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• • <br />CYPRUS ORCHARD VALLEY COAL CORPORATION <br />1993 ANNUAL HYDROLOGY REPORT <br />HYDROLOGY MONITORING DATA <br />STATION: SP2000 <br />Field Date <br />Parameters 06/75/9 <br />Flow Rate (cfs) 0.0054 <br />Water Level Full <br />Tem rature (C°) 13 <br />Conductfvi (umhos/cm) 590 <br />H 8.0 <br />Lab <br />Parameters <br />Alkalini as CaC03 mg/I <br />Bicarbonate as CaC03 mg/I) <br />Carbonate as CaC03 (mg(f) <br />Calcuim, dissolved mgA) <br />Chbride (mgJl) <br />Conductfvi @ 25 C° (umhos/cm) <br />H <br />Hardness as CaC03 mgA <br />Magnesium, dissolved mg/I <br />Sodium, dissolved m A <br />Sulfate (mgA) <br />TDS Ratio (gray./calc. <br />Solids, total dissoved m A <br />Solids, total suspended (mgA) <br />• Required monitoring for Spring & Pond 20 effective 1994 (see TR-24) is quarterly for flows, water levels, and field parameters; annual water quality <br />sample. Spring 8 Pond 20 lies outside the area of any potential mining impacts with a sufficient database existing to character¢e this feature. <br />Spring 8 Pond 20 is an adjudicated water right within the permit area. <br />