2011-04-18_REPORT - C1996083 (5)

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Bowie Resources, LLC Bowie No. 2 Mine 2010 Annual Hydrology Report DH-67abv Hubbard Creek - Monitoring Well Elevation - 6450.5 Depth -193' Ground Water Initiated 10/12/2000 10/12/2000 10/12/2000 10/12/2000 Activated Date 11/22/2010 8123/2010 6/15/2010 3/1/2010 Summary Information Baseline I ITC f0in Ave Max Operation Min AvA Max Static Water Level Feet 27.2 40.7653 77.7 50.03 50.37 49.94 50.79 Water Elevation Feet 6372.8 6409.7 6423.3 6400.47 6400-13 6400.56 6399.71 FieldComment ph su 6.9 7.7 9.2 7.5 7.4 7.3 7.5 Conductivity umhos/cm 1624 3121 3700 2300 2300 2600 3100 Temperature Celsius 5.6 10.9774 19 9.1 11.6 9.9 9.8 UNITS Bicarbonate 1231.1 2018.47 2723 1231.07 1514.1 Carbonate <MDL 37.42 138.52 <MDL <MDL Chloride <MDL 49.44 383.56 11.34 5.48 Conductivity 2120.4 3106.09 3968 2980 2640 Hardness 19.34 35.88 82.7 21.16 19.34 Acidi 7.27 7.8 8.33 8.33 7.27 Nitrate-Nitrite <MDL 3.61 32.3 0.01 <MDL Ammonia d <MDL 1.4054 2.72 0.52 1.013 pH 7.27 8.04 9.08 7.27 7.388 Phosphate <MDL 0.403 1.84 0.16 0.155 ResidueFilterable-TDS 246.9 2088.34 2600 794 2036 Sulfate <MDL 24.86 288 8.23 9.47 Arsenic <MDL 0.063 0.415 0.137 0.0018 Cadmium <MDL 0.02 0.07 0.01 0.01 Calcium mg/L 3.77 8.42 15 4.91 4.91 Iron Dissolved mg/L <MDL 0.150 1.038 0.05 0.01 Iron (Total) mg/L 0.046 1.038 13.5 0.22 0.29 Magnesium mg/L 1.72 3.68 14.8 2.16 1.72 Manganese (Dissolved) mg/L <MDL 0.020 0.042 0.017 0.011 Manganese (Total) 0.006 0.047 0.51 0.018 0.023 Mercury Mg <MDL 0.00134 .02200 0.0001 0.00015 Selenium j <MDL 0.314 5.47 0.07 0.045 Sodium 442.75 947.145 1340 442.75 805 Zinc <MDL 0.042 0.195 0.01 0.01 The area of concern for monitoring point DH-67abv has not been affected by the mining operation. Therefore, all recorded monitoring events are considered Baseline. • • • Baseline Information Collection initiated on 10/12/00 and not yet considered complete. Point DH-67abv has not been influenced by mining. Figure No. 146