Document adzJZ57Bm28BapjOKjMoxQB9

warts soesnessoscs --_-- L og ESRiAde LER Sr mmie Subject : N~x~cRms',v..l~a~eeal Site at--0, wy ~ TOC. E. KIESTER - ENIINENTAL 86. | FOLUTION COE - 4258 T~h4e0 ffoollllooewiinn8g 1is5 u vyeers7y bbrriieeff hhiissttoorr~y oof tthhee S3Hg tWVooodobdubr~y ddiissppoosssall ssiittee.. ln. Te aS Lh rune vy Se Pk Tomo Serato) the pie 19~ ~@ alto w~ ~r~ by St. Paul To~Ln~ ~a~e. All of ~he SET LL SILL th i ni ~ ~n~le ~ wet scr~ Ln the St. Paul a~8, tncl~L~ ~e ~ t~s Se ITITous Ehmmsed of pis on hi shen In pets Tor, 3 porased ~lito, vm dls~s~ of in ~its on this si~e. In A~t, 1961, ~ ~ed 3 TE rat Th Rereber hes sh vk 8 + copies tho site f~ St. Pa~ T~l. In ~ve~er. 1963, ~ a ~suit o a Tate Eh TT LI LS f~u t~ ~ Vill~e, HF tsr dis~sal on this sito wu dis~in~. In Arte chau ei meat 8hs 8 3ste ~. 1~, H. 5~sler. a ne~ l~diately on the vest si~ of the site. ~ain~ oE a t~t ~d ~r in his well water, it w~ s~s~tl~ deter- ETA ke Te che1 cor wi bh 15 Chemin SonATRIE, A nined by 3M that ~he t~te ~d ~or w~ due To ch~icsl cont~ina~on. Tbe Umaity tee 7 he tan hat of rie pro~ w~ ~mdiately s~arted by ~ to eva~uate the extent o~ the ~ develop a p~Sr~ for its solution. ~ private hyd~lojis~, ~j~e ~ckok. Ra retuned tor this stay. A 3 Fesult of (hi Stuy: bprofresvas exiab: ~ retai~d for ~his sty. ~ a resul~ of this s~y, a p~ w~ est~- lish~ to Fe~Ln ~ ~ye the cont~inat~on ~hat h~ ente~d the 8~d water {rim the vet $67 Lendfi11edon this Site. TheprofTem imvolred iastslistion f~ the wet sc~ l~fi~led on this si~e. ~e p~8~ *nvo~ved of a series of bs~ter wells, r~val wells, a~ ~se~a~i~ wells ~ ~tin- a TSlT Sry eri hs ~ ~ntToring of t~e ~ells ~d resident*a1 wells on ~y bobbing site. At the present t/~ there are 3 barrier wells, 4 removal wells, and 9 observa- lonvelTs pumping 3 focaolf out 1500gions per minuteof veter throug+h tion wells pu~In8 a total of shout 2~OO 8allons per minute of water through s Ee eetar esses it Hoes tan a hoy 6-~11e force m/n and s~er to ~he M~ssisslppl River. ~tached Is a sketch SP BEL map of the site sh~in8 these well locations. Since we have been pmq~ing and sstherinK data or about the last S years, and fe opi bein artnet oie oath of pmsl th in order to provide ~ore detail to management on the length o p~ing that will be required, a progra~ was initiated in the emmet o 1972 to provide the EEE follo~ing informstlon: 1. Has th progam ben ttucive? l. Has the program been 3 the present race of ping. bon Long 11 che 50 correct 2. A~ the p~sent ra~e of pu~pin~, how long will it take to correct 5. ox can the rate of removal be accelerated? ~he probl~? How can the rate of removal be accelerated? AA pprriivvaattee hhyyddrrool1egigstls,t, BBrruuccee LLilsessechh,, pprreevviioouu~sllyy wwiitthh Eugene Eugene Hickok, Hickok, vas was retained retained for ~he stu~. . EK) [] hl A he } ' LJ ] A SMMauadbdeejeAAcvvataiilPaabbllree bboyy 33tMreeffoorrrcIInnItsnsppPeeiaccittiivmooenneraa.nnddICCW,ooppNyyoii.nnggC2aa.ss0CC4o-on6nf3ifid0de9enntitiaall IInnffoorrmmaattiioonn: Subject to Protective Order In Palmer v. 3M, No. C2-04-6309 11009988..00000011 EExxhhiibbiitt 11009988 State of Minnesota v. 3M Co., Court File No. 27-CV-10-28862 MAG0336067 3MA00336067 at. a Jn 30, 973 -2- 4a eons of Di stud, th folowing concluntons ve Tent As s result of his study, the followln8 conclusions were reached! Le craton spar hvsoe vagtia The contamination appears to have been retained on our site and is beln8 effectively cont.)lied; however, an ~dditional barrier well 15 Feet tt Tarte ES rendsip ot 15 r~quired to insure that there wtll be no underground mi|ration of the contamination between barrier wells No. 2 and No. t. Included with this will be 3 ne~ observation wells. herms rc ofpepo, dpi ras fm ort 2. ~t the present rate of pu~pin$, depending on recharge from nors~l precipitation, it would take several hundred years to totally Famine the Sortanination fron te round nd he ground water remove the contamination from the ground and the ground water. In order to accelerate the removal of the contamination, a urn neTe water frm thet |Sarre direct recharge systom using the water from the No. I |artier ~ell was proposed. The existing open pits would be filled ater tnd Es acer Mitom perme este corn through the sol) water and this wa~er allowed to permeate dow~ through the soil a ho enter: Tray secheratne Be Saab fate 3 to the iround water, there~y aceleratlng the '~aehout" rate of ESTontmacion S11a Tn oe so adIsh s ena cantawheot ahs the contamination still in the soil. It is estimated that this could ~educe the time oF pu~ping so th~ the pro~r~ *ill ~e The fotiowng 1s the estimted cost for this re propos prog comt~lete 10 to 13 years from now. The following is the estimated cost for this ne~ proposed prol~ra~,. Barrier ~ell ~o. ~5,000 Tout projet co won 30~000 $100,000 J $0.46 rio ne ri - About $248,000 r~main~ in the original AFE that ~a.~ authorized t'or this proj 4 he pon tin he sna cos hs progr re ou At the presert time, the annual costs of this progra~ are about SSo,O00. It a ~t~ted that the proposed program would increase this annual expenditure RL to about $70,000. SC in pam ht 11 hes of hs proran sei e compleedn percion It is planned that all Fhases of this program ~ould be complete and in operation by the end oi! September, 1973. Following the completion of this ~ork, the AFF should be closed and an)" f~ture requirements be authorized separately'. As a result o a meeting with you, C. G. ~ueller, J. C. Juettner, D. E. Pederson, D, W. Johnson, H. C. Goldsmith and the ~riter on Arri~ ~4, it was agreed to proceed with this progr~. If you need any additional information, please let n~c know. ah CEK/cei 1) " ` L] \ [ |] SMMauadbdeejeAAcvvataiilPaabbllree bboyy 33tMreeffoorrrcIInnItsnsppPeeiaccittiivmooenneraa.nnddICCW,ooppNyyoii.nnggC2aa.ss0CC4o-on6nf3ifid0de9enntitiaall IInnffoorrmmaattiioonn: Subject to Protective Order In Palmer v. 3M, No. C2-04-6309 11009988..00000022 M3MAGA003033366006688