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<br />TABLE:5 <br />COLORADO YAMPA COAL COMPANY: <br />1999 ANNUAL HYDROLOGY REPORT <br />WATER QUALITY DATA <br />SITE: 09784 (We11009-79~) <br />MINE 1, 2 AND ECKMAN PARK MINE <br /> <br />l \ <br />\\\` DATUM = 7004.5 <br />:.1. ~:::::::;::~~::~::"::":'~":%':is~:~!~:~:~~::isi'~::.'<::>:<'::::::~:::>:~::;:~::::~::~:.;::;.~:::.:.s:::.::: OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br />Piitalrteierf:::;::::.::~~i;'>::r;~':i:::.:~:~:r::::~!:~:::'::::::'.~::.:":} ":s:'Zr~~: ~~: 1 - 225e 99 <br />Elevation tt above msl 70 .85 7041.29 <br />Water Level 34.31 36.75 <br />TEMPERATURE FIELD DEGREES C 10.1 10.8 <br />CONDUCTIVITY FIELD UMHOS/CM 1480 1490 <br />PH FIELD PH 7.58 8.23 <br /> ~~ <br />CONDUCTIVITY LAB UMHOS/CM 1520 1370 <br />PH LAB PH 7.8 8.3 <br />ALKALINITY TOTAL MG/L 435 391 <br />HARDNESS AS CACO3 MG/L 124 99 <br />SOLIDS TOTAL-DISS MG/L 13.3 <br />SAR UNDEFINED UNDEFINED 13.2 870 <br />CALCIUM DISSOLVED MG/L 26.1 20.6 <br />MAGNESIUM DISSOLVED MG/L 14.4 11.6 <br />SODIUM DISSOLVED MG/L 334 301 <br />CARBONATE AS CACO3 MG/L -2 320 <br />SULFATE NOT APPLICABLE MG/L <br />BICARBONATE AS HCO3 MG/L 531 2 <br />HYDROXIDE AS OH MG/L -2 _2 <br />CADMIUM DISSOLVED UG/L -0.5 -0.5 <br />LEAD DISSOLVED UG/L -40 -40 <br />MERCURY DISSOLVED UG/L -0.2 -0.2 <br />SELENIUM DISSOLVED UG/L -1 -1 <br />IRON DISSOLVED UG/L 60 210 <br />MANGANESE DISSOLVED UG/L 19 14 <br />MOLYBDENUM DISSOLVED UG/L -10 -10 <br />NITROGEN NITRATE MG/L -0.02 -0.02 <br />NITROGEN NITRITE MG/L -0.01 -0.01 <br />NITROGEN NO3+NO2 MG/L -0.02 -0.02 <br />PHOSPHATE ORTHO-DISS MG/l 0.012 -0.005 <br /> <br />.. . V~ ~ I ai a~N i444.(lYOT6BLFSW Wk11.5.]YS <br />