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Bowie Resources Limited <br />Bowie No. 1 Mine <br />2003 Annual Hydrology Report <br />SM04 <br />Monitoring Well SM4 <br />Depth • 65' <br />Top of Pipe Elevation - 7500' <br />Pipe 2.3' Above Ground <br />Initiated 8/19/1985 8/1911985 <br />- ~ Activated <br />Date 12119/2003 6125/2003 <br />Summary Information . <br />F`e(d <br />Parame era Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Static Water Level Feet 0.0 30.9 39.1 37.98 36.75 <br />Water Elevation Feet 7460.9 7469.1 7500.0 7462.02 7463.25 <br />Temperature Celsius 0.8 10.1 19.2 8.4 8.6 <br />Conductivity umhos/cm 1255 1828 3370 1800 1705 <br />pH su 6.8 7.3 7.8 7 6.9 <br />Field Comments <br />Paramee[a UNITS <br />Bicarbonate m /L 400 484 615 445 451 <br />Carbonate m 2 <MDL <MDL <MDL <MDL <MDL <br />Chloride m 2 18 49 88 74 73 <br />Conductivi umhos/cm 1200 1692 2710 1840 1820 <br />Hardness m /L 624 980 1695 983 1060 <br />pH su 6.9 7.4 8.2 7.5 7.3 <br />ResidueFilterable-TDS m /L 948 1349 2266 1350 1350 <br />ResidueNonFilterable-TS m /L <MDL 58 158 44 10 <br />SAR 0.76 D.91 1.32 0.87 0.84 <br />Sulfate m IL 301 602 1272 570 570 <br />Calcium (Dissolved) m !L 136.0 206.4 350.0 209 229 <br />Ma nesium (Dissolved) m /L 69.0 113.1 200.0 112 118 <br />Sotlium (Dissolved) m /L 47.9 65.5 119.0 62.4 62.7 <br />Potassium (L <MDL 0.9 2.3 2.2 2.1 <br />TDS Ratio ( rev./talc.) <MDL 0.91 1.07 1.04 1.02 <br />The area of concern /or monitoring point SM04 has not been a/lected 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 alluviaUCOlluvial deposits within the permit boundary. They are depicted on Map 4-1. <br />Ground Water <br /> <br /> <br /> <br />Baseline Inlonnation Collection initialetl on e/19/85 and not yet considered complete. <br />Point SM04 has not been influenced by mining. <br />Figure No. 20 <br />