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CYPRUS YAM~LLEY COAL CORPORATION: MINE 1, 2 AND ECKMAN PARK <br />1998 ANNUAL HYDROLOGIC REPORT <br />SUMMARY OF WATER QUALITY DATA <br />sum mary of water quality dah.brw <br /> Average Std. Maximum Minimum Units Couot Begin Eod <br />1 PHYSICAL PROPERTIES TEMPERATURE FIELD 10.175 4.4 20.000 0.800 DEGREES C 146 IIB3 09N8 <br />2 CONDUCTMTY FIELD 2310.199 755.7 3700.000 598.000 UMHOS/CM 146 IIB3 09/98 <br />3 LAB 2357.295 766.1 3960.000 718.000 UMHOS/CM 44 IOB6 OSNB <br />4 PN FIELD 735d 0.4 8.780 6.400 PH 146 11/83 09/98 <br />5 LAB 7.489 ~ 0.6 8.100 6.600 PH 9 IOB6 08N8 <br />6 ALKALINITY TOTAL 302.591 85.4 534.000 (39.000 MC/L 44 IOB6 08/98 <br />7 HARDNESS TOTAL 961.200 3963 1948.000 177.000 MG/L 50 IIB3 08N8 <br />8 SOLIDS DISSOLVED 2044.471 757.8 3648.000 524.000 MG/L 51 IIB3 08N8 <br />9 SUSPENDED 486.000 0.0 486.000 466.000 MG/L 1 06N1 06/91 <br />10 CATIONS CALCNM DISSOLVED 192.831 88.0 401.000 33.000 MG/L 51 IIB3 OBNB <br />11 MAGNESNM DISSOLVED 114.055 46.9 230.000 23.000 MG/L 51 1163 08P98 <br />12 SODIUM DISSOLVED 264.706 86.4 467.000 74.000 MG/L 51 11/83 08/98 <br />13 SAR NOT APPLICABLE 3.966 0.7 5.130 1.930 UNDEFINED 49 IIB3 OSNB <br />14 ANIONS BICARBONATE AS HCO3 377.872 108.7 651.000 169.000 MG/L 55 IIB3 OSNB <br />IS CARBONATE AS CO3 0.652 6.2 24.000 -2.000 MG/L 23 02N1 08/98 <br />16 HYDROXIDE AS OH -1.867 0.5 0.000 -2.000 MG/I, IS 08/94 08N8 <br />17 CHLORIDE NOT APPLICABLE 17.800 8.6 27.000 10.000 MG/L 5 IIB3 OIB7 <br />18 SULFATE NOT APPLICABLE 1211.236 505.5 2220.000 150.000 MG/L 55 1163 08N8 <br />19 PRIMARY ARSENIC DISSOLVED 0.750 2.5 4.000 -2.000 UG/L B IIB3 0489 <br />20 CADMIUM DISSOLVED 0.441 6.9 45.000 -5.000 UG/L 49 IIB3 OSNB <br />21 TOTAL RECOV 1.800 0.0 1.800 1.800 UG/L I 06N1 06/91 <br />22 LEAD DISSOLVED -17.561 40.9 180.000 -80.000 UC/L 41 0467 08/98 <br />23 MERCURY DISSOLVED -0.173 0.2 0.600 -1.000 UG/L 49 IIB3 08N8 <br />24 TOTAL RECOV -0.100 0.0 -0.100 -0.100 UG/L I 06N1 06/91 <br />25 SELENNM DISSOLVED -0.698 1.1 3.000 -5.000 UC/L 49 IIB3 08N8 <br />26 TOTAL RECOV 1.000 0.0 1.000 1.000 UG/L 1 06N1 06N7 <br />27 SECONDARY SILVER TOTAL RECOV -0.500 0.0 -0.500 -0.500 UG/L 1 06N1 06N1 <br />28 ZINC DISSOLVED 1137.250 2729.9 7850.000 -5.000 UG/L 8 IIB3 0489 <br />29 TOTAL RECOV 2460.000 0.0 2460.000 2460.000 UG/L 1 06NI 06/91 <br />30 IRON DISSOLVED 3145.294 5760.5 25000.000 -20.000 UG/L 51 1163 08N8 <br />31 TOTAL RECOV 9320.000 0.0 9320.000 9320.000 UG/L I 06/91 06N1 <br />32 MANGANESE DISSOLVED 1648340 1175.9 6800.000 120.000 UG/I. 50 IIB3 08/98 <br />33 TOTAL RECOV (230.000 0.0 1230.000 1230.000 UG/L 1 06/91 06/91 <br />34 TRACE METALS MOLYBDENUM DISSOLVED -37317 39.2 10.000 -250.000 UC/L 41 O4B7 08/98 <br />35 TOTAL RECOV -50.000 0.0 -50.000 -50.000 UG/L 1 06N1 06NI <br />36 NUTRIENTS NITROGEN AMMNM-TOTAL 1.775 3.4 18.000 -0.020 MC/L 45 04/84 08N8 <br />}7 AMM1A-FREE 0.022 0.1 0.850 -0.050 MG/L 42 IIB3 08N8 <br />3g NITRATE 0.078 0.2 1.060 -0.020 MG/L 43 10/86 08N8 <br />• <br />TABLE I3A SITE: 06AW2 (006-AW-2, FISH CREEK ALLUVIUM) <br />