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• • • <br />BOWIE RESOURCES -LIMITED <br />1995 ANNUAL HYDROLOGY REPORT <br />HYDROLOGY MONITORING DATA <br />STATION: SW70 <br />Field <br />Parameters 02/17/95 03/21/95 05/27/9 06/01/95 06/16/95 07/27/9 08/15/95 08/28/95 09/30/9 10/01/9 10/26/95 11/16/9 12/15/95 <br />Flow Rate (cfs) denied denied 0.0468 0.0004 0.0010 0.0014 0.0019 0.002 0.1846 0.0005 0.0004 0.0007 0.0006 <br />Water Level (M) access access <br />Temperature(C°) 9.2 12 10.8 21.3 15.7 19.5 7.1 7.1 5.5 3.6 1 <br />Conductivity (umhos/cm) 360 510 630 380 500 330 160 160 180 160 200 <br />pH 7.1 6.4 7.4 7.4 8.5 8.4 8.5 8.5 8.4 8.7 8.7 <br />Lab <br />Parameters <br />Alkalinity as CaCO3 (mg/I) 51 <br />Bicarbonate as CaCO3 (mg/I) 51 <br />Carbonate as CaCO3 mg/1 <br />Calcuim, dissolved (mg/I) 11.3 <br />Chloride (mgA) <br />Conductivity @ 25 C° (umhos/cm) 97 <br />pH 7.3 8.1 <br />Hardness as CaCO3 (mg/I) 44 <br />Magnesium, dissolved (mg/I) 3.7 <br />Sodium, dissolved (mgll} 5.3 <br />Sulfate (m ) 30 <br />TDS Ratio (gray./colt.) <br />Solids, total dissolved (mg/I) 90 70 <br />Solids, total sus nded m ) 24 34 <br />• Required monitoring frequencyfor SW10 effective 1994 (see TR-24) is monthly for flows and field parameters; quartery water quality samples. Montoring <br />to be conducted June through September. SW101ies outside the area of potential mine impacts. <br />