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Bowie Resources, LLC <br />Bowie No. 1 Mine <br />2009 Annual Hydrology Report <br />SM11 <br />Monitoring Well SM-11 <br />Depth - 46.5' <br />Elevation - 7242.65 <br />Ground Water <br />Initiated 8/8/1986 8/8/1986 <br />Activated <br />Date 11/29/2009 6/18/2009 <br />• <br />Summary Information <br />Field Baseline Operation <br />Parameters 1 NITS Min Ava May ' Min A,,o hfi- <br />Static Water Level Feet 30.4 36.3 87.8 37.13 36.93 <br />Water Elevation Feet 7154.9 7206.4 7212.3 7205.52 7205.72 <br />Temperature Celsius 5 10.3 20.0 8.3 9.8 <br />Conductivity umhos/cm 1400 1947 2610 2300 2300 <br />pH su 5.8 7.6 8.5 7.9 6.8 <br />Field Comments <br />Lap <br />Parameters <br />UNITS <br />Bicarbonate mg/L 207 1225 1570 1260.58 1405.33 <br />Carbonate mg/L <MDL 4 86 <MDL <MDL <br />Chloride mg/L 2.43 44 85 32.7 21.8 <br />Conductivity umhos/cm 1680 2198 2460 2315.16 2352 <br />Hardness mg/L 152.8 292 507 410.7 302.99 <br />pH su 7.4 7.9 8.8 8.22 8.1 <br />ResidueFilterable-TDS mg/L 1030 1507 1946 1939 1946 <br />ResidueNonFilterable-TSS mg/L 0.5 84 518 167 0.5 <br />SAR 0.537 11.9 19.6 0.537 9.03 <br />Sulfate mg/L <MDL 89 543 3.87 25.11 <br />Calcium (Dissolved) mg/L 5.5 45.5 83.8 52.5 46.8 <br />Magnesium (Dissolved) mg/L 6.0 42.4 73.0 67.9 45.2 <br />Sodium (Dissolved) mg/L 57 459 622 591.2 366.5 <br />TDS Ratio (grav./talc.) 0.907 0.99 1.11 0.97 1.02 <br />The area of concern for monitoring point SM11 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 alluviai/colluvia/ deposits within the permit boundary. They are depicted on Map 4-1. <br /> <br /> <br />Baseline Information Collection initiated on 8/8/86 and not yet considered complete. <br />Point SM11 has not been influenced by mining. <br />Figure No. 15