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Bowie Resources Limited <br />Bowie No. 2 Mine <br />2003 Annual Hydrology Report <br />Summary Information <br />C-Gulch-lo <br />Drainage System <br />Elevation - 5960 <br />Surface Water <br />Initiated 2/28/1995 2/28/1995 2128/1995 2/28/1995 <br />Activated 3/30/1997 3/30/1997 3/30/1997 3/30/1997 <br />Dale 12/16/2003 9/17/2003 6/24/2003 4/29/2003 <br />ie'Td° <br />Parame Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow GPM 0 0 0 0.0 t7.1 240.0 2.5 7.5 0.1 150 <br />FieldCommenl <br />ph su 6.5 8.0 9.1 6.5 7.0 8.3 9.1 <br />Conductivi umhosfcm 550 3629 6400 1130 6310 5600 3300 <br />Temperature Celsius 0.2 11.0 21.4 0.4 13.4 21.4 12.1 <br />ti <br />Para7i@ r <br />UNITS <br />Bicarbonate mg/L 258 488 608 258 490 <br />Chloride mg/L 54 117 283 118 218 <br />Conductivi umhos/cm 1120 4189 9300 1120 5120 <br />Hardness m IL <MDL 1597 3970 376 1980 <br />Nitrate-Nitrite mg/L 0.05 2.63 12.40 0.6 0.07 <br />Oil & Grease m /L cMDL 13.00 13.00 13 <MDL <br />pH su 7.5 8.1 8.8 8.2 8.1 <br />Phosphate mglL <MDL 0.58 4.65 0.09 0.03 <br />ResidueFilterable-TDS mg/L 720 4068 9750 720 4800 <br />ResidueNonFilterable-TS mg/L <MDL 367 1420 1080 12 <br />SAR <MDL 4.21 10.30 3.43 <MDL <br />Sulfate m /L 210 2263 6460 210 2810 <br />Aluminum mglL <MDL 3.94 15.30 9.83 <MDL <br />Arsenic m 2 <MDL 0.001 0.006 0.006 <MDL <br />Cadmium mglL <MDL <MDL cMDL <MDL <MDL <br />Calcium m /L 61 225 364 84.4 245 <br />Copper mg/L <MDL 0.007 0.050 0.03 <MDL <br />Iron (Total) mg/L 0.07 3.41 10.50 7.87 <MDL <br />Lead m IL <MDL 0.0050 0.0260 0.026 0.0005 <br />Magnesium m 2 40 281 770 40.2 333.0 <br />Manganese (Total) m 2 <MDL 0.08 0.18 0.14 <MDL <br />Mercu m IL <MDL 0.0000 0.0002 <MDL <MDL <br />Molyebdenum mg/L <MDL <MDL <MDL <MDL <MDL <br />Selenium m IL 0.001 0.014 0.120 <MDL 0.003 <br />Sodium mg/L 151 556 1460 151.0 665.0 <br />Zinc m /L <MDL 0.06 0.19 0.17 0.13 <br /> <br />The Lower C Gulch monitohng point is just above Sediment Pond C. All C Gulch Sow is contained in Pond C. This point exhibited no slows <br />belore the construction of the mine. The mine cvrtstrucffon and now the mine operation provide l/ow to this pornt <br />Baseline Information for C•Gulch-lo is Oedvetl from events beginning on 2/28/95 through 3/30/97. <br />Point influenced by mining on 3/30/97. <br />Figure No. 88 <br />