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Bowie Resources Limited <br />Bowie No. 1 Mine <br />2002 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 />Ground Water <br />Initiated 8/3/1985 8/3/1985 <br />Activated <br />Date 12/9/2002 6/26/2002 <br /> <br />I• <br />Summary Information <br />FietQ ,.~ ~ .~~~~ a ' <br />~~'"- ~ ~s ,:;~ <br />Param;zters~~T„Ir~.t...~s:. <br />~ Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Static Water Level Feet 6.2 23.2 37.3 29.86 29.09 <br />Water Elevation Feet 7482.7 7497.1 7520.0 7490.14 7490.91 <br />Temperature Celsius 6.0 9.0 19.4 8.3 10.5 <br />Conductivit umhos/cm 380 757 1327 760 760 <br />pH su 6.9 7.4 8.2 6.9 6.9 <br />Field Comments <br />Lah <br />Parameters' ~~~~ <br />UNITS <br />Bicarbonate mg/L 275 392 522 359 408 <br />Carbonate mg/L <MDL 1 15 <MDL <MDL <br />Chloride mg/L 3 20 308 6 6 <br />Conductivity umhos/cm 585 812 1020 778 758 <br />Hardness mg/L 280 425 600 395 398 <br />pH su 6.9 7.4 8.4 7 7.1 <br />ResidueFilterable-TDS mg/L 340 528 720 470 480 <br />ResidueNonFilterable-TS m /L 6 310 3485 106 26 <br />SAR 0.52 0.76 1.89 0.53 0.53 <br />Sulfate m /L 40 115 206 80 90 <br />Calcium (Dissolved) mg/L 1.9 96.1 153.0 98.3 97.1 <br />Magnesium (Dissolved) mg/L 24.0 40.3 58.0 36.3 37.8 <br />Sodium (Dissolved) mg/L 20 36 76 24.3 24.3 <br />TDS Ratio (grav./talc.) 0.60 0.97 1.08 0.6 0.96 <br />The area of concern for monitoring point SM05 has not been affected 6y 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 fo gather additional information <br />on alluvial/colluvial 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 SMOS has not been influenced by mining. <br />Monitoring Point Table 14 <br />(Revised 03/04) <br />