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Bowie Resources Limited Surface Water Bowie No. 2 Mine 2003 Annual Hydrology Report D2-1 • Sheep Corral -Drainage System Elevation - 6360 Summary Information Initiated 10131/1997 10/3111997 10/31!1997 10/31H997 Activated 4/1/2002 4/1!2002 4l1I2002 4/1/2002 Date 11/19/2003 9/15/2003 6/22/2003 5121!2003 FieW~' ~~~ ` ~' i Parameters Baseline Operation UNITS Min Ave Max Min Ave Max Flow GPM 0.00 0.32 4.55 0.00 0.20 1.60 0 0 0 1.6 FieldComment D D Dry ph su 7.1 7.8 8.4 7.4 7.4 7.4 7,q Conductivi umhos/cm 940 1210 1640 1300 1300 1300 1300 Temperature Celsius 4.1 11.1 19.4 16.6 16.6 16.6 16.6 L~ Parame er UNITS Bicarbonate mg1L 540 540 540 Chloride mg/L 11 11 11 Conductivity umhos/cm 1230 1230 1230 Hardness m /L 291 291 291 Nitrate-Nitrite m /L <MDL <MDL <MDL - Oil and Grease m /L <MDL <MDL <MDL pH su 8.2 8.2 8.2 Phosphate mg/L <MDL <MDL <MDL ResidueFilterable-TDS ResidueNOnFilterable-TS SAR m IL mg/L 790 <MDL 5.3 790 <MDL 5.3 790 <MDL 5.3 Sulfate m /L 190 190 190 Aluminum mg/L 0.39 0.39 0.39 Arsenic m /L <MDL <MDL <MDL Cadmium m /L <MDL <MDL <MDL Calcium mg/L 49.8 49.8 49.8 Copper mg/L <MDL <MDL <MDL Iron (Total) mg/L 0.3 0.3 0.3 Lead m /L <MDL <MDL <MDL Magnesium mg/L 40.6 40.6 40.6 Manganese (Total) m /L 0.01 0.01 0.01 Mercury m /L <MDL <MDL <MDL Molyebdenum mg/L <MDL <MDL <MDL Selenium mg/L <MDL <MDL <MDL Sodium m /L 205 205 205 Zinc m /L <MDL <MDL <MDL The D2-1 Monitoring point is at the lower extreme of Sheep Corral Gulch. /t is locatedjust below the Hubbard Creek Road, just noRh of the Blue Ribbon Mine. • Baseline Information for Point D2-1 is tlenvetl from events beginning on 70/37!97 through 4/1/02. FI Ure NO. 91 Point influenced by mining on 4/1/02. 9