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Bowie Resources Limited <br />Bowie No. 2 Mine <br />2002 Annual Hydrology Report <br />AW-1 <br />Alluvial Well <br />Top of Pipe Elevation - 5977.76' <br />Depth -120' <br />Pipe 1.06' Above Ground <br />Ground Water <br />Initiated 11/23/1996 11/23/1996 11/23/1996 11/23/1996 <br />Activated 3/27/1997 3!27/1997 3/27/1997 3/27/1997 <br />Date 11/23/2002 9/25/2002 6/1812002 2/28/2002 <br />11 1' <br />u <br /> <br />Summary Information <br />Field;;, - <br />Parameteis:. : Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Static Water Level Feet 61.92 71.25 82.01 43.44 67.49 85.18 79.98 81.76 63.52 81.57 <br />FieldComment <br />h su 7.1 7.2 7.3 7.0 7.4 7.8 7.1 7.0 7.2 7.1 <br />Conductivit umhos/cm 8900 9100 9300 3300 5548 9000 7600 7200 5500 7100 <br />Temperature Celsius 10.2 11.3 12.4 9.8 122 14.7 11.9 13.1 14.7 11.8 <br />t_ab <br />Pammeters'_.:.. - - <br />UNITS <br />Bicarbonate mg/L 641 649 657 351 514 646 637 <br />Carbonate m /L <MDL <MDL <MDL <MDL <MDL <MDL <MDL <br />Chloride mg/L 77 78 79 38 72 148 80 <br />Conductivit umhos/cm 6480 7230 7980 3840 5658 8610 7130 <br />Hardness mg/L 2750 2895 3040 <MDL 1235 3130 2190 <br />Nitrate-Nitrite m /L 6 7 7 0.74 3.90 9.40 1.76 <br />Ammonia m /L 0.07 0.11 0.14 <MDL 0.07 022 <MDL <br />pH su 7.4 7.6 7.8 7.3 7.6 8.1 7.3 <br />Phosphate m /L <MDL <MDL <MDL <MDL 0.00 0.04 <MDL <br />ResidueFilterable-TDS m /L 7990 8200 8410 3100 5105 8710 6890 <br />Sulfate m /L 5140 5220 5300 1830 3387 8330 4260 <br />Arsenic m /L <MDL 0.001 0.001 <MDL <MDL <MDL cMDL <br />Cadmium m 2 <MDL <MDL <MDL <MDL <MDL <MDL <MDL <br />Calcium m /L 316 327 338 99 192 360 256 <br />Iron (Dissolved) m /L <MDL <MDL <MDL cMDL 0.19 1.75 <MDL <br />Iron (Total) m /L 0.13 0.41 0.70 029 1.14 2.01 0.62 <br />Magnesium (Dissolved) m /L 476 505 533 157 281 543 377 <br />Manganese (Dissolved) m /L <MOL 0.03 0.05 <MDL 0.00 0.04 <MDL <br />Manganese (Total) m /L 0.01 0.03 0.06 <MDL 0.50 2.37 0.63 <br />Mercury m /L <MDL <MDL <MDL <MDL <MDL <MDL <MDL <br />Selenium m /L 0.026 0.031 0.035 0.001 0.017 0.037 0.004 <br />Sodium m /L 1550 1625 7700 568 997 1630 1210 <br />Zinc m /L <MDL <MDL <MDL <MDL 0.01 0.03 <MDL <br />Alluvial Wells AW-1 through A W-6 are located north of Old State Highway 133, near fhe entrance to the mine. <br />Baseline Information far Point AW-1 is derived from events beginning on 11/23/96 through 3/27/97. <br />Point influenced by mining on 3/27/97. <br />Monitoring Point Table 100 <br />Revised 03/04 <br />