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;Table ~1=' Ground Watei Monitorri ~ .WeILILocation & Monitorin ° Zone'fIP„„,rofil~'°'
<br />
<br />Monitoring
<br />Completion Aquifer
<br />Position Resp
<br />ective of 0-5 Year
<br />Well ID Aquifer Completion Solution Min ing Panel Layout
<br /> Zone
<br />Well 21-2 Alluvial Alluvium Outside Panel Down- radient
<br />' ~ ~ ~ j .
<br />Wel~ 28-'1, ~ ,,
<br />Alluvial f l.- ~ 1 ~ ~, j.j ~ , f ~;-~, + ~, ;gross=g-ad~etit~~;'~-
<br />~ iAlluvWrri; : ,, Outsrcle Panel ~'
<br />~' F `~ `~ '
<br />i
<br />t
<br />
<br />f
<br />it It 7'e Jtf:y i,f r ~ ~ i
<br />t 7
<br />m
<br />ileri
<br />il'.
<br />Well 21-5 Alluvial Alluvium Outside Panel Down- radient
<br />W, eU 1:9-3{ AIIuJial ; '! l~ Allu'vium;;i i} Outside.Panef; ;;"U = radientz 1p`;':
<br />Well-29=4Ut~+ ~ ~ U 'e~. ~ 'I~ '~~, Uintal~+'i} s'Outside Ranel'.' ~ ~ i.U `~~~ radi~rit,~.(?~r`
<br />Well 21-3U U er Uinta Outside Panel Down radient
<br />Well'20i10 '; ?: U 'er: ~ ,t ,i.' Uinta ;;;.s ;j Outside Panel ;; ~I!'u ''radient-~„;:
<br />,~ __.
<br />
<br />VI%e1119=2 ;~ ,, I ~ f
<br />
<br />Uppers ' ,i, ~~ rt, ~
<br />.Above Al i, i r
<br />;t~~ Outside Panel!( ff f a ~
<br />: f i a' hj l ~,~
<br />U
<br />dierrt
<br />;~p i
<br />; ,
<br />!
<br />;Gr
<br />ove= ;
<br />p,g
<br />.
<br />i .
<br />,,f• ,,,~ ff ,
<br />,
<br />o
<br />f , r_ •~, .~, ~ a:~~{ 1 , ,~
<br />Well 21-3A U er A Groove Outside Panel Down radient
<br />Well~29`4A U 'er ' ` °~A Groove t+~'i Outside Panel 'i?!U'= 'radiflnt,it~;
<br />
<br />Well 21-36 Lower B Groove Outside Panel Down- radient
<br />Nlelli29'.-2B,:. :,,i Lowerv_ !,•j, ~i,B;G~oQvei'; ~:OutsidePanel; U"'radient,.i;
<br />,,
<br />We1120'4A'° l
<br />'Upper. , , i, 4i , .,, : ,;. ,.. ~ ;
<br />A Groove i Inside Panel ; f,CroSs-gradient ;
<br />
<br />"
<br />;. ,~ f~ :, u. ,. fr,. U radient.
<br />
<br />'
<br />Well2
<br />t}?46~
<br />Lower !: ~ ' ' `' i
<br />B Groove ~ Inside Panel
<br />; a Cross radient 1'
<br />,
<br />f ,
<br />.. U `radient i:...
<br />Well 21-3D Lower Dissolution Outside Panel
<br />Surface Down-gradient
<br />,r+ ,{ " .
<br />Well"2l3-".4D~` ~
<br />, ; f, 4 ;- _ ~ !
<br />~~. , Lower_-' f ~l ~Dissoltfi rt'~ ` a '{' ` ~, 'f1 ~ ~ t ~ ~ ~~'il + !~i '
<br />Outside Panel ~ .~ c~; Up-gr~dient;~~I #t
<br />~ ,; 5 ~
<br />9 1;j
<br />, rf
<br />,
<br />
<br />,-
<br />+ ~~' a;~ ~
<br />I
<br />~ 7 ~ ~
<br />} Down-gradients
<br />KCHB`(f3urke)
<br />' D
<br />i
<br />W
<br />ll ~
<br />Alluvtal ; ~
<br />;!'
<br />ANuvium,; Outside Panet ; ' Downstream. :;
<br />(several miles)}
<br />omest
<br />c,
<br />e }:,: j
<br />° ~
<br />: ..
<br />_ Easta~de of i,
<br /> ,
<br />.. ~ _ .
<br />~'Piceance Creek
<br />¢ ry
<br />~ly"'. li .~.} 'i,t ~ii'1~ t ,j }# (
<br />ii;i:i:.~ i'.f ~~' i~~ #; C~l.~. .{~ 3 iii. ~ti`e ,y .I `'P •1~9 a (.N %»~-~~
<br />Ground-water monitoring began in September 1999 and continued on a monthly frequency for
<br />15 months to provide baseline data that would characterize the aquifers prior to commercial mining
<br />activity. Following the beginning of commercial operations in October 2000, the monitoring program
<br />continued on a monthly basis and to date includes over I S operational quarters of ground water data
<br />from each sampling location.
<br />Draft Addendum to SOB For Modification No. 9, UIC Area Permit No. C030858-00000 Page 16of27
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