.00 <br />1 <br />-380 <br />-410 <br />pH <br />su <br />6.4 <br />7.9 <br />8.7 <br />7.58 <br />7.82 <br />8.05 <br />7.58 <br />8.05 <br />ResidueFilterable-TDS <br />mg/L <br />320.0 <br />374.9 <br />451.0 <br />443.00 <br />450.00 <br />457.00 <br />443 <br />457 <br />ResidueNonFilterable-TSS mg/L <br />2.0 <br />128.0 <br />742.0 <br />91.30 <br />91.30 <br />91.30 <br /><MDL <br />91.3 <br />SAR <br />1.2 <br />1.7 <br />2.5 <br />2.43 <br />2.48 <br />2.52 <br />2.52 <br />2.43 <br />Sulfate <br />mg/L <br />16.0 <br />34.3 <br />70.0 <br />16.90 <br />17.65 <br />18.40 <br />16.91 <br />18.4 <br />Calcium (Dissolved) <br />mg/L <br />30.0 <br />57.81 <br />69.0 <br />0.001 <br />0.00 <br />0.00 <br />Magnesium (Total) <br />mg/L <br />18.0 <br />25.9 <br />28.0 <br />23.90 <br />23.90 <br />23.90 <br />23.9 <br />23.9 <br />Sodium (Dissolved) <br />mg/L <br />43.0 <br />61.0 <br />76.0 <br />0.00 <br />0.00 <br />0.00 <br />Iron (Total) <br />mg/L <br />0.4 <br />0.4 <br />0.4 <br />0.25 <br />0.41 <br />0.57 <br />0.246 <br />0.565 <br />Iron (Dissolved) <br />mg/L <br />0.1 <br />0.1 <br />0.1 <br />0.02 <br />0.04 <br />0.05 <br />1 <br />0.0543 <br />0.0169 <br />Manganese (Total) <br />mg/L <br />0.06 <br />0.06 <br />0.06 <br />0.05 <br />0.10 <br />0.16 <br />1 <br />0.0475 <br />0.156 <br />The area of concern for monitoring point SP5-1 was affected by the mining operation on or about March 31, 2015. <br />Negative value of acidity indicates alkalinity <br />Baseline Information Collection initiated on 7/18/85 and completed on March 31, 2015. <br />Point SP5-1 has been influenced by mining. <br />Figure 1 <br />