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Bowie Resources, LLC Surface Water <br />Bowie No. 2 Mine <br />2016 Annual Hydrology Report D21-1 <br />Terror Creek - Confluence w/NFG <br />Elevation - 5760 <br />Initiated 3/23/2010 3/23/2010 3/23/2010 3/23/2010 <br />Activated <br />Date 1 10/26/2016 9/21/2016 6/28/2016 4/18/2016 <br />Summary Information <br />Field <br />Parameters <br />UNITS <br />Baseline <br />Min <br />Ave <br />Operation <br />Max Min Ave Max <br />Flow <br />CFS <br />0.02 <br />4.86 <br />46.00 <br />0.16 <br />0.2 <br />0.02 <br />FieldComment <br />ph <br />su <br />7.9 <br />8.5 <br />9.0 <br />1 <br />8.86 <br />8.52 <br />8.8 <br />8.2 <br />Conductivity <br />umhos/cm <br />90 <br />329 <br />820 <br />498 <br />409 <br />400 <br />140 <br />Temperature <br />Celsius <br />0.4 <br />10.8 <br />20.6 <br />7.9 <br />13.5 <br />18.7 <br />3 <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />45.70 <br />140.69 <br />246.00 <br />246 <br />45.7 <br /><MDL <br />Chloride <br />mg/L <br />0.6 <br />57.5 <br />188.5 <br />2 <br />0.64 <br />Conductivity <br />umhos/cm <br />84 <br />366 <br />744 <br />435 <br />83.8 <br />Hardness <br />mg/L <br />33.06 <br />159.57 <br />297.20 <br />220 <br />183 <br />50.2 <br />Nitrate -Nitrite <br />mg/L <br /><MDL <br />0.212 <br />0.570 <br /><MDL <br /><MDL <br />Oil and Grease <br />mg/L <br /><MDL <br /><MDLl <br /><MDL 11 <br /><MDLl <br /><MDL <br />pH <br />su <br />6.77 <br />7.80 <br />8.31 <br />8.27 <br />8.08 <br />Phosphate <br />mg/L <br /><MDL <br />0.088 <br />0.280 <br />0.024 <br />0.011 <br />ResidueFilterable-TDS <br />mg/L <br />66 <br />281 <br />494 <br />276 <br />66 <br />ResidueNonFilterable-TSS mg/L <br /><MDL <br />40 <br />302 <br /><MDL <br /><MDL <br />SAR <br />0.38 <br />0.87 <br />1.70 <br />0.629 <br />0.428 <br />0.418 <br />Sulfate <br />mg/L <br />1.23 <br />33.37 <br />72.03 <br />42 <br />7.1 <br />Aluminum (TREC) <br />mg/L <br />0.008 <br />0.439 <br />1.750 <br />0.195 <br /><MDL <br />1.75 <br />Arsenic (TREC) <br />mg/L <br />0.001 <br />0.017 <br />0.060 <br /><MDL <br /><MDL <br /><MDL <br />Cadmium (TREC) <br />mg/L <br />0.002 <br />0.006 <br />0.020 <br /><MDL <br /><MDL <br /><MDL <br />Calcium (TREC) <br />mg/L <br />6.05 <br />33.78 <br />67.30 <br />41 <br />45.9 <br />13.5 <br />Copper (TREC) <br />mg/L <br />0.002 <br />0.007 <br />0.017 <br /><MDLl <br /><MDL <br /><MDL <br />Iron (TREC) <br />mg/L <br />0.06 <br />0.53 <br />3.34 <br />0.408 <br />0.267 <br />1.44 <br />Lead (TREC) <br />mg/L <br />0.00 <br />0.01 <br />0.05 <br /><MDL <br /><MDL <br /><MDL <br />Magnesium (TREC) <br />mg/L <br />4.36 <br />18.34 <br />44.40 <br />28.6 <br />16.5 <br />5.22 <br />Manganese (TREC) <br />mg/L <br /><MDL <br />0.026 <br />0.076 <br />0.0386 <br />0.0133 <br />0.0258 <br />Mercury (TREC) <br />mg/L <br />0.00001 <br />0.00006 0.00012 <br /><MDL <br /><MDL <br /><MDL <br />Molyebdenum (TREC) <br />mg/L <br />0.000 <br />0.003 <br />0.008 1 <br /><MDLI <br /><MDL <br /><MDL <br />Selenium (TREC) <br />mg/L <br /><MDL 0.01014 0.03600 <br /><MDL <br /><MDL <br /><MDL <br />Sodium (TREC) <br />mg/L <br />6.18 <br />25.03 <br />67.50 <br />20.21 <br />13.4 <br />6.18 <br />Zinc (TREC) <br />mg/L <br />0.0031 <br />0.025 <br />0.110 <br /><MDLI <br />I <br /><MDLl <br /><MDL <br />The area of concern for monitoring point D21-1 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />The D21-1 Monitoring point is at downstream Terror Creek -Confluence w/NFG. <br />Flow values are taken from the USGS discharge information for station #09132995. <br />Baseline Information Collection initiated 3/23/10 and not yet considered complete. <br />Point D21-1 has not been influence by mining. <br />Figure 60 <br />