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 OP WATER QUALITY DATA
summary of water qualiry~ data-Ill.brw
CATEGORY PARAM1fETER ANALYS/S TYPE AVERAGE STD. DEV. MAXIMUM MINIMUM UNITS COUNT BEGIN END '
PHYSICAL PROPERTIES TEMPERATURE FIELD 12.53 1.92 15.00 10.00 DEGREES C 7 06/96 05/94
CONDUCTIVITY FIELD 3,68143 412.41 4,080.00 3,020.00 UMHOS/CM 7 06/96 05/99
LAB 4,043.33 60.28 4,100.00 3,980.00 UMHOS/CM 3 06197 09/98
PH FIELD 6.71 0.29 7.25 6.40 PH 7 06/96 05/99
LAB 6.97 0.25 7.20 6.70 PH 3 06/97 09/98
ALKALMITY TOTAL 705.67 43.25 746.00 660.00 MG/L 3 06/97 09/98
HARDNESS AS CAC03 4,890.00 3,185.77 8,550.00 2,740.00 MG/L 3 06/97 09/98 '
SOLIDS SUSPENDED 31.33 27.15 60.J0 6.00 MG/L 3 06/97 09/98
TOTAL-DI58 4,146.67 170.10 4,320.00 3,980.00 MG/L 3 06/97 09/98
CATIONS CALCIUM DISSOLVED 584.67 67.83 656.)0 521.00 MG/L 3 06/97 09/98
MAGNESIUM DISSOLVED 834.67 776.26 1,730.00 350.00 MG/L 3 06/97 09/98
SODIUM DISSOLVED 38.93 1.97 41.20 37.60 MG/L 7 06/97 09/98
SAR NOT APPLICABLE 0.31 0.00 0.31 0.31 UNDEFINED I 06/97 06/97
ANIONS BICARBONATE AS HC03 861.00 52.85 910.00 805.00 MG/L 3 06/97 09/98
CARBONATE AS C03 0.00 0.00 0.00 0.00 MG/L 7 06/97 09/98
FIYDROXIDE AS OH 0.00 0.00 0.00 0.00 MG/L 3 06/97 09/98
SULFATE NOT APPLICABLE 2,716.67 86.22 2,410.00 2,240.00 MG/L 3 06/97 09/98
PRIMARY CADMIUM TOTAL 3.50 4.95 7.00 0.00 UG/L 2 05/98 09/98
TOTAL RECOV 0.00 0.00 0.110 0.00 UG/L I 06/97 06/97
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 I 06/97 06/97
SELENIUM TOTAL 0.00 000 0.00 0.00 UG/L 2 05/98 09/98
TOTAL RECOV 0.00 0.00 0.00 0.00 UG/L I 06/97 06/97
SILVER TOTAL 0.00 0.00 0.00 0.00 UG/L 2 05/98 09/98
SECONDARY SILVER TOTAL RECOV 0.70 0.00 0.70 0.70 UG/L I 06/97 06/97
ZMC TOTAL 0.00 0.00 0.00 0.00 UG/L 2 05/98 09/98
TOTAL RECOV 40.00 0.00 40.00 40.00 UG/L I 06/97 06/97
IRON TOTAL 1,895.00 2,029.40 3,330.00 460.00 UG/L 2 05/98 09/98
TOTAL RECOV 270.00 0.00 270.00 270.00 UG/L 1 06/97 06/97
MANGANESE TOTAL 2,805.00 1,562.71 3,910.00 1,700.00 UG/L 2 05/98 09/98
TOTAL RECOV 1,960.00 0.00 1,960.00 1,960.00 UG/L I 06/97 06/97
TRACE METALS MOLYBDENUM 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 1 06/97 06/97
NUTRIENTS NITROGEN AMMIUM-TOTAL 0.32 0.01 0.33 0.32 MG/L 3 06/97 09/98
AMMIA-FREE 0.00 0.00 0.90 0.00 MG/L 3 06/97 09/98
NITRATE 0.24 0.33 0.61 0.00 MG/L 3 06/97 09/98
NITRITE 0.00 0.00 0.00 0.00 MG/L 3 06/97 09/98
N03+N02 0.24 0.33 0.61 0.00 MG/L } 06/97 09/98
TA RfE 38A SITE: 1860220 (SPOIL SPRFNG B-2 ~1860220~, ECKMAN PARK)