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CYPRUS YAMPA~LLEY 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-1l.brw <br /> Average Std. Maximum Minimum UnllS Count Begin End <br />1 PHYSICAL PROPERTIES TEMPERATURE FIELD 10.611 2.2 13.800 5.000 DEGREESC IS 12/91 08/99 <br />2 CONDUCTIVITY FIELD 3083.889 II80.1 4270.000 940.000 UMHOS/CM IS 12/91 08/99 <br />3 LAB 2483.778 14350 4370.000 8?2.000 UMHOS/CM 9 04/96 08/99 <br />4 PH FIELD 7.009 0.2 7.390 6.770 PH 18 12/91 08/99 <br />5 LAB 7.100 0.1 7.800 6.900 PH 7 05/97 08/99 <br />6 ALKALINITY TOTAL 551.111 109.6 679.000 390.000 MGlL 9 04196 08/99 <br />7 HARDNESS AS CAC03 1913000 12244 ?500.000 518.000 MG/L 9 0.1/96 08/99 <br />8 SOLIDS TOTAL-DISS 2576.667 1779.5 4920.000 550.000 MG/L 9 04/96 08/99 <br />9 OIL&GREASE VISIBLE NOT APPLICABLE 2.000 0.0 2.000 2.000 UNDEFINED 2 12/91 02/92 <br />]0 CATIONS CALCIUM DISSOLVED 301.556 174.9 533.000 102.000 MG/L 9 04/96 OR/99 <br />11 MAGNESIUM DISSOLVED 282.111 1916 527.000 64.000 MG/L 9 04/96 08/99 <br />12 SODIUM DISSOLVED 21.878 12.3 37.000 7.600 MG/L 9 04/96 08/99 <br />13 SAR NOT APPLICABLE 0.'_10 0.1 0.260 0.140 UNDEFINED 9 04/96 08/99 <br />14 ANIONS BICARBONATE AS HC03 672.886 133.6 829.000 476.000 MG/L 9 04/96 08/99 <br />IS CARBONATE AS C03 -2.000 0.0 -2.000 -2.000 h1G/L 9 04196 OS199 <br />16 HYDROXIDE AS OH -2.000 0.0 -2.000 -2.000 MG/L 9 04/96 08/99 <br />17 SULFATE NOT APPLICABLE 1531.111 964.0 2670.000 540.W0 MG/L 9 04/96 08/99 <br />IB PRIMARI' CADMIUM DISSOLVED -0.778 11.8 -0.500 -3.000 UG/L 9 04/96 08/99 <br />19 LEAD DISSOLVED -38.889 46.5 70.000 -100.000 UC/L 9 04/96 08/99 <br />20 MERCURY DISSOLVED -0200 0.0 -0.200 -0.200 UG/L 9 04/96 08/99 <br />21 SELENIUM DISSOLVED 3.000 2.1 6.000 1.000 UG/L 9 04/96 08/99 <br />22 SECONDARY IRON DISSOLVED 12.222 61.8 160.000 -50.000 UG/L 9 04/96 08/99 <br />23 MANGANESE DISSOLVED -5444 7.9 6.000 -20.000 UG/L 9 04/96 08/99 <br />24 TRACE METALS MOLYBDENUM DISSOLVED -15.556 7.3 -10.000 -30.000 UG/L 9 04196 08/99 <br />25 NUTRIENTS NITROGEN AMMIA-FREE -0.002 0.1 0.180 -0.050 MG/L 9 04/96 08/99 <br />26 AMMIUM-TOTAL 0.042 0.1 0.350 -0.050 MG/L 9 04/96 08/99 <br />27 NITRATE 2.281 0.9 3.800 1.240 MG/L 9 04/96 08/99 <br />28 NITRITE -0.008 0.0 0.010 -0.010 h1G/L 9 04/96 US/99 <br />29 N03+N02 2.282 0.9 3.810 1.240 h1G/L 9 04/96 08/99 <br />30 PHOSPHATE ORTHO-DISS 0.005 0.0 0.044 -0.005 MG/L 9 04/96 08/99 <br /> <br />TABLE 16A SITE: 026SP3 (026-SP-3, SPOIL) <br />