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Bowie Resources, LLC Ground Water <br />Bowie No.1 Mine <br />2007 Annual Hydrology Report SM10 <br />Monitoring Well SM-10 <br />Depth - 48.7' <br />Elevation - 7250.47 <br />Initiated 8!8/1986 8/8/1986 <br />Activated <br />Date 12/13/2007 6/19/2007 <br />Summary Information <br />• <br />• <br />Field <br />Parameters Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Static Water Level Feet 36.2 43.3 50.0 46.13 45.78 <br />Water Elevation Feet 7200.5 7208.1 7250.5 7204.34 7204.69 <br />Tern erature Celsius 6 10.7 22.4 12.5 <br />Conductivity umhos/cm 1815 2715 4370 2100 <br />pH su 6.4 7.1 8.7 7.3 <br />Field Comments " <br />lab <br />Parameters <br />UNITS <br />Bicarbonate mg/L 595.98 897 1179 595.98 <br />Carbonate mg/L <MDL <MDL <MDL <MDL <br />Chloride mg/L 22.69 85 129 34.03 <br />Conductivity umhos/cm 1553.9 2890 3740 1931 <br />Hardness mg/L 213.3 1216 2013 213.3 <br />H su 6.9 7.3 8.4 7.13 <br />ResidueFilterable-TDS mg/L 1348 2379 3578 1366 <br />ResidueNonFilterable-TSS mg/L 30 1045 4590 1368 <br />SAR 0.45 3.88 8.62 8.616 <br />Sulfate mg/L 361.38 1010 1679 525.2 <br />Calcium Dissolved) m /L 71.9 185 341 71.9 <br />Magnesium (Dissolved) mg/L 8.2 184 287 8.2 <br />Sodium (Dissolved) mg/L 18 311 455 289.2 <br />TDS Ratio (grav./talc.) 0.9 1.00 1.12 0.9 <br />The area of concern for monitoring point SM10 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />"Not enough water for field parameters or sample <br />Shallow monitoring wells SM-1 through SM-11 were constructed in 1985 in order to gather additional information <br />on alluvial/colluvialdeyosits within the permit boundary. They are depicted on Map 4-1. <br />Baseline Information Collection initiated on 8/8/86 and not yet considered complete. <br />Point SM10 has not been influenced by mining. <br />Figure No. 15 <br />