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Bowie Resources, LLC <br />Bowie No. 1 Mine <br />2008 Annual Hydrology Report <br />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 11/30/2008 6/24/2008 <br />Summary Information <br />Baseline Operation <br />nA;- e.,e ?Aw <br />• <br />r ? <br />?J <br />Static Water Level Feet 36.2 43.4 50.0 45.74 45.17 <br />Water Elevation Feet 7200.5 7208.0 7250.5 7204.73 7205.3 <br />Temperature Celsius 6 10.7 22.4 7.9 11.7 <br />Conductivity umhos/cm 1815 2705 4370 2300 2200 <br />pH su 6.4 7.2 11.1 7.3 11.1 <br />Field comments <br /> UNITS <br />Bicarbonate mg/L 595.98 888 1179 7 745.28 <br />Carbonate mg/L <MDL <MDL <MDL <MDL <br />Chloride mg/L 22.69 82 129 56.64 <br />Conductivity umhos/cm 1553.9 2851 3740 2320 <br />Hardness mg/L 213.3 1190 2013 481 <br />pH su 6.9 7.4 8.4 8.19 <br />Residue Filterable-TDS mg/L 1348 2336 3578 R E 1517.65 <br />-TSS <br />ResidueNonFilterable mg/L 30 1130 4590 2082.35 <br />SAR 0.45 3.76 8.62 7 1.496 <br />Sulfate mg/L 361.38 983 1679 5 <br />Calcium Dissolved) mg/L 56.64 179 341 5 56.64 <br />Magnesium (Dissolved) mg/L 8.2 182 287 5 82.46 <br />Sodium (Dissolved) mg/L 18 301 455 2 75 <br />TDS Ratio (grav./talc.) 0.90 1.00 1.12 5 0.96 <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 />Shallow monitoring wells SM-1 through SM-11 were constructed in 1985 in order to gather additional information <br />on alluviaYcolluvial deposits 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 />Ground Water <br />Figure No. 15