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Bowie Resources Limited <br />Bowie No. 2 Mine <br />2002 Annual Hydrology Report <br />DH-09 <br />B Gulch -Drill Hole <br />Pipe Elevation - 7203.4 <br />Pipe 0.7' above ground <br />Depth - 324' <br />Ground Water <br />Initiated 6/12/1995 6/12/1995 6/12/1995 6/12/1995 <br />Activated 3/30/1997 3/30/1997 3/30/1997 3/30/1997 <br />Dale 11/22/2002 9/25/2002 6/19/2002 4/30/2002 <br />Summary Intonnation <br />• <br />F~.e ,t'° "~';,®.~~f= <br />P. ata"irie er '. Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Static Water Level Feet 100.84 145.8 189.79 0 139.15 226.57 226.57 219.52 21526 213.23 <br />Field Comment <br />ph su 7.1 7.3 7.5 6.9 7.3 7.6 72 7.1 72 7.3 <br />Conductivit umhos/cm 1220 2028 3300 1140 2835.9 4000 4000 3900 4000 3700 <br />Temperature Celsius 10 11.9 13.5 10.8 12.4 15.4 11.8 13.6 15.4 122 <br />ParaiSi~Ydks~ „r..E~~ UNITS <br />Bicarbonate mg/L 496 834 1090 496 1159.6 1860 1600 1570 <br />Carbonate mg/L <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <br />Chloride mg/L 14 15 16 15 17 20 20 19 <br />Conductivit umhos/cm 1250 2023 2470 1160 2692.7 3850 3850 3630 <br />Hardness mg/L 34 300 491 <MDL 214 463 160 229 <br />Nitrate-Nitrite m /L 0.63 1.0 1.43 0.41 2.02 6.6 6.60 3.39 <br />Ammonia mg/L 0.14 1.9 3.8 <MDL 2.11 5 <MDL 1.55 <br />pH su 7.1 7.4 7.7 72 7.5 8.0 7.6 72 <br />Phosphate mg/L <MDL <MDL <MDL <MDL 0.05 0.15 0.15 0.13 <br />ResidueFilterable (TDS) mg/L 790 1347 1790 700 1847.3 2630 2630 2630 <br />Sulfate m /L 216 362 470 180 464 650 640 650 <br />Arsenic m /L <MDL 0.001 0.002 cMDL 0.0002 0.0010 <MDL <MDL <br />Cadmium m /L <MDL <MDL <MDL cMDL <MDL <MDL cMDL <MDL <br />Calcium mg/L 11 62 100 332 602 98.4 332 42.7 <br />Iron (Dissolved) m /L 0.05 0.4 1.1 <MDL 0.2391 1.12 024 0.39 <br />Iron (Total) mg/L 02 12.4 29.4 0.61 6.3236 17.8 8.63 17.80 <br />Magnesium mg/L 1.6 35.1 58.6 18.7 37.8 52.9 18.7 29.7 <br />Manganese (Dissolved) mg/L <MDL 0.038 0.105 <MDL 0.09 0.3 0.01 0.3 <br />Manganese (Total) mg/L 0.007 0.19 0.308 cMDL 1.34 7.32 2.44 7.32 <br />Mercury mg/L <MDL <MDL <MDL <MDL 0.0001 0.0005 <MDL <MDL <br />Selenium m /L <MDL 0.003 0.007 <MDL 0.0017 0.005 <MDL <MDL <br />Sodium mg/L 52 230.7 556 109 561 897 589 897 <br />Zinc mg/L <MDL 0.003 0.01 <MDL 0.006 0.04 <MDL <MDL <br />Grill Hole 49 is located just above Stevens Drew road approximately 1000 feet southwest of the mine portals. It is accessed by the <br />Stevens Draw road. <br />Baseline Information for Point DH-49 is derived from events beginning on 6/12/95 through 3/30/97. <br />Point influenced by mining on 3/30/97. <br />Monitoring Point Table 93 <br />Revised 03/04 <br />