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• <br />Bowie Resources, LLC <br />Bowie No. 1 Mine <br />2009 Annual Hydrology Report <br />Ground Water <br />Initiated 8/3/1985 8/3/1985 <br />Activated <br />Date 11/29/2009 6/12/2009 <br />• <br />r1 <br />?J <br />Field <br />Parameters UNITS <br />SM05 <br />Monitoring Well SM-5 <br />Depth - 40' <br />Top of Pipe Elevation - 7520' <br />Pipe 2.5' Above Ground <br />Summary Information <br />Baseline Operation <br />Min Ave Max Min Ave MaY <br />Static Water Level Feet 6.2 23.2 37.3 28.24 20.06 <br />Water Elevation Feet 7482.7 7497.0 7520.0 7491.76 7499.94 <br />Temperature Celsius 6.0 8.8 19.4 7.6 8.4 <br />Conductivity umhos/cm 220 742 1327 680 710 <br />pH su 6.9 7.4 8.2 7.7 7.5 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate mg/L 127 359 522 341.5 347.71 <br />Carbonate mg/L <MDL 1.3 18 <MDL <MDL <br />Chloride mg/L 1.4 14.6 308.0 2.76 2.43 <br />Conductivity umhos/cm 279 764 1020 769.17 794.78 <br />Hardness mg/L 121 388 600 452.32 286.65 <br />pH su 6.9 7.6 8.6 8.01 8.09 <br />ResidueFilterable-TDS mg/L 190 502 720 576 564 <br />ResidueNonFilterable-TSS mg/L <MDL 259 3485 5 45 <br />SAR 0.34 0.89 8.57 8.57 0.45 <br />Sulfate mg/L 10 96 206 74.09 80.67 <br />Calcium (Dissolved) mg/L 1.9 89.6 153.0 100.5 70.6 <br />Magnesium (Dissolved) mg/L 11.4 37.2 58.0 48.9 26.8 <br />Sodium (Dissolved) mg/L 8.8 31.1 76.0 28.5 17.8 <br />TDS Ratio (grav./talc.) 0.60 1.00 1.11 0.97 1.03 <br />The area of concern for monitoring point SM05 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 8/3/85 and not yet considered complete. <br />Point SM05 has not been influenced by mining. <br />Figure No. 10