REP46967

• Permit No: C1981071
• IBM Index Class Name: Report
• Doc Date: 6/15/1999
• Doc Name: 1998 AHR LIST OF TABLES TO TABLE 29
• Annual Report Year: 1998
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

• •
TABLE: 13
CYPRUS YAMPA VALLEY COAL CORPORATION: MINE 1, 2 AND ECKMAN PARK MBVE
1998 ANNUAL HYDROLOGY REPORT
WATER QUALITY MONITORING DATA
SITE: 06A7J (We11006-AZ3)
DATUM= 6749.6'
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- OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUC SEP
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1 Oct-97
a-
0 Nov-97
4'
O8-Dec-97
19-Jan-98
19-Feb-98
03-Mar-98
13-A r-98
20-Ma -98
09-Jun 98
- -lul-
13 98 07-Au -
98 14-Sc
98
Elevation (ft above msl) 6741.99 6741.06 6740 88 6742 49 6742.79 6742.98 6744.38 6743.83 6742.86 6741.85 6741.53 6741.26
Water Level 7.58 8.51 8.69 7.08 6 78 6.59 5.19 5.74 6.71 7.72 8.04 8.31
TEMPERATURE FIELD DEGREES C 10.7 9.4 9.3 5.4 5 2 4.6 5.2 7.4 7.7 10.7 10.2 10.4
CONDUCTIVITY FIELD UMHOS/CM 1410 1570 1510 1680 1290 1570 1580 1520 1470 1050 1650 1630
PH FIELD PH 757 7.56 7.34 7.35 8.11 7.42 7.25 7.31 7.18 8.02 7.50 747
Pon ®e I Fti'. ~:' ::::":: ~: ~:':':: ~:: ~'.': ~' ~:: ~:' ~' ~::: ~::::'::.';";:::":'':'::':::::':
CONDUCTIVITY LAB UMHOS/CM 1530 1510 1400 1570
PH LAB PH 7.6 75 77 7.6
SOLIDS DISSOLVED MG/L 1150 1060 990 1230
ALKALINITY TOTAL MG/L 332 330 341 342
HARDNESS TOTAL MG/L 675.0 608 576 648
CALCIUM DISSOLVED MG/L 170 142 136 151
MAGNESIUM DISSOLVED MG/L 60.9 61.5 57.4 657
SODIUM DISSOLVED MG/L 130 138 134 145
SAR NOT APPLICABLE UNDEFINED 2.2 246 2.46 2.51
SULFATE NOT APPLICABLE MG/1, 540 550 460 590
BICARBONATE AS HC03 MG/L 404 403 416 417
CARBONATE AS C03 MG/L -2 -2 -2 -2
HYDROXIDE AS OH MG/L -2 -2 -2 -2
CADMIUM DISSOLVED UG/L -0.5 -0.5 -0.5 -0.5
LEAD DISSOLVED UG/L -40 -40 -40 -40
MERCURY DISSOLVED UG/L -0.2 -0.2 -0.2 -0.2
SELENIUM DISSOLVED UG/L -1 -I -I -1
IRON DISSOLVED UG/L 60.00 260 150 670
MANGANESE DISSOLVED UG/L 156 139 155 136
MOLYBDENUM DISSOLVED UG/L -10 -10 -10 -10
NITROGEN AMMIUM-TOTAL MG/L 1.27 1.25 106 3
NITROGEN AMMIA-FREE MG/L -0.01 -0.01 -001 0.01
NITROGEN NITRATE MG/L 0.19 0.07 0.26 0.87
NITROGEN NITRITE MG/L 0.01 0.02 002 0.14
NITROGEN NO3+N02 MG/L 0.2 009 0.28 1.01