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Bowie Resources, LLC <br />Bowie No. 1 Mine <br />• 2007 Annual Hydrology Report <br />SM05 <br />Monitoring Well SM-5 <br />Depth - 40' <br />Top of Pipe Elevation - 7520' <br />Pipe 2.5' Above Ground <br />Initiated 8/3/1985 8/3/1985 <br />Activated <br />Date 12/13/2007 6/19/2007 <br /> <br /> <br />Summary Information <br />Ground Water <br />Field <br />Parameters Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Static Water Level Feet 6.2 23.3 37.3 28.23 16.39 <br />Water Elevation Feet 7482.7 7497.0 7520.0 7491.77 7503.61 <br />Tern erature Celsius 6.0 8.8 19.4 7.8 8.6 <br />Conductivity umhos/cm 380 749 1327 690 670 <br />pH su 6.9 7.4 8.2 7.5 7.5 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate mg/L 128 369 522 274.51 280 <br />Carbonate mg/L <MDL 1.3 18 18.08 <MDL <br />Chloride mg/L 2 16 308 10.9 4.53 <br />Conductivity umhos/cm 303 777 1020 729.53 707 <br />Hardness m /L 121 395 600 326.7 315.99 <br />H su 6.9 7.5 8.6 8.64 7.16 <br />ResidueFilterable-TDS mg/L 190 506 720 505.71 532 <br />ResidueNonFilterable-TSS mg/L <MDL 280 3485 854.29 60 <br />SAR 0.45 0.71 1.89 0.59 0.652 <br />Sulfate mg/L 10 99 206 61.33 65.03 <br />Calcium (Dissolved mg/L 1.9 91.3 153.0 80.7 65.2 <br />Magnesium (Dissolved) mg/L 11.5 37.5 58.0 30.4 37.2 <br />Sodium (Dissolved) mg/L 18.8 32.3 76.0 25.54 26.63 <br />TDS Ratio (grav./talc.) 0.60 1.00 1.11 1.05 1.11 <br />The area of concern for monitoring point SM05 has not been affected by the mining operation. Therefore, al! 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 alluviaUcolluvia/deyosits 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 />Figure No. 11 <br />