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~~ <br />TABLE: 19 <br />COLORADO YAMPA COAL COMPANY: MINE 1, 2 AND ECKMAN PARK MINE <br />1999 ANNUAL HYDROLOGY REPORT <br />SITE: 8 (FOIDEL BELOW TCC) <br />DATUM = 6799.95 <br />k:;:11~':~~;;"~-~:~~:::.::::.:~.~:.::;;.~:;:~:~~::~~~~~~~::;:::::~.:~.,:: <br />re11M)arif ........ .....:...:.........:..:... <br />Water Level <br />Flow cfs ...~~ :.:::..::.:::~~~~~.~:,.:.: <br />....:..::::::.::.~:~::~:?:...:- MAR <br />19-Mar-99 <br />-3.09 <br />3.97 APR <br />1S r-99 <br />-2.97 <br />3.75 MAY <br />Ofi-Ma -99 <br />-3.51 <br />4.53 2 <br />24•Ma -99 <br />J.09 <br />3.97 JUN <br />21-Jurr98 <br />-2.95 <br />3.76 JUL <br />28JuF99 <br />-4.02 <br />5.12 AUG <br />03•Au -99 <br />-3.86 <br />4.95 2 <br />09-Au 99 <br />-3.84 <br />4.92 3 <br />i6-Au -99 <br />-3.79 <br />4.85 4 <br />23-Au -99 <br />-2.16 <br />2.39 5EP <br />07Se 99 <br />-2.83 <br />3.58 2 <br />20S 99 <br />-2.71 <br />3.39 <br />TEMPERATURE <br />CONDUCTIVITY <br />PH FIELD <br />FIELD <br />FIELD DEGREESC <br />UMHOSICM <br />PH 3.2 <br />2040 <br />7.82 7.1 <br />1540 <br />8.20 6.4 <br />1880 <br />7.79 15.5 <br />2080 <br />7.98 19.9 <br />2620 <br />7.98 19.1 <br />3270 <br />7.85 19.8 <br />3100 <br />7.94 18.5 <br />3160 <br />7.84 16.8 <br />3180 <br />8.04 18.6 <br />3190 <br />8.05 13.3 <br />3250 <br />8.12 10.5 <br />3340 <br />8.13 <br />Cell;;:: ;;~.';:.'.:': ~.':. ' : ~:. ~-:.:.:: ~:,-:.::::::':.';::';.~:':..:<: ~:::;::: ~::~.> ::::::::.:::.::::. ~ . <br />CONDUCTIVITY LAB UMHOS/CM 1810 3160 3210 3100 <br />PH LAB PH 8.3 7.9 7.9 7.9 <br />SOLIDS DISSOLVED MG/L 1500 2860 3210 3100 <br />SOLIDS SUSPENDED MG/L 18 14 14 8 <br />ALKALINITY TOTAL MG/L 258 432 272 283 <br />HARDNESS TOTAL MG/L 1040 1370 1792 1560 <br />CALCIUM DISSOLVED MG/L 184 255 280 317 <br />MAGNESIUM DISSOLVED MG/L 140 179 264 187 <br />SODIUM DISSOLVED MG/L 58.4 205 fi5.7 49.4 <br />SAR NOT APPLICABLE UNDEFINED 0.79 2.44 0.68 0.55 <br />SULFATE NOT APPLICABLE MG/L 850 1640 1950 1950 <br />BICARBONATE AS HC03 MG/L 315 527 332 345 <br />CARBONATE AS C03 MG/L -2 -2 -2 -2 <br />HYDROXIDE AS OH MG/L -2 -2 -2 -2 <br />CADMIUM TOTAL RECOV UG/L -0.5 1.7 -0.5 1.2 <br />MERCURY TOTAL RECOV UGlL -0.2 -0.2 -2 -0.2 <br />SELENIUM TOTAL RECOV UG/L -1 -1 .1 -1 <br />SILVER TOTAL RECOV UG/L -0.5 -0.5 -0.5 -5 <br />ZINC TOTAL RECOV UG/L -10 20 -20 -20 <br />IRON TOTAL RECOV UG/L 590 650 340 240 <br />MANGANESE TOTAL RECOV UG/L 253 130 110 80 <br />MOLYBDENUM TOTAL RECOV UG/L -10 20 -20 -20 <br />PHOSPHATE NOT APPLICABLE MG/L -0.03 0.03 -0.03 -0.03 <br />NITROGEN AMMIUM-TOTAL MG/L -0.Ot -0.Ot -0.01 <br />NITROGEN AMMIA-FREE MG/L -0.05 0.07 -0.05 -0.OS <br />NITROGEN NITRATE MG/L 0.13 0.06 -0.02 -0.02 <br />NITROGEN NITRITE MG/L 0.01 0.02 -0.01 -0.01 <br />NITROGEN N03~N02 MG/L 0.13 0.08 -0.02 -0.02 <br />PHOSPHATE ORTHO-DISS MG/L -0.005 0.011 -0.005 p.007 <br />~vi~ v ~~n airy ..~ nr. i.1BLE3~99311RF](LSSLS <br />