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• <br />Bowie Resources, LLG <br />Bowie No. 2 Mine <br />2005 Annual Hydrology Report <br />AW-7 <br />Alluvial Well <br />Top of Pipe Elevation - 5950' <br />Depth • 188' <br />Pipe 2.17' Above Ground <br />Ground Water <br />Initiatetl 9/911999 91911999 91911999 919/1999 <br />Activated 9/9/1999 9/9/1999 9/9/1999 9/9/1999 <br />Date 12/28/2005 9/28/2005 8/27/2005 3/18/2005 <br />Summary Information <br />J <br />1, 1 <br />u <br />Field <br />Parameters Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Static Water Level Feet 50.59 75.54 97.52 82.68 70.52 69.59 79.99 <br />Water Elevation Feet 5852.5 5874.5 5899.4 5867 32 5879.48 5880.41 5870.01 <br />FieltlComment <br />h su 7.3 7.9 8.4 8.1 8.0 7.8 8.1 <br />Conductivity umhos/cm 300 740 1900 1900 1420 1480 1290 <br />Temperature Celsius 10.3 13.0 14.5 11.6 14.5 13.4 11.9 <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate mg/L <MDL 200 308 308 282 <br />Carbonate mg/L <MDL 7 33 33 <MDL <br />Chloride mg/L 13 24 47 47 43 <br />Conductivity umhos/cm 359 812 1980 1980 1540 <br />Hardness /L <MDL 238 527 527 460 <br />Nitrate-Nitrite m /L <MDL 086 1.81 174 1.81 <br />Ammonia mg/L <MDL 0.04 0.10 <MDL <MDL <br />pH su 7.4 7.9 8.6 8.6 8.1 <br />Phosphate mg/L <MDL 0 02 0.06 <MDL 0.03 <br />ResidueFiltereble-TD$ m /L 200 525 1250 1250 1020 <br />Sulfate m !L 40 201 670 670 490 <br />Arsenic mg/L <MDL 0.0003 0.0010 <MDL <MDL <br />Catlmium mg/L <MDL 0.0001 0.0003 0.0002 0.0002 <br />Calcium mg/L 21.8 43.9 82.8 82.8 76.2 <br />Iron (Dissolved) m /L <MDL 0.05 0.28 0.08 0.02 <br />Iron (Total mg1L 0.05 0 35 1.01 0.12 0.06 <br />Magnesium (Dissolved) mg/L 6.3 27.9 77.9 77.9 65.5 <br />Manganese (Dissolved) mg/L <MDL 0.004 0.013 0.006 <MDL <br />Manganese (Total) mg/L <MDL 0.028 0.077 0.007 <MDL <br />Merv m /L <MDL <MDL <MDL <MDL <MDL <br />Selenium m /L <MDL 0.0012 0.0040 0.003 0.004 <br />Sodium mg/L 48.7 105.9 232.0 232 197 <br />Zinc m /L <MDL 0.02 0.04 0.04 0.04 <br />The area o/concem /or monitoring point AW-7 was affected by the mining operation before ifs establishment. There/ore, all <br />recorded monitoring events are considered Operational. <br />A/luvial Wel/s AW-7 through AW-9 are located south of O/d State Highway 133, near the entrance to the mine. <br />They were instal/ed in 1999 as the resu/t of PR-03. <br />There is no Baseline Collection possible for points inflicted after the influence of mining. <br />Figure No. 160 <br />