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CYPRUS YAMPA~LLEY COAL CORPORATION: M1HNE NO. 1, 2, AND ECKMAN PARK <br />1999 ANNUAL HYDROLOGIC REPORT <br />SUMMARY OF WATER QUALITY DATA <br />summary of water quality data-H.brw <br /> Average Sld. Maximum Minimum Units Counl Regin End <br />1 PHYSICAL PROPERTIES TEMPERATURE FIELD 9.442 3.6 19.000 4.000 DEGREES C 229 07/79 09/99 <br />2 CONDUCi'IV ITY FIELD 1434.108 457.2 2330.000 340.000 UMHOS/CM 231 07/79 09/99 <br />3 LAB 1708.118 275.3 2180.000 1230.000 UMHOS/CM 51 04/87 08/99 <br />4 PH FlELD 7.496 0.4 8.500 6.190 PH 233 07/79 09/99 <br />5 LAB 7.850 0.2 8.200 7.400 PH 12 07/86 08/99 <br />6 ALKALINfIY TOTAL 432.593 67.6 744.000 222.000 MG/L 54 07/86 08/99 <br />7 ACIDITY AS CACO3 9.300 13.7 19.000 -0.400 MG/L ? OS/81 II/BI <br />8 HARDNESS AS CACO3 557.449 149.7 1070.000 32.230 MG/L 83 03/79 08/99 <br />9 SOLIDS SUSPENDED 28.000 0.0 28.000 28.000 MG/L I 06/91 06/91 <br />10 TOTAL-DISS 1117.570 257.8 1920.000 728.000 MG/L 93 03/79 08/99 <br />11 CATIONS CALCIUM DISSOLVED 129.413 36.0 226.000 4.000 MG/L 94 03/79 08/99 <br />12 MAGNESIUM DISSOLVED 57.789 19.2 156.000 0.650 MG/L 93 03!79 08/99 <br />IJ SODIUM DISSOLVED 169A84 47.3 318.000 40.000 MG/L 93 03/79 08/99 <br />14 POTASSIUM DISSOLVED 5.062 2.5 10.000 1.720 MG/L I8 03/79 04/83 <br />IS SAR NOT APPLICABLE 3.285 1.2 10.516 0.564 UNDEFINED 89 03/79 08/99 <br />16 ANIONS BICARBONATE AS HCO3 485.739 105.5 892.800 174.000 MG/L 93 05/79 08/99 <br />17 CARBONATE AS CO3 4.021 9.9 33.600 -2.O1H1 MG/L 38 05/79 08/99 <br />18 HYDROXIDE AS OH -2.000 0.0 -2.000 -2.000 MG/L 20 12/94 08/99 <br />19 CHLORIDE NOT APPLICABLE 14.418 4.2 23.000 3.000 MG/L 33 08/79 01/87 <br />20 SULFATE NOT APPLICABLE 496.625 156.0 1000.000 253.000 MG/L 96 03/79 08/99 <br />21 PRIMARY ARSENIC DISSOLVED -0.826 2.2 2.000 -5.000 UG/L 23 OS/81 04/89 <br />22 BARIUM DISSOLVED 84.545 369.3 800.000 -300.000 UG/L II 04/79 II/BI <br />23 CADMIUM DISSOLVED -1.996 8.6 36.000 -20.000 UG/L 73 05/81 08/99 <br />24 TOTAL RECOV 0.200 0.0 0.200 0.200 UG/L I 06/91 06/91 <br />25 LEAD DISSOLVED -33.750 64.2 200.000 -200.000 UG/L 56 OS/81 08/99 <br />26 MERCURY DISSOLVED -0.093 0.9 7.000 -1.000 UG/L 72 05/81 08/99 <br />27 TOTAL RECOV -0.100 0.0 -0.100 -0.100 UC/L I 06/91 06/91 <br />28 SELENIUM DISSOLVED -0.836 2.9 15.000 -5.000 UG/L 73 OS/81 08/99 <br />29 TOTAL RECOV -1000 0.0 -1.000 -IA00 UG/L I 06/91 06/91 <br />30 SILVER DISSOLVED -36.667 5.8 -30.000 -40.000 UG/L 3 II/80 II/BI <br />31 SECONDARY SILVER TOTAL RECOV -0.500 0.0 -0.500 -0.500 UG/L I 06/91 06/91 <br />32 COPPER DISSOLVED 4.375 42.4 80.000 -30.000 UG/L 16 03/79 04/83 <br />33 ZINC DISSOLVED 34.829 34.3 105.000 -10.000 UG/L 35 03/79 04/89 <br />34 TOTAL RECOV 100.000 0.0 100.000 100.000 UGR- I 06/91 06/91 <br />35 IRON DISSOLVED 363.290 1573.9 15000.000 -60.000 UG/L 93 03/79 08/99 <br />36 TOTAL RECOV 290.000 0.0 290.000 290.000 UG/L I 06/91 06/91 <br />37 MANGANESE DISSOLVED 150.022 162.1 640.000 -30.000 UG/L 91 03/79 08/99 <br />38 TOTAL RECOV -10.000 0.0 -10.000 -10.000 UG/L 1 06/91 06/91 <br /> <br />TABLE SA SITE: OISS (001-5-5, FOIDEL CREEK ALLUVIUM) <br />