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<br />TABLE: 7 <br />CYPRUS YAMPA VALLEY COAL CORPORATION: MINE NO. 1, 2 AND ECKMAN PARK <br />1997 ANNUAL HYDROLOGY REPORT <br />WATER QUALITY MONifORING DATA <br />SffE: 94M002 <br /> <br />DATUM= 7290.47 <br />L".kld~.'i~<:':'.•:i:::;:~:~:::~:::~:.•:~::::~::<:.:.::<::3 ::::.::::.:::::::::::::~.::::~:::.::=:::.:;:~:.:::;:?:: <br />: OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AU <br /> <br />G EP <br /> <br />S <br />~:~r:::~:::: <br />e 04-Ma -9 <br /> <br />8 <br />Y 1 <br /> <br />Se <br />Elevation (ft above msl) 7144.06 7132.68 <br />Water Level 146.41 157.79 <br />TEMPERATURE FIELD DEGREES C 9.6 10.6 <br />CONDUCTIVITY FIELD UMHOSICM 1280 1140 <br />PH FIELD PH 8.49 8.86 <br />to ers ..... ....... . ..... .... .... ... ... <br />CONDUCTIVITY LAB UMHOSICM 985 1100 <br />PH LAB PH 9.6 9.7 <br />SOLIDS DISSOLVED MG/L 640 670 <br />ALKALINITY TOTAL MG/L 317 319 <br />HARDNESS TOTAL MGIL 77 43 <br />CALCIUM DISSOLVED MGlL 6.8 3.5 <br />MAGNESIUM DISSOLVED MGIL 14.7 8.4 <br />SODIUM DISSOLVED MGIL 222 236 <br />SAR NOT APPLICABLE UNDEFINED 11.1 15.8 <br />SULFATE NOT APPLICABLE MGIL 220 23D <br />BICARBONATE AS NC03 MGIL 227 1B9 <br />CARBONATE AS C03 MG/L 79 99 <br />HYDROXIDE AS OH MGIL -2 -2 <br />CADMIUM DISSOLVED UGIL -0.5 -0.5 <br />LEAD DISSOLVED UGIL i0 -00 <br />MERCURY DISSOLVED UG/L -0.2 -0.2 <br />SELENIUM DISSOLVED UG/L -1 -1 <br />IRON DISSOLVED UGlL 140 130 <br />MANGANESE DISSOLVED UGIL -5 -5 <br />MOLYBDENUM DISSOLVED UGIL -10 •10 <br />NITROGEN NITRATE MGIL -0.02 -0,02 <br />NITROGEN NITRITE MGIL 0.03 0,03 <br />NITROGEN N03+N02 MGIL -0.02 0,03 <br />PHOSPHATE ORTHO-DISS MG/L 0.041 0,11 <br />