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Bowie Resources, LLC Ground Water <br />Bowie No. 1 Mine <br />• 2006 Annual Hydrology Report SM11 <br />Monitoring Well SM-11 <br />Depth -46.5' <br />Elevation - 7242.65 <br />Initiated 8/8/1986 8/8/1986 <br />Activated <br />Date 11/27/2008 8/19/2006 <br />Summary Information <br />Field... <br />Parameters -? Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Static Water Level Feet 30.4 38.3 87.8 36.57 36.55 <br />Water Elevation Feet 7154.9 7208.4 7212.3 7206.08 7206.1 <br />Tem erature Celsius 5 10.4 20.0 7.8 9.8 <br />Conductivity umhas/cm 1400 1920 2610 2500 2400 <br />pH su 5.8 7.6 8.5 7.8 7.8 <br />Fieltl Comments <br />Lab- .. <br />Parameters - - - - - <br />UNITS <br />Bicarbonate mg/L 207 1228 1570 1451.2 1335.91 <br />Carbonate mg/L <MDL <MDL <MDL <MDL <MDL <br />Chloride mg/L 22 48 85 22.69 87.53 <br />ContluctiviTy umhos/cm 1680 2174 2460 2112 2377.5 <br />Hardness m /L 152.8 288 507 152.8 327.83 <br />H su 7.4 7.8 8.3 8.28 7.91 <br />ResidueFilterable-TDS mg/L 1030 1454 1836 1817 1836 <br />ResitlueNOnFilterable-TSS mg/L 6 77 518 48 144 <br />SAR 5.6 12.4 18.4 15.44 11.01 <br />Sulfate m /L <MDL 101 543 49.39 23.46 <br />Calcium (Dissolvetl m /L 5.5 46.1 83.8 5.45 56.5 <br />Magnesium (Dissolvetl) mg/L 6.0 40.9 73.0 33.6 45.3 <br />Sodium (Dissolved) mg/L 182 482 822 438.75 458 <br />TDS Ratio (grav./talc.) 0.907 1.00 1.11 0.91 0.93 <br />The area of croncem for monitohng point SM11 has not been af/ecfed by the mining operebon. Therefore, all recorded <br />monitonng events are considered Baseline. <br />Shallow monitoring wells SM-1 through SM-11 were constmcted in 1985 in order to gather additional information <br />on alluvial/col/uvial deposits within the permit boundary. They are depicted on Map 4-1. <br />Baseline Intortnation Collection initiatetl on 8/8/86 antl not yet wnsitlereo complete. <br />Point SM11 has not been influenced by mining. <br />Figure No. 28 <br />