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Bowie Resources Limited Bowie No. 2 Mine 2002 Annual Hydrology Report AW-9 Alluvial Well Top of Pipe Elevation - 5946 Depth - 80' Pipe 1.75' Above Ground Ground Water Initiated 10/1/1999 10/1/7999 10/1/1999 10/1/1999 Activated 10/1/1999 10/1/1999 10/1/1999 10/1/1999 Date 11/22/2002 9/25/2002 6/18/2002 2/28/2002 I • i Summary Information Field - Parameters...:. : Baseline Operation UNITS Min Ave Max Min Ave Max Static Water Level Feel 0.00 52.05 80.29 45.52 64.59 32.42 80.27 FieldComment Damp ph su 7.4 7.8 8.3 7.4 7.5 7.6 Conductivity umhos/cm 260 1064 2600 920 770 420 Temperature Celsius 10.4 12.5 14.4 11.5 12.4 13.9 Lab Parameters- :` UNITS Bicarbonate m /L 217 266 320 297 Carbonate m /L <MDL <MDL <MDL <MDL Chlodde m /L 3 29 44 43 Conductivity umhos/cm 519 1281 2270 943 Hardness m /L <MDL 237 417 294 Nitrate-Nitrite m /L 0.32 1.62 2.61 1.05 Ammonia m /L <MDL 0.03 0.10 <MDL pH su 7.4 7.8 8.1 7.8 Phosphate m /L <MDL 0.03 0.08 <MDL ResidueFilterable-TDS m /L 330 868 1720 540 Sulfate m /L 70 403 990 160 Arsenic mg/L <MDL 0.0000 0.0000 <MDL Cadmium mg/L <MDL O.000D O.D000 <MDL Calcium mglL 30.1 64,3 116.0 47.3 Iron (Dissolved} mg/L <MDL 0.02 0.03 <MDL Iron (Total) mg/L 0.07 2.33 8.00 0.07 Magnesium (Dissolved) mglL 29.1 62.3 115.0 42.7 Manganese (Dissolved) mg/L <MDL 0.002 0.006 <MDL Man anese (Total) mg/L <MDL 0.056 0.137 <MDL Mercury mglL <MDL <MDL <MDL <MDL Selenium mg/L <MDL 0.006 0.010 0.004 Sodium m /L 49.6 148.4 287.0 77.9 Zinc m /L <MDL 0.00 0.00 <MDL The area of concern for monitoring point AW-9 was aHecfed by the mining operation before its establishment Therefore, all recorded monitoring events are considered Operational. Alluvial Wells AW-7 through A W-9 are located south of Old State Highway 133, near the entrance to the mine. They were installed in 1999 as the result of PR-03. There is no Baseline Collection possible for points initiated after the influence of mining. Monitoring Point Table 110 Revised 03!04