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I Bowie Resources Limited Bowie No. 2 Mine 2002 Annual Hydrology Report AW-2 Alluvial Well Top of Pipe Elevation - 5966.62' Depth - 50.4' Pipe 1.32' Above Ground Ground Water Initiated 11/23/1996 11/23/1996 11/23/1996 11/23/1996 Activated 3/27/1997 3/27/1997 3/27/1997 3/27/1997 Date 11/23/2002 9/25/2002 6/18/2002 2/28/2002 f1 !I u Summary Information Field "" Parameters" Baseline Operation UNITS Min Ave Maz Min Ave Maz Static Water Level Feet 50.35 50.65 50.81 40.48 50.02 51.76 40.48 49.06 48.92 49.45 FieldComment ph su 6.9 6.9 7.1 6.9 6.9 6.9 6.9 Conductivity umhos/cm 1200 3450 9300 4300 1240 1200 1210 Temperature Celsius 12.2 15.3 18.4 13.0 14.6 18.4 12.2 lati Parameters: ." " UNITS Bicarbonate mg/L 906 906 906 906 Carbonate mg/L <MDL <MDL <MDL <MDL Chloride mg/L 184 184 184 184 Conductivity umhos/cm 4030 4030 4030 4030 Hardness mg/L 1070 1070 1070 1070 Nitrate-Nitrite mg/L 3.52 3.52 3.52 3.52 Ammonia mg/L <MDL <MDL <MDL <MDL pH su 7.2 7.2 7.2 7.2 Phosphate m /L 0.06 0.06 0.06 0.06 ResidueFilterable-TDS m IL 3230 3230 3230 3230 Sulfate m /L 1470 1470 1470 1470 Arsenic mg/L <MDL <MDL <MDL <MDL Cadmium mg/L <MDL <MDL <MDL <MOL Calcium mg/L 148 148 148 148 Iron (Dissolved) mg/L 0.06 0.06 0.06 0.06 Iron (Total) m /L 0.41 0.41 0.41 0.41 Ma nesium mg/L 170 170 170 170 Manganese (Dissolved) mg/L <MDL <MDL <MDL <MDL Manganese (Total) mg/L 0.02 0.02 0.02 0.02 Mercury mg/L <MDL <MDL <MDL <MDL Selenium mg/L 0.15 0.15 0.15 0.15 Sodium mg/L 329 329 329 329 Zinc m /L <MDL <MDL <MDL <MDL Alluvial Wells AW-1 through A W-6 are located north of Old Slate Highway 133, near the entrance to the mine. Baseline Information far Point AW-2 is derived from events beginning on 11/23/96 through 3/27/97. Point influenced by mining on 3/27/97. Monitoring Point Table 103 Revised 03/04