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TABLE: 35 CYPRUS YAMPA VALLEY COAL CORPORATION: MINE N0. 1, 2 AND ECKMAN PARK 1998 ANNUAL HYDROLOGY REPORT WATER QUALITY MONITORING DATA SFFE: Spring 1860400 N COMP) DATUM ° 6960.00' Blf~S,[ss3>3'<i~%;::~`:>:i~~i::~~~<::~~:.::;~`;~~.~:~::~<: ~:~~~•~.~:~: 7Xr'd1GRtffY~.`«`''?::;.>%:::.`::.~~!j:::~_:'::~:::~~ :::::::::::::'::?.:~:::.''~ OLT NOV 03-Nov-97 DEC JAN FEB MAR 02-Mar-98 APR 13-A r-98 MAY 27-Me -98 JUN 29-Jun-98 IUL AUC SEP 10-Se 98 Weter Level -0.32 -0.29 -0i •0.19 -0.57 -0.36 Flow (cfs) 0.0368 1.6 0.69 TEMPERATURE FIELD DEGREES C 8.4 6.3 9.1 15 16 13 CONDUCITVITY FIELD UMHOS/CM 3770 3680 3420 3800 3700 3060 PH FIELD PH 7.33 7.2 7.19 7.3 6.9 7.1 l:+tbn^s«s: k>t ...dx........,, .. ........:..........:. ........... ..:......:........:.... CONDUCTIVITY LAB UMHOS/CM 3860 3940 4010 PH LAB PH 7 7 7.6 7.4 SOLIDS DISSOLVED MG/L 3850 3980 3990 SOLIDS SUSPENDED MG/L •6 -6 B ALKALINITY TOTAL MG/L 653 676 659 HARDNESS TOTAL MG/L 3090 ~ 4090 2690 CALCRJM DI8SOLVED MG/L 655 545 520 MAGNESIUM DISSOLVED MG/L 353 664 ll8 SODRIM DISSOLVED MG/L 40.8 38.8 35.9 SAR NOT APPLICABLE UNDEFINED 0.32 SULFATE NOT APPLICABLE MG/L 2360 2330 2260 BICARBONATE AS HCO3 MG/L 796 825 804 CARBONATE AS CO3 MG/L -2 -2 -2 HYDROXIDE AS OH MG/L -2 -2 -2 CADMRIM TOTAL RECOV UG/L -0.6 -6 fi MERCURY TOTAL RECOV UG/L -0.2 -0.2 -0.2 SELENRIM TOTAL RECOV UG/L -1 -1 -1 SD.VER TOTAL RECOV UG/L 0.8 -10 -10 ZD4C TOTAL RECOV UG/L 20 -20 -20 IRON TOTAL RECOV UG/L 230 110 260 MANGANESE TOTAL RECOV UG/L 1390 1020 1420 MOLYBDENUM TOTAL RECOV UG/L -20 -20 .2p MTROGEN AMMRJM-TOTAL MG/L 0.34 0.25 0.4 MTROGEN AMMIA-FREE MG/L -0.01 -0.01 -0.OI MTROGEN MTRATE MG/L 0.14 0.27 0,09 NITROGEN MTRITE MG/L -0.01 -0.01 -001 NITROGEN NO3+NO2 MG/L 0.14 0.23 p.09 PHOSPHATE ORTHO•DISS MG/L -0.005 -0.005 0.01 i~~uv~aoxi.nxrntwm~ro9r ~nvccxis