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• Bowie Resources Limited Bowie No. 2 Mine 2003 Annual Hydrology Report S32-7 Terror Creek -Spring 32-7 Elevation - 7750 Summary Information Eie ~~. Paramefe Baseline Operation UNITS Min Ave Max Min Ave Max Flow GPM 0.00 0.25 6.05 0 0 0 0 FieldComment Dry Dry D D ph su 7.5 7.5 7.5 Conductivity umhoslcm 500 500 500 Temperature Celsius 14.3 14.3 14.3 lati garamete UNITS Bicartonate mglL 216 216 216 Chloride mg/L 3 3 3 Conductivity umhos/cm 467 467 467 Hardness mg/L 157 157 157 Nitrate-Nitrite ~ mg/L <MDL <MDL <MDL Oil and Grease mglL <MDL <MDL <MDL pH su 7.9 7.9 7.9 Phosphate mg/L <MDL <MDL <MDL ResidueFilterable-TDS mg/L 300 300 300 ResidueNOnFillerable-TS mg/L <MDL <MDL <MDL SAR <MDL <MDL <MDL Sulfate mg/L 50 50 50 Aluminum mg/L 0.42 0.42 0.42 Arsenic mg/L <MDL <MDL <MDL Cadmium mglL <MDL <MDL <MDL Calcium mg/L 46.3 46.3 46.3 Copper mg/L cMDL <MDL <MDL Iron (Total) mg/L 0.32 0.32 0.32 Lead mg/L <MDL <MDL <MDL Magnesium m /L 10.1 10.1 10.1 Manganese (Total) mg/L 0.01 0.01 0.01 Mercu mg/L <MDL <MDL <MDL Molyebdenum m /L <MDL <MDL <MDL Selenium mg/L <MDL <MDL <MDL Sodium mg/L 45.8 45.8 45.8 Zinc mg/L <MDL <MDL <MDL The area of concern for monitoring point 532-7 has not been aHecfed by the mining operation. Therefore, all recorded monitoring events are considered Baseline. The monitoring point for S32-7 is located in an un-named gulch just above Cottonwood Stomp. Its accessed by foot from the Cottonwood Stomp powerline access road. Baseline Information Collection initiatetl on 6/10!98 antl nol yet considered complete. Poinl 532-7 has not been influenced by mining. Surface Water Initiated 611011998 6!1011998 6/10!1998 611011998 Activated Date 11119/2003 9/15/2003 6/22/2003 5/21/2003 Figure No. 41