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<br />CYPRUS ORCHARD VALLEY COAL CORPORATION <br />1993 ANNUAL HYDROLOGY REPORT <br />HYDROLOGY MONITORING DATA <br />STATION: SP0704 <br />• <br />Fie4d :::.:.. Date <br />Parameters 06/24/9 07/17/9 08/13 <br />f=low Rate (cfs) 0.0000 0.0000 0.0000 <br />Water Level ? 7 7 <br />Tem rature C <br />Conductiv' umhos/cm <br />H <br />Lab...:..' :.:: .; .. .:. <br />Parameters' :.:.: :: .:: :. . <br />Alkalin' as CaCO3 m I <br />Bicarbonate as CaCO3 m I <br />Carbonate as CaCO3 m <br />Calcuim, dissolved m <br />Chbride (mg/Tj <br />Conductiv' @ 25 C° umhos/cm <br />H <br />Hardness as CaCO3 m /I <br />M nesium, dissolved m I <br />Sodium, dissolved m A <br />Sulfate (mg/1) <br />TDS Rata rav./talc. <br />Solids, total dissoved m <br />Solids, total su nded m 11 <br />Monitoring of Spring 8 Pond 7-4 was temporarily suspended effective 1994 (see TR-24), Spring 8 Pond 7-4 overlies of an area of the East mine inactive <br />since 1983. No retreat mining has occurred In the vicinity of this sde. Monitoring of Spring 8 Pond 7-4 will be renewed 1 year prior to further development <br />of the East mine with quarterly flow, water level, and field parameter measurements and an annual water quaity sample. <br />