REP47832

• Permit No: C1981071
• IBM Index Class Name: Report
• Doc Date: 7/8/1998
• Doc Name: 1997 AHR TABLE 28 TO TABLE 49
• Annual Report Year: 1997
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

TABLE: 29
CYPRUS YAMPA VALLEY COAL CORPORATION: MINE NO. 1, 2 AND ECKMAN PARK
1997 ANNUAL HYDROLOGY REPORT
WATER pUALITY MONITORING DATA
SITE: 68 (TROUT CREEK BELOW MIDDLE CREEK)
DATUM = 8886.44'
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.,:~~`.N OCT NOV DEC JAN FEB MAR APR MAY JUN

12-Jun-97 JUL
Jul-9
11 7 AUG
7- -97
Au SEP
-Se
11 97
Water Level -2.82 -1.23 -1.21 -0.89
Flow cfs 132.58 60.15 58.72 31.9
TEMPERATU FIELD DEGREES C 14.9 19.3 21.3 18.3
CONDUCTIVI FIELD UMHOS/CM 350 700 730 650
PH FIELD PH 8.51 8.32 8.61 8.72

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CONDUCTIVI LAB UMHOSICM 315 622 722 611
PH LAB PH 8.1 8.4 8.7 8.7
SOLIDS DISSOLVED MG/L 230 560 510 460
SOLIDS SUSPENDED MG/L 60 -5 20 8
ALKALINITY TOTAL MG/L 67 150 146 135
HARDNESS TOTAL MGlL 167 361 326 316
CALCIUM DISSOLVED MG/L 35.4 72.9 65.1 63.4
MAGNESIUM DISSOLVED MG/L 19 43.4 403 38.4
SODIUM DISSOLVED MGlL 6 13.6 12.2 11.5
SAR NOT APPLICABL UNDEFINED 0.2 0.31 0.29 0.28
SULFATE NOT APPLICABL MG/L 90 220 250 200
BICARBONAT A8 HCO3 MG/L 106 178 153 142
CARBONATE AS CO3 MG/L -2 2 13 11
HYDROXIDE AS OH MGIL -2 -2 -2 -2
CADMIUM TOTAL RECOV UG/L -0.5 -0.5 -0.5 -0.5
MERCURY TOTAL RECOV UG/L -0.2 -0.2 -0.2 -0.2
SELENIUM TOTAL RECOV UG/L -1 -1 -1 -7
SILVER TOTAL RECOV UG/L -0.5 -0.5 -0.5 -0.5
ZINC TOTAL RECOV UGIL 30 10 20 10
IRON TOTAL RECOV UG/L 3110 490 680 350
MANGANESE TOTAL RECOV UG/L 96 57 67 45
MOLVBDENU TOTAL RECOV UG/L -10 -10 -10 -10
NITROGEN AMMIUM-TOTAL MG/L 0.06 0.1 0.06 -0.OS
NITROGEN AMMIA-FREE MGIL -0.01 0.01 -0.01 -0.01
NITROGEN NITRATE MGIL -0.02 -0.02 -0.02 -0.02
NITROGEN NITRITE MG/L -0.Ot -0.01 -0.01 -0.01
NITROGEN NO3*NO2 MG/L -0.02 -0.02 -0.02 -0.02
PHOSPHATE ORTHO-DISS MG/L 0.013 -0.005 0.006 -0.005
I:\EN\ENVIRONMENTALW HR\1997\CYVCC.XLS