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TWENTYMILE COAL COMPANY <br />PERIOD OF RECORD WATER QUALITY DATA <br />SITE: SW-13 (FISH CREEK SURFACE SITE) DATUnt = 6679.z5R <br />CATEGORY PARAMETER ANALYS/S TYPE UNITS <br /> <br />* JUL ~ AUC SEP NOV MAR MAY f JUN ~ JUL AUG AUC I NOV FEB <br />-T-~ - MAY <br />~ <br />IELD PARAMETER DATE 7/19/2001+8/2 <br />200L <br />0/162001~ 11/7/2002} 3/ <br />/2002 /162002 fi/12 <br />~ <br />2 /02 2/6/03 <br />/ 5/122003 <br />(F <br />S L <br />3 <br />5 5 <br />2002 <br />7/3200 <br />8/122002 8/272002 i 11 <br />11 . <br /> WATER ELEVATION .FT ABOVE MSL • 6678.48' 6676.32 6678.21 6681.29 667888 6678.48 6677.6 6677.fi 6681.17 fi679.2' <br />~ WATER LEVEL ~ " <br />7.471-_ ICE <br />7.3y <br />_ ----4.39 6.8 7.2~- --7.36 7.361 4.51 ICE __6~ <br />- <br />`SURFACE FLOW FLOW _ <br />FIELD CFS ~ <br />+ <br />2.14 L01 1.7 2.3 ICE _ 1.28 125 <br />1 r 0.27 ICE ICE i <br />~ <br />(PHYSICAL PROPERTIES TEMPERATURE FIELD DEGREESC 25.7 12.9 ll.fi 13.9 21.2 245 ~ 6 <br /> --- <br />CONDUCTIVITY -- ---~ <br />-- <br />FIELD <br />UMHOS/CM --- <br />~ <br />_ <br />~ <br />815 822 1111 1340 911 <br />1181 1260 _~_ <br />1070 531 <br /> <br /> <br />' - <br /> <br />PH _ <br />LAB _UMHOS/CM <br />FIELD PH } <br />830 ~ <br />~~-- <br />812 8.28 7.38 + <br />1410 <br />7.65 8.28 8.35 _ <br />1300 <br />8.35 _- <br />-~ T <br />i 8.45 _ <br />-'I <br />8.33 <br /> <br />~ <br />~ <br />LAB _- _- PH <br />8.39 .._ _ .. - _- <br />8.56- ""! .__-~ <br />-_-7.22 <br />__' r __ - -_ <br />~ 1 <br />_. <br /> <br />l _ _ _ <br />'CATIONS <br />SOLIDS <br />CALCIUM <br />TOTAL-DISS MG/I- <br />DISSOLVED ~MG/L, <br />_ 6001 __ <br />fi4.9. <br />~ Y <br /> <br />* <br />1000 _ ~ 830 <br />9.7 ~ 240 ~-_ <br />_ <br />_ _ <br />~ <br /> <br />~~ <br /> MAGNESIUM DISSOLVED MG/L 56.6 3.7 -~ -~ 63 ' <br />~ SODIUM DISSOLVED iMG/L- - ~- - 31.8 ~ ~ <br />- ~ - 19 ~ <br />~ } ---100 --~ -~--- ~ --- <br />~ ----~~ <br /> <br />'ANIONS <br />BICARBONATE <br />AS HC03 'MG/L <br />340 <br />~ <br />360 ~- <br />~ 410 <br />-± <br />' <br /> _ _ <br />CARBONATE AS C03 ~MG/L 2~ - <br />~ ~ -~~{ ~ <br />-___'___--_- ~ --10* - <1 - ~- -- ~ - - - -- 1 <br /> TE N <br />T APPLI <br />BLE MG/ ~_ <br />- -_ -~_-- <br /> SULFA CA <br />O <br />L 180 <br />__ _ <br />y --~-~--~ <br />~ 540 <br />300 <br />__ _ i <br />- <br />--~--- <br />~~~_+ <br />- ~ ~- - <br />- <br />PRIM17ARY CADMIUM DISSOLVED <br />UG/L <5.0 <2 <br />? <br /><2 _ <br /> ___ __ <br />__-_ _ <br />___ __-__ <br />y_ _ _ _,_ <br />__ _ _ _ <br />_ <br />-~ <br /> LEAD <br />__ -.. __ DISSOLVED UG/L <br />_ __-- ~ -.- <0.2~ ~ ~ <br />-__ _ __ _ _t_____ __ <50 <50 <br />__ __ ~ <br />___a_. __ ____ <br />} ~ <br />. <br /> MERCURY DISSOLVED UG/L <2.Oy <0.2 <br />r <0.2 <br /> _ <br />SELENIUM DISSOLVED UG/L L <br /><S.O _ _ <br /><2 <br />i2 <br /> <br />4SECONDARY <br />IRON <br />DISSOLVED_AUG/L T <br />250 ry <br />580 II __-- _ I 1 <br />~ <br />J <br />' MANGANESE DISSOLVED <br />UG/L _ <br />34 <br />~ 37 1500 <br />~ __ <br />~ <br /> I ~ <br />+ t -~ <br />TRACE METALS MOLYBDENUM DISSOLVED UG/L <50.0 <br />~ <50 <br /><50 <br />(NUTRIENTS NITROGEN AMMIA-FREE <br />MG/L <0.05 <br />' _ <br />_ <br />0.08 ~ <br />0.27 ~- _t <br /> <br /> <br />~ _ <br /> <br />NITRATE +MG/l _ <br />_ _ -. <br /><0.05~ fi <br />~ _ <br />_+__-__ <br />0.02 ' <br />0.02 __ <br />-_t._-__.r__-_ __ <br />~ <br />' _ _ <br />NITRITE lMG/L <br />N03+N02 - -- +MG/L - - <002 ~ <br />- <0 02} - - ~ - - - _ <br />02 -~ <002 <br />0.02 ~ -- - ~ -- 0 02 ~_ _~ <br /> <br />-- <br />~_- _ _ - _ _ _ PHOSPHATE ORTHO-DISS lMG2 ~ <0.01 _ -~-- ---- -~-- _- <0.01 J - ~ <001 _ _ _ _ <br />_ ---yi <br />• Sampled prior to installation of gage station. <br />E%CEL: 19EmironmmulUHR\2003\TCC\TablaW<w FC surfatt xsty Eau <br />