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<br />TABLE; 4 <br />CYPRUS YAMPA VALLEY COAL CORPORATION: MINE S, 2 AND ECKMAN PARK MINE <br />1998 ANNUAL HYDROLOGY REPORT <br />WATER QUALITY MONITORP7C DATA <br />SITE: 068274C (We11 0 06-8 2-74C) <br /> <br />/ n_~ p S <br />V/// Y" ~ ~85~1. b <br />DATU~840.61' <br />FIcFd:ii:'"3:y.;:.::^'d;Si,~.;::i:"`;i.i:(.`:;.!::;::ri:::'.'i;i'.%i~:~:4ii<'~ii:i":i:i. <br />YiA"4+sfKr!-, ,..,. ,. - ~~~ ~° OCT NOV DEC JAN FEB MAR APR MAY <br />22-Ma -98 JUN JUL AUG SEP <br />17-Se <br />Elcvation ftebove msl 6868.32 6884.82 <br />Weta Levcl -27.71 -44.21 <br />TEMPERATURE FIELD DEGREES C 10.3 IO <br />CONDUCTIVITY FIELD UMHOS/CM 1690 2210 <br />PH FIELD PH 9.1 9.73 <br />Lib>::? ~'i~ :'r;;);:: `.;?~ :':s;f:`::'>`!: ~:: i'ii.:'r::;:r:'~ :. ~k:: i::i~ '':''::::• ':'';!;j~:r.`:.i <br />CON)UCTIVITY LAB UA4iOS/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 8.1 <br />MAGNESIUM DISSOLVED MG/L 31 20.5 <br />SODIUM DISSOLVED MG/L 220 442 <br />SAR NOT APPLICABLE UNDEFINED 2.74 19 <br />SULFATE NOT APPLICABLE MG/L 970 840 <br />BICARBONATE AS HC03 MG/L 60 82 <br />CARBONATE AS C03 MG/L 16 26 <br />HYDROXIDE AS OH MG/L -2 ~ -2 <br />CADMIUM DISSOLVED UG/L -0.6 -0.5 <br />LEAD DISSOLVED UG/L -200 ~0 <br />MERCURY DISSOLVED UGIL -0.2 -0.2 <br />SELENIUM DISSOLVED UG/L -I -1 <br />IRON DISSOLVED UG/L 150 300 <br />MANGANESE DISSOLVED UG/L 50 27 <br />MOLYBDENUM DISSOLVED UG/L 20 -10 <br />NITROGEN MTRAlT3 MG/L ~ -0.02 -0.02 <br />NITROGEN MTRITE MG/L -0.01 -0.01 <br />NITROGEN N03+N02 MG/L -0.02 -0.02 <br />PHOSPHATE ORTHO-DISS MG/L 0.015 0.007 <br />