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r~ <br />TABLE: 16 <br />COLORADO YAMPA COAL COMPANY: MINE 1, 2 AND ECKMAN PARK MINE <br />1999 ANNUAL HYDROLOGY REPORT <br />WATER RUALITY MONITORING DATA <br />26SP3 <br /> <br />DATUM = 7362.67 <br />CATEGORY PARAMETER A~-TYPE UNITS OCT NOV DEC JAN FEB j MAR APR I MAY JUN JUL AUG SEP <br />FIELD MEASURES DATE ! . 11/6/98 3/18/99 ~ 5/11/99 8/19/99 <br /> WATER ELEVATION FT _ 269.06 <br />I~ 7 ~ 7269.07 7275.74 j 7269.53 <br /> WATER LEVEL _ FT _ <br />93.61 93.6 86.93 _ _ 93.14 <br />PHYSICAL PROPERTIES TEMPERATURE FIELD DEGREES C _ <br />12 1 _ 11.7 10 6 _ _ <br />12.8 __ <br /> CONDUCTIVITY FIELD UMHOS/CM t 3360 2060 1580 3960 <br /> LA8 UMHOSICM ~ _ _ 1640 j _ <br />- 4030 <br /> PH FIELD PH 6_._65 6.94 6.95 7.11 <br /> LAB PH I _i 6.9 _ i <br />- 6.9 <br /> ALKALINITY _ <br />TOTAL MG/L _ <br />I _ ~ _ 532 ~ 651 <br /> HARDNESS AS CACO3 MG/L <br />~ _ 1180 I _ 2850 _ <br /> SOLIDS I TOTAL-DISS _ MG/L _ 1470 ~ 4340 <br />CATIONS CALCIUM ' DISSOLVED MG/L 201 _ ~ 436 <br /> MAGNESIUM ' <br />SODIUM <br />SAR DISSOLVED <br />DISSOLVED <br />NOT APPLICABLE MG/L <br />MG/L <br />UNDEFINED <br /> <br />_ _ __ <br />_ _ <br />_ 165 <br />15.3 <br />0.19 ' <br />_ 429 <br />30.6 <br />0.25 - <br />ANIONS BICARBONATE AS HCO3 MG/L _ _' 649 _ 794 <br /> CARBONATE i AS CO3 MG_/L <br />~ _ I ~ < 2 c 2~ <br /> HYDROXIDE ~ <br />SULFATE __ <br />AS OH <br />NOT APPLICAB_L_E MG/L <br />MG/L j <br />_ <br />~_ ~ <2 <br />660 <br />_ _ <br /> <br />~ <2 <br />2470 1 <br />PRIMARY CADMIUM DISSOLVED UG/L I _ ~ - <.5 c.5 _ <br /> LEAD ;DISSOLVED UG/L _ i Y <br />I - <br /><40 I <60 <br /> MERCURY DISSOLVED UG/L < 2 <.2 ' <br /> SELENIUM DISSOLVED U_G/L __ 1 11 <br />SECONDARY IRON DISSOLVED UGiL f i < 10 30 <br /> MANGANESE .DISSOLVED UG/L ~ __ _ < 10 1 <br />TRACE METALS MOLYBDENUM DISSOLVED UG/L I I <10 ~ <20 ~ <br />NUTRIENTS NITROGEN AMMIUM-TOTAL <br />AMMIA-FREE MG/L <br />MG/L <br />I <.01 <br /><.OS ~ c.01 <br />0.18 <br /> NITRATE MG/L 1.53 2.68 <br /> I I <br /> NO3+ <br />NO2 <br />PHOSPHATE ORTHO-DISS MG L <br />MG/L 1.53 <br />O.OOB _~ _ <br />__ 2.68 <br />0.007 <br />I.~EH~ENVIFONMENi/~LWHF11999~LYLG\TABLE5~99Welb LS ~1 pp pM-MSNO ~ <br />