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Bowie Resources Limited <br />Bowie No. 1 Mine <br />2002 Annual Hydrology Report <br />P0306 <br />East Roatcap Creek -Pond 3-6 <br />Depth - 3' <br />Elevation -9075 <br />Surface Water <br />Initiated 10/1/1993 10/1/1993 10/1/1993 10/1/1993 <br />Activated <br />Date 12/12/2002 9129/2002 6!27!2002 4I30l2002 <br />• <br />Summary Information <br />Ftetd ~" ~ ~ a `" <br />a~: <br />(~'~ ter"a~~ri~,~,,.~~~,~= Baseline Operation <br /> <br />UNITS Min Ave Max Min Ave Max <br />Flow GPM 0.0 6.9 68.4 0.2 0.5 50 18.6 <br />Freeboard Feet 0.0 0.0 0 0 0 0 0 <br />Temperature Celsius 0.2 11.0 21.1 t.2 8.5 17.5 11.3 <br />Conductivity umhos/cm 30 116 670 60 50 70 60 <br />pH su 6.7 7.3 8.4 7 7 7.5 7.4 <br />Field Comments <br />,; ``; <br />Lap.....~+ ...: ..................:::: <br />Paraiheters: ; 1: <br /> <br />UNITS <br />Bicarbonate m /L 28.0 44.5 70 59 <br />Carbonate mg/L 0.0 0.0 0 <MDL <br />Chloride m /L 1.0 1.3 2 <MDL <br />Conduclivi umhos/cm 57 85 133 107 <br />Hardness mg/L 25.0 40.5 61 52 <br />pH su 6.7 6.9 7.2 6.9 <br />ResidueFillerable-TDS mg/L 26.0 81.0 130 70 <br />ResidueNonFilterable-TS mg/L 0.0 10.0 22 22 <br />SAR 0.1 0.2 0.19 0.14 <br />Sulfate mg/L 0.0 7.5 20 <MDL <br />Calcium (Dissolved) mg/L 8.0 11.8 15.4 15 <br />Ma nesium (Dissolved) mg/L 2.0 3.3 5.4 3.5 <br />Sodium (Dissolved) mg/L 1.8 2.3 3.4 2.4 <br />TDS Ratio ( rev./talc.) 0.0 1.1 2.11 1.25 <br />The area of concern for monitoring point PO3O6 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />This pond is found in "Bench"type meadow and is approximately 300' x 150' in area. (Hanna, 99) <br />Baseline Inrormation Collection initiated on 10/193 and not yet consideretl wmplete. <br />Point P03o6 has not been influenced by mining. <br />Monitoring Point Table 34 <br />(Revised 03104) <br />