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Bowie Resources, LLC Ground Water <br />Bowie No. 2 Mine <br />2004 Mnual Hydrology Report DH-39 <br />Stevens Draw -Drill Hole <br />Pipe Elevation - 7142.65 <br />Pipe 1.2' above ground <br />Depth -181' <br />Initiated 6/12/1995 6Ii211995 6/12/1995 6/12/1995 <br />AcOvated <br />Date 171182004 9/28/2004 6123/2004 4/12004 <br />Summary Infonna0on <br />`f <br />u <br />I <br />J <br /> Baseline OpereBon <br />UNITS Min Ave Max Min Ave Max <br />SfaBc Water Level Feet 64.55 72.13 192.55 71.52 71.28 70.95 70.98 <br />Water Elevation Feet 6950.1 7070.5 7078.1 7071.13 7071.37 7071.7 7071.67 <br />FieldCOmment <br />ph su 6.8 7.2 7.6 7.2 7.3 7.4 7.2 <br />Conductivity umhos/cm 1120 1287 1559 1240 1190 1190 1200 <br />Temperature Celsius 8.1 10.0 14.3 9.6 11.7 10.5 10.1 <br /> UNITS <br />Bicarbonate mglL 493 559 603 568 556 <br />Carb6nate mglL <MDL <MDL <MDL <MOL <MDL <br />Chloride m 13 16 20 - 15 15 <br />ConducOvi umhos/rnr 1090 1272 1470 1220 1090 <br />Hardness mglL <MDL 399 592 371 402 <br />Nitrate-Nitrite mglL 0.07 0.19 0.35 0.33 0.18 <br />Ammonia mglL <MDL 0.13 0.76 <MDL 0.06 <br />pH su 7.1 7.4 7.8 7.7 7.2 <br />Phosphate mg/L <MDL 0.01 0.04 <MDL 0.01 <br />ResidueFittemble-TDS mgll 750 8~ 900 780 770 <br />SuHate mglL 160 193 260 180 170 <br />Arsenic mglL <MDL 0.0006 0.0050 0.0006 0.0002 <br />Cadmium mglL <MDL 0.000 0.000 <MDL <MDL <br />Callum mgll 72.9 80.2 90.8 75.9 74.2 <br />Iron Dissolved) mglL <MDL 0.20 0.52 0.1 0.05 <br />Iron (Total) mglL 0.3 14.5 34.3 10.7 7.7 <br />Magnesium (Dissolved) mglL <MDL 63.9 91.0 44 52.6 <br />Manganese (Dissolved) mglL <MDL 3.175 60.100 0.006 0.006 <br />Manganese Total mglL 0.026 0.235 0.791 0.377 0.409 <br />Mercury mglL <MDL 0.0004 0.0055 0.0008 <MDL <br />Selenium mglL <MDL 0.003 0.009 <MDL 0.002 <br />Sodium mgll 104 138 167 118 115 <br />-nc mglL <br /><MDL <br />0.002 <br />0.02 <br /><MDL <br /><MDL <br />The area of concern for monitoring point DH-39 has not been a8ecled by the mining operatlon. There/ore, all recorded <br />monitoring events are considered Baseline. <br />Dell Hole 391s boated in Stevens Drew right next to Drill Hole 15. It is accessed by the Stevens Draw road. <br />Baseline Infonnalion Collec8on initiated on 6/12/95 and not yet considered complete. <br />Point DH-39 has not been influencetl by mining. <br />Figure No. 139 <br />