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Bowie Resources Limited Bowie No. 2 Mine 2002 Annual Hydrology Report AW2 Alluvial Wett 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 tt/23/1996 Activated 3/27/1997 3/27/1997 3/27/1997 3/27/1997 Dale 11/23/2002 9/25/2002 6/18/2002 2/2812002 • ! 1 Summary Information Field Parameters Baseline Operation UNITS Min Ave Max Min Ave Max Static Water Level Feet 50.35 50.65 50.81 40.48 50.02 51.76 40.48 49.06 48.92 49.45 Field Comment ph su 6.9 6.9 7.1 6.9 6.9 6.9 6.9 Contluctivi 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 lab ' Pammeters .: :;, UNITS Bicarbonate mg/L 906 906 906 906 Carbonate mg/L <MDL <MDL <MDL <MDL Chlodde mglL 184 184 184 184 Conductivity umhos/cm 4030 4030 4030 4030 Hartlness m /L. 1070 1070 1070 1070 Nitrate-Nitrite mglL 3.52 3.52 3.52 3.52 Ammonia mg/L <MDL <MDL <MDL <MDL pH su 72 7.2 72 7.2 Phosphate mg/L 0.06 0.06 0.06 0.06 ResidueFillerable-TDS m /L 3230 3230 3230 3230 Sulfate m /L 1470 1470 1470 1470 Arsenic mg/L <MDL <MDL <MDL <MDL Cadmium mg/L <MDL <MDL <MDL <MDL Calcium mg/L 148 148 148 148 Iron (Dissolved) mg/I_ 0.06 0.06 0.06 0.06 Iron (Total) mg/L 0.41 0.41 0.41 0.41 Ma nesium mg/L 170 170 170 170 Ma anese Dissolved) m /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 m /L 0.15 0.15 0.15 0.15 Sotlium mg/L 329 329 329 329 Zinc mg/L <MDL <MDL <MDL <MDL Alluvial Wells AW-1 through AW-6 are located north of Old State Highway 133, near the entrance fo the mine. Baseline Information for Point AW-2 is derivetl 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