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Pale ~ a~ ~ <br />~r~, JcY, <br />dram, Johnson, Terry [T~ohnsonS a~wrn.com] <br />dent. Wednesday, March ~D, 200 ~~;2o PM <br />To: Harry, Jack Y, <br />Subject: l~W; Pik diver ~.andfiil «11VQrk Pian for Interim Itillonitorin~ Wells for SDA <br />~nofher City approval far work in the FDA ~sou~h expansion}. We probably have several Qf theso if wa dig deeply, let <br />me know how far you want me to ga Frith these, <br />Terry <br />~arn~ Matthew Ledvina ~mailta.mlledvinaC~nrg-Ilc,comj <br />~n~; Friday, duly ~~~ ~OpB ~.~3 PM <br />~; Johnson, Terry jeidem~geomatrix,com; 'aohn.elksC~pca.state,mn,us~ <br />Ica Dave l«ucas; Flaug, Rebecca <br />Suect; ~Ik River Landfill - vUork Plan far Interim Monitoring Vvells for sDA . <br />Y reviewed the Wark Plan which was recently developed by WM~ and ~eomatrix ~AM~C} for two interCm wells along <br />the ~.Q~year phase boundary of the SDA. The proposed plan is acceptabie~ <br />~n reviewing the lithology in the vicinity of 3~~.w~1NA and ~~~~~WA, baring results Pram SB~~.7, SB~18 and ~g-~.9 <br />indicate the occurrence of tine grained deposits ~~M and Ml-ICt.} in the vicinity of the Weil screens, Cross-sections <br />from the i~iydrageviagic evaluation Report far the FDA indicate that the top of the finer~grained deposits is at <br />roughly elevation 94~ feet, while the target elevation for the base of the Weil screens is elevation 940 feet, <br />with the pa~ential vortical variability of the fine grained deposits, the City requests that no more than 5q percent of <br />the length o~ the sateen penetrate into SM and ML/CI~ deposits that may occur in these iocations~ This will heap to <br />ensure the suitability of these veils in providing groundwater samples for the unconfined outwash water table <br />aquifer. <br />Please contact me if you have any questions or comments <br />Regards, Matt. <br />~~~~1~w ~.e L~d~[~1~, pr Er <br />- ~ ~'$ -` mli~dvina NRG-~..LC,com. <br />'M ~b~~~ X39-~3~.~ ~ir~ct <br />:°.~ : ~~~ ~6~~) 6&9~8589~=Cell <br />y` ~~~~~ ~4~-~78o Fax <br />way an~~nn~n ~~cyol~ ~nvugh p~por ovor~ yoar ~o ~~~~ 4~ ~nil~~~n ~~~~~~ icy nod ~rin~ing this <br />~n~~i~, you can not ~~v oven mo~~' <br />"~hzs email ha.s been scanned ~Co~~ all vlruscs by the Message~,abs Sky~can <br />sa~vice. ~ht~p;llwww.~messa~ela~s.corn~ <br />311~120i0 <br />