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<br />BOWIE RESOURCES LIMITED -BOWIE NO. 1 MINE <br />1994 ANNUAL HYDROLOGY REPORT <br />HYDROLOGY MONITORING DATA <br />STATION: S311]D <br />Field ::.:.: ::.::..:::::::::.::...: .:::..:.:::::::::.::.:::::::: ' Date <br />Parameters ..:...::.:. : '..' ::.::.:.:....' 07/12/94 04/15/94 05/05/94 06/30/94 07/06/94 08/02/94 OS/31/94 10/03/ 10/11/94 11/01/94 <br />Flow Rate (cfs) 0.0116 0.0374 0.0334 0.0381 0.0327 0.0103 0.0049 0.0036 0.0031 <br />Temperature (C°) 6 7 7 9 11 12 14 9 9 6 <br />Conductivity (umhos/cm) 500 670 640 730 740 770 800 790 840 780 <br />pH 8 7.5 7.5 7.4 7.5 7.5 7.8 7.7 7.5 7.6 <br />Lab ..:.. .. .. .. .. .....:::..:.....:..:. . . <br />Parameters ' . :.:.:::::: : . ..., . <br />Alkalinity as CaC03 312 280 328 335 <br />Bicarbonate as CaC03 (mg/I) 312 280 400 409 <br />Carbonate as CaC03 mg/I) 0 0 ~ 0 0 <br />Calcuim, dissolved (mg/I) 79 66 77 74 <br />Chloride (mg/I) 11 10 12 11 <br />Conductivity @ 25 C° (umhos/cm) 816 767 863 876 <br />pH 7.3 7.6 7.4 7.5 <br />Hardness as CaC03 (mg/I) 296 251 287 279 <br />Magnesium, dissolved (mg/I) 24 21 23 23 <br />Sodium, dissolved (mgll) 82 73 74 72 <br />Sulfate (mg/I) 128 107 132 130 <br />TDS Ratio (grav./calc.) 0.92 1.03 1.06 1.08 <br />Solids, total dissolved (mgJl) 470 460 544 550 <br />Solids, total suspended (mg/I) -2 -2 12 <br />SAR in Water 2.07 2.03 1.9 1.9 <br />* Required monitoring frequency for Spring 31 effective 1994 (see TR-24) is monthly for flows and field parameters; quarterly water quality samples. <br />