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Bowie Resources Limited Bowie No. 2 Mine 2002 Annual Hydrology Report AW7 Alluvial Well Top of Pipe Elevation - 5950' Depth -188' Pipe 2.17' Above Ground Ground Water Initiated 9/9/1999 9/9/1999 9/9!1999 9/9/1999 Activated 9/9/1999 9/9/1999 9/9/1999 9/9/1999 Date 11/22/2002 9/25/2002 6/18/2002 2/28/2002 • Summary Information Field" Paramelersi-: '- Baseline Operation UNITS Min Ave Max Min Ave Max Static Water Level Feet 56.16 76.95 97.52 70.97 83.28 56.16 97.52 FieldComment ph su 7.3 7.8 8.4 7.5 7.5 7.6 7.3 Conductivi umhos/cm 300 526 1130 610 560 540 560 Temperature Celsius 11.0 13.0 14.5 11.7 13.5 14.3 11.5 Lab Parameters UNITS Bicarbonate mg/L 0 133 205 205 Carbonate mg/L <MDL <MDL <MDL <MDL Chloride m /L 13 15 17 17 Conductivity umhos/cm 359 501 645 645 Hardness mg/L <MDL 106 169 169 Nitrate-Nitdte mg/L <MDL 0.29 0.58 0.58 Ammonia mg/L <MDL 0.04 0.10 <MDL pH su 7.5 7.8 8.0 7.8 Phos hate m /L <MDL 0.01 0.04 <MDL ResidueFilterable-TDS mg/L 200 300 370 370 Sulfate m /L 40 84 110 110 Arsenic m /L <MDL D.0002 0.0010 0.001 Cadmium mg/L <MDL 0.0000 0.0000 <MDL Calcium mg/L 21.8 31.5 39.3 39.3 Iron (Dissolved) mg/L <MDL 0.02 0.04 0.02 Iron (Total) m /L 0.06 0.51 1.01 0.35 Magnesium (Dissolved) mg/L 6 12 17 17.2 Manganese (Dissolved) m /L <MDL 0.002 0.006 <MDL Man anese (Total) mg/L <MDL 0.031 0.077 0.011 Mercu m /L <MDL <MDL <MDL <MDL Selenium mg/L <MDL 0.0000 0.0000 <MDL Sodium m /L 46.7 65.0 73.9 73.9 Zinc m /L <MDL 0.01 0.03 <MDL The area of concern for monitoring point AW-7 was affected 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 o/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 108 Revised 03/04