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TABLE: J9 CYPRUS YAMPA VALLEY COAL CORPORATION: MINE NO. 1, 2 AND ECK11fAN PARK 1998 ANNUAL HYDROLOGY REPORT WATER QUALITY MONITORUVG DATA SITE: Spriag 1860270 (Spring B-3) DATUM ~ 6960.00' E llld;i':%; :::;:%:~::~: ~~:::~:::% ::~~:;:; ~::::~ ~:~:~: . ~;<'~ : :~~ ~; 'is~~:: ''i' ~ OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ,: : :. :: : ::: . :: : . . ;:: : : ~:~.':;:.;::':~;::~:~::;.:::~:::;~.~.:i~:.~ :..::::::::.:. Yan~iiielEr.4~:~':~~::''.~::~~:'.:: 13-A r-98 27-May-98 29-Jun-98 10-Sc 98 . Water Level -0.1 -0.16 -0.22 -0.04 0 0052 0.108 0.0494 0.0016 Flow (c[s) . 4 10 14 IS 13 TEMPERATURE FIELD DEGREESC . 3700 CONDUCnVITY FIELD UMHOS/CM 3750 39110 3900 PH FIELD PH 6.63 6.6 6.4 6.9 4130 4050 CONDUCnVITY LAB UMHOS/CM PH LAB PH 7.2 7.2 SOLIDS DISSOLVED MG/L 4160 4060 SOLIDS SUSPENDED MG/L -S 32 ALKALWITY TOTAL MG/L 716 671 HARDNESS TOTAL MG/L 8890 2710 CALCRJM DISSOLVED MG/L 562 525 MAGNESIUM DISSOLVED MG/L 1820 341 SODIUM DISSOLVED MG/L 37 35 SAR NOT APPLICABLE UNDEFINED 2300 SULFATE NOT APPLICABLE MG/L 2400 BICARBONATE AS HC03 MG/L 874 819 CARBONATE AS C03 MG/L -2 -2 HYDROXIDE AS OH MG/L -2 -2 CADMIUM TOTAL RECOV UG/L 7 fi MERCURY TOTAL RECOV UG/L -0.2 -0.2 SELENIUM TOTAL RECOV UG/L -1 -1 SILVER TOTAL RECOV UG/L -10 -10 ZINC TOTAL RECOV UG/L -20 -20 IRON TOTAL RECOV UG/L 100 1330 MANGANESE TOTAL RECOV UG/L 1690 1900 MOLYBDENUM TOTAL RECOV UG/L -20 -20 MTROGEN AMMIUM-TOTAL MG/L 0.31 0.34 MTROGEN AMMIA-FREE MG1L -0.01 -0.01 MTRl3GEN MTRAI-E MG/L 0'61 0.02 -0 01 MTRl3GEN NRRFCE MG/L -001 . MTROGEN N03+N02 MG/L 0.61 0.02 PHOSPHATE ORTHO-DI55 MG1L -0.005 0.01 I+FNBn'~ 0.0NAQl-?/~1.`. V at\ 1991 \CnCCXLS