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CYPRUS YAMP LEY COAL CORPORATION: MINE 1,2 AND ECK111AN PARK • <br />1998 ANNUAL H OLOGIC REPORT <br />SUMMARY OF WATER QUALITI' DATA summery of water quality dala.brw <br /> Average Std. Maximum Minimum Uail9 Couat Bxgio Ead <br />1 PHYSICAL PROPERTIES TEMPERATURE FIELD 12.733 4.9 22.000 1.400 DEGREES C 24 0593 0998 <br />2 CONDUCTIVI7"Y FIELD 4041.667 532.1 5060.000 2610.000 UMHOS/CM 24 05/93 09N8 <br />3 LAB 4353.889 241.0 3680.000 4010.000 UMHOS/CM 9 0595 0998 <br />4 PH FIELD 7.203 0,4 7.800 6.600 PH 24 0593 09/98 <br />5 LAB 7J75 OJ 7.700 7,100 PH 4 0697 0998 <br />6 ALKALD~ITY TOTAL 588.667 48.5 655.000 502,000 MG/L 9 0595 D998 <br />7 HARDNESS TOTAL 3334.444 1721,4 7910.000 2560,000 MG/L 9 0595 09/98 <br />B SOLmS DISSOLVED 4322.222 166.5 4590.000 4090.000 MG/1, 9 0595 09/98 <br />9 SUSPENDED 29.222 35.6 100.000 -5,000 A1G/L 9 0595 09/98 <br />10 OIL&CREASE VISU3L NOT APPLICABLE 2.000 0.0 2.000 2,000 UNDEFBVED 8 0593 0896 <br />11 CATIONS CALCIUM DISSOLVED 469322 28.6 522.D00 433.000 MG/L 9 0595 09/98 <br />12 MAGNESIUM DISSOLVED 525.667 425.9 1660.000 355.000 MG/L 9 05/95 0998 <br />Il SODIUIII DISSOLVED 217,922 733 286.000 53J00 MG/L 9 0595 09/98 <br />14 SAR NOT APPLICABLE 1,756 0.8 2.460 0.440 UNDEFINED 5 0995 1197 <br />IS ANIONS BICARBONATE AS HC03 714,067 58.5 786.000 612.000 51C/L 9 0595 0998 <br />16 CARBONATE AS C03 -2,000 0.0 -2.000 -2.000 MG/L 9 0595 0998 <br />17 HYDROXIDE AS OH -2.000 0.0 -2.000 -2.000 MG/L 9 0595 09/98 <br />l8 SULFATE NOT APPLICABLE 2597,778 216.1 2900.000 2300.000 M11C/L 9 0595 0998 <br />19 PRIMARY CADMIUM TOTAL -13.000 9.9 -6.000 -20.000 UG/L 2 0598 0998 <br />20 TOTAL RECOV -0357 0.4 0.500 -0.500 UG/L 7 05/95 1197 <br />21 MERCURY TOTAL -0.200 0.0 -0300 -0300 UC/L 2 0598 0998 <br />22 TOTAL RECOV -0300 0.0 -0300 -0.200 UC/L 7 05/95 1197 <br />23 SELENIUM TOTAL -1.000 0.0 -1,000 -1.000 UG/L 2 0598 09/98 <br />24 TOTAL RECOV 0.571 1.5 2,000 -1.000 UC/L 7 0595 11/97 <br />25 SILVER TOTAL -20.000 14.1 -10.000 -30.000 UG/L 2 0598 09/98 <br />26 SECONDARY SILVER TOTAL RECOV -0543 1J 0,900 -3.000 UG/L 7 0595 IIN7 <br />27 ZBVC TOTAL -35.000 21.2 -20.000 -50.000 UG/L 2 0598 0996 <br />28 TOTAL RECOV 21./29 36.7 70.000 -50.000 UG/L 7 05/95 1197 <br />29 IRON TOTAL 155.000 77.8 210.000 100.000 UG/L 2 0598 0998 <br />30 TOTAL RECOV 257,143 330.5 920.000 10.000 UG/L 7 0595 1197 <br />3l MANGANESE TOTAL 355.000 289.9 560.000 150.000 UG/L 2 0598 0998 <br />32 TOTAL RECOV 477.000 208.6 744.000 210.000 UG/L 7 0595 1197 <br />33 TRACE METALS 11fOLYBDENUM TOTAL -35.000 213 -20.000 -50.000 UG/L 2 0598 0998 <br />34 TOTAL RECOV -22.857 15.0 -10.000 -50.000 UC/L 7 0595 1197 <br />35 NUTRIENTS NITROGEN AMMiUM-TOTAL 0309 0.1 OJ80 0.060 MG/L 9 0595 0998 <br />36 AMMIA-FREE -0.028 0.0 -0.010 -0.050 MG/L 9 0595 09/98 <br />37 NITRATE 7J56 3.1 10.500 0.400 MC/L 9 0595 0996 <br />Sg NITRITE -0.041 0.0 -0.010 -0.100 MG/L 7 0995 0998 <br />M1BLE 40A SITE: OVBITD (ECKMAN PARK) <br />