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Bowie Resources, LLC <br />Bowie No. 2 Mine <br />• 2006 Annual Hydrology Report <br />DH~9 <br />B Gulch - Drill Hole <br />Pipe Elevation - 7203.4 <br />Pipe 0.7' above ground <br />Depth - 324' <br />Ground Water <br />Initiated 6/12/1995 8/12/1995 6!12/1995 6/12/1995 <br />Activated 3/30/1997 3/30/1997 3/30/1997 3/30/1997 <br />Date 12/6/2008 9/182006 6/13/2006 3/28/2006 <br />Summary Information <br /> BaseLne Operation <br />UNITS Min Ave Max Min Ave Max <br />Static Water Level Feet 100.84 145.8 189.79 0 183.86 264.36 253.52 257.28 252.38 252.46 <br />Water Elevation Feet 7013.6 7057.8 7102.8 6939.0 7019.5 7203.4 8949.88 6946.12 6951.02 8950.94 <br />FielOComment <br />ph su 7.1 7.3 7.5 6.9 7.4 8.2 7.5 7.3 7.4 7.5 <br />Conductivity umhoslcm 1220 2028 3300 1140 3361.9 4300 4300 4200 4200 4100 <br />Temperature Celsius 10 11.9 13.5 10.8 12.8 15.4 12.2 13.9 14.5 13.5 <br /> UNITS <br />Bicarbonate mg/L 496 834 1090 496 1344.4 1860 1687.54 809.64 <br />Carbonate mg/L <MDL <MDL <MDL <MDL 2.17 21.7 21.7 <MDL <br />Chloride mg/L 14 15 16 <MDL 18 25 6.87 <MOL <br />Conductivity umhos/cm 1250 2023 2470 1180 3218.7 4240 3470 3938.08 <br />Hardness m /L 34 300 491 <MDL 205 463 188.58 205.5 <br />Nitrate-Nitrite m /L 0.63 1.0 1.43 0.41 3.22 8.6 3.54 4.44 <br />Ammonia mg/L 0.14 1.9 3.8 <MDL 1.87 5 0.127 1.56 <br />pH su 7.1 7.4 7.7 7.2 7.7 8.8 8.56 7.9 <br />Phosphate m IL <MOL <MOL <MDL <MDL 0.08 0.15 <MOL 0.07 <br />ResidueFilterable TDS m /L 790 1347 1790 700 2239.9 3082 2387 3082 <br />Sulfate m /L 216 362 470 180 543 690 509.97 841.88 <br />Arsenic mg/L <MOL 0.001 0.002 <MDL 0.0080 0.1110 0.111 0.007 <br />Cadmium mg/L <MDL <MDL <MDL <MDL 0.0000 0.0000 0.00002 0.00002 <br />Calcium mg/L 11 62 100 31.2 49.8 98.4 34.2 41.9 <br />Iran Dissolved m L 0.05 0.4 1.1 <MDL 0.2337 1.12 0.12 0.09 <br />Iron Total m /L 0.2 12.4 29.4 0.61 5.3788 17.8 3.16 1.37 <br />Magnesium mg/L 1.6 35.1 58.6 18.7 32.6 52.9 20.2 24.5 <br />Manganese (Dissolved) mg/L <MDL 0.038 0.105 <MDL 0.09 0.35 0.03 0.07 <br />Manganese (Total) mg/L 0.007 0.19 0.308 <MDL 1.07 7.32 0.17 0.13 <br />Mercu m /L <MDL <MDL <MDL <MDL 0.0001 0.0005 0.00017 0.00026 <br />Selenium m /L <MDL 0.003 0.007 <MDL 0.0105 0.065 0.085 0.015 <br />Sodium mg/L 5.2 230.7 558 109 726 1170 1170 760.25 <br />Zinc mg/L <MDL 0.003 0.01 <MDL 0.017 0.04 0.04 0.04 <br />OhII Hale 49 is locafedjust above Stevens Drow road appmzimatety 1000 /eef southwest of the mine portals. It is accessed by the <br />Stevens Draw mad. <br />Baseline Information far Poim DH-09 is tlenved from events beginning on 6112/95 through 3/30/97. <br />Point influenced by mining on 3/30/97. <br />Figure No. 139 <br />