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~LEY COAL CORPORATION: MINE NO. 1, 2, AND ECKMAN PARK •
2000 ANNUAL HYDROLOGIC REPORT
SUMMARY OF WATER QUALITY DATA
summary of water quality data-Ill.brw
CATEGORY PARAMETER ANALYSIS TYPE AVERAGE STD. DEV. MAXIMUM MINIMUM UNITS COUNT BEGIN END
PHYSICAL PROPERTIES TEMPERATURE FIELD 10.14 2.57 16.00 2.00 DEGREES C 68 05/86 OB/00
CONDUCTIVITY FIELD 3,408.86 400.88 4,780.00 2,150.00 UMHOS/CM 69 05/86 08/00
LAB 3,359.19 472.64 4,060.00 2,420.00 UMHOS/CM 26 05/87 OS/00
PH FIELD 6.83 0.29 7.70 6.30 PH 69 05/86 OS/00

ALKALINITY LAB
TOTAL 6.89
579.39 0.25
121.74 7.30
725.00 6.60
194.00 PH
MG/L 8
23 06/97
05/87 OS/00
05/99
HARDNESS AS CACO3 2,615.96 484.50 3,850.00 1,956.00 MG/L 23 05/86 II/98
SOLIDS SUSPENDED 4.85 6.93 32.00 0.00 MG/L 26 05/86 OS/00 7
TOTAL-DISS 3,405.78 425.71 4,040.00 2,724.00 MG/L 27 05/86 OS/00
CATIONS CALCIUM DISSOLVED 539.74 67.09 724.00 429.00 MG/L 27 05/86 OS/00
TOTAL RECOV 495.88 19.39 520.00 474.00 MG/L 8 05/87 I OI88 1
MAGNESIUM DISSOLVED 310.89 BI.37 611 f10 21500 MG/L 27 05/86 05/00
TOTAL RECOV 25038 14.13 270.00 224.00 MG/L 8 05/87 10/88
SODIUM DISSOLVED 41.39 5.72 57.80 31.00 MG/L 26 05/86 OS/00

POTASSIUM TOTAL RECOV
DISSOLVED 42.13
7.00 4.73
0.00 49.110
700 36.00
7.00 MG/L
MG/L 8
I 05/87
05/86 10/88
05/86
SAR NOT APPLICABLE 0.36 0.06 0.47 0.23 UNDEFMED 22 05/86 05/99 '
ANIONS BICARBONATE AS HCO3 714.67 140.99 884.00 237.00 MG/L 27 05/g6 OS/00
CARBONATE AS CO3 0.00 0.00 0.00 0.00 MG/L 13 05/93 05/00
HYDROXIDE AS OH 0.00 0.00 0.00 0.00 MG/L 9 05/95 05/99
CHLORIDE NOT APPLICABLE 8.00 0.00 8.00 8.00 MG/L I 05/86 05/86
SULFATE NOT APPLICABLE 2,012.63 262.07 2,670.00 1,609.00 MG/L 27 05/86 OS/00
PRIMARY CADMIUM TOTAL
TOTAL RECOV 4.00
0.18 5.66
0.21 6.00
0.60 0.00
0.00 UG/L
UG/L 2
25 05/98
05/86 09/98
05/00 ~~
LEAD TOTAL RECOV 0.00 0.00 000 0.00 UG/L I OSI86 OS/86
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 25 05/86 05/00 l
SELENIUM TOTAL 0.00 0.00 0.00 0.00 UG/L 2 05/98 09/98
TOTAL RECOV 0.20 0.82 4.00 0.00 UG/L 25 05/86 OS/00
SILVER TOTAL 0.00 0.00 0.00 0.00 UG/L 2 05/98 09/98 '
SECONDARY SILVER TOTAL RECOV 0.20 0.33 0.90 0.00 UG/L 25 05/86 OS/00
COPPER TOTAL RECOV 2.00 0.00 2.00 2.00 UG/L I 05/86 05/86
ZMC TOTAL 30.00 0.00 30.00 30.00 UG/L 2 05/98 09/98
TOTAL RECOV 31.96 14.39 60.00 0.00 UG/L 25 05/86 OS/00
IRON TOTAL 155.00 77,78 210.00 100.00 UG/L 2 05/98 09/98
TOTAL RECOV 168.60 216.70 720.00 0.00 UG/L 25 05/86 05/00
MANGANESE DISSOLVED 2,135.00 778.07 2,680.00 300.00 UG/L 8 03/88 10/89
TOTAL 1,880.00 1414 1,890.00 1,870.00 UG/L 2 05!96 09/98
TABLE 33A SITE: 1860310 (SPOIL SPRING C-1 )1860310), ECKMAN PARK)