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Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2006 Annual Hydrology Repoli <br />DH-678 <br />Hubbard Creek - B Seam Monitoring Well <br />Elevation - 6451 <br />Depth - 594' <br />Ground Water <br />IniBated 6/29/2004 8/29/2004 8/29/2004 6/29/2004 <br />Activated <br />Date 11/21/2006 9/14/2006 6/25/2006 5/30/2006 <br />Summary Information <br /> Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Static Water Level Feet 146.9 148.95 153.53 149.72 148.94 148.81 148.53 <br />Water Elevation Feet 6297.5 6315.8 6451.0 8301.28 6302.06 6302.19 6302.47 <br />FieldComment <br />ph su 6.5 7.7 8.8 7.7 7.8 7.7 7.8 <br />Conductivi umhos/an 2570 4646.7 6300 6100 6100 6200 8300 <br />Tempere[ure Celsius 13.8 16.54 22.5 13.6 15.3 15.4 14.1 <br /> UNITS <br />Bicarbonate mg/L 1802 2822.8 3838 2897 2987 2699 <br />Carbonate mglL D 138.23 725.4 184.4 0 148 <br />Chloride mg/L 157.8 340.41 489 303.9 337.68 339.8 <br />Contludiviry umhos/cm 497 4599.8 7552 3490 5501.16 5273 <br />Hardness m 2 3.59 61.977 198 44.3 38.38 32.2 <br />Nitrate-Nitrite m /L 0.072 1.9451 7.4 0.829 2.12 1.23 <br />Ammonia m /L 0.7 4.7704 9.48 7.14 9.48 3.78 <br />pH su 7.7 8.32 9.37 6.75 8.13 7.7 <br />Phosphate m /L <MDL 1.2978 5.96 0.104 0.376 1.54 <br />ResidueFilterable-TDS m /L 2186 3933.4 8131 2186 3921 3574 <br />Sulfate m /L 2.06 23.852 91.58 2.88 18.11 2.08 <br />Arsenic mg/L 0.047 0.2097 0.545 0.181 0.122 0.49 <br />Cadmium mg/L 0.003 0.0258 0.06 0.06 0.02 0.08 <br />Calcium mg/L 0.24 11.77 53.7 9.48 8.84 5.23 <br />Iron Dissolved m /L 0.01 0.1774 0.54 0.54 0.18 0.18 <br />Iron otal m /L 0.09 5.8934 31.8 0.8 1.58 0.83 <br />Magnesium mg/L 0.73 7.934 29.9 5.01 3.96 4.72 <br />Manganese Dissolvetl) mg/L <MDL 0.0334 0.102 0.02 0.02 0.014 <br />Manganese otal) mg/L 0.01 0.1932 1.129 0.03 0.03 0.02 <br />Mera m IL <MDL 0.0002 0.0004 0.000021 0.000153 <MDL <br />Selenium m /L 0.003 0.1449 0.519 0.238 0.372 0.155 <br />Sodium mg/L 776 1383.2 1702 1344 1540 1702 <br />Zinc mg/L <MDL 0.0811 0.4 0.04 0.4 <MDL <br />The area of croncem for monifonng paint OH-67B has not been affected by the mining operation. Therefore, all recoMed <br />monirohng events are considered Base/ine. <br /> <br /> <br /> <br />Baseline Information Collection initiated on 6/29/04 antl not yet considered complete. <br />Point DHE7B has not been inFlUenced by mining. <br />Figure No. 142 <br />