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Bowie Resources Limited <br />Bowie No. 1 Mine <br />2002 Annual Hydrology Report <br />SM09 <br />Monitoring Well SM-9 <br />Depth - 40' <br />Top of Pipe Elevation - 7520' <br />Pipe 2.5' Above Ground <br />Ground Water <br />Initiated 8/26/1985 8/26/1985 <br />Activated 2/1/1993 2/1/1993 <br />Date 12/9/2002 6/26/2002 <br /> <br />Summary Information <br />W@1d ;; <br />~ , ~ ht~. ~ :.; <br />~afettJefef9":,:r ...................... m Baseline Operation <br /> <br />UNITS Min Ave Max Min Ave Max <br />Static Water Level Feet 19.7 24.9 27.0 17.0 23.7 26.2 25.86 26.22 <br />Water Elevation Feet 7493.0 7495.8 7520.0 7493.8 7496.3 7503.0 7494.14 7493.78 <br />Temperature Celsius 6.7 9.3 18.1 6.0 8.2 10.3 8.0 9.1 <br />Conductivi umhos/cm 310 680 1190 580 786 960 860 890 <br />pH su 6.7 7.8 8.8 6.9 7.3 7.8 7.1 6.9 <br />Field Comments <br />..................................... _............ <br />Lakt '. <br />ParemeteFS, ........ r <br /> <br />UNITS <br />Bicarbonate mg/L 49 319 510 386 412 489 386 489 <br />Carbonate mg/L <MDL <MDL <MDL <MDL cMDL <MDL <MDL <MDL <br />Chloride mg/L 2 9 16 9 14 17 14 15 <br />Conductivi umhos/cm 438 610 1230 823 919 1002 888 890 <br />Hardness m /L 111 214 501 302 377 410 384 367 <br />pH su 7.0 7.7 8.2 7.1 7.5 7.8 7.1 7.2 <br />ResidueFilterable-TDS mg/L 252 384 648 530 584 610 560 580 <br />ResidueNOnFilterable-TS mg/L 52 571 1475 12 72 114 98 84 <br />SAR 1.33 2.76 12.33 1.33 1.58 1.74 1.59 1.58 <br />Sulfate m /L 6 65 193 70 140 579 100 100 <br />Calcium (Dissolved) mg/L 28.0 52.4 120.0 73.5 92.6 104.0 96.7 89.6 <br />Magnesium (Dissolved) mg/L 7.0 20.2 49.0 28.7 34.6 37.1 34.5 34.7 <br />Sodium (Dissolved) mg/L 53.0 87.5 410.0 56.2 69.2 77.5 70.6 68.8 <br />TDS Ratio ( rav./talc.) 0.96 1.03 1.11 1.02 0.96 <br />Shallow monitoring wells SM-1 through SM-11 were constructed in 1985 in order to gather additional information <br />on alluvial/colluvial deposits within the permit boundary. They are depicted on Map 4-1. <br />Baseline Information for Point 8M09 is derived from events beginning on 8/26/85 through 2/1/93. <br />Point influenced by mining on 2/1/93. <br />Monitoring Point Tabie 17 <br />(Revised 03/04) <br />