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• <br />Bowie Resources, LLC <br />Bowie No. 1 Mine <br />2009 Annual Hydrology Report <br />SM01 <br />Monitoring Well SM-1 <br />Depth - 55' <br />Top of Pipe Elevation - 7590' <br />Pipe 2.7' Above Ground <br />Ground Water <br />Initiated 8/2/1985 8/2/1985 <br />Activated <br />Date 11/28/2009 6/18/2009 <br />• <br />• <br />Summary Information <br />Field <br />Parameters Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Static Water Level Feet 2.1 6.2 22.0 9.46 3.49 <br />Water Elevation Feet 7583.8 7587.9 7580.54 7586.51 <br />Temperature Celsiu V 9.6 14.7 8.7 8.7 <br />Conductivity umhos 563 761 600 570 <br />pH su 7.7 8.3 8 7.4 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate mg/L 202 314 380 283.66 299.34 <br />Carbonate mg/L <MDL 0.3 7 <MDL <MDL <br />Chloride mg/L <MDL 7 23 2.33 2.43 <br />Conductivity umhos/cm 560 633 724 644.93 681.8 <br />Hardness mg/L 135 250 1113 230.36 227.34 <br />pH su 7.3 7.8 8.4 8.12 7.78 <br />Residue Filterable-TDS mg/L 340 385 494 463 494 <br />ResidueNonFilterable-TSS mg/L <MDL 18 96 12 2 <br />TAR 1.34 2.06 12.40 12.4 1.34 <br />Sulfate mg/L 0.3 43.9 84.0 42.39 32.1 <br />Calcium (Dissolved) mg/L 13.7 65.7 186.0 62.9 64 <br />Magnesium (Dissolved) mg/L 9.0 20.9 158.0 17.8 16.4 <br />Sodium (Dissolved) mg/L 47.2 63.9 267.0 60.4 47.2 <br />TDS Ratio (grav./calc.) 0.85 1.01 1.17 0.99 1.07 <br />The area of concern for monitoring point SM01 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />Shallow monitoring wells SM-1 through SM-11 were constructed in 1985 in order to gather additional information <br />on alluvial/colluvial deposits within the permit boundary. They are depicted on Map 4-1. <br />Baseline Information Collection initiated on 8/2/85 and not yet considered complete. <br />Point SM01 has not been influenced by mining. <br />Figure No. 9