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Bowie Resources Limited <br />Bowie No. 1 Mine <br />2002 Annual Hydrology Report <br />SM10 <br />Monitoring Well SM-10 <br />Depth - 48.7' <br />Elevation - 7250.47 <br />Ground Water <br />Initiated 8/8/1986 8/8/1986 <br />Activated <br />Date 12/9/2002 6/26/2002 <br />Summary Information <br />~J <br /> <br />t;ieW h , ~, F ,.; <br />P.arametere ° , ... ". <br />~~ Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Static Water Level Feet 36.2 43.1 50.0 46.42 46.43 <br />Water Elevation Feel 7200.5 7208.4 7250.5 7204.05 7204.04 <br />Temperature Celsius 6 10.8 22.4 8.5 11.4 <br />Condudiviry umhos/cm 1815 2776 4370 2300 2200 <br />pH su 6.4 7.1 8.7 7.1 6.9 <br />Field Comments " <br />I.ab , ., <br />Parameters '.i <br />UNITS <br />Bicarbonate m /L 726 933 1179 760 <br />Carbonate mg/L 0 0 0 <MDL <br />Chloride mg/L 41 92 129 55 <br />Conductivi umhos/cm 1920 3041 3740 2280 <br />Hardness m /L 298 1324 2013 840 <br />pH su 6.9 7.2 7.7 7 <br />ResidueFilterable-TDS mg/L 1445 2528 3578 1580 <br />ResidueNonFilterable-TS mg/L 30 1039 4590 4590 <br />SAR 0.45 3.65 4.97 3.43 <br />Sulfate mg/L 451 1102 1679 560 <br />Calcium (Dissolved) m /L 83 201 341 129 <br />Magnesium (Dissolved) mg/L 22 201 287 126 <br />Sodium (Dissolved) m /L 18 321 455 226 <br />TDS Ratio (grav./talc.) 0.99 1.03 1.12 1.02 <br />The area of concern for monitoring point SM10 has not been af/ecfed by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />" Not enough water to get bottled sample. <br />Shallow monitoring wells SM-1 through SM-11 were constructed in 1985 in order to gather additional information <br />on alluvial/colluvial deposits within the permit boundary. They are depicted on Map 4-1. <br />Baseline Intonnation Collection initiated on 8/8/86 and not yet considered wmplete. <br />Point SM10 has not been influenced by mining. <br />Monitoring Point Table 18 <br />(Revised 03/04) <br />