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Bowie Resources, LLC <br />Bowie No. 1 Mine <br />2006 Annual Hydrology Report <br />SMOS <br />Monitoring Well SM-5 <br />Depth - 40' <br />Top of Plpe Elevation - 7520' <br />Pipe 2.5' Above Ground <br />Initiated 8/3/1985 8/3/1985 <br />Activated <br />Date 11/27/2006 6/19/2006 <br />Summary Information <br />Flel~ ~ - <br />Parameters --~ Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Static Water Level Feet 6.2 23.3 37.3 28.12 19.46 <br />Water Elevation Feet 7482.7 7497.0 7520.0 7491.88 7500.54 <br />Tem ereture Celsius 6.0 8.9 19.4 7.3 9.1 <br />Conductivity umhaslcm 380 751 1327 700 780 <br />pH su 6.9 7.4 8.2 7.5 7.3 <br />Field Comments <br />Lab <br />Parameters _ - <br />UNITS <br />Bicarbonate mg/L 128 374 522 352.9 377.83 <br />Carbonate mg/L <MDL 1 15 <MDL 0 <br />Chloride mg/L 2 16 308 <MDL 4.93 <br />Contluclivity umhos/cm 303 780 1020 680.9 883.67 <br />Hardness m /L 121 400 600 283.3 369.59 <br />H su 6.9 7.5 8.4 7.79 7.97 <br />ResidueFiltereble-TDS mg/L 190 505 720 533 612 <br />ResidueNonFil[erable-TSS mg/L <MDL 265 3485 78 52 <br />SAR 0.45 0.72 1.89 0.84 0.592 <br />SuHale m /L 10 102 206 69.45 53.1 <br />Calcium Dissolvetl m /L 1.9 92.3 153.0 68.6 101.6 <br />Magnesium (Dissolved) mg/L 11.5 37.7 58.0 27.2 33 <br />Sodium (Dissolved) mg/L 18.8 32.8 76.0 24.85 26.86 <br />TDS Ratio (grav./talc.) 0.60 0.99 1.08 0.98 1.02 <br />The area o/ concern for monioring paint SM05 has riot been affected by the mining operetion. There/ore, all recoMed <br />monitoring events an: considered Baseline. <br />Shallow monioring wells SM-1 through SM-i l were constructed in 1985 in oMer ro gather additional information <br />on alluvialrcolluvia/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 />Ground Water <br />Figure No. 18 <br />