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CYPRUS YAMPA~LEI' COAL CORPORATION • • <br />1997 ANNUAL HYDROLOGIC REPORT <br />SUMMARY OF WATER QUALITY DATA nunnery o(wder 7uwtY deK6nr <br /> Avenge 581. MneLnum M1f4ihuom Units Count Bgln Eod <br />1 PHYSICAL PROPERTIES TEMPERATURE F[ELD 10.112 2.1 13.000 5.000 DEGREES C 32 11/79 09/97 <br />2 CONDUC71VFfY FIELD 1293.462 494.6 2280.000 710.000 UMHOS/CM 52 II/79 09/97 <br />3 LAB 1791.810 213.7 2130.000 1090.000 UMHOS/CM 21 12/87 09/97 <br /> PH FIELD 7.499 0.3 8.600 6.400 PH 52 11!19 09/97 <br />5 LAB 8.100 0.1 8.200 8.000 PH 2 03/97 09N7 <br />6 ALKAI-INf7Y TOTAL 737.043 52.6 414.000 224.000 MG/L 22 10/86 09/97 <br />7 ACIDITY AS CAC03 13.000 9.9 22.000 8.000 MG/L 2 03/81 03/82 <br />8 HARDNESS TOTAL 202.787 99.8 380.000 35.000 MG/L 47 I1i/9 09/97 <br />9 SOLIDS DISSOLVED 1001.191 231.3 1900.000 670.000 MG/L 47 Il/79 09N7 <br />10 SUSPENDED -2.000 0.0 -2.000 -2.000 MG/L 1 09/90 09/90 <br />Il CATIONS CALCIUM DISSOLVED 39.777 18.9 78.000 11.800 MG/L 47 IIP9 09/97 <br />13 MAGNESRJM DISSOLVED 23.109 13.1 43.000 6.000 MG/L 47 IIP9 09N7 <br />13 BODKIN DISSOLVED 278.149 104.7 319.000 146.000 A1G/L 47 II/79 09/97 <br />14 POTASSRJM DISSOLVED 5.847 0.8 7.700 4.900 MG/L 19 11/79 04/83 <br />15 SAR NOT APPLICABLE 9.307 6.6 23.300 0.478 UNDEFINED 63 11/79 09/97 <br />16 ANIONS BICARBONATE AS HC03 411.812 74.6 327.040 170.000 MG/L 47 11/79 09/97 <br />17 CARBONATE .4S C03 4.763 7.6 20.OOD •2.000 MG/L 16 02/80 09/97 <br />18 HYDROrIDE AS OH -2.000 0.0 •2.000 -2.000 A1G/L 6 03/93 09N7 <br />19 CHLORIDE NOT APPLICABLE 10.392 7.I 39.000 4.000 MG/L 25 11!79 04/86 <br />20 SULFATE NOT APPLICABLE 426.979 133.2 774.000 23.000 MG/L 47 11/79 09/97 <br />21 PRIM1L4RY ARSENIC DISSOLVED -1.337 1.6 7.000 -3.000 UG/L 14 03/80 10/86 <br />S2 BARRIM DISSOLVED -116.667 449.1 800.000 -300.000 UG/L 6 12!79 03/63 <br />23 CADM1IRIAI DISSOLVED -3.368 6.8 5.000 -20.000 UG/L 31 03/61 09/97 <br />24 TOTAL RECOV -0.100 0.0 -0.100 -0.100 UG/L I 09/90 09N0 <br />23 LEAD DISSOLVED -34.167 71.6 30.000 -200.000 UG/L 24 07/81 09/97 <br />26 MERCUR7' DISSOLVED 0.024 1.7 9.000 -2.000 UG/L 74 03/80 09/-7 <br />27 TOTAL RECOV -0.100 0.0 -0.100 -0.100 UG/L 1 09/90 09/90 <br />26 SELENRJA7 DISSOLVED -1.471 1.2 1.000 -3.000 UG/L 34 03/80 09/97 <br />29 TOTAL RECOV •1.000 0.0 -1.000 -1.000 UG/L 1 09N0 09/90 <br />30 SILVER DISSOLVED -40.000 0.0 -40.000 -00.000 UG/L 2 07/81 03/82 <br />31 TOTAL RECOV -0.300 0.0 -0.300 -0.300 UG/L I 09/90 09/90 <br />32 SECONDARY COPPER DISSOLVED -30.000 0.0 -30.000 -30.000 UG/L 8 12179 04/83 <br />33 ZINC DISSOLVED 41.667 74.0 300.000 -IO.000 UG/L IS 12/79 10/86 <br />34 TOTAL RECOV 60.000 0.0 60.000 60.000 UG/L ! 09/90 09/90 <br />35 IRON DISSOLVED 203.261 462.9 2500.000 60.000 UG/L 46 II/79 09/97 <br />36 TOTAL RECOV 460.000 0.0 460.000 460.000 UG/L 1 09/90 09/'90 <br />37 MANGANESE DISSOLVED 69.783 70.4 280.000 -20.000 UG/L 46 11/79 09/97 <br />38 TOTAL RECO\' 20.000 0.0 20.000 20.000 UG/L I 09/90 09/90 <br />T.46LE 7.4 SITE: 08796 (008-79-6) <br />