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TNENTYMILE COAL COMPANY <br />PERIOD OF RECORD WATER QUALITY DATA <br />SITE: AVF13 (WELL AVF-13, FISH CREEK ALLUVIUM1I) DATUM= 6685.68 Well installed in August 2001 <br />~ CATEGORY PARAMETER ANALYSIS TYPE T UNITS I AUG AUG _ ~_ SEP OCT MAR MAY AUG NOV FEB APR TMAY <br />I <br />I~IELD PARAMETERS DATE ~ 8/23/20011 8/27/2001' 9/26/2001 <br />6 10/16/2001 3/5/2002 5/15/2002 8/12/2002 11/11/2002 2/5/2003 4/15/2003 <br />5/12/2003 <br />~ <br />I WATER ELEVATION <br />WATER LEVEL AFT ABOVE MSL <br />11FF 6678.31+ 6678.32 <br />7.35, ~ 7.39, 7.38 6670.92 <br />7.4 6681.2 <br />4.48 6679.07 <br />6.61 6678.32 <br />7.36 6679.09 <br />6.59 6680.32 <br />5.36 + <br />6682.21 <br />3.48 3.OZ <br /> <br />(PHYSICAL PROPERTIES <br />TEMPERATUAE <br />FIELD DEGREESC <br />13.6 14 12.9 <br />8.6 <br />2.8 <br />8.1 <br />134 <br />7.2 <br />5.1 _. ±___ <br />8 6.Si <br />I _ <br />CONDUCTIVITY FIELD UMHOS/CM _ <br />112 I150~ 1111 ~ <br />-- _ _ <br />1110 1100 _ <br />1340 <br />- 1150 <br />_ <br />- _ <br />1070 <br />- ~ 1050 _ <br />795+ 896 <br />~ <br /> LAB ~UMHOS/CM ~ I I45i 950 - - 1300 - --860 - -1100 --- <br />---~ <br /> PH FIELD PH _ ___ 7.331 7.281 7.38 7.41 7.67 7.65 7.7 7.36 7.4 7.81' 7.8 <br /> <br />80L7D5 LAB _ __ _ PH _ __ _ _ <br />TOTAL-DISS MG/L _- 7.36, <br />-~ 830r~ ___ _ 7.36 <br />670 _ __-_ __ 7.22 <br />830 7.36 <br />820 7.3 <br />730 <br />~ <br />'CATIONS CALCIUM DISSOLVED MG/L 113' <br />~~ 100 240 100 56 , <br /> <br />MAGNESIUM <br />DISSOLVED _MG/L <br />50.2 <br />13 <br />63 <br />52 ~ _ <br />1 <br /> <br />ANION SODIUM <br />RBON <br />TE <br />B <br />C DISSOLVED 'MG/L <br />S HC03 rMG/ 69.1', ~ ~ <br />' 100 100 100 87 ~i <br />S <br />I I <br />A <br />A <br />CARBONATE A <br />L <br />AS C03 IMG/L 460 <br /><li 400 <br /><I 410 <br /><1 480 <br /><I <br />~ 420 <br /><l <br />' <br />_ <br />R SULFATE NOT APPLICABLE MG/L 230' 290 300 330 330 ~ <br /> <br />P <br />IMARY <br />CADMIUM <br />DISSOLVED TUG/L <br />-~ <br />_ <br /><2 <br />_ <br /><2 <br />c2 <br /><2 _ <br />_ _y <br />, <br />i LEAD ` <br />DISSOLVED <br />UG/L _ ~ <br /><50 <50 <50 _ <br /><50 _ <br /><50 <br /> <br />MERCURY <br />DISSOLVED UG/L - <br /><0.2 <br />~ <br /><0.2 - -- <br />~ <0.2 <br /><0.2 <br /><0.2 - <br /> SELENIUM DISSOLVED 'UG/L -~-<2~ _ <2 <2 <2 <2 J <br />SECONDARY IRON DISSOLVED UG/L <br />A 20 <10 II 14 <5 ~ <br /> MANGANESE DISSOLVED ,UG/L <5~ <br />-~ 1200 1500 1900 1800 - <br />} <br />rTRACE METALS MOLYBDENUM DISSOLVED <br />UG/L <br />~ 5< 0 <50 <50 <SO <50' I <br />NUTRIENTS NITROGEN AMMIA-FREE <br />MG/L <br />- ~ 0.22} 0_11 0_27 0.13 0.12 <br /> <br />NITRATE _ MG/L _ <br />-- I <br />__ <br />~ -~ --_ <br /><0.02~ _ <br />~_ i _ _ <br />0.04 <br />0.02 <br /><0.02 <br />0.1 <br /> <br />T <br />NITR[TE <br />MG/L ___ <br /> <br /><0.02 _ __ __ <br />__ <br /><0.02 ___ <br />_ _ <br /><0.02 <br /> <br />~<0.02 <br />_ _ <br /><0.02 _-_ <br /> N03+N02 MG/L _ ~ c0.02t <br />~ 0.04 0.02 <0.02 0.1 <br /> PHOSPHATE ORTHO-DISS MG/L <0.01 0.02 ___ <0.01 <0.01 <0.01 ~ <br />EXCEL: 1?EnvimnmemaNDMG~PR6\Nam Dada\New Alluvial Well Das <br />