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I • Bowie Resources Limited Bowie No. 2 Mine 2002 Annual Hydrology Report DH-15 Stevens Draw -Drill Hole Pipe Elevation - 7143.3 Pipe 1.8' above ground Depth - 218' Ground Water Initiated 6/1211995 6/12/1995 611211995 611211995 Activated Date 1112312002 9/25/2002 6119/2002 4!29/2002 • 1/ I, u Summary Information ~ie~ P.,ara,. a Baseline Operation UNITS Min Ave Max Min Ave Max Static Water Level Feet 191.13 192.29 192.71 192.77 192.559998 192.380005 192.330002 FieldComment ph su 7.5 7.9 8.3 7.5 7.6 7.8 7.8 Conductivi umhos/cm 1820 1967 2200 2000 2000 1890 1880 Temperature Celsius 17.4 14.4 17.8 12.9 73.8 15.0 13.9 a Earl„ a UNITS Bicarbonate m IL 441 1037 1200 1130 1080 Carbonate m ti <MDL 1 12 <MDL <MDL Chloride mglL 22 24 28 25 24 Conductivi umhos/cm 1670 1865 1970 1950 1850 Hardness m /L <MDL 6 19 7 5 Nitrate-Nitrite mg/L <MDL 0.03 0.08 <MDL 0.05 Ammonia mg/L <MDL 0.41 0.60 0.60 0.49 pH - su 77 8.0 8.3 ~ 82 7.8 Phosphate mg/L <MDL 0.28 0.47 0.40 0.32 ResidueFilterable-TDS mg/L 1140 1183 1270 7170 1210 Sulfate m /L <MDL 4 30 <MDL cMDL Arsenic m !L <MDL 0.0001 0.001 0.001 <MOL Cadmium m /L <MDL <MDL <MDL <MDL <MDL Calcium mg/L 1.3 1.8 3.6 1.7 1.3 Iron (Dissolved) m /L 0.01 0.10 0.59 0.05 0.12 Iron (Total) m /L 0.16 0.48 1.62 0.76 O.f9 Ma nesium (Dissolved) m /L 0.4 0.8 2.3 0.7 0.4 Man anese (Dissolved) m /L <MDL 0.008 0.020 0.01 0.007 Man anese (Total) m /L <MDL 0.029 0.077 O.Ot7 0.042 Mercu m !L <MDL <MDL <MDL <MDL <MDL Selenium mg/L <MDL <MDL <MDL <MDL <MDL Sodium mg/L 429 497 535 429 482 Zinc m /L <MDL 0.01 0.04 0.02 0.02 The area of concern for monitoring point DH-15 has not been affected by the mining operation. Therefore, all recorded monitoring events are consideretl Baseline. Drill Hole 15 is located on the western edge of the Stevens Draw road. Baseline Information Collection initiated on 6/12/95 and not yet considered complete. Point DH-16 has not been influenced by mining. Monitoring Point Table 89 Revised 03/04