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• TABLE: 19 TWENTYMIL.E COAL COMPANY 2007 ANNUAL HYDROLOGY REPORT HYDROLOGY MONTTORING DATA SITE: 09510 (WELL 009-S-10, FOIDEL CREEK ALLUVIUM) DATUM = 6906.67 .................................................................... CATEGORY PARAMETER ANALYSISTYPE ~ UNTTS OCT NOV DEC JAN E FEB-~--.~ -~~,MAR-~•• APR•,.~MAY••~.~ _ ~-JUN~~~•.'~••JUL ••. ••~~AUG••-•.-•~ ~~SEP-~-•- ',FIELD PARAMETERS ;DATE :`. # ;. ;11/13/06; ~ 3/6/07; ....... .. ....6/20/07;..:.:.:.... .....8/17/07:::: ...:......... :WATER ELEVATION FT ABOVE MSL 6896.74: ': -- •~~~6896.95'~• •--~~~••~~ •~~~~~•-• •'•- •6902.78: •~-•~---•- ; •••~6901.72E •- -~--•--••-••~ :WATER LEVEL .. FT ; ~~~9.93 ~~9.72~- ~ ~~~3.89i~ 4.95; ;PHYSICAL PROPERTIES :TEMPERATURE :FIELD ;DEGREES C 9.4 6.4 12.9: 12.9:; ;CONDUCTIVITY :'.FIELD UMHOS/CM i 1230:: ...:... ... s : 13501 ~ ~• - -~~~~~~1200'-~~~~- -~~ ~~~~~~~1220~~~ ~~-~~~-~~~-~~ ::LAB , UMHOS/CM .. ... ;... ...: . .. ; 1230... • ~ ~ . - 1350: _ --• ..... ......... ............. ........ ...-•--•---. ............. ?PH FIELD---------------------- -PH....................... % 8 ~ i 7.8 8 . 781: ;LAB PH ~ __ ..... ... .. ... 8.3 .. ..... .......... . ..........7.8 . ......... ......... ..... ............ ---...... 7 ............ ............. ;SOLIDS .-........ :':TOTAL-DISS ':MG/L ..t... ..:;:. . ..:........:. .... .......... ..._..... .....-..-. `:: 770? .:_ ...... ~~~790 ~ .......- -....:.... - - - ...:..--- - -°---~- ~•~~~-~~~--- ~~~~~~-~-~~- ;CATIONS ;CALCIUM .. ::DISSOLVED : MG/L 44.7; ; 47 . .......... ......... ............ ........ ............ ............. ......-...- MAGNESIUM ...................... . ..-..-- - sDISSO. LVED • -...-....... >MG/L > .......: :::.. ....... -- -- ....:. :. ....... ......... `. 22.1:: . .. 23.1's~ ......_ ..-.. - ~ °--- - -- - -....... ..:....:... ...:......... - SODIDM }DISSOLVED............ . MG/L ............---- .............. ------209................5........... .---°--. ........-217%.. ......... .......... ............ ..-----•• -°---...... ............. ;ANIONS :BICARBONATE ' iAS HC03 ° MG/L :. > 485; :; ...._: --- ----.._ - .:. :~Ns._. ... 523.. . ....- ~---•• ............................•-°- °E :CARBONATE ;°-.........................-..- ~ASC03 ... °>--•--........................ ?MG/L ... ........... ..........fi.............. ......... ..---.... ...........14<. ............t........... ............. ........ ............ ............. :SULFATE ;NOT APPLICABLE MG/I. 200E '' ` ' ` 210: :>..:- .- ;PRIMARY CADMIDM . ;DISSOLVED UG/L 's , : <1? ~ .......... <0.1? .. ......... .......... ............ ......... ............ ..._.--°- i ;LEAD :':DISSOLVED 'UG/T, s E <SO:f :; <20# -~--~~~ ~~ ~~~-~~-~ :MERCURY ::DISSOLVED UG/L i .. -- 0.3; <0.2• • ......... ............ ........ ............ ....---...... ' SELENIUM ;DISSOLVED ,UG/I. 0.2' <0.1< ~ ~~~ ~~ ~ ~~~~~~~~ ;SECONDARY IItON ;DISSOLVED ;UG/L E 40' a : ...30 .... ......... ........°-. ............. f MANGANESE ;DISSOLVED . .. UG/I. .;... :.,... .....:....... .... .. ,:. - : 44 % ...:... < -- -. • : - - ..-:>. S; .,... :.:.. -- '; - :;TRACE METALS ;MOLYBDENUM ;DISSOLVED ?UG/I. -•- . ..` .. .. ~ .. c50 .. - •-•-•--• . < 10~ .......... ......... > i p ;NUTRIENTS :NITROGEN ~AMMIA-FREE >:MG/L 0.1 ~ p <0.05:: :NITRATE sMG/L ~' ... ... ..-:-- 1.1; ....... ........ .--°..... ° .......... ......... ............ ............. • ;NITRITE %MG/L ;.... „. 0.28: ~~~0.03~~ ~~ ~~ - N03+N02 ':MG/L 1.38: 0.83; ... .. .......'s' .......... ...............r .... [' ~PHOSPHA :..............D ,... . M /L ::.0.35:;. •: 21.>: .a:.. EXCEL: G:~EnvironmentallAHR1200TTableslwells2007.x1s