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r~ <br />U <br />TABLE: 21 <br />COLORADO YAMPp COAL COMPANY: MINE 1, 2 AND ECKMAN PARK MINE <br />1999 ANNUAL HYDROLOGY REPORT <br />WATER QUALITY MONITORING DATA <br />~, <br />SRE: 800 FOIDEL ABOVE MINE 3 09243900) DATUM = 8730 <br />.;te..1"::>::::;:.:~::<•.;i`:~?~"~:;:~~:::~::;r:~:'::::.~::::~~.:~:~::::~:;:':::~:;;::;:'::.::. <br />...::..:~ .::..:...:...::..:~::`:.:~':~:".~:~:'::.:~:'::::~::'.":.::.:~:~:~":'..:::"".::~::~.~:::~.::::~:~"'::;~.::::~ MAR <br />19-Mar-99 APR <br />15- -99 MAY <br />O6-Ma -99 2 <br />24Ma -99 JUN <br />21Jun-99 JUL <br />26Jut-99 AUG <br />03-Au 98 2 <br />09-A .98 3 <br />16-Au 99 4 <br />23-A 99 SEP <br />07-Se 99 2 <br />203e 99 <br />Water Level x.16 -4.11 x.39 -4.16 -3.98 -3.43 -3.38 J.36 -3.36 -3.42 -3.48 -3.48 <br />Flan tta 4.5 5 10 4.8 2.7 0.58 0.5 0.44 0.36 0.3 0.19 0.26 <br />TEMPERATURE <br />CONDUCTIVITY <br />PH FIELD <br />FIELD <br />FIELD DEGREES C <br />UMHOS/CM <br />PH 1.6 <br />2380 <br />8.09 6.6 <br />1550 <br />8.19 6 <br />1940 <br />8.01 19 <br />1990 <br />8.02 20 <br />1950 <br />8.21 19 <br />2320 <br />8.19 22 <br />2090 <br />8.35 18 <br />1910 <br />8.d6 18 <br />1910 <br />8.46 21 <br />2180 <br />8.35 16.40 <br />2240 <br />8.3fi 10.60 <br />2050 <br />8.17 <br />pdFamllei ...... ... . ..... .............::..... .:..:. <br />CONDUCTIVITY LAB UMHOS/CM 1480 2420 1870 1950 <br />PH L4B PH 8.2 8.2 8.3 8.1 <br />SOLIDS DISSOLVED MG/L 1460 2080 1340 1480 <br />SOLIDS SUSPENDED MG/L 20 -5 8 34 <br />ALKALINITY TOTAL MG/L 268 317 315 313 <br />HARDNESS TOTAL MGIL 907 1070 424 653 <br />CALCIUM DISSOLVED MG/L 172 198 77.9 118 <br />MAGNESIUM DISSOLVED MG/L 116 141 55.8 B7 <br />SODIUM DISSOLVED MG/L 86.4 114 285 242 <br />SAR NOT APPLICABLE UNDEFINED 1.27 1.53 6.09 4.16 <br />SULFATE <br />BICARBONATE <br />CARBONATE NOT APPLICABLE <br />AS HC03 <br />AS C03 MG/L <br />MG/L <br />MG/L 840 <br />327 <br />-2 1190 <br />387 <br />-2 700 <br />374 <br />5 810 <br />382 <br />-2 <br />HYDROXIDE AS OH MG/L -2 -2 -2 -2 <br />CADMIUM TOTAL RECOV UG/L -0.5 -0.5 -0.5 -0.5 <br />MERCURY TOTAL RECOV UG/L -0.2 -0.2 -0.2 -0.2 <br />SELENIUM TOTAL RECOV UG/L -1 -t -1 -1 <br />SILVER TOTAL RECOV UG/L -0.5 -0 5 -0.5 -0.5 <br />ZINC TOTAL RECOV UG/L •10 ~20 -10 20 <br />IRON TOTAL RECOV UG/L 700 420 370 590 <br />MANGANESE TOTAL RECOV UG/L 269 70 168 393 <br />MOLYBDENUM TOTAL RECOV UG/L -10 -20 -10 -10 <br />PHOSPHATE NOT APPLICABLE MG/L -0.03 004 0.07 006 <br />NITROGEN AMMIUM-TOTAL MG/L -0,01 -001 -0.01 <br />NITROGEN AMMIA-FREE MG/L -0.05 -0.06 -0.OS 0.14 <br />NITROGEN NITRATE MG/L 0.15 006 0.05 007 <br />NITROGEN NITRITE MG/L -0.Ot -O Ot -0.01 002 <br />NITROGEN N03+N02 MGIL 0.15 006 0.05 009 <br />PHOSPHATE ORTHO-DISS MG/L -0.005 O.Ot3 0.024 0.022 <br />FLOW FROM U.S.G.S. <br />I EYE]}'IAO?FIC: TN.`.V1h~lvh <br />