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each conclude with an analysis of the implications of diverting the ~roposed <br />waste stream to Metropolitan Area landfills or the Elk River L~..d ..... <br /> nature to those projected for the Anoka <br />Gene. al~y, the impacts are of a s~ilar <br />Landfill. I~pacts at the alternatives would tend to be concentrated because <br /> . ~ - ac~.v.ty would have to increase to accomodate <br />the volume of <br />more waste than these fills are currently handling. <br /> <br />GEOHYD~,OLOSY <br /> - ~ 4 4. Study documented the contamination <br />The Remedial ~nvest.ga.- landfill <br />migrating fro~ %he Anoka Landfill and possible response ac;ions. The <br />is releasing volatile organic compounds (VOC's) that are a..ec .... g <br />located do~T~gradlent of the site. The source of leachate generation is <br /> believed %o be wm%e~ infil~ra%ion through mixed municipal solid waste deposited <br /> ~ ~ bedrOCk aquifers appear not %o be <br /> In %he 1~ ...... 1 since its .ncep.~on. The <br /> <br /> T~e contaminant p!~me extends 2,500 fee~ sou~hesst of %he Izndf!!! In a pm%tern <br /> doc~ented horizon%ally and ~e..~c 1-~ ..~ . ' <br /> ~m-sc%ed, bu~ six are or may be in the path of the plane In ~..ec.ed aquifers. <br /> The expansion would be integrated with the respons~ action approved by the <br /> M~nnemOt~ Pollution ContrOl Agency (~CA) zsa result of ~he Remedial <br /> Study. The response action hms five components: <br /> investig~tion/Feaslbllity ,,~ bmrrier (clay or lime sludge _nc_ud-.g <br /> flexible ~ynthetiC mcr, brahe), other .~ layers and surface <br /> controls, 2) a groundwater ~ w barrier well system, ~) <br /> well sys%e=, ~) monitoring of groundwater levels and <br /> zroundwzter discharge and <br /> - --~ reduce the <br /> ~.~ ~. ~ into the site <br /> - '- of iezchzte foam%ion. The barrier wells will capture su..-c .... <br /> . <br /> c=n%mzlnated water to restrlc% =i~at~on of cont~znzn%s frcn ~..e <br /> a!!cw fo' ~ny necessary treatment cf the wa%er. The recover: well system will <br /> -~-~ hms z!rezdv nice%ed cfr <br /> ex%tact an~ %'~=% t~ ccntanlnateC groundwater for five years. <br /> the site. The well systems are projected to be needed abou~ . <br /> <br /> -~ - tne_r !ow sc.~b .... . -.- <br /> <br /> ~- -,~-'~v be~- the %h~eshc!d cf h~-.. tz~%e c~ <br /> =~-~. Th_-. levels are - · ....... . Even <br /> ~=r perception and expOsUre =my not be de%ected or kno~ <br /> ~ the chenica!s nay cause cancer if ingested over <br /> !cng period cf <br /> <br /> %~. <br /> <br /> - '= .... =- ~==,-a%~C by -i. stri~plng. <br /> -,~ --i--n~-- VOCs can be ~--~ve'v d .... ~ - . _~, <br /> -~:-:~-'~v -=-e!v by p'~zng to ~= surface, u...e ..... -- <br /> <br /> ...... 5.-.. ~ ~' is necessary t0 <br /> ~ to the ..... ~ River <br /> <br /> Discharge -~ _.~t..s- results in lake dra~'do~. <br /> _.~__5 :~ %he event that lcng-ter~ <br /> <br /> <br />