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• • <br />CYPRUS ORCHARD VALLEY COAL CORPORATION <br />1993 ANNUAL HYDROLOGY REPORT <br />HYDROLOGY MONRORING DATA <br />STATION: P1302 <br />Field Date <br />Parameters OS/Z7/9 06/24/9 07(10(9 08/13/9 10/12/9 <br />Flow Rate (cfs) 0.0001 0.0000 0.0000 0.0000 0.0000 <br />Water Level Full 3!4 full 1/3 full Dam 1/8 lull <br />Tem rature C <br />Conductiv' umhos/cm <br />H <br />Lab: `:; .: <br />Parameters <br />Alkalin' as CaC03 m I <br />Bicarbonate as CaC03 m /I <br />Carbonate as CaC03 m / <br />Calcuim, dissolved m 11 <br />Chbride (mg/~ <br />Conductivi @ 25 C° umhos/cm <br />H <br />Hardness as CaC03 m <br />M nesium, dissolved m /I <br />Sodium, dissolved m <br />Sulfate (mgR) <br />TDS Ratb ravJcak;. <br />Solids, total dissolved m <br />Solids, total su nded m A <br />Monitoring of Pond 13-2 was temporarily suspended effective 1994 (see TR-24). Pond 13-2 lies north and west of an area of the East mhe hactlve shoe <br />1982 and outside the subsidence zone, Monitoring of Pond 13-2 will be renewed 1 year prior to further development of the East mine with quarterly flour, <br />field parameter, and water level measurements and an annual water quality sample. <br />