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C J <br />Bowie Resources Limited <br />Bowie No, 2 Mine <br />2002 Annual Hydrology Report <br />DH-39 <br />Stevens Draw-Drill Hole <br />Pipe Elevation - 7142.85 <br />Pipe 1.2' above ground <br />Depth -181' <br />Ground Water <br />Initiated 6/12/1995 6/12/7995 6/12/7995 6/12/1995 <br />Activated <br />Date 11/23/2002 9/25/2002 6/19/2002 4/29/2002 <br />I~ <br />I 1 <br />,_ <br />Summary Information <br /> <br />Ield <br />P..ata , .~~ <br />~i' m ;; <br />to e ~ ,, ~,: <br /> <br />b <br />Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Static Water Level Feel 64.55 72.38 192.55 70.93 70.96 70.71 70.72 <br />FieldComment <br />ph su 6.8 7.2 7.6 6.8 7 7 7 <br />Conductivity umhos/cm 1120 1305 1559 1230 1240 1220 1210 <br />Temperature Celsius 8.1 10.0 14.3 9.2 10.9 12.1 10.6 <br />(.. _. <br />....~ .e -. -. ~... ~ <br />UNITS <br />Bicarbonate mg/L 493 562 603 555 561 <br />Carbonate mg/L <MDL <MDL <MDL <MDL <MDL <br />Chloride mg/L 13 16 20 15 14 <br />Conductivity umhos/cm 1190 1293 1470 1240 1190 <br />Hardness mg/L <MDL 396 592 441 405 <br />Nitrate-Nitrate m /L 0.07 0.18 0.35 0.22 0.35 <br />Ammonia mg/L <MDL D.14 0.76 <MDL 0.76 <br />pH su 7.1 7.4 7.7 7.2 7.1 <br />Phosphate m /L <MDL 0.01 0.04 <MDL <MDL <br />ResidueFilterable-TDS mg/L 750 816 900 760 780 <br />Sulfafe mg/L 160 198 260 170 160 <br />Arsenic mg/L <MDL 0.0006 0.0050 0.001 cMDL <br />Cadmium mg/L <MDL 0.000 0.000 <MDL <MDL <br />Calcium m /L 72.9 80.6 90.8 87 90.8 <br />Iron (Dissolved) mg/L <MDL 0.21 0.52 0.52 0.46 <br />Iron (Total) m IL 0.3 15.0 34.3 20.1 18.6 <br />Magnesium (Dissolved m /L <MDL 67.1 91.0 54.3 43.3 <br />Manganese (Dissolved) mg/L <MDL 4.019 60.100 0.019 0.049 <br />Manganese (Total) mg/L 0.026 0.210 0.791 0.149 0.173 <br />Mercury mg/L <MDL 0.0004 0.0055 <MDL <MDL <br />Selenium mg/L <MDL 0.003 0.009 <MDL <MDL <br />Sodium mg/L 127 144 167 127 144 <br />Zinc m /L <MDL 0.002 0.02 <MDL <MDL <br />The area of concern for monitoring point DH-39 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />Drill Hole 39 is located in Sfevens Draw right next to Odll Hole 15. It is accessed by fhe Stevens Draw road. <br />Baseline Information Collection initiatetl on 6/12/95 and not yet considered wmplete. <br />Point DH-39 has not been influenced by mining. <br />Monitoring Point Table 92 <br />Revised 03/04 <br />