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<br />CYPRUS ORCHARD VALLEY COAL CORPORATION <br />1993 ANNUAL HYDROLOGY REPORT <br />HYDROLOGY MONITORING DATA <br />STATION: SP2200 <br />Field Date <br />Parazneters 06/25/9 07/17/9 <br />Flow Rate (cfs) 0.0032 0.0001 <br />Water Level Full Full <br />Tem rature (C 18 <br />Conductivit (umhos/cm) 670 <br />H 8.4 <br />Lab <br />Parameters <br />Alkalinit as CaC03 m /I <br />Bicazbonate as CaC03 mg/I) <br />Carbonate as CaC03 mg/f) <br />Calcuim, dissolved m A <br />Chbride (mg/1) <br />Conductivi @ 25 C° umhos/cm) <br />H <br />Hardness as CaC03 m <br />Magnesium, dissolved (mg/I) <br />Sodium, dissoved (mgfl <br />Sulfate (mg/I) <br />TDS Rata grav./calc, <br />Solids, total dissolved mg/I) <br />Solids, total suspended (mg/I) <br />Monitoring of Spring & Pond 22 was temporarily suspended effective 1994 (see TR-24). Spring 8 Pond 22 lies outside of the area of potential mine <br />Impacts given mine development to date. Monitoring of Spring & Pond 22 will be renewed 1 year prior to further development of the East mine with <br />quarterly flow, water level, and field parameter measurements and an annual water quality sample. <br />