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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 Std. Maximum Minimum DnltS Counl Begin End <br />I PHYSICAL PROPERTIES TEMPERATURE FIELD 10.276 2.7 14.100 3.000 DEGREESC IS 12/91 08/99 <br />2 CONDUCTIVITY FELD 2833.333 665.5 3750.000 2080.000 UMHOS/CM 18 12/91 08/99 <br />3 LAB ?696.667 649.4 37?0.000 2020.000 UMHOS/CM 9 04/96 08/99 <br />4 PH FELD 6.826 0.3 7.500 6.390 PH IS 12/91 08/99 <br />5 LAB 6.971 0.3 7.700 6.700 PH 7 05/97 08/99 <br />6 ALKALINfiY TOTAL 638.889 69.1 719.000 568.000 MG/L 9 04/96 08/99 <br />7 HARDNESS AS CAC03 1968.889 586.9 2550.000 1250.000 MG/L 9 01/96 08/99 <br />B SOLIDS TOTAL-DISS 2823.333 103?.4 3910.000 1640.000 MG/L 9 04/96 08/99 <br />9 OIL&GREASE VISIBLE NOT APPLICABLE 2.000 0.0 2.000 2.000 UNDEFINED I I?/91 1'J91 <br />10 CATIONS CALCIUM DISSOLVED 379.889 109.9 495.000 247.000 MG/L 9 04/96 08/99 <br />11 MAGNESIUM DISSOLVED 247.667 76.2 323.000 154.000 MG/L 9 03/96 08/99 <br />12 SODIUM DISSOLVED 68.144 44.4 140.000 23.800 MG/L 9 04/96 08/99 <br />IJ SAR NOT APPLICABLE 0.638 0.4 1.270 0.290 UNDEFINED 9 04/96 08/99 <br />14 ANIONS BICARBONATE AS HC03 779.556 84.4 877.000 693.000 MG/L 9 04/96 08/99 <br />IS CARBONATE AS C03 -2.000 0.0 -2.000 -2.000 MG/L 9 04/96 08/99 <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 1457.778 604 4 2030.000 780.000 A1G/L 9 04/96 OB/99 <br />IS PRIMARY CADMIUM DISSOLVED -0.778 0.8 -0.500 -3.0(10 UG/L 9 04/96 08/99 <br />l9 LEAD DISSOLVED -50.000 66.0 50.000 -200.000 UG/L 9 04/96 08/99 <br />20 MERCURY DISSOLVED -0.200 0.0 -0.200 -0.200 UG/L 9 04/96 08/99 <br />21 SELENIUM DISSOLVED 1.889 3.1 6.000 1.000 UG/L 9 04/96 08/99 <br />22 SECONDARY IRON DISSOLVED LIII 40.8 70.000 -SO.OW UG/L 9 04/96 08/99 <br />23 MANGANESE DISSOLVED 1001.889 948.1 1900.000 -5.000 UG/L 9 04/96 08/99 <br />24 TRACE METALS MOLYBDENUM DISSOLVED -17.778 13.0 -10.000 -50.000 UG/L 9 04/96 08/99 <br />25 NUTRIENTS NITROGEN AMMIA-FREE -0.004 0.1 0.140 0.050 MG/L 9 05/96 08/99 <br />26 AMMIUM-TOTAL 0.256 0.5 1.350 -0.050 h1G/L 9 04/96 08/99 <br />27 NITRATE 33.984 82.4 25;,000 1.870 MG/L 9 04/96 08/99 <br />28 NfTRITE -0.010 OA -0.010 -0.010 MG/L 9 04/96 08/99 <br />29 N03+N02 33.984 82.4 :53,000 1.870 MG/L 9 04/96 08/99 <br />30 PHOSPHATE ORTHO-DISS -0.002 0.0 0.010 -0.0(15 h1G/L 9 04/96 08/99 <br />TABLE 14A SITE: 265P1 (026-SP-I, SPOIL) <br />