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<br />TABLE: I S <br />CYPRUS YAMPA VALLEY COAL CORPORATION: MINE NO. 1, 2 AND ECKMAN PARK <br />1998 ANNUAL RYDROI.OGY REPORT <br />WATER QUALFPY MONITORING DATA <br />SITE:265P2 <br /> <br />DATUM = 6672.18 <br />.fdd.:`~:~.:.::.;:::::I:.:•~.:::::::::~~:~~:::.:::~:::::~.:::.::::;:~.:~:;::::::~:.'::~.':~'~::::::'''.::~%`: <br />< OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br />>::~ <br />::eters:::;~::~ ::::::::.::::.::::::i~:~`~:::.::::::.:~~<:::::~:;:"~:~::~::;:':~i:::1::~ 02-Mar-98 Ot-Ma -96 G6~Au -96 <br />Elevation (ft above m+l) 6625.75 6631.95 6627.12 <br />Water Level 46.43 40.23 45.06 <br />TEMPERATURE FIELD DEGREES C 10.5 12.9 13.9 <br />CONDUCTIVITY FIELD UMHOS/CM 3130 3540 3730 <br />PH FIELD PH 6,52 6.29 6.56 <br /> <br />CONDUCTIVITY LAB UMHOS/CM 3210 <br />PH LAB PH 6.6 <br />SOLIDS DISSOLVED MG/L 4140 <br />ALKALINITY TOTAL MG/L 726 <br />HARDNESS TOTAL MG/L 2680 <br />CALCIUM DISSOLVED MG/L 503 <br />MAGNESIUM DISSOLVED MG/L 345 <br />SODIUM DISSOLVED MG/L 39.4 <br />SAR NOT APPLICABLE UNDEFINED 0.33 <br />SULFATE NOT APPLICABLE MG/L 2080 <br />BICARBONATE AS HC03 MG/L 666 <br />CARBONATE AS C03 MG/L -2 <br />HYDROXIDE AS OH MG/L -2 <br />CADMIUM DISSOLVED UG/L -0.5 <br />LEAD DISSOLVED UG/L -40 <br />MERCURY DISSOLVED UG/L -0.2 <br />SELENIUM DISSOLVED UG/L •1 <br />IRON DISSOLVED UG/L 30 <br />MANGANESE DISSOLVED UG/L 1870 <br />MOLYBDENUM DISSOLVED UG/L -10 <br />NITROGEN AMMIUM-TOTAL MG/L 0.16 <br />NITROGEN AMMIA-FREE MG/L -0.Ot <br />NITROGEN NITRATE MG/L 0.03 <br />NITROGEN NITRITE MG/L -0.01 <br />NITROGEN N03+N02 MG/L 0.03 <br />PHOSPHATE ORTH0.01SS MG/L -0.005 <br />I'~EN\ENVI RON MENTAL\AHR\1997\CWCC.XLS <br />