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CYPRUS YAMPA• LEY COAL CORPORATION: MINE NO. 1, 2, AND ECKMAN PARK • • <br />1999 ANNUAL HYDROLOGIC REPORT <br />SUMMARY OF WATER QUALITY' DATA <br />summary of water quality data-Il.brw <br /> Average Sld. Maximum Minimum Units Count Begin End <br />t PHYSICAL PROPERTIES TEMPERATURE FIELD 11.362 2.3 16.000 B.000 DEGREES C 26 05/87 09/99 <br />2 CONDUCTIVITY FIELD 2938.731 677.6 3850.000 947.000 UMHOS/CM 26 05/87 09/99 <br />3 LAB 2995.240 662.1 3800.000 1150.000 UMHOS/CM 25 05/87 09/99 <br />4 PH FIELD 7.911 0.7 9.330 6.900 PH 26 05/87 09/99 <br />5 LAB 7.600 1.3 9.200 5.900 PH 6 05/97 09/99 <br />6 ALKALINITY TOTAL 154.880 133.8 370.000 6.000 MG/L 25 OS/B7 09/99 <br />7 HARDNESS AS CAC03 1446.904 729.5 ?371.000 6.600 MG/L 25 05/87 09/99 <br />8 SOLIDS TOTAL-DISS 2695.280 882.8 3560.000 618.000 MG/L 25 05/87 09/99 <br />9 CATIONS CALCIUM DISSOLVED ?69.036 1472 447,000 1.000 MGlL 25 05!87 09!99 <br />10 MAGNESIUM DISSOLVED 188.776 101.0 318.000 1.000 MG/L 25 05/87 09/99 <br />11 SODIUM DISSOLVED 265.160 70.6 442.000 156.000 MG/L 25 05/87 09/99 <br />12 SAR NOT APPLICABLE 3.947 3.7 19.000 1.542 UNDEFINED 27 05/87 09/99 <br />l3 ANIONS BICARBONATE AS HC03 167.558 150.6 451.000 7.000 MG/L 24 OS/B7 09/99 <br />14 CARBONATE AS C03 15.160 49.0 190.000 -2.000 MGR- IS 05/67 09/99 <br />IS HYDROXIDE AS OH -2.000 0.0 -2.000 -2.000 MG/L 10 05/95 09/99 <br />16 SULFATE NOT APPLICABLE 1698.600 720.5 2552.000 43.000 MG/L 25 05/87 09/99 <br />17 PRIMARY CADMIUM DISSOLVED -0.320 0.6 0.500 -3.000 UG/L 25 05/87 09/99 <br />18 LEAD DISSOLVED ?6.000 61.1 100.000 ?00.000 UG/L 25 05/87 09/99 <br />19 MERCURY DISSOLVED -0.156 0.1 0.100 -0.200 UG/L 25 05/87 09/99 <br />20 SELENIUM DISSOLVED 10678280 53400.4 267000.000 -10.000 UG/L 25 05/87 09/99 <br />21 SECONDARY IRON DISSOLVED ?532.000 8565.3 31200.000 -100.000 UG/L 25 05/87 09/99 <br />22 TOTAL RECOV ?940.000 0.0 2940.000 2940.000 UG/L 1 10/93 10/93 <br />23 MANGANESE DISSOLVED 501.520 345.7 1390.000 -10.000 UG/L 25 05/87 09/99 <br />24 TRACE METAIS MOLYBDENUM DISSOLVED -31.600 26.2 20.000 -100.000 UG/L 25 05/87 09/99 <br />25 NUTRIENTS NITROGEN AMMIA-FREE 0.011 0.0 0.011 0.011 MG/L I 12/87 12/87 <br />26 AMMIUM-TOTAL 2.190 0.0 2.190 2.190 MG/L I 12/87 12/87 <br />27 NITRATE 0.000 0.0 0.130 -0.030 MG/L 25 05/87 09/99 <br />28 NITRITE -0.008 0.0 0.010 -0.010 MG/L 10 05/95 09/99 <br />29 N03+N02 0.002 0.0 0.140 -0.020 MG/L 25 05/87 09/99 <br />30 PHOSPHATE ORTHO-DISS 0.029 0.2 0.792 -0.020 MG/L 25 05/87 09/99 <br />TABLE 4A SITE: 068274C (006-82-74C, WADGE OVERBURDEN) <br />