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• <br />Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2006 AnnualHydrology Report <br />DH-25 <br />C Gulch -Drill Hole <br />Pipe Elevation - 7144.17 <br />Pipe 2.3' above ground <br />Depth - 325' <br />Ground Water <br />Initiatetl 8/12/1995 6/12/1995 8/12/1995 6/12/1995 <br />Activated 3/30/1997 3/30/1997 3/30/1997 3!30/1997 <br />Date 11/20/2006 9/18/2006 6/16/2006 3/26/2006 <br />Summary Information <br />I <br />• <br /> Baseline Operation <br />UNITS Min Ave Maz Min Ave Maz <br />Static Water Level Feet 314.62 315.44 318.61 173.79 313.64 320 38 315.34 315.35 315.42 315.53 <br />Water Elevation Feet 6827 6 6828.7 8829.6 6823.8 6830.5 6970.4 6828.63 6828.82 6826.75 6828.64 <br />FieldComment Blocka e` Blockage` Blocka e• Blockage' <br />ph su 6.6 7.6 7.9 7.3 7.7 8.0 <br />Conductivity umhos/cm 4800 5112 5683 3700 4733 5000 <br />Temperature Celsius 15.6 17.9 20.2 11.4 18.7 18.9 <br /> UNITS <br />Bicarbonate mg/L 1730 2203 2480 2470 3092 5060 <br />Carbonate mg/L <MDL <MDL <MDL <MDL 9 77 <br />Chloride mg/L 99 107 110 77 98 108 <br />Conductivity umhos/cm 4170 4698 4910 4230 4475 4630 <br />Hardness /L 90 107 121 <MDL 57 104 <br />Nitrate-Nitrite mg/L <MDL 0.04 0.06 <MDL 0.11 061 <br />Ammonia mg/L 2.08 2.37 2.80 1.82 2.93 1150 <br />pH su 7.5 7.9 8.1 7.7 8.0 8.3 <br />Phosphate mg/L 0.12 0.88 2.20 <MDL 0.37 146 <br />ResidueFilterable TDS m /L 2960 3133 3280 2200 2924 3100 <br />Sulfate m /L 200 428 600 <MDL 43 140 <br />Arsenic mg/L <MDL 0.001 0.002 <MDL 0.001 0.003 <br />Cadmium m /L <MDL <MDL <MDL <MDL <MDL <MDL <br />Calcium m /L 14.1 18.3 18.5 7.6 13.9 21.9 <br />Iron (Dissolvetl) m /L 0.11 0.14 0.20 <MDL 0.23 1.12 <br />Iron Total) m IL 0.54 1.03 1.63 0.57 15.22 67 00 <br />Magnesium mg/L 13.2 18.1 18.4 6.7 11.8 16.0 <br />Manganese (Dissolved) mg/L 0.03 0.04 0.04 <MDL 0.03 0.08 <br />Manganese (Total) mg/L 0.04 0.06 0.09 0.03 0.75 3.25 <br />Mercu mg/L <MDL <MDL <MDL <MDL 0.0002 0.0012 <br />Selenium m /L <MDL <MDL <MDL <MDL 0.0003 0.001 <br />Sotlium mg/L 1240 1293 1330 259 1146 1940 <br />Zinc mg/L <MDL <MDL <MDL <MDL 0.03 0.20 <br />•Appnr. 4' of casing has been broken o/r well byconstruction -can not get bailer to wafer for sampling. <br />Drill Hole 25 is located immediately above the mine portals on a soufhem /acing sbpe of the end o/ an old coal explorofion road. <br />Baseline Information for Point DH-25 is derived from events beginning on 6/12/95 through 3/30/97. <br />Point in8uencetl by mining on 3/30/97. <br />Figure No. 133 <br />