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• <br />TABLE: 4 <br />CYPRUS YAMPA VALLEY COAL CORPORATION: MINE 1, 2 AND ECKMAN PARK MINE <br />1998 ANNUAL HYDROLOGY REPORT <br />WATER QUALFFY MONITORING DATA <br />SITE: 068274C (We11006-82-71C) <br /> <br />DATUM = 6840.61' <br />--'' - .~ :... .:.....:::::'!.; OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUC SEP <br />PlranteletY :" --~" - - - ..... i~'; 22-Ma -98 17-Se -98 <br />Elevation (ft above msl 6668.32 6884.82 <br />Water Lcvel -27.71 -44.21 <br />TEMPERATURE FIELD DEGREES C 10.3 10 <br />CONDUCTIVITY FIELD UMHOS/CM 1690 2210 <br />PH FIELD PH 9.1 9.33 <br />Pero®eier#~ r'.:::j:':r.l;:':".'::S::~:1:::::::~r?:Sr;:::'?:i:~5r:::::r1':~:~:~'i:~:r <br />CONDUCTIVITY LAB UMHOS/CM 2420 2160 <br />PH LAB PH 9 9.2 <br />SOLIDS DISSOLVED MG/L 1620 1410 <br />ALKALINITY TOTAL MG/L 75 108 <br />HARDNESS TOTAL MG/L 1240 105 <br />CALCIUM DISSOLVED MG/L 447 6.1 <br />MAGNESIUM DISSOLVED MG/L 31 20.5 <br />SODIUM DISSOLVED MG/L 220 442 <br />SAR NOT APPLICABLE UNDEFMED 2 74 19 <br />SULFATE NOT APPLICABLE MG/L 970 840 <br />BICARBONATE AS HCO3 MG/L 60 82 <br />CARBONATE AS CO3 MG/L 16 26 <br />HYDROXIDE AS OH MG/L -2 -2 <br />CADMIUM DISSOLVED UG/L -0.6 -0.6 <br />LEAD DISSOLVED UG/L -200 -40 <br />MERCURY DISSOLVED UG/L -02 -02 <br />SELEMUM DISSOLVED UG/L -1 -1 <br />IRON DISSOLVED UG/L 150 300 <br />MANGANESE DISSOLVED UG/L 50 27 <br />MOLYBDENUM DISSOLVED UG/L 20 -10 <br />NITROGEN MTRATE MG/L ~ -0.02 -0.02 <br />NITROGEN MTRITE MG/L -0.01 -001 <br />NITROGEN NO3+NO2 MG/L -0 02 -0.02 <br />PHOSPHATE ORTHO-DISS MG/L 0.015 0.007 <br />