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• <br />Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2008 Annual Hydrology Report <br />DH-67D (Reb) <br />Hubbard Creek - D - Seam Monitoring Well <br />Elevation - 6450' <br />Depth - 324.8' <br />Ground Water <br />Initiated 11/30/2000 11/30/2000 11/30/2000 11/30/2000 <br />Activated <br />Date 11/24/2008 9/22/2008 6/18/2008 4/22/2008 <br />Summary Information <br />• <br />r <br />field <br />Faram?te'rs Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Static Water Level Feet 0 149.714 196.84 195.61 195.46 195.96 196.48 <br />Water Elevation Feet 6253.2 6300.3 6450.0 6254.39 6254.54 6254.04 6253.52 <br />FieldComment <br />ph su 7.9 8.8 10.6 <br />r 9 9 9.2 9.2 <br />Conductivity umhos/cm 1660 6088 7200 <br />- 6800 6900 6600 6900 <br />Temperature Celsius 11.2 15.0 16.4 14.5 15.8 16.4 15.6 <br />== <br />Lab <br />k-'aramelti5 <br />UNITS <br />Bicarbonate mg/L 1726 2872.72 3675 2540.2 2653.36 <br />Carbonate mg/L <MDL 195.716 612.9 538.98 440.93 <br />Chloride mg/L 94.65 407.82 610 414.23 403.21 <br />Conductivity umhos/cm 2908 5882.83 13132 5788 6398 <br />Hardness mg/L 7.1 28.96 48.06 7.1 8.44 <br />Nitrate-Nitrite mg/L <br /><MDL <br />9.21417 <br />60.03 <br /><MDL <br /><MDL <br />Ammonia mg/L 0.188 5.19393 30.5 10.3 0.188 <br />pH su 7.61 8.51 9.43 9.43 9.32 <br />Phosphate mg/L <MDL 5.3017 48.2 0.39 0.31 <br />ResidueFilterable-TDS mg/L 1886 4018.27 5188 4102 4333 <br />Sulfate mg/L 3.29 38.6187 300 32.93 27.99 <br />Arsenic mg/L 0.019 0.27647 0.915 0.116 0.063 <br />Cadmium mg/L <MDL 0.02492 0.07 0.021 0.033 <br />Calcium 7.26333 36.7 1.11 2.11 <br />Iron (Dissolved) 0.29953 3.13 0.104 0.11 <br />Iron (Total) W 7.68187 99.3 0.095 0.12 <br />Magnesium 4.32867 10.2 1.05 0.77 <br />Manganese (Dissolved) mg/L WDL 0.06625 0.417 0.014 0.005 <br />Manganese (Total) 0.29785 2.51 0.016 0.008 <br />Mercury mg/L <MDL 0.00013 0.00042 0.000042 0.000018 <br />Selenium mg/L <MDL 0.21971 1.064 0.075 0.49 <br />Sodium mg/L 784 1524 2257.5 1950 1 1 2257.5 <br />Zinc mg/L 0.006 0.05433 0.206 0.006 0.02 <br />The area of concern for monitoring point DH-67D has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />Baseline Information Collection initiated on 11/30/00 and not yet considered complete. <br />Point DH-67D has not been influenced by mining. <br />Figure No. 144