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TWENTYMILE COAL COMPANY <br />PERIOD OF RECORD WATER QUALITY DATA <br />SITE: SW-IS (FISH CREEK SURFACE SITE) DATUM = 662L67s <br />I <br />SECONDARY <br />TRACE METALS <br />NUTRIENTS <br /> PARAMETER 0 ANALYS/S TYPE UNITS JUN JUN JUL ~ JUL AUG SEP NOV FEB MAY <br />IRS DATE ~ 6/12/02 <br />~ 6/18/02 7/3/02 ~~ 7/19/02 8/12/02 9/26/02 11/11/02 2/6/03 5/12103 <br /> _ <br />WATER ELEVATION ~ FT ABOVE MSL 662 L 6621.3 6621.5 6621.3 `6621.3 <br />` WATER LEVEL T FT ___ 7.24 7.12 6.95 7.12 DRY DRY 7.1 ICE 7.78 <br /> FLOW (FIELD CFS 1.75 0.97 0.35 0.35 <br />RTIES TEMPERATURE 'FIELD <br />( DEGREESC 11.7 11.8 12.3 ~3.3 6.5 <br /> CONDUCTIVITY <br />FIELD <br />-_ _- UMHOS/CM _ 700 710 722 <br />~ 1140 657 <br /> <br />~ <br />LAB UMHOS/CM 780 -~ <br /> - <br />PH FIELD PH --~- 8.13 8.15 --- - 8.59 <br /> LAB PH 7.78 <br /> SOLIDS TOTAL-DISS L MG/L 530 <br /> CALCIUM DISSOLVED <br />~ MG/L __ 100 ~{I <br /> MAGNESIUM <br />~DISSOLVED MG/L 24 <br /> SODIDM DISSOLVED MG/L 51 <br /> BICARBONATE SAS HC03 MG/L 950 ~ <br /> CARBONATE AS C03 MG/L <I ~ <br />- __ ~_ <br /> SULFATE NOT APPLICABLE <br />E MG/L 130 ~ <br /> <br />CADMIUM DISSOLV <br /><S _ <br />~ _ <br /> <br />LEAD DISSOLVED <br />UG/L <br /><50 <br /> <br />~ _. <br /> <br />MERCURY (DISSOLVED <br />UG/L <br /><0.2 _ -_ _- __ <br /> SELENIUM 'DISSOLVED <br />IRON IDISSOLVHD UG/L <br />UG/L _'-- <2 <br /><10 ' <br /> MANGANESE tDISSOLVED UG/L ~ 860 <br /> <br />MOLYBDENUM <br />DISSOLVED <br />UG/L <br /><50 _ - <br />j <br /> NITROGEN <br />I AMMIUM-TOTAL MG/L ~ <br />~ <br />- <0.05 ~ ~ <br /> AMMIA-FREE MGIL <br />~ <br />~ ~ - ~- _ 0.42 -- -~- ~ - <br />~~ ~ -- --- ~ ~ - - <br /> NITRATE <br />r--_- MG/L <br />-. _~__- 0.06 - <br />__-~-_ <br />- ---- <br />__ <br /> NITRITE <br />-_ MGIL 0.04 <br /> rN03+N02 <br />-- <br />--4- _ <br />MG/L ~ 0.1 - ~ <br />-_ ____ i <br /> PHOSPHATE ORTHO-DISS MCIL I 0.11 - -_ <br />EXCEL: I:\EnvimnmentaPbMG\PR6\Water Dam\New FC surmce wamr dam <br />