2009-04-13_REPORT - C1996083 (4)

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Bowie Resources, LLC Bowie No. 2 Mine 2008 Annual Hydrology Report AW-1 Alluvial Well Top of Pipe Elevation - 5977.76' Depth -120' Pipe 1.06' Above Ground Ground Water Initiated 11/23/1996 11/23/1996 11/23/1996 11/23/1996 Activated 3/27/1997 3/27/1997 3/27/1997 3/27/1997 Date 12/10/2008 9/23/2008 6/25/2008 3/26/2008 Field Paramafwrc IINITS Summary Information Baseline Operation Min Ava May Min Ava Max Static Water Level Feet 61.92 71.25 , 82.01 43.44 68.97 85.18 78.27 71.81 61.56 64.18 Water Elevation Feet 5895.7 5906.5 5915.8 5892.6 5908.8 5934.3 5899.49 5905.95 5916.2 5913.58 FieldComment ph su 7.1 7.2 7.3 7.0 7.3 7.8 7.6 7.2 7.2 7.3 Conductivity umhos/cm 8900 9100 9300 1460 5694 9000 5900 5500 5000 4800 Temperature Celsius 10.2 11.3 12.4 9.8 12.7 14.8 12.3 13.9 14.1 13.7 Lab Parameters UNITS Bicarbonate mg/L 641 649 657 351 570 1165 1165.18 546.28 Carbonate mg/L <MDL <MDL <MDL <MDL 0.83 10.76 <MDL <MDL Chloride mg/L 77 78 79 11 107 319 318.5 163.51 Conductivity umhos/cm 6480 7230 7980 3840 5862 8610 6049 5343.36 Hardness mg/L 2750 2895 3040 <MDL 1672 4511 674.29 1668.85 Nitrate-Nitrite mg/L 5.7 6.5 7.3 0.74 5.20 11.20 4.31 3.68 Ammonia mg/L 0.07 0.11 0.14 <MDL 0.25 1.09 0.63 0.306 pH su 7.4 7.6 7.8 7.1 7.7 8.5 8.2 8.1 Phosphate mg/L <MDL <MDL <MDL <MDL 0.015 0.060 0.06 0.03 ResidueFilterable-TDS mg/L 7990 8200 8410 3100 5387 8710 5782 4612 Sulfate mg/L 5140, 5220 5300 135 3118 8330 2971.75 2546.98 Arsenic mg/L <MDL 0.001 0.001 <MDL 0.071 0.426 0.351 0.026 Cadmium mg/L <MDL <MDL <MDL <MDL 0.0069 0.0500 0.028 0.033 Calcium mg/L 316 327 338 99 204 360 183.6 131.7 Iron (Dissolved) mg/L <MDL <MDL <MDL <MDL 0.14 1.75 0.077 0.06 Iron (Total) mg/L 0.13 0.41 0.70 0.01 0.79 2.37 0.104 0.27 Magnesium (Dissolved) mg/L 476 505 533 157 340 962 398.4 325.4 Manganese (Dissolved) <MDL 0.03 0.05 <MDL 0.04 0.49 0.036 0.021 Manganese (Total) 0.01 0.03 0.06 <MDL 1.13 6.29 4.4 0.03 Mercury l d <MDL <MDL <MDL <MDL 0.00005 0.00024 0.000055 0.000019 Selenium 0.026 0.031 0.035 0.001 0.048 0.348 0.048 0.031 Sodium 1550 1625 1700 510 968 1630 1183.5 1 1 1117.5 Zinc m q/L <MDL <MDL <MDL <MDL 0.02 0.11 0.013 1 1 0.019 Alluvial Wells AW-1 through AW-6 are located north of Old State Highway 133, near the entrance to the mine. E Baseline Information for Point AW-1 is derived from events beginning on 11/23196 through 3/27/97. Point influenced by mining on 3/27/97. Figure No. 151