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• • <br />CYPRUS ORCHARD VALLEY COAL CORPORATION <br />1993 ANNUAL HYDROLOGY REPORT <br />HYDROLOGY MONITORING DATA <br />STATION: SP1305 <br />Field Date <br />Parameters 05/27/9 06/24/9 07/10/9 08/13/9 10/12/9 <br />flow Rate (cfs) 0.0385 0.0363 0.0002 0.0003 0.0192 <br />Water Level Full Full Futl Full Full <br />Tem rature C 10 10 18 21 11 <br />Conductni umhos/an 390 440 760 745 460 <br />H 8.2 8.0 7.9 8.1 8.0 <br />Lab .:.::....::. ::.:.: :. .:: :.: <br />Parameters <br />Alkalis as CaC03 m I 222 <br />Bicarbonate as CaC03 I 222 <br />Carbonate as CaC03 m 0 <br />Calcuim, dissolved m 51 <br />Chbride (mg/1) 22 <br />Conductiv' @ 25 C° umhos/cm 597 <br />H 8.0 <br />Hardness as CaC03 m 210 <br />M nesium, dissolved m 20 <br />Sodium, dissolved m 46 <br />SuHate (mgA) 11 t <br />TDS Ratb rav./cab, 0.86 <br />Solids, total dissolved m 328 <br />Solids, total su nded m 72 <br />• Required monRoring frequency for Spring 8 Pond 13-5 effective 1994 (see TR-24) is quanerly for Howe, water levels, end field parameters; annual water <br />quality sample, <br />