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<br />TABLE: 10 <br />CYPRUS YAMPA VALLEY COAL CORPORATION: FOmEL CREEK MINE <br />1998 ANNUAL HYDROLOGY REPORT <br />WATER QUALITY MONITOROVG DATA <br />SITE: FBRIIB (Well FBR-l1-B) <br /> <br />DATUM= 6673.34' <br />Fkldj'%•s%~~;;i.%";'::~;%''-:: :~z,::.:(:(:'> <br />Perim ten„Lii/ircr,:az2<ty,:.,?:::..::a %<a~<:~:%:';z`;'; OCT NOV DEC JAN FEB MAR APR <br />30-A r-98 MAY JUN JUL AUG SEP <br />17Se 98 <br />Elevation (ft stave msl) 6695.50 6727.75 <br />Water Level -25.5 -57.75 <br />TEMPERATURE FIELD DEGREES C 10.2 10.9 <br />CONDUCTIVITY FIELD UMHOSICM 900 870 <br />PH FIELD PH 9.34 9.24 <br />:r: <br />A>rrnrul.. <br />,.. <br />CONDUCTIVITY LAB UMHOSlCM 881 803 <br />PH LAB PH 9.1 9.3 <br />SOLIDS DISSOLVED MG/L 500 450 <br />ALKALINITY TOTAL MG/L 367 335 <br />HARDNESS TOTAL MG1L 4 4 <br />CALCIUM DISSOLVED MGIL 1.3 1 <br />MAGNESIUM DISSOLVED MG/L 0.3 <br />SODIUM DISSOLVED MGIL 205.0 190 <br />SAR NOT APPLICABLE UNDEFINED 42.6 43.3 <br />SULFATE NOT APPLICABLE MG/L 90 80 <br />BICARBONATE AS HCO3 MGIL 370 311 <br />CARBONATE AS CO3 MG/L 38 48 <br />HYDROXIDE AS OH MG/L -2 -2 <br />CADMIUM DISSOLVED UGIL 3.2 -0.5 <br />LEAD DISSOLVED UG/L -40 ~0 <br />MERCURY DISSOLVED UG/L -0.2 -0.2 <br />SELENIUM DISSOLVED UG/L -I -1 <br />IRON DISSOLVED UGIL ~ I20 130 <br />MANGANESE DISSOLVED UGlL 0 -5 <br />MOLYBDENUM DISSOLVED UGlL -10 -10 <br />NITROGEN NITRATE MGIL 0.03 -0.02 <br />NITROGEN NITRITE MG/L -0.01 -0.01 <br />NITROGEN NO3+NO2 MG/L 0.03 -0.02 <br />PHOSPHATE ORTHO-DISS MGIL 0.009 0.011 <br />I.LSPR£1DSFMfIX~'I[r191WELL JILS <br />