REP36671

• Permit No: C1981071
• IBM Index Class Name: Report
• Doc Date: 2/2/2001
• Doc Name: 2000 AHR TABLE 25 TO TABLE 45
• Annual Report Year: 2000
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

CYPRUS YAMPA~j,EV COAL CORPORATION: M111NE NO. 1.2, AND ECKM1IAN PARK •
2000 ANNUAL HYDROLOGIC REPORT
SUMMARY OF WATER QUALITI' DATA

summary of water quality data-Ill.brw
CATEGORY PARAMETER ANALYSIS TYPE AVERAGE STD. DEV. MAXIMUM1I MINIMUM UNITS COUNT BEGIN END
PHYSICAL PROPERTIES TEMPERATURE FIELD 11.47 3.51 20.00 4.00 DEGREES C 29 05/86 05/99
CONDUCTIVITY FIELD 3,514.48 396.80 4,170.00 2,770.00 UMHOS/CM 29 05/86 05/99
LAB 3,859.29 328.89 4,130.00 3,190.00 UMHOS/CM 7 05/95 05/99
PH FIELD 6.83 0.38 7.81 6.10 PH 29 05/86 05/99
LAB 7.00 0.24 7.20 6.70 PH 4 06/97 05/99
ALKALINITY TOTAL 671.50 58.23 729.00 56600 MG/L B 05/88 05/99
HARDNESS AS CACO3 3,883.33 2,464.32 8,890.00 2,650.00 MG/L 6 05/95 09/98
SOLIDS SUSPENDED 55.43 110.07 304.00 0.00 MG/L 7 05/95 05/99
TOTAL-DISS 4,062.86 207.58 4,350.00 3,700.00 MG/1, 7 05/95 05199
CATIONS CALCIUM DISSOLVED 572.43 41.08 645.00 525.00 MG/L 7 05/95 05/99
TOTAL RECOV 484.00 0.00 484.00 484.00 MG/l, I 05/88 OS/R8
MAGNESIUM DISSOLVED 572.14 551.44 1,820!)0 320.00 MG/L 7 05/95 05/99
TOTAL RECOV 262.00 0.00 262110 262.00 MG/L 1 05/88 OS/88
SODIUM DISSOLVED 38.80 2.81 42.80 35.00 MG/L 7 05/95 05/99
TOTAL RECOV 45.00 0.00 45.00 45.00 MG/L I OS/88 05/88
SAR NOT APPLICABLE 0.J3 0.04 041 0.30 UNDEFINED 6 OS/88 05/99
ANIONS BICARBONATE AS HCO3 816.28 73.54 889.00 691.00 MG/L 8 OS/88 05/99
CARBONATE AS CO3 0.00 0.00 0.90 0.00 MG/L 7 05/95 05/99
HYDROXIDE AS OH 0.00 0.00 0.70 0.00 MG/L 7 05/95 05/99
CHLORIDE NOT APPLICABLE II.00 0.00 11.00 II.00 MG/L I 05/88 OS/SR
SULFATE NOT APPLICABLE 2,288.75 158.51 2,460.00 2,000.00 MG/L 6 OS/SR 05/99
PRIMARY CADMIUM TOTAL 3.50 4.95 7.00 0.00 UG/L 2 05/98 09/98
TOTAL RECOV 0.00 0.00 0.(10 0.00 UG/L 5 05/95 05/99
MERCURY TOTAL 0.00 0.00 0.00 0.00 UG/L 2 05/98 09/98
TOTAL RECOV 0.00 0.00 0.00 0.00 UG/L 5 05/95 05/99
SELENIUM TOTAL 0.00 0.00 0.00 0.00 UG/L 2 05/98 09/98
TOTAL RECOV 0.00 0.00 0.00 0.00 UG/L 5 05/95 05/99
SILVER TOTAL 0.00 0.00 0.00 0.00 UG/L 2 05/96 09/9R
SECONDARY SILVER TOTAL RECOV 0.16 0.36 0.80 0.00 UG/L 5 05/9$ 05/99
ZINC TOTAL 0.00 0.00 0.00 0.00 UG/L 2 05/98 09/98
TOTAL RECOV 20.00 12.25 30.00 0.00 UG/L 5 05/95 05/99
IRON TOTAL 715.00 869.74 1,330.00 100.00 UG/L 2 05/98 09/98
TOTAL RECOV 616.67 914.67 2,260.00 0.00 UG/L 6 05/88 05/99
MANGANESE TOTAL 1.795.00 148 49 1,900.00 1,690.00 UG/L 2 05/98 09/96
TOTAL RECOV 1,776.67 256.10 1,980.00 1,290.00 UG/L 6 05/88 05/99
TRACE METALS MOLYBDENUM TOTAL 0.00 0.00 0.00 000 UG/L 2 05/98 09/98
TOTAL RECOV 0.00 0.00 0.00 0.00 UG/L 5 05/95 05/99
NUTRIENTS NITROGEN AMMIUM-TOTAL 0.39 0.32 1.05 0.00 MG/L 7 05/95 05/99
TABLE 39A SITE: 1860230 (SPOIL SPRING B-3 ~1860230~, ECKMAN PARK)