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• <br />Bowie Resources, LLC <br />Bowie No. 1 Mine <br />2007 Annual Hydrology Report <br />SM01 <br />Monitoring Well SM-1 <br />Depth - 55' <br />Top of Pipe Elevation - 7590' <br />Pipe 2.7' Above Ground <br />Initiated 8/2/1985 8/2/1985 <br />Activated <br />Date 12/19/2007 6/20/2007 <br />C7 <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 2.1 6.2 22.0 8.74 <br />Water Elevation Feet 7568.0 7583.8 7587.9 7581.26 <br />Tern erature Celsius 6.0 9.6 14.7 8.4 <br />Conductivity umhos/cm 380 562 761 610 <br />pH su 7.2 7.7 8.3 8.3 <br />Field Comments ' <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate mg/L 202 318 380 237.63 <br />Carbonate mg/L <MDL 0.3 7 <MDL <br />Chloride mg/L <MDL 8 23 <MDL <br />Conductivity umhos/cm 560 632 724 560.45 <br />Hardness mg/L 135 251 1113 134.59 <br />H su 7.3 7.8 8.4 8.28 <br />ResidueFilterable-TDS mg/L 340 377 456 341 <br />ResidueNonFilterable-TSS mg/L <MDL 20 96 16.5 <br />SAR 1.44 1.79 3.48 2.64 <br />Sulfate mg/L 0.3 44.9 84.0 54.33 <br />Calcium (Dissolved) mg/L 13.7 65.8 186.0 13.66 <br />Magnesium (Dissolved) mg/L 9.0 21.3 158.0 24.4 <br />Sodium (Dissolved) mg/L 49.0 64.5 267.0 70.4 <br />TDS Ratio (grav./talc.) 0.85 1.00 1.17 0.85 <br />The area of concern for monitoring point SM01 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />'Contract Sampler forgot to monitor this site during June. <br />Shallow monitoring wells SM-1 through SM-11 were constructed in 1985 in order to gather additional information <br />on alluvial/colluvia/deyosits within the permit boundary. They are depicted on Map 4-1. <br />Baseline Information Collection initiated on 8/2/85 and not yet considered complete, <br />Point SM01 has not been influenced by mining. <br />Figure No. 10 <br />