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Bowie Resources Limited <br />Bowie No. 1 Mine <br />1998 Annual Hydrology Report <br />SWO5 Steven's Gulch <br />For the P9rlad Beglming 111198 aurtl Er9dlrlg 11!31198 <br /> <br />EJe9etion - BBOD <br />IFleld parameters_~_- . ~_ <br />I _ _ - ._ _ __- _ -__ u71Wa uznw wlsa Wtrw 7H1Ca8 enTm ®t01aa anal9e 7aRWl8 77rmtre Mln Max Avg <br />iFbw Rate (cis) 6.6 6.9 3.1 7.8 3.3 0.0 0.0 2.6 0.0 0.0 r 0.0 7.B 3.OI <br />'~Wffic Level <br />IFbw Depth In ROme (FOBS) O.6B 0.7 0.92 0.76 0.99 0.38 0.38 0.76 0.56 <br />IDH(~ndard Dn~) 8.3 8.3 8.5 8.5 8.7 B.9 8.4 B.3 8.9 B. SI <br />iCondudnri[y (umhoslcm) 220 200 260 690 1090 520 1120 200 1120 571 <br />Temperature (C) 8.2 6.1 6.B 13.8 17.8 11.8 O.B 0.8 17.8 9.3 <br />--- -_ - --- . ~ ~_ s <br />-~ <br />iyyet Chemistry <br />Allalinity es CeCO (mgA) 99 131 3BB 99 3BB 206 <br />Bicerborrete es CaCO (mg/q 99 131 3BB 99 38B 206 <br />~ Carbortete es CeCO (rngA) o e o 0 0 0 <br />ChlOfidB (mgA) 5 6 91 5 91 17 <br />Condudivty (Umh0altm) 239 296 1230 239 1230 SBB <br />pF9 (Lab Unts) 7.8 T.9 B.I 7.8 8.1 7.9 <br />Flardnrss es CaCO (mgll) BB 320 535 BB 535 298 <br />Residue, Fiterable (rDS) X180 C (mgm 150 160 B 60 150 860 390 <br />Residue,NOnFiterable (TSS) (mgll) 6 e o o e s <br />RDS Ratio (gray/talc.) 0 0 0 0 0 0 <br />Sodium Absorption Ratio in Water 0.67 0.79 1.73 0.67 1.73 1.05 <br />Sulfate (mgfl) 70 20 290 20 290 127 <br />Metals <br />Calcium, dissohed (mgll) 2z.s 30.1 116.0 22.5 11fi.0 56.4 <br />Magnesium, dissoh9ad (mglq 7.8 10.6 5e, 5 7.8 59.5 26.0 <br />$Odllflrt, dissolvetl (RKJ/l) 19.5 18.5 90.7 19.5 90.7 91.2 <br />Required samplrrg Requency eRecth6 TBab (see 7R-29J Is rrwanly la /lows, ~ie9tl peamefsrs, andquslaly water qualRy sanples. <br />The Slelena GJM stream Gauge, SW{i, ie located roe Bwva No. 1 mint a timber emrape area in the NEMMM: Sac. 25, T735, R9211V. d the ear P.M.. A 38-inch <br />Parahall flume weer irahlletl at this IonBon. <br /> <br /> <br /> <br />Monitoring Point Table 42 <br />