Document 4vVy3eRJq9xX9QLEXZrdLrxVG

- AATTTTAACCHHMMEENNTT 22 CSSTTOAAUTTNEETOOYFFOMMFIIRNNANNMEESSSEOOYTTAA COUNTY OF RAMSEY MMCIOINNNNNTEERSSOOOLTTAAAGPPEOONLLCLLYUUTTIIOONN CONTROL- AGENCY II5nnMtthhOeeaM kMadatattlteeerroDoiffstpthhoeesal (aka Oakdale Dump)Site Ou3OanMakdkdedOaralatiekch,,edaW WMlaeiasnsDhnhieiisnsnpgogotttsooaannlECCn(aovokuiuanrntoOtyny,ma,ekM MnditainalnenlneeDssouotmtaap) Site uRRMienensdsnpep.oronntShssteaeet.MaanniddnnLLe1iias1abo5bitBilal.iitt0Eyy1n-AAv1cic1trto5,,nB.m2e4ntal Minn. Star. II5B.01-H5B.24 RRREEESQQPUUOEENSSSTTEFFAOOCRRTION RESPONSE ACTION . Tor 33MM CCoommppaannyy ((33VM0)) ((ffoorrmmeerrllyy kknnoowwnn aass MMiinmn~ees~oottaa MMiinniinngg aanndd MManaunfuafaccttuurriinngg)) . 1 NOTIFICATION OF OBLIGATIONTO TAKERESPONSE ACTION NOTIFICATION OF. OBLIGATIONTO TAKE RESPONSE ACTION A. cTTohhni:s~stsid-tdouoctceuusmmeennRtteqissueiisssstsuuefeoddrbbRyyes.tthhpeeonMMsieinnnAnecestsoiototaan PP(ooRl'FlllRuutAtii)oo,nn aCCsoOna}tulrttroholol rAAigzgeeednnccbyyy ((MMiMnPPnC.CAAS))taaa.nndd ScoSn1s1tiStuBte1s7aaRndequIesSt IfoSr Regponse Action (RFRA), as authorized.by Minn. Stal. 115B.17 and 115F1.18. B. YOU ARE HEREBY NOTIFIED tha the MPCA has made the following -B. GdYeeOttecUrmmiAninRaaiEloionHsnE.s:REBY NOIIFIED that lheMPCA has made the following 1. MTTihhenen33eMsMosOO,uakkiddaatlhlee DDlioiscspaptooissoaanlloSSfiiatteer((eSSliiettaees))ellooocrcaath~trSeeddaiiinnenOOeaadkkdodafalhleae,z, aWWradassohhuiisnnggsltuoobnnstCCaooncuuennsty,, : MoMorirnipphaoon,llellsuStottaaattann.,ttssisoo1trrh1cec5oo8lnn.o0ttca2aam,mtiiiosnnunabandon.tsfsa5aarnn3edd)leccaoosnenssotiirtuutthtersseaaateffnaaceiidllitosy'~f hwwaizittahhriidnnotuthhseesmmuebeasatnnaiinnncggesooff Minn. Star. 115B.02, Subd. 5(3); 2. oTTfhhMerrieennhh.aavvSeetatbb.eeeenn 1ao1nn5ee8.oo0rr2mm,oosrureebd.rreelle1ea5assaeenssadatcooonrtffirnooumme ttthoheebeSSiirtteeelwweaiisttehhsiinnantthdheetmmreeeaaatnneiinnncggd roeflMeaisnens.oSfhtaatz.ard1o1u5sBs.0u2b,stsuanbcde.s1o5rapnodllcuotannttinsuoertcoobnetarmeilneaanstess;and threatened releases of hazardous }ubstances or pollutants, or contaminants; 3. TMTihhneenssuubbSussatt.aanncceess11rr5eel.lee0aa2ss,eeddsaaurrbes.hh5aa;zzaarrddoouuss ssuubbssttaanncceess wwiitthhiinn tthhee mmeeaanniinngg ooff Minn. Stal: 115B.02, subd. 8; 4. The releases and threatened relassar from one or more facilites; 4. The releases and threatened releases are from one or more facilities; 5. 5. WWreisittphhonrrseeisspbpl.eeeccttpe0t0rsttohhneessw~erietrl~hielenaastsehesesamannddettahhrreeraoattefiet{nMneeiddngnrr.eelleeSaatssatee.s~,,33M1M15Cc8oo.m0m3pp,aasnnuyybd.iissaa10); respc~nsible person within the meaning of Minn: Star. {} 115B.03 subd. 1.(2); . 6. TpTuhhbeeliaactctihieooannlssthrreeoqqruuewesestlteefddariiennortthheethRRe FFeRRnvAAiraaornremerreneaatss;ooannanabdbllee'aanndd necessary necessary to to protect protect the the public health or welfare or.the environment; and B~"oTTaeerrrdmmssleuumsseeddpriiennpatthhreeedRRfFFoRRrAtAheaanniddssttuhhaeencEEexxohhfiibbtiihetss ttRooFtRthhAee.RRFFRRAA are are defined defined in in Atachment ~,ttachment I11 10 to the the Board Item prepared for the issuance of the RFRA. Exhibit 2301 22330011..00000011 STATE 02339051 STATE_02339051 33 One Dispss Svc 3M Oakdale Disposal Site Minncsot Environment Respond ish Act Minnesota Environmental Response and Liabili~y Ac! Oude Minnests Oakdale, Minnesot~ . RRReoesgqpuuoeenssst effooArrction Response Action 77.. T"RThFheeRssAcchhieesddruuellaeesoffnooarrblbbeee.ggiinnnniinngg aanndd ccoommpplleettiinngg tthhee rreeqquueesstteedd aacctliioonnss iinn thhiissRFRA is reasonable. . HH`aCavoviminnpgganmmyaatddaeeketthhteehesseerddeesetpteeorrnmmsieinnaaatctitiooinonsns,s, dttheeescMMriPPbCCedAAinffooSrremmcatalillolyyn.rr1eeqquoufeetsshttssistthhRaaiiER33MAM. A ,tt"CiTimohmemeettrpaaebabalnlseeyonfftbsoarrkfebboeretgghtiiehnnernneirisnenpqggouaeansnnsteddedacccooatmmcipotplinleosenttdsiinenarsggcttrhishbeeetaadoccuttiintioionSnnseScieitscioeetnssittoaa1nb1bIll1iio.sshfheteShddeicsiitnnRioSSFneeRccVtAt.ii0.onnAIIVV.. ddTreeehsqsecucrerriisebbtaeeesssdonttrhhseeesfpoiinorntntteeshnneettiiaorocenntqiuooofefnstttwhheieedthMMaicPnPtiCCtohAAnestttaoiormetteaatskkaeeebtlaaoeccuttetiisooitnnnabiSiflf3ei3csMMthieodnffaaiiIinllIss.Se1tSoc0etttciaatokkinoeenIttVhh.Vee Section rVRVeFqaRaullAses.osotdededeCssocr{serrtsiibpbreeoessnmsttbhehuee.r,accscooetinnmossneeenqqwtuuieetohnnbiccnleeisstgohaoeftfitiffomaniielalutrareeebldtteeoosesscsaartttaiiibbssfelfiadascchitteonodrrSiilleiynyctrrSieeeossncpptooiVonn1ndd to the IV. Section. to the RFRA. Cost reimbursement ob]igalions are described in Section VI. 1D. 33uMnMdemmruuasskttennotothtieiffryyettshhpeeonMMsPePCCacAAtiossnttasalfrleiinqnwuwreisrititciidnnggibnbytyheMMRaaFyyRA11.55,,22F00a00i77luoorfef iibtssyii3nntfMeenntttioioonnno~stittfooy : attuhchnteediMMoenrPstPa,CCkmeAAatyhSsettararefefssubbplyyoiMnMnsaaedyyeatc11et55ir,o,mn22is00n00rae77tqioouoffensiittssebdyrientittnheeennthttMiieoPonRnCssFAttRooAuuunn.ndddeFeerrarttiMalauikkrneeen.ttbhhyeeSa3rreetMssppotoonns1nse1e:o5t8i.f1y7, saucbtdi.ons1,(am)(a3y) rheastultthien aactdieotnesrmreinquaetisotnedbywilthlenoMtPbCeAtkunedeirn Mthieram,a. nSntaerr. an1d.t 5wBit.h1i7n, ttshhueebdtti.immlee(arr)e(eq3quu).eetshsttaeetdd.t.he actions requ.ested will not be taken intbe manner and within NENomotetiirffgiccedaniiciiooynnoRofefsttphheoensiinnetteeSnnettctssihhooonu,ullddRebbmeeedsseeinnatttittooonGGaDarirvyyiLsL.i.oKKnr,!u'uMeeiggneenrre,,sSSouutppaeerrPffouulnlnuddtiaaonnndd `ECnCumoomnnetbtrrreg0oerl1n-(AcA6ygg3,ee1nRn)cecy2ys,9p,6o5$-n622s100e39LLs.aaeffcaatyyieoetnt_tt,eeRRReoomaadde,,diSSattt..ioPPnaauulDl,,ivMMiisininonnnee,ssoMottaian,,n55e35s11o55t5a5,,Pttoeelllleueptpihhooonnnee . 'number (651) 296:6139. E. ]IffoF3r3tMhMinffaatiihlssist(o0R'tFtaaRkkAee,tthhteeherreeMqquPueeCssttAeeddmaaaccyttiioponnrssociiennettdhheetommmaaannknneeerraaaDnneddtewwriimttihhniinantttihhoeentiiTmmheaetsseett AsAfocucrtttcihioaohnninssdetWWhtiieislrlllmR.iNNFnoRaottt.iABBo,nee,thTTe(aahkkMeeeMPnnCPiinnAtChtAhmeeamMMyaaypanrnnaonuecetrerheaoadnrnidtdzoeTTmilimimatkeieegaRRateieqDoqunueesteteotsretrmeded.qi.nuiaUUrtieppooo3nnnMTmmh1aaaktktiiannkgge nensleueecccceehtsssassaa0drreyyitmerrerpemslspepionomnnaesslnieeotnaarc,cettitsiohporeo~nnMsssaaePnnCaddcA/otgirromnrrseae.iyimmabbTuuhutrehrsssoeeeritetzhhepee slssittaaiatgtveeaetffidoooerrnscccloorosgitrbtseseqdiiunnmiccrouuerrrrer3eeMddfuiiflttfolythhtaeienksesttaattee Section V. elects to implement Section V. response actiong. These steps are described'~nore fully in ~ IL. REASONS FOR THE REQUESTED ACTION II. REASONS FOR THE REOUESTED ACTION ' `pSSeaarmmfplpluleoesrsooocffhseosmioilil,c,agglrrsoou(uPnnFddCwwsa)atteceror,n,ssstuuirrtffuaatccieengwwahatatezerar,,rdssoeeuddsiimmseeunnbttstaaattnttchheeesSSPiitFteOiiAnnddaiicncadatetPttFhhOatSt,rreelleeaasseess ooff possppecedrccfcuiliufrfioieccrdaaollcalltyhyetppmheeerricffSlilautuloeso.rr(ooPTooFhccCl!eaasnnS)ooiictiecconmaasecctieiiddttus((tiPPtnFhFgeOOhdAAae)fz)iaaanrnindtddoiuoppsnee'r{osffulflbuusoo"triaf'ooanncocciceiltsaiatnnPyce"FssuOaulnlAffdaannaiasanttdteehPe((PFPsFROoOOuSSrS,)c)e,; ohhfaavvee orseecllceeuaarssreeessdooarrtttthhhrreeeaaStteietuene.eddTrrheeelleeSaasisteeessmooffeehhtaaszzatahrreddooduuessfinssuuitbbisosttnaannoccfeeasso"orfrapcpoiollilltluyuit"aannatntssdooirrs ccthooennttsaaommuirinncaeanntotssf. "TiTnhhveees33tMiMgaOOtaiaokknddsaalalecndDDirisesppsopososanalsleSSiaittceetihhoaansss bb1ee0eeanndtdthhreeesssnubbrje.ielecectatsooefsf pparrneedvviitoohuuescsameine~vnveiidrroornnemmleeenantstaeasll of . hhOinaarvzzdeaaesrrrdtdoioognuuasstJiousslnuuybsbss2att6naa,dnncc1ree9ess8sp3ooot(thhnaeesmrerettnahhdcaatennidoPPnosFFnOIOoMAAaaydaadnnrd2de2s,PPsFO1rOS9e8.Sle4.a)sMMweisPPtaCChnAArdestsahpnnerddeeta33tetMMoneteedhnneterseererleeerddaeslaaeesaCCsooeonsfnssaeennndtt Order on July 26, 1983(amended on May 22, 1984) \vith respect to these releases and 2 22330011..00000022 STATE 02339052 STATE_02339052 304 Oude Dispose Si 3M Oakda]e Disposal Site Mincson Environmcatl Resporsc and Listy Act Minnesota EnvironmenlaI,Response and Liabilily Act Osi, Mimo Oakdale, Minnesota Requestfo Request 'foiResponse Action Response Action trtheh~lre:eeaaastteeennoeefddPrreFellOeeaaAsseesas.n..dt~fPeeFccaOauuSss,eeatMMthPPeCCtAAimhehaatddhennooCokknnnsooewwnltleeOddrggdeeeroofftwthahese errenetlleeearasesede,oortrhttehhrCieeoaanttseeennnectdd Order dDoreioelseespsaosnnseoaotlot faaSppiPtppFelf.OyyAAt0oatrrneheldeleearPasesFeqeusso,esosotrratotthfhtrhceMaeatPtteeiCmnnAeeeddtshrrteeeallfefeC,aaoss3eenssMsoeofnhftaPPsOFFtrOdaOkeAAerncAwAeaNNrstDDaeinPPntFeFarOOcetSdSi,os"nattsht etthhwCeeito33hnMMsreeOOnsspta'ekOkcddtradaltleeoer Dreilsepa0sseaslaSnidtet.hAretattheenerdeqeuleesitsoesf MofPPCFAO~AtaAfl;N3DMPhRaOsStaaktetnheceSrittaeinsiancc'teioJnusnewi7t.h2r0e0s4pect to releases and threatened releases of PFOA AND PFOS at the'Site sinceJune 7,2004. rAAeddsddpioittniiosonenaalalctiininvovneessstt0iiggaaadttdiioronnes.iisssnnteeeeeddreeeddlettaooseeevvaaanlluuaattthe,r,essaeetlleeencctet;d; ddreeessiilggnnaaaonnfddPiiFmmOppAlleemamieednntP'aaFdddOdiiSttiioaotnnaaallnd arffrediosdompimotnotthhnseeealSSaiciitttnei.f.oonrTTsmhhateeotirraoeednqqduureneesesstctsee.etddshs~aaaccrrttyeiioloetnnasssfessueltatlnyffdooerrvttthahhrleiiunanatteSS,neeccesttd~ei.looreenncslseaIaIInsedaannodddefPsI1ilFlgOnwwiAsillpl appphrrrdooovvpPiirFddaeeOtSreastpaonndse aacdtdiiotinosnaanldinwfiolrlmpartoivoindenf.oecetshsaryimtpolefumIelnyteavtiaolunaotfe,rseealseocntaab~lde daensdignnecaepspsraorpyriraetseporensspeqnse actions and v.,i!! provide for the imp!emen/ation ofreasonab!e and necessary response aancdtiPoFnOtsoS maitntihmeiSziete,.abate, conirol or prevent releases and threatened leasesof PFOA actions to minimize, abate, control or p.reyent releases, andthroatened fkleasefi ofPFOA and PFOS at the Site. ' lil. RREEQQUUEESSTTEEDD RREESSPPOONNSSEE AACCTTIIOONNSS "TrTehhmeeoMMvaPPlCCoAAr rhheaamssedddieeattleerrammcitininoeendds(((11r))ehsthpaaottnsttheheeaaacctctitiiooonnnss)s sswppietechciiiffniieetddheii_nnmetthhaiinssiSSneegceol{fiiooMnniI1n1l1.ccooSntnsasttt.iittuuttee nr11ee1tmc55e10os3.vs.00aa22lr,,yossr0uurbbedpdmsrs.o.etde!1ic66a,t,l h11a77ectaaiponnunddbsl1i1(c88reaahsnenpaddol.nt((hs22,e)) wttahehclaattfitoattnrhhesee)ssoeewr rritetehhses.inpneoonnnlvhssieeeromaanccemttaieionnontnin.ssgaarorCeofMnrreseaaeinssqoonunne[aanSbbttllaleeyt.,aanntddhe tMnMiePmPceeCCtsaAAsbalrhhyeees' rrteeoesbbtpyyarbofflotoeirrscmmhtaeatldlhlleyyinprreSueqeqbcuutteiecissotthsnsettaIehVl.aathtt,33wMMel.CClhoormmeppoaranntyhye.ttaeaknkeevittrhhoyen. mrreeessnpptoo.nnssCeeoaanccsttieioqonnussenwwtilitythh,iitnnhetthhee timetables established in Section IV. TTeshhpeeoMMnsPPeCCAaAc't'ssioppnuusrrapptootssheeeiiSnitiies.sssuuiTifnhlggettchhriiissteRRriEFaRRfAAoriissetl(oe0ceetxxipnpegeddtiihtteee rttehhseepiiommnpspleleeammcetenintotanatstiioonnbooeff riimemsppplloeenmmseeennta/ecetddioaanttstthahete Site ar the Site. Site are specified in Parts 1V.C. ofExhibit A o this RFRA The criteria for selecting the response actions to be specified in Parts tV.C. of Exhibit A to this RFRA. AA(lsllulbwwmoiortrakklppsl)laannassr,, rrseeuppbojoerrcttst,, tooorrrooettvhhieeerrwddoaonccduummaepenpntrtsos.vta0olbbebeyssutuhbbemmiMittPtteeCddAbbyyin33aMMcucunodnreddrearntchtheiisswiRRtFhFRRExAAhibit A, Part IV Band Exhibit B, Part V.A (submittals) are subject to review and.approval A, Part IV.B and Exhibit B, Part V.A .. by the MPCA in . accordance with Exhibit A. Remedial Investigations and Feasibility Studies A. Remedial Investigations and Feasibility Studies p!Ihrhoeevippduuerrppsooussleeliooi~efanatRRieenmmfeoedrdimiaaaltliIIonnnvvetesosttuiinggdaaettiiroosnntaaannndddtFFheeeaasssicibbaiip!lieit)t>aynSSdttueuddxyyte((nRRogUfFSSt))eiisrsettlooeases paeafrnnofddevtc.thithdrireeveaesatnuteeefnsfnseiecddoiefrrneeltlleeeimananssfeaoesstrmiaavttaeatainnrodednsfftprorooonmumsnedtthrceeertsiSStaioittnenedaattrnhoidderttsoooctoeepveveaalpaulunabudtleaitectthxheetheeenffeteaaaolssifibbstihinllediittyryweelaaelnnafddsaer~e earadefnfqddeuctiththrieevemeeeennnnevvtsiissrroooonfnfmmtaeehlntenettrRnwwIaiFitttFihhvSerrreeresseppsedepcecotstnc0tsroeittbahheceedtirroieennllesEeaaxtsshoeeissbpiraaotnntddAectttthhoprreuetaahbtitleseincnReeFhddReaArreel.tllheeaasasEenexsdsh..iwbTTiehthlefe.Aareis raaeppqppueeinnrddeeemddettnootsaa.onndfdtmhmeaaddReeI/aaFnnSiinanrtteeeggdrreaalslcppraairbrttedooffintthhEiissxRRhiFFbRRit-AAA ~o this RFRA. :. Exl~ibit ~ is 3 22330011..00000033 STATE 02339053 STATE_02339053 3M Oskle Dispos Sic 3M Oakdale Disposal Site MissaEnvironment Response snd Lisl Act Minnesota Environmental Response and Liability Act Osis, Mins Oakdafe, Minnesota . RRReesqepuoeensst effoArcion ' Response Action B. RReessppoonnssee AAccttiioonn DDeessiiggnn aanndd IImmpPlleemmeennttaattiioonn PPllaannss "TpThhree ppouurravppoodsiseeeadoolffeeaadRRdeeemmseiedgdiniaaall DDreeadssniigginnmpaalnneddmeRRneetmmaetedidioiaanllpAAlca~tntiiofoonnrPPhlleaanns(e(RlReDDctR/eRAdARrYPes)i'pissonttsooe aapacncrtotdiivooitndnhss,eewweahnhidviceichtrha,o,inluuemppdeoondnnteiisfmmirgpponllmecammtnehdcnentatraanettliiiecomamnsp,e,lewwaimnilldlel ntppthrrarooteittoeaectnctepnttehlhadeenrppefuuolbberllaiiishcceeohhfseeeahlllatethzhcateaardnndddoreuwwssepelloffnaarsreee srasuuenbqbdsusttithaarenneccmeeeenssnvtooisrrorofppnotomlhllleueuntttaaRnnfDtrtsos/mooRrrAtcchPooennarttneaadlmmeirainesnaesanpnatotnsnsdsaaestshsasroocectcaiiitaaoetntneedieddmwwpirliettelhhmeeatthnsheeteaoSStifiitteoeh..nazrTTaherhede.doeusscribed in EtErehxxiqhshiuibiRbriFeittmRBBAe.nttotos,tthohiifssthRReFFRRRAAD..!REEAxxPhliiibabinitdt B is sppende 10 and made an integra part of response action implementation are described B is appended to and made an integral part of in this RFRA. The response actions requested in his RFRA shall assure tha public health is X bppTrryhooettreee,rclcetetseaepdsdoewnwsisoitetfhharPrceetFssipoOpeneAccs_tatrenttoqoduppPeuuFsbbtlOeliidScc iaafnnnrdtdoh/]miotosrhrRippsrFriiRSvviaaAttteee,sddharraniildnlnkkaiiisnnnscggulruwwedaeatthteaearcrttssipuuouppnbpspllli1iiceesshperaaaefflffvteeehccntttieesdd apbarddyoddvriietiitldoeienaoasanlelaotsoer.lrornfffaPiut,ttFeuuOrrdeerArirenealklneeiaandssgePewssFaOaatffeSffreefccsrttoiipnmniggetddhrsriiisnnokSkriiintnaeggp,pwwarnoaepdtreriirnascstunleupppdepleailieteasmsc.,teiaaonnnntddos fttto6odrpirnekvienngt. - wrpweraalotteveveiradnssgtuupapMplptlDeliireeHnssatt0hoeeaa&alss+isshiuun-rrkbeeiansttghehadwat asdctarreinirnndkskauiidnpnsgpgw.lwiaetaseteorraaaffpffepecrctoteepddriabbtyye ttlhhreeesaseetmrreeenllee',aasoseefssdmmrieneekettissng relevant MDH heald>based standards. C. RReeppoorrtss TbTyhheethM MePPfCfCiAAcenCCtoohmmmdiamysissasifiootneneetrrhesshhfaaallsllt bbmeeonpptrroohvviiinddceeaddcwwhiittrhheQQsupnaeractrlteererllyyquapprrrtooegrg.sreessTssrhereeppoporrrtotssg,dsdeusuese rrsbeeyappmootphrrltetsesfsisafhhntaeaalelllnlydtGtse~eesssdccrraeiiysbbteeasfaatacecntrtidivvthiiotettiiheeleassrscctdoomanntdodaunucgtchtateetmdhdeppreuueardrcsshouuraarnenrtsetpct1.eoeicvttthiheviidsse, RRqdFuuFRraRirAtAn,egr,.taahnnTeddhperrreeepsscuuieolldttgssirneoogsffs three months and activites planned for the next quarter. sample analyses, tests and other data gathered or received, during three months and aciivities planned for the next quarter ..... the preceding . tWWhieittrhhciiannfetthrhiirruttnyyle((s33s00))otcchaaellerenwndidasraerdadadayvysissooefdfttbhhyee teehffeffeePccrttoiivjveeecdtdgaM~ttaeenooafgftehthrii.ss RR3MFFRRsAAhalaalnnddsuqqbuumaairtttee0rllyy tctthhhoeeenrdMMeuaPcPftiCC(erAAdupCCnuolroemsmsmusaimonsittsshis1eio0rowntnehieirsrseqaRauqFdauvRraiAtsre,etedrrallbnyyydsstruuhememsummPlatrasrorjyyoef scrrteaeppMmooprratltneddaegetateanariai,lllii3ynnsMgge.sal,sllhltaaaelcscltttisisvvuaiibtntiimdeessiatsthoer cdathoatetnaadeuggxacattttehhodeerrrepeqduduoraosrurreaerrneccteeitiovveetdhdi,s,.ddRuurFriiRnngAg,tt.hhaeendpprrreeeccseenddlliisnnggofqqusuaaarmrtteperrleaanannddaaalcyctstiievvsii,ttiiteeesss,ppsllaaannnndeeoddthffeoorrr "" the next or qiJarter. "TThhee ppr~o'oggrreessss rreeppoorrttss sshhaallll bbee aaddddrreesssseedd ttoo: GMGiaanrrnyyeLLs.o. tKKarruuPeeoglgelerur,t,iPPornroojCjeeoccntttrMNoallannAaagggeeernrcy MSSReuuimppfeemedrreiffusauontntdidaoaaPnMnodDl'liEEuvmtmiiesoeirnroggnCeeonnncctyyrORRleeAssppgooennnscseye SS:eeccttiioonn RSStte..mPPaeaudulil,a, tMMioiinnnnnDeesisvooittsaaio35n55115555 D. Dats and Document Availabilty and Renin D. Data and Document Availability and Retention a33nMMd sschhoaaplllyl ppaleelrrmmsiaittmptthhleeinMMgPPeCCs~tAi,nssgtt,aaffmffoaannniddtl/ooorrriniigttss, aaouurtthohtoohrreiizrzeedddarraeeppirrreeassneensntmtaaitttiitvvdeess0i0o07iinnssppeecctt -+ gagenenndilcecrroaaptteeydd abbllyy s33aMmM ppplieenrrgtat,iantieisuntgiin(ntg0og, work undertaken pursuant 10 his RFRA. 3M monitoring, or ottSer data transmitted to or work undertaken pursuant to this RFRA. 3M sshhaallll 22330011..00000044 STATE 02339054 STATE_02339054 3M Odkdale Disposal Site tMinnesota E-nvironmcntat Response and Liability Act Oakdal, Minnesota Request for Response Action allow duplicate!split samples to be coliei:ted by the MPCA staffand!or its authorized .representatives, of any samples collected by 3M pursuant to this RRFFRRAA.. 33MM sshhaallll mmaaiinnttaaiinn aa cceennttrraall rreeppoossiittoorryy ooff tthhee ddaattaa,, rreePpoorrttss aanndd ootthheerr documents prepared pursuant to this RFRA. All data, reports and other documents prepared pursuant to this RFRA or related to the release Or threatened release of PFCs at or from the Site shall be preserved bY 3M until 3M is notified otherwise b)) the MPCA: " to Actions to Address Other PFCs Commissionaefre,r consultation with MDH, believes thet a release or threstensd ~ If, during implementation.of redponse actions pursuant to this RFRA, the Commissioner, after consultation wit.h MDH, believes that a release or threatened. rreelleeaassdeooffa.annYy PPFFCC ootthheerr t~haann PPFFOOAA aanndd PPFFOOSS ((iinncclluuddiinngg aa rree.lleeaasseeooffmmuul!ttiippllee MPFECRsL)A',,at othrefrCoommmtihses.Siio~neemreweitlslthnoetirefyqu3irMeorrfih~niiss fionrtetnatktinogamacetniodntuhendReFr RA to MERLA, the Commissioner.will notify 3M of his intent to amend thi: RFRA to address the relcase or threatened release~ The Commissioner will also give notice rtroeeggtaah}reddBiinnoggartthdheeaSSnidtiet.eto.]a'Thnh)ee, pCCeoormsmmoimnssisswisoihononeehrrawwvieillllreppqrruooevvsiidtdeeedaanrroeataiscsoeonnoaabfblMleePppCeerAriiooaddctffiooorrns comment on the prgposed PdZlC4 amendment. Afler consi~tering any timely comments, and unless the matter has been referred to the Board for a decision;the Commissioner may amend the RFRA toaddress the release or threatened release. IV. TIMETABLE FOR COMPLETING THE REOUESTED. ACTIONS TThhee MMPPCCAA hhaass ddeetteerrmmiinneedd tthhaatt tthhee ffoolllloowwiinngg ttiimmeettaabblleeiiss nneecceessssaarryy aanndd rreeaassoonnaabbllee.. TThhee timetable refers to specific elements of Exhibits A and B to this RFRA. Unless otherwise specified, "days" means calendar days. ' Notice of Intentto Comply May 15, 2007 a Submil RI)FS Report (Complete | rreeqquuiirreemmeennttss ooff EExxhhiibbiitt AA)) Initiate Interim Response Aclions appropriate) MPCA Commissioner l~sues Minnesota Decision Document June 15, 2007 WWitithhiinn 3300 ddaayyssooff CCoommmimssisisoionenre'r'ss aapppprroovvaall ooff interim response action plan Retain Consultant to Complete the Within 30 days of Commissioner's approval of Requirements of Exhibit B Submit RD/RA Work Plan the FS Report. Within 90 day; of Notification of MPCA Commissioner's approwd of FS Report Initiate RA Within 30 days of Notification of MPCA Commissioner's approwd of RDfRA Work Plan : Report Resuhs of RA Implementation a CCWoomimtmhiimnsiss6is0ioodnnaeeyrrsttohhaafttcaaollmll oopflte'ltthiheoenRRTbAAy' ootbhbjejeecMcttiiPvvCeessAaanndd cle:____~nu__2p levels have been met 22330011..00000055 STATE_02339055 33 Osos Dispos Ste. 3M Oakdale Disposal Site Minnesota Envieonmenil Response nd Liskily Act Minnesota Environmental Response and Liabilily Act Cokie, Minncson Oakdale, Minnesota RRReeeasqupueoesnstst effooArrction : Response/~tion t33hMMe dshthaeallsll oppFrrooommtphpietrllyytennroomtiisffoyy,ftthhteheisMMRPPFCCRAAAo.fofaSanunycyhaannntotiiiccciipepaastteheddaloorrinaaccclttuuuadalel ftfaahiielluurrreeeast(oo0nccsoofmmoprplltyyhewwiitthh tnpnhrooeonnpccdoooasmmteepsdpllio1iaar0nnoccctoeehmeaaprnnltddyerssmwttieestpphssotfpphrtrheooippisoonRtsseeeFnddtRoAffoof.rrtahSirrsueecRtthuFurRnmnoAIft.oioccceooTsmmhhpeapllMliliaaPinnnCccceelAuoodmreraaatylhltteeearrrcnnecaaaettsipiovvtneeosaracfcmottoirioodtnnhissefy. the ppaprnrrooodppptooohsssaeeetdddthtaaoeklttneceeromnemaadttpiiflvvyoeerwaatcchittethiiomotnonhssdeiiiffiftnithctheaeenttiMMooPnPfCCtshAAinsoddRteeFtateerRrerAmsmui.ilnnteTeosshfttefhhM aaaittlPussCurueccAshh wmmmieateayhasisuanurcrtceehessepaatcrrooeenrtaarmddoeeloqqoduuifafatyt3eeMth.e .eTa"vTnhhedeenttMMhtaPPhtaCCtthAA3e Mmmneaaseyyudbggfmrroiaartnnsttthaeeexxwmttreeoinndtssiieiofoninncssraetooiqfotufnehtsheites fttnoiiomrmtteeahsserc(eehhsxeeutddleutunlloseeifssofanscietlbtuefiff'ooeorrsrttehhwtiiinhtnhettihndhiiesstahdRRelFFicnRRoenAAtfrooiirnnl wttohhhfeie3cMh . ettehhxveeteeneenxtxstttieehonnansst ii3ooMnn is sought, submils a is sought, and demonstrates to the MPCA good cause written request for the extension before the and demonstrates to the MPCA good cause for granting deadline for for granting thewhich the extension_ Vv. RMMEPPSCCPAAO''NSSSIIINNBTTLEEENNPTTEIIORONSNOTTNOO'STTAAFAKKIEELAUARCCETTIITOOONNTAAANNKDDECCROOENNQSSUEEEQOSUUTE~ENNDCCAEECSSTOOIFOFN RESPONSIBLEPERSON'S FAILURE TO TAKE REQUESTED ACTION AA. YRYeOOsUpUonAAsRReEEanHHdEELRRiaEEbBBilYYityNNAO6cTTtI,IFFi IIEEDDretsthhpaaottnsuuinnbddleeerrpttehhreesoMMniinnfnanielesssoo(tt0aaaEEknnevviitrrhooennammcetenintotanalsl mrRreeaeqqysuupeebossentteessdeduibainnjnedttchhtiLiss1i0aRRbtFEihlReRitAyAfoAliinlncaota,wnniinfaagdadeearqqcetuusiapaotonteesn:soo]rrNttieimmpeeellryysoffnaasshfhaiiioolnsn,,totthhteeakrreeesstpphooennsasiicbbtliloeenppseerrssoonn may be subject to the following actio~ns: 1. tsthheeeckMMrPPeCCcoAAvemmryaayyfruuonnmddeetrhrtteaakrkeeespooorrnccsooimbmplpelleeptteeersttohhnee rfrgoerqquuaelelssttceeoddstrrseesaspspsooonncssieeataaeccdtiiowoinntsshaasnnuddch seek recovery from the responsible person for all costs associated with sucl~ action; or 2. ttthhheee rrreeessqppuooensnstsieibbdlrleeespppeeorrnssosonenammcataiyyobnbese ossurubbfjjoeerccttinttjoaunancntaaicvctetiioroennlitteoofcctooommepnpjeeo!linppeetrrhffeoorrrmemlaaennaccseee oonf threatened release the requested response threatened release. actions or for injunctive relief toenjoin the release or Irnneeqieutiethhseiererdccabasysee,ta,haerrMeessPppCoonnAssiiibbnlleeanppeearrdssoeoqnnuawwthheooaffnaidillssttitomoealtaykkeefattshhheeiorrneessmppaooynnsseebeaacsctutiiboojnnessct to civil ~ cprpeaeeqcnmuhaaelldtsiiatceeyssdtiinbhnaytaanntthhaaeemmMrooeuPusnpCntotAn1tso0iinbbhleeaenddpeeaettdreeesrrmqomnuiiannfteeaeddialbbntyydolttthhiameekeeccoloryuuerrtatilsaooosfnhfuaiuobppnletmtooaan$$yd220b0n,e,e00cs00eu00sbspjpaeeercrrytddtoaayyciffvooirrl erreaescsphpoodnnassyee taahcctatiitoo'ntnhss.e. responsible ' person fails to take reasonable and necessary B. rYYeOOspUUon'AAseRRaEEctHHioEEnRRs,EEtBBheYYMFFPUUCRRATTHHinEEtRRendNNsOOoTTIItFFaIkIEeEDoDntthhaaotrt iimfyfoyoroeuuotff~uatlilhe0toattcaatkkieeonttshh~esprreeecqqiuufeeissettdeedd in Parts V. A response actions, in Parts V. A. the MPCA intends Io takeone or more of the actions specified : o 22330011..00000066 STSATTAETE0_202333399005566 . 33N3Mi4nnOOeasakkodtdasallEeenDDviiissrppooonssmaaellnStsiaittlee"-Response nd Lily Act OMakindnaelseo,taMiEnnnveisrootnamental Response and Liability Act Oakdale, Minnesota - RRReeeqsqupueoesnstst effooArrction Response Action VVII. RREEQQUUIRIERMEEMNETTNTOTO RREEIMIBUMRSBETTUHHEERMMSPPCCEAA tYYhOOeyUUcAAomRRpEEleHHteEEtRRhEeEBBreYYquFFesUUtRRedTTHrHeEEspRRonNNsOOeTTaIcWtFiIIoEnE,DDmttahhyaattbttehheererrqeeussipprooenndssii1bb:llee ppeerrssoonn,, wwhheetthheerr oorr nnoott they complete the r~quested response action, may be required to: AA.. rrieeniicmlmubbduuirrnssgeeattlhhleerMM esPPpoCCnAAseffcooorrstaaslll,l rraeenaadssooanndaambiblnleiesaatnrnaddtinnveeecceeassnssdaarrlyyegeeaxxlppeeexnnpsseeensssiiettsiinniccnuutrrhsse,, iinncvleusdtiingagtiaolln raensdp/oonrscelceoasntusp,oafntdhaedrmelineaissetr;aatinvde and legal expenscs in the investigation and/or cleanup of the release; and B. pay damages for any injury 10 or oss ofnatural resources resulting from the rpreeallyeeaadssaeemooaffagaeshhaafzzoaarrraddnooyuussin.s_sujuubbrsysttaIaonnccoeer,, lppoooslsllluuottfaannntaltoourrraclonretsaomiunracnets.resulting from the 1715 50 ORDERED IT IS SO ORDERED CCChooamimmrim,sCissiistiiooznenenesrr' BBrBraaoddweM Mdoooorree . Minnesota Pollution Control Chair, Citizens' Board Minuesota Pollution Control AAggeennccyy be ' 22330011..00000077 STATE02339057 STATE_02339057 "TabELlXeXoHUfIIBCBoITnItA,TeAnts TaN e of Contents L INTROPUDRPOUSECANTDREIQUIORENMEN,TS ............. Al ,INTRODUCTION, PURPOSE AND REQUIREMENTS ................. 1A" Intoduction . al I.A." Introduction ............................................. . IB Pupose... 3 B Al I.B Purpose ........... ' ............' ............. : ........... " IB Remedial investigation al I.B_I. EB. Feasibility Suidy.... +o. oonse en Ad t.B.2. Remedial Investigation .............................. . Feasibility St6dy. .................................. IC Requirements Az I.C, Requirements ............' ................................ A 1 A-1 "A-I A-I A-I A-2 III RETAINCONSULTAN.T RETAIN CONSULTANT ............... "..ee.ri.e" .... ...- ....." ........... Aa-22 HL REMEDIALINVESTANID FGEASAIBITLITIY SOTUNDY. a2 Ill. REMEDIAL D,rVES~IGAT[ON AND FEASIBILITY STUDY- ............ A-2 HLA. RUFSObJGeINS. o.oo nnn A III.A. RUFS Objectives ............................. "............. A-2 MB. RUFSWorkPlan Submit a3 II1.B: RIFFS Work Plan Submittal .................................. ILC. RUFSWoPlanr Contk ents A3 ,III.C. RIFFS Wo~-k Plan.Contents ............. ' ................. . .... .A-3 LLC Project Management A3 III.C.i, WIC2 BaLcLkCs2iao.undOEpvaelruasttiioonns Historyof he Sit[ e A As 1II.C.2. Project Management ...... : ........................ A-3 Back~ound Evaluation ............................. A-3 .I[l.C.2.a_ Operational History of the Site... ............ A-3 WC2h. Topographic Suey Lae 1HC.2.b. ~fopographic Survey ...................... A-4 . NIC2. HRiesmteodriyaloforStReeAmosvasleAcstisoWnomsreknantd as llI.C.2.c. Histow of Site Assessment Work and Re~edial or Removal Actions ........... HLC2. HdentioffDiataauGaopns po lll.C.2.d. Identification of Data Gaps ................ Aid WC SHHLLCCa33ab..mapnLdSIalnbvoearsiattimognraaytpnigQodnAVlsnQaCliyPslinsanPgClan L LUT Ayates III.C.3. Samplifng and Investigations : ............. : ............ A-4 lll.C.3.a. Sampling and Analysis l,~lan ..... : .......... A-5 lll.C.3.b. Laboratory QA/QC Plan ................ ... A-5 ICI. Geologe Investigation... As 111.C.3.c. Geologic Investigat'ion .................... A-6 MC3d. Hydrogeologic Investigation Ao IlI.C,3.d. Hydrogeol0gic Investigation .......... A-6 MCI SuWratefr Inavestcigateion a7 I11.C.3.c. Surface Water Investigation ................ A-7 WEIL Aulnvesigarion Ar lll.C.3.f. An Investigation ........................ A-7 LCA. Listof Possible TechTynpeosanld Porogposyed . III.C.4. List of Possible Technology Types and Proposed Treaabilty Studies . ar Treatab. ility Studies .. ................................ A-7 ICS. Record Retention. 7 . As III.C.5. Record Retention ......................" ............ A-8 C6. Risk Assessment SL As III.C.6.. RiskAssessment ................................... A-8 MCT. Interim ResponseActions. a9 III.C.7. Interim Response Actions............................ 'A-9 ICS. Site SecuandrSafietytPlyan A 111.C.8: Site Security and SafEty PJan ......................... A-9 MCo. CommunityRelations LL as 1~.C.9.' Community Relations ............................... A-9 WCA0. Schedule... DINED ae II1.C. 10: Schedule ...... ............... : .............. i . . . A~9 TLD. RFSWorkPlanImplementation Ao III.D. P,_I/FS Work Plan Implementation .............................. A-9 ILE. RMeLmEe)d.ialINnavetsutirgeatainodnERxteenpt oofrthteR.el.ea.seor Threaienc.d Release... AA-p10 IIE. Remedial Investigation Report ....:~.. 2 .... . ............. :. ...... A-9 III.E. 1. Nature: and Extent df the Release or Threatened Release ..... A- 10 IM1E1.2E..2. MIIL1E.ES..3, BBMaEsae2li2nseRRiesiDskklaAAsvsisseaeslsnssummaeeetnnitto.n................. ........... AAAt-1lo0 II1.E.2.). WHEE22eb l!l.E.2.b. Data Evaluation .......... . .............. TEoxvpeosnuyreAAsssseessssmmeenntt SanAeto Tox~clt2,' Assessment ...................... A- 10 A-10 I~l,E.2.c. WWIEE22de Ill.E.2.d. ERURrixicsspekkorsCiCuahhiraeanrrteAaycc~etascnnenzdszssamStlcieiaoonsn~niti..v..i..t.y...A..n..a.l..y.s..i..s................... A- l I) A Ato A-'10 DD[Ie1ev.vEeel2loo.epp.mmeenn:tUaannncdderSS~ccarrieeneelynniiannnggdooSffeRRneesssitppiovonintssyee~AA-McctatiamloynnsisAAl,ltt.ee.rr.nn.aa.ttii.vv.ee.ss AAA---111000 lUllL.EE.S3..a, tDDheeesscScrcriirbbeeeenPPirrnoogcceeossfssROOepspipttiooonnnssseaaAnncddtiDDooonccuAumlmeeenmntattives Al the Screening ol Response Action Alternatives A-ll 22330011..00000088 STSATATTEE0_203233399005588 2 ESD. TreatyStudies. . . az IILE.3.b. "Deatabihty Studies ........... - ........... HIF. Feasibility Sudy Report Anz Feasibility Study Report.. ~ ............. : .................... MEL Treaubiliy Studies az III.F:I. Treatability Studies ..... ...... '...........' .......... MF2. Detailed Analysis Report az I~.F.2. Detailed Analysis Report ............................. A-12 A-12 A- 12 A- 12 TablEEeoxxhhfiiCbobitniAtAtents Table o f Contents INWIIFF.F22.2ab.a, I]I_F ME2e. IIt.F.Zc. Desiled Description az Detailed Description . ................. -... Comparative Analysisof Evaluated Comparative Analysis of Evaluated Altematives. A Alternatives ......... ~. .............. -.... Recommended Evaluaied Altemative() and Recommended Evaluated Akemative(s) and Conceptual Design an Conceptual Design ....... ' ................ A- 12 A- 13 A-13 IV. MPCA COMMISSIONER ACTIONS ee. A MPCA COMMISSIONER -ACTIONS. ................................ IVA. EstablishmentofSite Specific Response Acton Objectives IVok. Establishment of Site Specific Response. Action Objectives | and Cleanup Levels An and Cleanup Levels ......................................... IVD. Reviewof Submitals . Ln Ala Review of Submittals ....................................... VBI Approvalof RIES Work Plan ats IVB. I. Approval of RI!FS Work Plan . ....................... IVB2. Approval ohefRl Report As - IV.B.2. Approval of the RI Report ........................... IVB2a. Evaluationofthe Resporise Acton Allematives A-lS JV.B.2.a. Evaluation of the Rcsporise Action Alleiq~auves IVB3. AppofrFeoasivbinyaStuldy Report Soa IV.B.3. Appr0va] of Feasibih> Study Report ................... IV.C. RIeNmCeIdySeleTchteieosnhoCldreComtaerion aae6 IV.C, Remedy Selection Criteria ...................... .-.., .......... IV.C.l_ Threshotd Cl:ltertorl .......... , ...................... IV.C2. Balancing Criteria. : ate IV.C.2. Balancing Criteria ................................. IVES Community Acceptance arr IV.C_3_ Community Acceptance ........ " ........ . ........... IV.D. SeleocftReispoonnee Action and Record of Decision ar Selection of Response Action and Record of Decision .............. A-14 A-14 A-14 A-14 A-15 A-15 A-16 A-16 A-I6 A-17 A-17 22330011..00000099 STSATATTEE0_203233399005599 : : As REMEDIAL INVESTIGAEETxxIkhOiibNbiitlAAAND FEASIBILITY STUDY REMEDIAL INVESTIGATION AND FEASIBILITY STUDY L INTRODUCTION, PURPOSE, AND REQUIREMENTS INTRODUCTION, I'URPOSE, AND REQUIREMENTS iA Introduction introduction Part LAofthe Request rPeaqrutetsltI.sAthoef RtheespRoenqsiubelset fo Response fPoarrtRye(spRPo)nsteo AAccocttnioodnnuc((aRtRFFRRReAAm)e),d, ittoaolwwIhnhivieccshhtitthhgiiasstiEEoxxnhhiiFbbeiiattsisisoaalpptppyeennSddteeuddd,,y " rp((eRoRqlUFluTuFetSSsa)t)nstwwstihitotehrhRcrreeoessnspptpeoaecnmctisint1boalnerrteesPlleaeaaartstsyeoe(-rss()R)frPooor)rmtttotturh'ceeaoaOnttcadnekuedcddat leraeelRleeDaeasamseem(e(psds))iaosoilftfIenhi(vazSzetaaesd)trid.ogoauTutshiaoisnssuu/FbEbxseshttaiaasbnniibccteielssisteoyotrrsSftuordtyh phoeilur.erqaunitsreomrecnotsntfaomricnoamnptlseattionrg ftrhoemRtFheSOaankddasleaDppmennpdesdiie0(Sainted)_mTahdisaEnxihnitbeigtrsaeptsarftoortfh hethe the RrReFFqRRuAiA.re.mTTeeenrmtmslss.fuousrseecddomiinnpttlhehiitsisnEEgxthxhiebhiRtaFairFreSdbdeaefinfidinntee~sddaiipnnpAAetntitdaseccdhhumtnoeenantnt d111mt0otathdheee RFRA. an integral I;LFRA. part of IB. Purpose . Purpose TMTihhneenppe{is.r~oprtpoaossePeooolfflcucotonondnduuCccoitniitnnrggolaannARRgeUI/nFFcSSyii(ss1M*0oPpCprrAoo)vviidCdoeemiimnniffsoosrrmimaoatntiieoornn tnnoeecsceeelssesscaatrryay ft0oineaelnxabrblelmeeethdheye for the SieMinnesota Pollulmn Conlrot Agency (MPCA) Commissioner tO selecl a final remedy for the Site. .. whI~niloorrbddeeecrrot1nodaaurcvritveeed ascttorrneecmmueemddeyyntssyee.lleecTtchmtenioRimnUFtthhSee Wmmooorsstkt eePxxlppaeneddsiiheenantlt mmparaonnpnnoeserer,:, the the Rland Rt and FS FS activities activities will bthee cRolnadcuicwtiendesc;onacnudrrently. The RI/FS Work Plan shall propose: athsetR1ofacpto~swsti~belse; raenmdedial technology types ~ a hst of possible remedial technology types. , . The Ri Report shal: T'~ hecerdRepopotcroRutrmteetpinhhoetertsrtsehehseausdllltes:svoeoflftolhhpeemReRJn_;t[; aaannnddd seceningofpossible response ction alemaives document the development and sc~-eening ofp~ssible response action alternatives. TThhee tFFhSSe rRReesepupolotrrstot ssfhhwaaelllaltpparrbeeissleeinntt:y: smdies; and tthhee DreestualtlsedoAfntarelaystaibsilRiteypostrutdi(eDs;AaRn)d '~ the De~a.ited Arialysis Report (DAR). BI I.B.1 RoRefemtmehedeidraielalleIvanesvseet(si)tgiogaratttiihoornne.aT;tieh'hneeeRdRJJreaseccaifsivveii(tUsie)eoss fwwihillallz((a11r))dpporruoosvvsiiddueebsfootrrattnhhceeocecosommppolplelletuteteanccthhsaarroaarcctteerriizzaattiioonn octchoofrnntetitlaaaetmmerineinnelaedananetstlsese(aasatt)seooor(rrsfft)rhropromeomasttteehhnee1eSSdpiuittrbeeellaaienncaddshetteh(hasel)taoahccfatthuunaaadllzawoorerrdlpopfoauorrsteeen,sntutaiibanaslldtahhtnaahzczeaeaersrdndovtrtihhrpeoornrlemlelueeltnaaetsn;aets(s2se9))orsopr)rroduce .sasthuunfrfdfefiiaIcctLiieeEennn)ett;dddaraaenttldaseaaa(s3nne)dd(psii)rnnofpfodoorursmcmeeaatttodiiaooprnnatiobttoofliscaalullhlfoeoiwawilttethhhneeatnRRqdPPuawatnoteilssftuuaybbr%mmainiatdtnttadhhdeelehqRReu)IaeaatnnnevdditteoFFcmSghnnrrieeecppnaootlr;rtct(sso2n)((tPapearnrrotttdIt1uIo1~cIe.EE: assess the and-Ill.F); assess the possible altematie response actions during the FS. and (3) produce data of sufficient quafitity and adequat~ possible alternative response actions during the FS. technical.content to I1.BB.22. eFFeveaeassliibobipillmiitteyynSStttuuaddnyyd. sTTchhreeeFeFnSSiancgaotciftvivpioittsiieesssibcclooennsfsiiesssttpooofnfsddeeevvaeceltloiopopniniagncagramliaisstttiovoeffstt,eeccphhrnneoopllaoorggiyyngttyeyppneedss,, cdcTooeinvnededuMl6occPpttimiCnnAeggnrttCreeoaaamnttmdaabibslisclisirttieyyeo. nn~tieu;ntdrugdiwiceoisslf,..lpaaornnseddsivccbioolennddtruheucesctptFiionSnnggsReaepaddoceertttitaaoiinalleenadddltaascnneralnalelaycylstisivitsscohseoff,fipenervvaealapllaruuraeaitsnteepgddoanaanslldetteearrcnnatatitioivvne(esss.). uTusshiiennggMttPhheeCASSeellCeecoctmtiioomnnisoosff{oRRneeemmreewddiyyl~ CCrreirtvirtiieearwia tssheeett forth n Part 1V.C. of tis Exhibit. ES Repor! and select the final response forth in Part IV.C. of this Exhibit. action(s) 22330011..00001100 STSATATTEE0_203233399006600 Ad . 1c Requirements Requirements "TETnhhveeiRRroUVnFFmSSenssthaallhlPbbreoecatceocontndliduoucnctlAteegddenaacqcyccoo(rrddUiiSnnEggP.t0Ao)tthhGeeupiprdrooavvniicsseiioonfnossr ooCffonthhdiisuscEEtxxihhniigbbiiRtte. mTTehhdeeiaUUlnniitteedd States States IICEnnonvvmveepsiserttoniignsgaamatttiieioononntnsas,laaPannnrddodFFteeLaecsiatissibibo.iibnllditiAttyyyg,AeSScntttcuuyd(dii(CeeUsEsSRuuEnCndPLdeAeArr))tfGih(leeOuciCCdtoooammbnpecprrereehf1hoe9ern8nC8s,IsioinvvnteedeuErEcinntmvviFnriirgononanRmlmee)mnwenteitadallilalpRRreeossvppioodnfeslsete,h,e CPRheaPoPtmwwtpihicttinhhssgassutpp.ei{ecdociainffn,iicccaenggd1uusiciLddoiaanannsbcciieeslittffyeponrrAtwcccooitmmt(pChpllEetethRteiinCnrggLAttehh)eeq(aaOcucttciitiooonnbrsseorrrefee1tqqm9uhu8iiierr8seeEdIdxnnhutuitenbnrdidistmee,rr FtTthiihmissei]EE)sxxawhhmiiipblblliititpnrttgooooattihnhdedeeeetxxhtteeenntt q"qthuUuaaSaltlEiitttPhyyAisaaIssgnssutuuierrdraaainnnmccceeGeuaaiicscdttiecivvloiiinttniiseeeisssste((aPnPnaatdrrwttSi11tp1IhI..eCCth..ce33))riessqhfhualihilrbfecbmeoeaecdntPootrnsniesspiooiassfrttnieethnnnsgtitswwEQiuixttahhhlibitthhittey~ rrATeesqhqseuuuiirsrraeaenmmmceepennltiPtnssrgooojaffencttdhtheePlans m(U(QeQScA?EhMdPaSXn-AliS0c0-I0sn50ot/ef55rp!0i8rm)0e.)s.GeRnRutiiiassdktkeilaaionssnes)sessepasensmrdsfeeonSrtspsmeei(cdici.f.eiu.c,eanvetavilolanultuashatiftisoiooiE-nnxP,,hriqqebuupiaaatnnrti(tiniPttgaaarttQtiioou1nn1a,:.litt6tay.ab)buAulalsstsahiuotarnilaonobnfceferrbePeassrsuuoleljttdessc,,otanaPnnlddans (amapEpepPpcrAroho/paGprnOriiiDaca/tstSee-oMM8f7PpP/rC0Ce4sAA3e)nrr,teeaqq"tiuuRoiiinrrsee)kmmpeAeensnrtsflsoes,,rsmsUUmeSSedEEn,PtPuAnAG'du'sseirdT"taThhnhiecseeERRfixiosshrkkibSAAuistpss(esPeerssafssrutmmne1denI,~It.tVCGGo.6ulu.iu)idmdseheelailnl1li,enbsHoeeuofsbmfaa11sn99e58d66H"oe"anlth E(EvaPlAua!6ti0o0n/8M-a8n7u/0a4l5)(,P1."RAi,skDAecsseemsbsemren1t98G9u,iIdnatnecreimfoFrinSaulp)earnfudntdh,eVUoSluEmPeA 1R,iHskumAsasnesHsmeeanltth. GMEGuavuiaridldcuaaahnntcicoee1n9,ff8ooM9rr,aSSInuunputpeaecrlrrfif(umuPnntdF.d,iA,nVV,aoD)0l.Lec2.2e,;mEEbnnevvriirr1oo9nn8mm9e~ennItntaatlelrEEimvvaalFluuianattaiilo)onnanMMdaantnhuueaalUl SEPA. Risk Assessmen~ (March 1989, Interim Final). cAAottnasaimsmitinenniitmmwuuimmt,h, ttthhheee riSetitqeeuiSSerceeucrmiuetrynittaysnaonfdd SSaaffeettyy PPllaann ((PP,aarrtt I1H1..CC..88)) sshhaalll iinnccoorrppoorraattee anndd bbee : c onsOOEismSSteeHHrnAg!AewnrreieclqqyhuuiitRrhreeeemsmpreeoeinnqqtsutsesi;r22e99mCeCnFFtRRs Partof: Part 1910.120, 1910.120, Hazardous Hazardous Waste Waste Operations Operations and and. OEmSHerAgernecqyuiRreesmpeonntsse2;9CFR Part 1910 (General Industry Standards) and 1976 "~ Occ(O(CCuSopo!nnasIsAtttriruruoeccnqttiiauooilnrneSmIIannfeddenuutstsysttrra2yyn9SdS_ttCHaaneIn:daRdilartPrdhdasrs;Gt;u1i9d1a0nc(eGeMnaenrualallnfdoursHtrayzaSrtadnoduasrdWsa)satnedS1t9e26Activities, NOIcOcuSpHaItOmSnHaAl TSUaSfeCtyG/aEndPAH,eaDlthHHGSuid(aNnIcOeSM H)anPuuballifcoartiHoanzNarudmobuesrW8a5s.t1e15S,ite Activities, October 1985. N[OSHiOSFIA/USCGiEPA. October 1985. DHHS (NIOSH) Pubhcalion Number 85-1 [5, AAsvssarnnleeawbwievveetriorssitiohoennsspouobrliffciu,~ttuutrrheeerrleeavvtiiessisioonvnessorosfifottnhheeofddooacccuuhmmedenontctsusmrreeenffetererhneagnlecldesiiunnphtehirisssessdeeeccattliioonnprbbeeevcciooomumsee versionsofthat available to the versts, us of that document and shall be used for conducting public, the latest version of eacln document document and shall be used for conducting the RUF. shall supersede the RFFS. aJl previous . n RREETTAAIINN-CCOONNSSUULLTTAANNTT qWWuiaitlthhiifinniettdhhitironDyu,n((d33e00r))tddaakayeyssaoonfdf ttchhoeemepefflffeeetccettiivtvheeeddraaetteequooiffretthmheeenRRtFsFIRoLfAAh;ittshheeERRxhPPissohhraalla~!nrrdetsaheianal'atnccoootninasfsyuullttmahaneiltt MPCA Project Managesofthe rnc of q~aalified to undertake and complete the MPCA Project Manager of the name of ttrhheaaqttuccioroennsmsuuletlntaatnsnt.to. f this Exhibil and shall notif.v the m. REMEDIAL INVESTIGATION AND FEASIBILITY STUDY. REMEDIAL INVESTIGATION AND FEASIBILITY STUDY HLA. RRUI/FFSS OObbjieeccttiivveess "=TThheeioodbbejnjeetccitftiiyvvaeelssloosfoftuthhreceeRRsoIIifFFSScoaanrrteeamttooi::nation; ceeidvoveananltltuuaiafam.ttiveenaatllhthleiesomonnauaattruucrreteesheaaonnfSddictoeeenxxatttneaenmdntiionnofaaftnssiooyoin,la;,.dssieeaddciiemmnetenntrt,e, sssuusrrafffaafcczeectwweaadteterbry,,. gcgrrooonuuttneddamwaitaenterar,,taaaitnnoddnraifriom cttdhhoeeentSnSaiimtite<.inalaltieoxnisattinthgaenSditepoatnedntiinalanmyigardatjaicocnnlcharaerasacaftfeecrtiedsaenb~sd: contammatioiq at pathways for the or from o htdaeznatrid~o,uasllseuxbissttainngceasnod ppooltelnuttiaanltsmoirgrcaotinotnamcihnaarnatcsteirdisetnitcisfiaenddatpat!hhewSai,t,e:.s ifonrcltuhdeing the direction, rate. anddispeofrcosntaimionannt gration: ha~.ardous substances or pollutants or contaminants identtfled direction, rate, ,and dispersion ot; contaminm~t migration; at the Site: including the 22330011..00001111 STSATATTEE0_203233399006611 As iiiddmeepnnltteiifmfyyenaatlltiteenrrgnnaattthiiovvseeerraeesisppeoornnassteeiaavctricoesnptsaoanninsdedeeoavvcatalniluuoanaststee0tthhpeereffveeeaansstii,bbiimlliiittnyyimaainnzdde,eeffocffeelccittimivvieennnaeesstsseooff ,rimelpelaesme(e)ntoirngthtrheoasteenaeldtemrealtaisvec(sre)sopfohnasezaarcdtoiounssstuobsptraenvceenst,omr pinolimluitzaen,tsoro cc?oinmtianamticnants acraeottllooelrraesffterro(aosmnm)dottherhevetahSSlriieuttaea;t;teaantnnehddde release(g) of hazardous substances information necessary (0 prepare a or pollutants or contaminants remedial designvesponse + accotllieocntpalnadn eivn aalcucaoterdtahneceinfwoirtmh aEtixohnirbieicBtestsoahryetoRFpRreAp,fire a remedial desigw~re.~ponse , action plan in accordance with Exhibit B to the RFRA. MLE. RUES WorkPlan Submittal RIFFS Work Plan Stlbmittal CWWoimtithmhiiinnssnniiionnneetetyyr((f99o00r))addpaapyyrssoovofafltthpheeureesffuffaeencctttiivovce PddoaarttteeoIoVffBtthheeaRRnFFdfRILAVAB,,.1tth.hee PRodfP5tssihhsaallEllxhssiuubbbimmt,iitlat0oprttohhpeeoMMsePPdCCAA. cRCKoUUomlFFprSuSlenW WtiseosoritrokhkneePPRrllaUafnonFra.aannpddTph~yroemmvppplarellemopmepunoertsnsaetutadaitinoRotnnUstFocsSchPheaWedrdotuurlIlVeke.'wBwPlh.hai]anccnhhsdhddaIelVetlta.aBibille.ssIp.laroloflefpotitfhzh~tehsedeE0aaxcchetti~nbwvsiitibnt,lleeeassptnnhreeeoccpReeossPssseaatdrroyy (to0 dmmceeoesemecttrpittlhebhteeeedRRtihUIse~EtSRSheUOORFbbjUSje.FeccTSttihivWveeeopssrr((okPPpaP.oarlrsttaeInIdlLlC.RAAoUn))tFaaeSnnndtdWssso(hhPraaakllrll,tN~aIat,tLnaaCs.mmh)iiatnliliimmb.euummp,r,eaapdd,d6drrreeedsssstoaallellnooaffbtltehheethee~lleePm,m_Peentnottss described in the RFFS Work Plan Contents (Pan I~.C.). IWlLl,CC., RUFS Work Plan Contents RI/FS Work Plan Contents TThhee pprrooppoosseedd RRUI/FFSS W Woorrkk PPllaannsshhaalliaaddrdersesss,, rsat'a mmiinniimmuumm,, eeaacchh ooff tthhee tf0o1lIloowwiinngg eelleemmeenntsts:: LCI. Iit.C. 1. PrPoorwojjeetcchtteMMaRnaUnaFagSgeerwmiilennsbt..eAAmaPPnrroaojjg.eeeccdtt M MbyaantnahaeggReemmPeenantntdsseeiccstticiooonrnirooaffcttthoheresP,RdU!sFFuSSbcoW WnoiorrrakkctPPollraa,nn ssnhhadallll describe describe choonwsu'tlhtentRsI,FFTShiwsilslebcteiomnasnhaagledibnyctehe aRnPoarngdaniitszsctoonntrcahcatrotrsw:istuhbtchoentnraacmteosr%anadnidtes of key personnel anad description oftheir individual esponsibilies consultants. This section shall include an organization chart with personnel and a description of their individual responsibilities. the names and titles of key . ULC? II1.C.2. BBianacecklk_ugmdreoos~uatnnhddesEEesvsaaclltuuaiatotinioson.n.. OTTphheeeraRRtViboTFnSSalW WHoiorsrktkorPPyll,aannTssohhpaaollglriiann.pcchlluiudcdeeS.uaorBBvaeaycc,kkggHrrioosuutnnorddyoEEvfvaalSliiutaaes:ii0onn tthhaatt Assessment Work and Remedial or Removal Actions, and Identification of Data Gaps. includes these sections: Operalional History, Tdpographic Survey, History of Site Assessment Work and Remedial or Removal Actions, and Identification of Data Gaps. NIC2s. . OoOpppeerreaarattiitioodnnnaaalllhHiHsiitssottoroyrwoyofoffhTTehheSeitSSieittee(..1TT.hhiiassllsspeeacctttiiooanncslshhieailllel siinanccnllduuddaeedaaeddesettacaiirlleeiddpoeexxtfppiltlaahoennianarttiisoopnneocofifftithchee oobopoppeueernriaaadtttaiiiooornnnysas)f)l,,ehiiinnasccttolluurudyodiirfnongtegfhtshhheiiessSttiSotoeirr.tyyeoIof(nif.peapr.dr,edoaipplteleirropttnayy,soottwwfhnasnceeirslresistchhiteiiispponabbnoosduuhnanadldadarieriniseeccsslr,)uipdaatennioddtnhppeeoerfrftottiilhnnleeeoninwrttisnaapgrreedacaeitfaaiannciddled binofuonrdmaartyiofnearteulraetsedo1f0thheeS~rteel.eIans,easd)doitriotnh,etahtiesnseed(trioelneasshea(lsl)ionfclhuadzcarthdeoufsolslouwbsitnagncdeestaofrfed ppinoolflolluur3Ttmtaaiannttttissoofnootrrhrceceoloannhttetaaadzmmaitroinndataonhnutetsssrseaautllebttashhtseeea(nSSscii)ecte:so:rorlhproelaltuetnaendtsreolreacsoen(tsa)moinfahnatzsartdhoatoshasvuebsbleaenncesstocr~ed, ucauhsslaeeirdsda,t,cotttrerferatiathsteeetdid,hc,sa,oozrrardddiiosspupososs;eeuddbosoftfaonosrcie-SSsitioteer ad ther estimated volumes, concerirations, and pollutants or contaminants that have been stored, and their cstimaied volumes, conccnh-ationso and cahdaersaccrtieprtisitoincso;f what, where, when,howand by whom hazardous substances or ltpa~hodoellleS/usuitctaartninptt(sstoi2oor,nr ccoPoofrnnowttvaahimmaditein,naawannnhtteessxrwepw,leea.rrwneeahtrreeienlol,eneahasoosefwedhdoaddgwaudrrihinbeygn wttShhiheeeoooomppreehrraaasatzptiiaeoorcnndiofoouiffcsa'allsrlluebffaaascctibailelniictctaiieeemssse'.ooofrrf ereccoorrdd aatt tchoentSaimtein(aet.ge.d,)P,rovide an explanation of how the,Site or a specific area became aacrdeoedlnseetcasasrcmeiripipontftaiioatoenzndoa.o)rf;fdccooounnsttaasmmuibinnsatanantntcsseoosuuorrrcceepoaalrrleeuaatssanantndsdoffFaaccciiollinittiteessamwwhihiniccahh rfreoelleoeaias,see sooerrdttihhmrreeenaattt,eennsuithrheeace rwealteea,segorfouhnadzawradtoeru,s o ir substances or pollutants or contaminants to soil, sediment, surlace water, ground water, or air: 22330011..00001122 STATE02339062 STATE_02339062 Ab : HILC:2). *o - aCaSoSintitteaemmmianapapntddseellwiinneeeraaettiidnniggsepeaoasccehhda,arrreeeaaawwdhh,eerrseetsosurueccdhh, hthraaazznaasrrfddeooruuessds,suubhbsansttdaalnneccdee,ssoodrrpuopsloeldlul;tuatnatnstsoorr. o oacafoddcneeatssacccmhrriiipphnttaaiizonoantnsrodowfofaeualrsllel siidunnibddssuputsosattsrnreiicdaaell, optprrrreoopacoctleeelsdsuss,teesasstnotwwrohehridicc,chhotrnaaatrneaesmfooierrnrarwwenedetrr,,eehaaernenldldsatlteeeddd, 10or to the use used; the use oor gencration generation of each hazardous substance or pollutant or contam.inant; and "acodnetsacmriinpatnitosn.ofpast disposal practices for hazardous substances a description of past disposal practices for hazardous subsfanees oorr ppoollluutatnatsnoOsrr contaminants. Any historical esearch needs tht have mot been met by fe review may be met by Any h~storical research needs thai have nol been met by file review may cionvnedsutcigtaitnigones.mployee interviews, reviewsofthe RP'records, and arial conducting employee interviews, reviews of the tLP~s records, and aerial photograph be met by photograph investigations. hToepToSojipzteraesls_aa~pnhhdiiccSSSuurmrravo.e'ueyn,d. iTTnhhgiissarsseeeaccttaminodnnassnhaeall(l1ii)nnScciltlueuddeemaaapddeeusgcscririinpptgt3iiooonnnoeof(ft1thh)eeiggneencneeh=rraal1l 0pp0hh0yyssfiieooeggtrrsaacppahlheyyoaonfdf tethne(S1i0te)faonodtc~ounrrtoouunrdiinntgeravarel.a and one (1) Site map using a one (1) inch = 1000 feet scale :and ten (1 O) footcomour interval. , . (1AAd)dddimitteiiohonna=al!5mm0afaeppesstsffcoorar leeeaaccahhndiiddaeenntttiiwffoiiaa(tb;2ll)ee occoootnnttcaaommniit"nnoaaunnrtt issnooteuurrrv~cca"ele.aarrSeeuaarfssahhcaalelllwbbaeetpperroofvveiiadtdueerddesuu,ssiidnnrggaiaanaoognneee d(i!r)e~ctnicohn,= b5u0ilfdeientgss,capireoacnedssaatrweoa,(2s)tofroaogtectoannktso,urwienltlerlvoacla.tiSounrsf,acfeorwesatteedraferaetu,reusl, dersai,nage ppdpiaaitrsvve,eecddtdieoaabrnrree,isasbss,u,piiecledaassis,neegmrmsaee,wnnpttrms,o, cerreiigrgshshti-toasfr-epooiafl-seyw,s,sa,lyao,nt.dappgiipipeeemtllpaiinonneukessns,d((wmssueuernflfltsaslccoeehcaaantuiddgabnssseuu,lbbssfhsouuorrlrweffnsaatc.ceeed))T,,~hlikeranendamdsfa,fiipmllslssi,l,si'bhbdaooelrsr,rrbooewwo.f Spuitfsf,edreenbtrisdeptilees,anradwacmcu~rtaecriyaltpoilleos,caandallimcpuorunedmoremprsopsohsaleldbfeutsuhroewwno.rTkhaet mthaepSstsehall be of sufhclent deta~I and accuracy to locate all cunelH or p~oposed fnhi~e WOlk at the Site. TMC2e. IIl.C,2,c, mHHicislsttuoodrreyyaooffhSSiiitcseAtAsososfsereasslysslmmepernnettvWiWoouorsrkkiavaennsddtRiRegametmeidoeind(aiasl)looarrnRdReermmeosvopavoalnlsAeAcatccittiooinonsns.(.sT)Thhciiossnssdeeuccctttiioeodnn sashhaatllhlle Site iinncclluuddienga: history of all previous invesugation(s) and response action(s) conducted at the Site =inclupaaduddbieneltgtiia:silhleeeddd ddHeiestscecrrriaipputrtiieoonannoodffarrveeaggiiilooannbaallle aatnnedcdhllnooicccaaa!ll hhiyynfddorrroomggaeetooioflono.ggyyCarannodsdsggSeeeooclltooiggoyynsbbaaassneedddmooannps shall Cpbboouenbiislnneiccsrlhlvuueadddteedidl.oi.tneIIrnSnaccetlluruurvddeieecattnhhsdeeoialt.tvyysappueierlavaabennylddes;eetexxcttehennnticooaffl surface sois information. surface soils 5 presented in Cross Sections as presented in the Soil a.nd maps the Soft shall adCaasotsueun,mmsemimrnavcaralrtyyuiodooinfnfgSaa!leclrovssnooiticilale,,msissouunirarlffnaastcuceesrvowweuayatrstes;err,,arggerraoouiudnneddntwwiafatitecerar,t,i.aaonnn,dddaaiaiartsasrseesdesusscsmtmeieonnnttawwnodorrikkntcceoormmprppeltleeattteeidodn,tfoo . danatde,hiencQluQdinCg cpornotcaemdiunraenstwshoiucrhcewaerreea followed; identification, data reduction and interpretation, = a;ai{nndddceelsstcuhor~driiippQnttaiAigoo/nnsQuooCmffmltphahreeroycnnoeaadtftuuuarrrceeetsaau.w~an(ldht ieaecxnxhtdleewnnptotetrooeefnfttlfhhioaeelllorrowenel4-eSdlai;steee(asa)sanadnenodsfhf))-rSitththerreehaaettaeelnnteehddarrneedllleeoaarssee((s~)),, einncvliurdoinnmgenatsaulmefmfeacrtys,'oaf nadreal and potential on-Site and off-Sile health and/or aSeanussvmuuimnrmao~mnrnamyarreyysnohdtfaafallanneifynyfcelppcurrtdesee;vviiacoonluuedssanrreuempmeaedditiaavlliooirresrreeimmnoodvvaaalnlyaarctetiilooanntsesdccfooinneddluduccittneesddpeaacfttitthohnes,SSiistlea..mpTTlhhiiinssg . " - stsseuuucrrmhvvnemeiyycasss,r,y]ooisrrnhoovatetlhhslteeiirrngcrraeeltulliaadottneeesdd.c;;leanup adtivities and any related field inspections, sampling .. technical in~cestigations: - .... C24. lll.C.2.d. ObIIjdedecnettiifnivcteastiio(fnPoairoftfcDD1aaatttAea)GiGasoaphpsansl.. bGGepapisdseniinntiiifnnifefodorrammnaadttiirooennco((drdaayttmaaenggdaapspsts)i)onnnesecsechsaslelab~stestoomlaafudrlelfyillfohtrheeadRRdIiFtSFoS.nal SORRui1bpwpwjeooocrrtrtikkvtennhseeecc(sePecssarssreaaterrnIyyIiIntt.oAog )mmaesneeheetatdlltethhtbeaeeiRRliVedIFdieSFnaSOtnibafOlijeybedsJcieatscnitodivfrveereessscpaaononmddnmsppereroonadddtuuaicctoieeonnssasuulffscffhieiccaniilaeletnnbittveeiinmsnffaoiondrrmemthaafetotiiroRonaIndSftdoo.itioFnoarl esuacphpodea/athegaspc~scdoennitnfgedan,dthdectRaPitcsdhaalllmplyrso~vsiodfeat elssptoannsde adcetsicornipatlitoenrnoafrtievseesa'irnchtheanRdI!fFiSel.dFor aeaccthivdeatsa ngeacpes~sdaernynf0iedad, d~rhees1sLPthsalhadlaltpsro2pv.ide a list and descripnpn ofresearcln and field activtties ~ecessarv to address lhal data gap. WIC3. IH.C.3. SmSeaatmmhpopldhionnlggogaanindedIsnIvnnevescetesitsgis~aat,arityolontnsos..coTTnhhdeeucRRJFt/FhSSe i\WVnovoer~skktiPPgilaatniossnhhsaalslllpeppcrrioofppiooesdseeina,gcPetatiirvvismte1ess1aa.nnCdd 1c, d, nd . HLC.6. and propose he plans specified in Pars 1.C.3.0 and b. methodologies ne.cessary to conduct the invesligations specified II1.C.6. and propose line plaus specified io Parls llI.C.3.a and b. m Parts I[1.C.3.c: d, e and f,- 22330011..00001133 STSATATTEE0_203233399006633 An ILC3.a. IIi.C.3 - LC 3b. SSfooarmmphpleliinnigngvaaesnntddiAgAanntaailoylysnisssirsePPqlulaainnr.e. dAAuc~nodomemprrpePrhaehenensnsLsiivvCee.ssa.amm.plp,ilinngg, aaan6nddd aannaaanllyydss1iiss0.ppCll.aa6nn bssehhlaaolllwl.bbeeThppirrsoopppoolssaenedd s=sfhoharalltlloheiinnbcicnllujvudede:se:tiogcafttitohneissarvemqpueliirsendg under Parts I]].C.3.c, insugaton; d, c, and'f, and ]IJ.C.6 below. This plan craocirmbtijteaeercrpiitaaisfvhfeooosrrwsosiafanmmtghpapelllilisnnalggmocllpoaoltcciniaaotgtniiosoinnntsvhseeacltsletcwiccgit.latiiltooibnone;n;s;ampled; " =o aadmesacprisphtoiwoninogfatlhlelotcyapteisonosf sthaamtpwleilsl wbheiscahmwpilleldb; e collected: o aadedsecsrcriippttiioonn oofftthhee dtyeppelsfoifeqsaumenpcleysowfhsiacmhplwiinllgbaet ccoalclhecltoecda;tion; aiaadppdenrretoosipcpfrooiisscpeaettdidoionssnaaoommffpptlah]liiennggcdhessepccmhhttieedcddfuaurlleleeq;p;uaenrcaymoefts(ae0mrbpselinagnaaltyezaecdh(laoncalaytitbens);, selection rationale, ~ aidnedntifciocrartieosnpoonfdailnlgclhiesmoifccahlepmair.caa.mlaentearlsyttoicbaelamneaslbyozdeodl(oagniaelsyt(cisn)c,lsucdlicncgtiUonSEraPtAmonralc, nSaStntaaadlnnaddaaadnrraoddlrryMMeteseetpthohhenoot,dddiannnnguuammllybisbteteersroossffaacnnhcddeomddneiecctteaeerlccttaiisonohnanoluyilliimmdicbiiatels))mstteooebptabhereoadpptoeeelrdroffogionrritemmoseedc(d.ai.nrcPcPlriruinidooorirgnetogonsUddaeeSnttEederPmrnAmoiinno.ninrignaga cfianraclinaongaelnys~.e Ilinsta,d,d-iintailoynt,esreopfrceosenncteartnivsehogurlodunbde wsa.etpearrsaatemdplinetso cshaarlclinboegeannaslaynzdednoton- cidmdaeaernynciitiniffdoyyegnrentianiatfsiuuy,rrtuaanlplgaccrhdhaededriminteiiionccntaal,lsrocceuooprnnrcsseeitssiietotunufetcancnttoissvmettahhmgaaitrtonmmauatnayiydoaewnff;ffaeetcectrt svvaaamrriiopouulesssttrsreehaaattlmlmebenenttammneaetltyhhzodedddssotoor ethtat = maapbbraioioy~ct'teiiiscdcseaanrnnteiddqfyubb'iiioruotepitdigcruae.ndendinveevinrir~rooPansnrommteuenrIcntLetaaslCl, oss6a.fammcTpophlnle.itianntmggecissnhhhanaaitlilclolbanlbe~epsprperocopipfooissceeatddiottOnosccaoonmmdpplpleerttoeecethhdeeuraaesssssee(ssosrsmmseoeinnltt -sSmpaoarmnmoipcptellosiisnrniggrnemmgqeuwetiethrhleooldddsasu,n,nddddrrpeiirrlIlelPiiznnaoggnmemmIteIeeItl.rhhCooi.dd6nsss.~t,Talbbhlooeartrcieteohhncooshl,lneeiAcaaaSnnlddTsssMpuuerrcpffiarafcociececaeggtdeieuooornppehshsyyassnsihidacclaapllIrbommece~etudthshuoeodrddesss3,,nfadaonnrddsoil spmrerefoofevenririestcnoincrocienensddg wfwwohrheeelarlrbeeiaanaaidppnppiprrn~oqgeppzannocsamctteeeestsaearnntddoinaaasvvntaadaililalcaabtbbliaoelie;n;nsinAgSsTaMmplpersocferdoumretsheshSatlel be used and and other affected pprroopveirstioienss (fwohreorbetaaipnpirnogpraicactee)s;s to and obtaining samples from the Site and other aft~cted apadreddonepmseucertrticipeaststioi(nwocnohopferfqrerqeusuaeaalrpilivipt~aytryoipaopasnsrs,isuaturhtreaoan)ln;icdceie/n/qoqguuaamlnlicittsyy,ccooannnitdrotolalnppsrrpoooccreeiddauutrrieeossnffo{o~fr tsthhaeempcclooellsll,eeccpttiiooenn,,and tvvidhooeelluncumtamil/eeiicbooarfftaitssoiaanommn,pppalrlneeedsccemoornnavt.aita.tiaeiinonnenear,rsnsh;;coeldoinfgfitemld~eis,nsanrdumterannss;pbdertcaotinoanmionfastaimonIeosf; staymppelianngd. erteheqqepuouicrpaitmliiplne~gnmrtaoe;tfaianonfnntdedadttnhhddeeamtpparraooiicncneetcseslsnsuiiandnngigc,n,egvvofeerfreiifffdiiiecclcaadhttiaiioionnnns,,torssuftoomrcrd~euginsgettes,o,;dccydaaellpcccruouolnlcaaetttadiiumoornniesnssa,aatninoidddnessntottafitt.!fsssiatcu~macctpssi,lo,iannngaodndf rqqreueupaqalouliiirfftriiieenedmdgeppnoeetfrsrfssioooefnnldPssacdcrooatntnadduuicncLtctCiil.nungdg3i;ntthhgaeenfssdiaaemlmdpplclihinnaggi,n, -aaonrfdd-ciiuddseetnontdtiylcicapatrotiicooennd~ooaflrae3s,llaaibdbooerrnaatttiofoirrcyyatmmioeeneettoiinnfgg tthhee radaeeddqseecussricicreprrimtipipteoiinnoostnnssoohofanfflalPynacyrltccuIooIdImm.ep~pu..uat3tpe.ebarr.;bmmiaoolndddieeellsss attoonbdbeeheeammtpi.p.l!ooonyyseed,diiannlddaaasttsaauanmnapaltlyiysosinisss. oMroSdpeplrOXITALONS td`hhwaeiastttchwrwtiiphilletlmliobboneedsemmslaha,ddaelealniiindnnqjcculaauslltdiiibbcfrriaaccttaaiipntniaggobnaailnnoitddrieuusussiiasnnnggdoftttlhhihmeeemimtomaodtodiedoelenl,,ls,ssmppaeeelcltciahiffsoiisccduoomibbnjpjceetclicotutniidvvsieenosssrgttoadbpibpesercouaaxsccsihhmiiioeeanvvteeiooddfns wwR`wUhihtFyhy.SttthhhWeee,ommmroookdddeePelllla,niis.~,ntthTdhehejueppsrrqteeiufffeeiacrrnarrieettiddoemnmsoodfoodrerelvluoasolrerueommsefetttthhhhaeootddmaroffeoodrredlemr'nsemeie~rte'eSitdhinnogfgdrttohihmnecotolhbubejdjeemicncotgtdiivevaeelssditssshtacaauttteesasddieoiinnnnottothhfee . csRceoo/snfnuFffliSitrsrmWm1ee0dadprbkbuyyPlddliairrneer.ccTttahmmeeneaqaesusuuadrnriee{smmicteiueensnststeossdrhh.avalalAllllubbleeesdiitddhaeeannttttiiaaffriieeepdddreaaosnnigddrertdtahhmeefrissoneemnngssitiihttniievvcilimttuyyodoidofnefgltthathheneaymtmoaodrdeeelnl ot proprietary programs shal ~esults to input parameters proprietary pr6grams shall be made available (0 the MPCA staf discussed. All data and pmg/anunmg be made available to the MPCA staff upon request including any Upon'request. LwLaahbbioorcarhtoa~ts5ho.-a_rlQyl_AQc/A_a_/nQQ_sCCt~.PPo_!lf_ata_nhn.e. TTlhhlecowIRLiU!dnFFgSSSWWecotorirokknsPP:llaann sshhaalll iincnludccaalllaabuboor~daattooerr3y' QQA.aIdQQCC ppllaan w hicihdesnhtiaflliccaotnisoins~ofolfalbl'omraftnolrIioewsinpegrsfeocrlmioinngs:snalysi dddideeesesscncertnniifpppithciiaoootnnnioooonfffcolbaaflobilraobabrrtaoatotroarirotsyonrssipeaarmsnopcppie~tccdrufccorhhreamasiininanngoodffaccfnruuaesslqtytouosdeidsnyy;cypp;rrooccce'dduurrecssl = ddddeeeessssccccrrrriiiippppttttiiiioooonnnnooooffffdacaannaraallilb.y',trrqaieictdciauaolclntssitptoaarnnon,ddcaavearrddlduirodoeapptseeiraroaanntt,diinnafggnredppqrrruooeeccpneeocdrdyuturi;renegss;;procedures, o ddeesscernipputoonnooffidnatteamraelduqculailoint,y vc;odnitdoalliocnh,ecaknsd, reporting procedures; dcscr~ptmn of inlemal qua]iD, control checks; 22330011..00001144 STSATATTEE0_203233399006644 ase . -A-8- ,. - = dddeeessscccrrnii.ppptttiiiooonnnooofffppeperr.erfvfooernrmtmaaatnnicvceeemnaanniddntsseyynssattneecmme aadpuirdtoitscs;e;dures; cdddeoeesmsscccprrrliiiepppttttiiieooonnnncosoof,ffspsapprneeedcvciaeiffnniiccytaptnpierrvocoeeccseemsddaauurirrnyeetssecnoffraoorrnrecrrceootuuiptvtriieonnceeaecaatdssinossrneee:sssssa;mmnedennttooffddaatta precision, precision, ceurcy, accuracy, descriptionof quality surance reports fa management. completeness, and any necessary corrective action; and description of quality assurance reports to management. . Refer 10 EPA QQC guidance, which is availble though he inert, a1 Refer to EPA QA/QC guiqlance, ~vhich is available through the internet, at hui po govhceruidancei hunt http://es.epa.gov/ncer/guidance/qa.html UIC 3c 1IIC3 c hGGeeoelooplsoriogpicosIIenodvseeassctusigvsaistttioeonsn.wTThhihicisshssweiecltlicobnteoiofufnottdhhneerRRa1kE/eFSnStW WoocorhrakkraPPclltaaennrihszhaealltlhepprrgooevovilidoedgeay ddneedssccrcriiopprntiitoonanmooiffna CdtdhoiiesnstdtrpiubrbcuouttpteioidoosnnemdaalaatcthhteiervioSStiicfiteteeksanaawnnohdswicoohtthahweneridlalasffbuffeseepccutetenecddtdeeppdrrrtooadpkpeeeerptnroitsieteasos.l.caTThnhahdreeancggtseeeororliclzooaeggsiitcchwehiinnegvvreeeeosstltgoiigrggoaayttuiinaoodnnndwssachhtaoaletnllrtabbmee inant conducted in areas of known and suspected disposal and in areas .where grbund water "CTohnitsasmeicntaitoinosnheaxlisntcs uanddentohekfnoolwlnowoirngsuspected contaminant source rcshasbeen denied contamination exists and no known or suspected contaminant source area has been identified. This section shall +clpurdoiponsgathfeo a proposal to ddiideeneficninlntueiedfiettchhtaeehtiesso'crnfroaaolhrflogawhrpaiipgnhhhgyy:orOoffotthwhecpcoeonrnsmoseolabldiidalatileteydd lnaennddseuusnnoccfoonmnsasotoleliinddaaaltteeiddn d~(ehtepepoossiittss . cuiunonnncsctlauaatdmusiirnntagateendtdthse((.vviaTdadhedounosstseif)p)ircszaoootannisoeecnhlwoihsfcihchahhliglmmhaalaoysyro alaiofffwenccpc~eeccroronntncthteaaabmmeiixlinintlaayennntltenmmnisdigegrstraayottpifieoomnnoafhooterrohtihaeell iaanetrtiteshnneuuaaotfrioonn of of orrceerossgnpptaeeamccmtetiiivnvmeeaantccetoosrn.n,ssToogllluiridsdaaaptltreeoddpsnuonmdsta,stls ssaaihnn,addlIauuannnldsccoocolnnianssyocollaliudcadcateoleertddhdiemmnaegatxtetteroeriniAaatllSassnT~cdMnls,cutyliudpldieicnnolggfslierstefhilaaofttliiovvcgeeriieaasmmoonoouufnnttss of of pSosrccrhgohpeaemnomsieecedoom~eaoosutteehsrer,tro~sadaccvecccieelnpp,.tiasatbabhlnleed,ssptahsaiynn]sldd,iaacarranddldppncrrldooaccyecedh"duaeurcmcerieosc;srad;lin..gprtooApSeTrMwhsiocihlsa' cflascsiftichatimoonve. ment poporrrrooatppteeotrenstneuiudesasttteimoosenntsolotfdof.ccdooendnfteitananmemsiiitnyhna,eannotptrshsgyaiisnnniicttchahleemaassntetrdakatrtcighgcreroaamnppthihceiianccl,nupcniraoittspsieoidnrdetieenentxsticifwhfiiaehcndidcghsaebbocaosfovefe,epc.atTTythhh,eeesspeemerocveenmt ent properties include: density, organic matlcr content, cation exchange capacity, percent aldasyorcpotmieonntp, evenrtticaal(hKdy) dSeee thcosoniduclceta,nupogluipdoarnocseitfoy, edffeictoivenpoproasriatnyc,carnsd ctay content; vertical hydraulic eonductiviW.', total porosity, effective porosity, and ppardrpoosroppooroppssoteesiddoaln.mmetpeotothhtdeooneddtssina0Ilio(ddKaeerdfeii)an.ns~Sdettheheesthnneaatttsuuorrieelbncyalndeedaxneeuxxctpteeanngvttuoiaoif.fItaoccnoriocnoneoattafmhnomeirsrnianadaatdtiiciootinnotninnaatlthhpheeaarvvtaaammddaeooytsseeebrsezz.oonnee;; o a proposal to identify areas disturbed by excavations or other activities that may be traosuitnegs),ofcaonndtaminant mization (c &. bused pipes, ily comdors, ll areas, ac routes of contaminant migration (e.g., buried pipes~ utility corridors, fill areas, lank o a proposal10 basins); and a proposal.to denify identify aammbbiieenntt ccoonncceennttrraattiioonnss oofaf naanlaytytteess iinn tthhee ssooili.l. MC3d. HydHryeodgrsgegoeelonolooggpificcsiIclntnivvveteosistetinisggaatoniboonen..TuThnihdsiesrsstetackoteionnntoooffchhtaherepapcrtreoorpipozsesetdhRRIlIE/oFcSSalW WaonordrkkrePPglilaaonnnasslhhaahllyl!dpprrroogoveviodiledoeagy . description of activities to be undertaken to characterize the local and regional hydrogeology "oTnhdistshecctioonntasmhailnlannteduisenutteiofonllionwihneg:ground vate at the Sie and ober aed properties. and the contaminant distribution in the ground water at the Site and other affected properties. Th~s section shall include " tperropozsoanleso: idety a proposal to identify Quaternary (sci) the following: Quaternary (glacial) and bedrock and.bedrock sqifrs, aquifers, aquiads, aquitards, and and perched perched pawa ipparetreoozrppozooomssanealeesffr;ooosrrrtthhaeethiinrnssdttaealvllaiatctiieoosnnc3aenndddedddedvvtcoellcoalppemmareelnnyttodoefffiggnrreoouugnnrdoduwwnadattweerrammroonnilittooowrr'iicnnoggnwdwieetllillossnaasnniddn/oorr . . pshthuieeerzvhgoealmyaceceiidatael1r0saantnohddre bboNeetahddertrorooccdmkkeavaaqiqGcueueioifsfdeenerrsets,ei, dcqaeuqVdiue'trittaotarircdcdlassel,,aDaralnnayddtduppemeefrirnrcceehhfeeegddrroewwnuacantetdeelrrwezzvaooantnteeeirs.sof.nloA,Alwalllncwwdoeenlplldrlssoistcishoehadnaluslrl ibebnsee surveyed to the National Geodetic Vertical Datum reference a"hfalolobe specifiedformeasuring water elevations in all wells shatl be specified for measuring water elevations in ~11 wells 0 the ners elevation., and to the nearest handed of procedures htmdredlh el 3daaeppffroirooonptpe;oogssraaloluofnordr wtthhaeetesmrtsqatualallllaiitliyoonnupoofgfrrSawoduouenn,dd wwwiatathteeirrn,mmaaonmmdoldrooirmwnngggwrweaeldlllisscwwnhohiifccshhushsphaealclllt'bebede cuasnsedcdo.trtoo iddeefnitniefigerdoucnodnwtaatemr iquasoliulrysuepagrrcasdicanmli, at the irface betcen gow wate: end within, and downgradienl of suspected anti'or identified comamifianl source areas and at the interface between surface water; 22330011..00001155 STSATATTEE_0022333399006655 A. naaapprrruoorppeooassnaaldl effoxortareantggorrofomugnr)ddouwwnahtdteewrraqqtuuearallicittoyyntmmaaomnininittaootrriiinonngg paptrrotghoeragSmirttetooaabbnmeed ccoootnhnedduuaccfttfeeeddctttoeodddeepfrfioinpneeertthhieees. `cnMMouanuntusinirciecdiiepapranaeld!d,, efiixnnodrtdeuuisnsntttrcrioliauaflslg,,iroaaonggurrniiccduutWlhltteuuamrrtago)lrn,,icddtoooonmmrteaisemntsgtiiinpccartaaoingnorddnammma.otorthhiTietthooeSrriminitoegnnaiwwntedoelrlllosis,tn,hgaaennrpddraofssfgpperrrciiatnnemggdsssspashrhlaoalpllhebarbtveeieesa. -mpcmroioinnnpsiioimdmseueurmdmedeffsrrfetoeqsqruu(iee.nn.nc,ccluyysosoihfofunqquuiaananrrdttth/eeerorlrlmyypossuaanmmmiptpopilrlniiinngngggtepwwsritiotstghhtTowwaamdatet.eetrTrerhllemeevivmeenlleommtneiehataosshruuyirndregermmapeuenrlontigtcssr;;parmo- pesrhtailelsh,ave a - piaingnrqcgcullpiuuotddasiir~ndndgsg aihhetoosrtrtihsizze(ooenSn.itgttaa.el,l ashhnlyyudddgrroaaatuunhlldeiir/cco.accrfoopfnneuddcmutucepcdttiniipvgvriiottypyeesaarttnnsiddteosss)ied~cwecohtoeninrdcdmaahrrinyysehppaotohlrroeodssehiiftytyiyd,n,reaooufgflraaiocqquuupinifrdfoeerprwsseartaatennireddsf,low arrceeqollmmaaptttioiaonorndnesssnhhtiiasppt)ssth((ieddniicSrrleeaucctdettiiiaononngnsdsp,,ootggterrhnaaetddriiiaeealnfntttEassq,,cutaaienfndeddrpvvrieoenllpotoecrcrioitttiniieenessse)cffwtoorirhoibbncoohstt,hssrhvveaemclrlhtliaidccreaagflleiananaenrddegarhhsoo,ourrndiiizzdosoncwnthtaaaaltrlegrffellofolwwo.w caaprroreeomaapsspo,,osaaenhnneoddnwtggssrr)toohiuunenncddlluwwdoaiwanttgererepitolnetateretnaritacicoattlniioosannqhssuiiwpWfiesilrthhwiilnbssetuueerrvrffacaaloccuneeantwweeacadttteiewo.rin.tsIIh,nnrraaeeddcsdphdieaitctriitgooennt,o,attrchheoiianssst,sSaeedmcciittsniicoaohnnnatrssghheaallll * dpdairispsotrtprroioipbbsouuesttaiiholoonn~0vaanndthddeefttihthnleeeo.wppgoorrtoieeulnnantttdiiasolwnaffsuuthttieuuprrseeuswmme(oiolsvl)vebeamemnedeenvnttathleoouffaptoGcetoodennnatwtamimiit)hninaeranfenftsetpssc;e;tcwt atotecounstea(ms)inmaanyl have opaornnporcpcoooopsnnaottlasaammalinintnoaiannndtvteefmmninotoo~vvreegymmromeeuannnpttdiisnwnh. obbawotteithrhn-ughhsooaerrl(iiszz)cooniantnvtaadell,taahunn.enddupvvs0eeetredrttn,iitcciaaaanllJdddeiaifrrfbeceactcnittdiooownnrsais.t.eedIIrnnmuccusllnueui(ddscee)ipswmaiilatt,hyh hishave this ' rpiinarncdohupduossutsorasifal,la,hnaaeggirnrSiitvcceueul,nltttuauocnrwaadllo,,mfddaoohpmmiegssehhstoticiwccapinaaanncgiddtaymlmlooansnciettilitovosreraii,nnnuggdnwwumesuelenlldliss,c,,iaaapnnnadddlsaspwbparartinienndrggosssnuwwepidtpimthlhiyniunnwie2aclioolPnnsaeew!i,imtlhileien a rbatdharedreesmeecrsmmioipilftleithorreanaddSoiiuafutssevo,iofsafuntatdhhleeoaSfSiiihsctie;gw;hhaainnccdadhpacwiiDll~ wells and be used to municipal present, in water supply wel!s the RI Rept, the withia a haIynyddvdreerossogtcgiereigop.alottiolioogongniicco('efaa.nnv.ddi,scuhharyylddsrarooidggsseeecooxtcvcilhho~eneicsmmh,iicwpcaiaillellzddboaeemitseutsggieaacdtlhhmtee~irrpeepdsdr,eddsuiuersnrioitn,ncggoinrttchhteeheneHrHaRyyt1ddioroRognegep'moeoalorpo1lso,g.gitihccgeraphical hmwtehsotdigsa,raionnd (tea.bgl.e:sc)ross sections, piezometric maps, isoconcentration maps, graphical m~thods, and tables). LC3e. lll.C.3 wSSauutrfefiarccbeeoWWdiaeatsteerwr IinInvtveesshttiioiggnaantteiioonmn.i.lTTehhirissassdeesccttoiiofonnthooeffStthiheetRRiUInJcFFlSSudWWinoogrrkrkiePPrllsaa,nn lssahhkaaellsll,iipddoeennndttsii@,fywaaellltllssauunrrdffsaa,ccee bBwboooagtgstesh,,rpccbeaaorlledccnaianerrisecaoowluusisathnffdieennnis,a.n,tolleonrowemwi--mtffliiloleoewnw~ssiautdrsreifuaaasmcneos,f,wtarchtereeeeerkSksiCst,ea, tssiipnprrrcieilnnsuggdsss,ih,naaglalnnrddibvenaearimsmd,ieenldtdaikfaaienensddd,.puuoAnnnnndmaasamm,peewddsehHddoiaitwtnccidhhsnee~sgs..the TrBloeoolcteahcatispaoeenstrsoeoofonfnnfcaioalaslnllltaiaiddnmeedinnntitaininfftiiteeesrddmrssituuotrremffnaattccheeseuwwrSafaiatltceeerrtowbboosaddutierieerfssafcecareantwdhartttchheseersllbhoooaccdlaalitteibiosoennsioodhfefankktlnnbiefoloiwewdinn.cooAlrurdmsseuudas.spppeesTcchhitioeeswddsiencgtithone rsehalelalsienscloufdceoantpamrinoanptstooferovsmalautahteleSietaectho ssuurrffaaccee ewaatteerrbbooddyieisdesnhtailflibede,ienvcalluudaetde. iTshpisotseecnttioin dsttorohaabbileelnaiiignmmecp,plauaacdcibeteeodda mpbbreyyopSSdioiettspeeaosclcio6ttnonittoeaanvmm,aiilnanuanaandnttetosstehttahehcrrrhoopusuogugshrhsfiarrbceelelleeeawapssaaeettsshewrvvaiibyaaosggd.rryooTuiuhdnnieddsntwpwirataiotetpeedo/,,s,aesslvuurarsfflhuaaacaclelteeririunutcnnsl--puooodffeftf,eantial pudplnlraaadnneinrttaloogyieiidd,neegnantiaitrifnbyfdoytrwnthhieetehdbbieeenpnnosttushhiriitfcciaosscneee,ddawiimnamtdeeennsotltsshpegaarsnnddapdobbiseescnniuiblh,hleiiccapdaaajnntahddcweoonatttyhhse0e.rr,Tqasdhudliuasatdptiewrconccpgooormmsdammliunscuhinnatitttyolyicfcnoochnnldudeiditteiiooannss , clcuooonandndtctia}anm-mlgiyininonaafgnncttaonsnsdootuauwrmrcciileenhaiaannrreteassa.u.orIIfnnatcaaehddddwsiiuatiritoofennar,c,uemmpwegeat~tthhaeodordidcobonloltodo,gigaieidesej.ssacsshenalthlbtboee,apaprnrodolppdoeqslsweeddntgtooradddeeitcteenrrtmmoiifnnteehetthhee mmaassss loading of contaminants to the surface water bodies. "TwTihhteeh wwMaiatnteenrr. uuRss_eeccchll.aass7ssii0ff5iic0caaattiinoodnntffhooerr wttheheteliiaddneednnsttiicffliieaesddsissfuuirrcffaaatccieeon?wcaianttaeecrrcbbooordddyya.noocfrehbwooidltiliehess,; iinn aaccccoorrddaannccee, MwdMieiintnnhnin.fM. iSS~attnatatnri...oR$no3. fc11h00t,33hG7eG.00w.500a005t5.ea,rnusdssuutbebhdsecs.h.wa11er55atlcaaatnnnedddr-si11sc85tliaaacsnns(ddifi11c.00a3t3iaGo.g.n2r2i00icn11ula((ic11rc99ao3l88r,8d)r),ae,snscrchhceaaa.ltwlliibobtnehealiinn,ccalluundddepedrd.i, vateor municipal water Identification of ~nuniclpalwater supply) of the identified surface wter bodies shll also be included. the water use characteristics (e.g., agricultural, recreational, and private supply) of the identified surface water bodies shall also be included. 0r HILC3A . AiAinivrrebsIntaisvgeeasstuuiggoanatsit1ioon0n.:deTTtlhenirssmssieenccettiitoohnne oonffat~htlneeuRRaUIn/FFdSSexW WteoonrtrkkofPPcllaaonnnssthhaaallmll.ipprrnooappnootsstheeastmmaeerttehhooorddoomllaoogygiiebesseclf'ooormr e aaianriirvrbeboseort'nmigeesoaf((tieseuo..cgnt.,s,vlitvvOiaatpepdosoerrtasest,,rmhggaaeisnseeesSs,it,hemmeisin;ttasst,,urooerr portals) through ither :and extent of contaminants particulafes) through either natural that are natural phenomenon or or may become phenomenon or aass' a result of activities at the Site. 22330011..00001166 STSATATTEE0_203233399006666 Ato -A-10- IHlLl.CC4A.. LirssLhehsialastletllalo0sfiiefnn(PPcscool)lussudossdrieiebbtaallhcercceTTooaemmctpcceprhhnrenneehoodhelleornongesgls~iyei,vvaTTseeeyy(lIpipssse)ettsosaotfaafnonttrddeeccfPPhhrrrnnooooomppllooohossggeeeyyddSttvyTTyerppr.eeeeasasttTatathhhbbaasiittlliittmmTsyataSyySsthtububadleedilieaaesbpps.ep.pllTTdiichehcaeavebbetRRll.eeoUFpF1tFoe0SSdtthhcWWeeoonorsrkikdPePrlliaannng ptrthehreeleevRRaeseneetmm(seoe)rddoyyerlSSitehmclirlegencaacttttieieoonntnehdCCerrreetiltlreeeiraaisasaee((((PssP)a)arratottsIIoVVtr.hoCrfCr)eo..a)m.teTTnthhheides~rSlleiiilssteetta.ssshTheaa(hllslil)siibnlniyccslltuucsdodehme:ap:ll1le1)bt)eteteledcycehhvdnneeosololtlroopoggeydyyitnyctgyop,pneesssidttehharatilng dmpdeaerttetooevxrxeii]nfaftyylsomnrgog,ne,-loiSomrirtimienmoatmbtheaiottlbhriieelziqrziueiinnlerggeashhreaao(zzsala)'orrodndrogo-uuthtsseressruaumtbbemssnattaenandnaccgreeeessmleeooarnrstpep;(oosll)2llu)tbjatyanentcctsoshmnooorprllccoeoog.tnynetlttyaaymmdpieiennssaatntrnothtsysaiaanpnngrdde, vlleeenaatvveeor tmttmmoeoixxaicnnitihicecinimmriottiiyyallzz,l,oesegmmyotathohnbteebi-ySilrrpltieieettyllesye,e,ahstshsooaeerarr{(tvsvscr))ooeolloqonusururmmiottrheelherrooeetnfatfhaotettheehltneoneehnedhdhgaa-atrrtzzeesaa.lerrerpmddaaooossmsueues(sda)sns)sbuabbygbuyyteshmttbtarreneesancratteetm;tlsmoee2eoaann)rspttteopneppslcorr)lhclooulnoccutreoeetaaslsntosnsshtgtrsoosyepopaocttttiryoieoopncnnnetoesssdnahltmtrhahaiemaatnlttiaarrnpsneearcdtdon(uusvtsscce;);eeno!3ttf)hhoeer dhhleeaacszzhcaarnrridodpolotouuigsosynssouutyfbbpsstetthasaenntcchreeeassatoacofbo(ipnlpottlorylollulusttttahaunendttistshesoorrernaccetocspenostoassnmaerditynbatanytestmbhvbaeyiylcrueocanlotneetnaaatstaiehnin(ensmmr)teeeonssnrtpte;t;chtaariennvaddete44tn)e)eaacdhggnreeeonnlleeeorargaasylel ((sp)eosf .aiidddneeedsnnctatriiciffptiieiteivddoantuuennodddfecetrarhre11b.o.t2r2neaoootrFar33bandaaiibbtooyonv.viesce.tn. rdAAeistetiasna nmtmeiicinneiimsomsuuanmmry,~rteoeemxxeeccvdaaiavvelaautstaiiftooeonnrthaagennrddorueccsnaapdppeppwciia0nntvggecrrretesemhmcaeehlddlnimoeblsesogfooyrr soils .types softs considered. and activated Considered. carbon or anioni~ resin filth/lion remedies for ground water - ' shall be " ICS. IILC.5. `RRpeeucroosourraddntRRteeottteehnnittisioonnE.x.hTTihbhieet pursuanl to this Eahibil RRwUFiFFlSSbeW WomorarknkalPglaeandn will b{: managed aassnhnhdaadlllpprrppeerrssooeevvrriivvddeeeeddabbddyyecststchh0reeriipRpRttPPiioo{innnn oosaffcccchhoooorrwwddaatlnnhhccceeeddsawatitiaatthhoobbttaaiinncedd PPaartt IIL1D .Dooff tthhee RRFFRRAA. IUIIL.CC..6. RwARwiisiilslkslklebbAeesssuusnmnedsdeseenmrrttteaa'nkkt.ee~nn.tTtToOhheeccooRRnnUIddFuFuFcScStt WWseoporarkrkatPPellaaonnlssohhgaalilllcpparrloovvaiindddee separate ecological and hauddmeeattnaaiillheeeddalddteehsseBcrarisippevtliiioonnne human health Baseline ooRffisackccntvviitiicss R~sk tthhaat, aAAcsstssueeasslssmamennedtnspt.so.teEEncctoiela]ologgitlhceraaella nandd t phhuuubmmliaacnnhhheeeaatalhtlhaBBnadassewelelilinnfeaerRRei,issakkndAAsstssheeessessmnmevenintrtsosanarmreee neevvpaoalsuleadutioabnytsihooefofntthhsee .rtarehecel,teueaaaabslsseeae(snsn))dceoooprrofttthhaevrnneetayaiattelrennetehemdderedrraieetallletaoasaspecet(u(isbso)n)lo.icoffhhheaaazzlatahrrddaoonuudss wssueu]bbsfsattraaenn,ccaeedssdooftrhppeoolellnluuvtaiarnnoitnssmooerrncct oopnnotastemadiinbnaynsttsh.,e iinn : the absence of any remedialaction. T1"0ThhmeeeireistskkthaassssreeesspssommretenintntgaarccettiiqvvuiiittireeessmsehsnhatalsllolbfbeetcchooennBddauusccetlteeiddnesoR0ia.sskttooAsggseeennseesrramateteenttthhaee iisnnpffeoocrrimmfaiatetiidooinnnnneeceeessssmar3y, Pan E2. to meet the reporting Part 1-II.E.2. requirements of the Baseline Risk Assessment as speci fled in cFFooorrrrmmeaasttpsso,, nttdeecccshhcnnlooollsooeggyly,y, aaannsddpommsasatithhbeelmemat1a0itictcahalolssseyypmmrbbeosolelssntuuessdeeddin iinnU StthEheePABBa'assseelSliiunnpeeerRRfiiussnkkdAArssisssekessasssmmseeensntstssm sshhaallll ent pcgmiooudrdidreaealnsnspccsoeehnarrdleefafbesererrceelpoddrst1oeo0plyouusnnaeddsdeeprrionPPsasahrirbtetlIeLR.CCIt.o.FAAtShnnoyWysoeaarllptkereemrPsnaleatentinitvveeed ffionorrmUmaaStstE~,P, tAtee'ccshhnSnooullpobgegyrfy,i,mmmdaatrthihseekmmaatasitsicecasasllment models shall be proposed in the RI/FS Work Plan. IHILI.CC7..7. (IInInttReeArri)immt hRRaetesscppaoonnbnsseeeiAmAcpctltiieoonmnses.n. TThhee ted pRRrUIo!FFrtSSoWWcooormrkpklPPetllaianonssohhafalltll hpperrooRppoUossFeeSaatnnoyysltInantbtmielriinzmse,RRceeosspnpotonnass,ee aAAnccdttoiioronn + cmm(IioIitnLtitiAggaa)amttiteehnaaaantnntycysa,rrneewllbeheeaai.ssicemeh((spsi))lseoormrer aettsnhhotrreneedaaabttpelenrenmeeaddrnrrtdoeellneceeaoacsmseees(psssl)a)ertooyifoftnhhoaaopzzfraaotrrhdtdeocotuuRssIpFussFbuuSlbbisstcttoaahnnsetcceaeelbsstihlooirzorerpp,owolcellolluufnttataaarnneitnt,ss,otooarnrhde/or . oecennolvvneiitrraooimnnntmimnheenaetfnn.tots.r,AAmwtethraaicmmdhiiisnnipsiiomrmscauualmms,oa,rntetahhabeselR.eRiTP~Phnseshdhadanlellcslcippcgrrsnoosppaforooyrsseea[otntocoyporcponortdnocpudcontcsctpetudaabnnIliRcIIRARhAAesaffltoohhr botthehreecawoccneoosllnnfiattsaratmelme,niiontnraawtttehiedteh the Remedial Design (Exhibit B, Part ILA.) soils in the former disposal areas. The design the Remedial Design (Exh,bit B, Part U1.A.). for any proposed IRA shall be consistent b with tww' oeAAorcnnrkhkRRnt~iPPoocqqllaeuacdcuaikkltiiiafnonirggeldtssooiiogigrernnnggiisfafafnuiincirciizaaezannaetttttihirroaodiitnnss.k.kthTTaaehhsseesseeexsBBssasamswmseieeellnlnilittnnbeeeeexxRRpupieniessrdrkkieieerAAnnssscctsseeaeesnssshdsshomamoubeuellnhndetl! bbsheeaplplrreebppeaatrrheeoddr(otousgushbulchyocnortnervlraiacectwtessduubcchhya bsyhatlhl ebeMtPhCorAoutgehchlynicrealvisetwaefd, tbhyea MPCA Board, and the interested public. |eihnical editor to ensure tha! the {ext will MPCA Board, and the inierested public. be understandable .by the M.PCA lechnical staff, the 22330011..00001177 STSATATTEE0_203233399006677 Ane - -A-1 !- NICS. Ill.C.8. LCS. + IHlLl.CC1, 01.0. MLD. III.D. MLE. III.1~. Site SceurityandSafetyPlan A Site-specific security and safety plan shall be prepared asa. ssnSeeidppteoarSrSaiaetiteeceuapprcaairctrytteosoafsrfirdhtehesSetarRRfieUIct!tFyFiSSoPnlsWW waonho.rirkAkchPPSwlliaaitnnel,,-sddpbeeeessccciirrfmiiibpbcilisnneeggmceuaanlrlllittemmydeeaadansusduurrisreeansfsgeiitfynni,cecplIludulaaddnciintnsggahtca(ioollennsbttiien0ngp(gere1enn)pccayyerneppsdlluaarannesss a aprnodteScitteioancocfespsubrleisclriectaiolhs nwdhwicehlfwarilel,baenidmtphleemenevniterdondmuernitnganfidel(d2)acptrivotiteiecstthoe (h1e)aletnhsuarned pssraaerfofceetotteymycmtooieoffnndppaeeortsfsiooponnunrnbseellilicnrvhetovehlaeollvlAvheperddainliidnn1wtt9hh8eee9lfRRaHFIre!eSFs,.lSal.nhTTdhAhteshessseeeeesmmnsemveaeiarsnsoutunrrmaeenssednssthhFoeoaubuulrdlddua(cc2roo)ynnpss1riio9dd9teee3rrctStthihtteeheeUhpedaaltthe,and dprpeorrceecoppunaam~rreeennddetnsbbdyyad~itthhdioeewnAAostggienesnndtce@ hnyeifAlfboyprrprTiTeloorxx1fii9lcc8u9SSouruHbobsecstathaaltennhmccieeAscssaasalaennssddscmDDoie~nsntscctaaamassinecndRaRenFcgteDisbossritfurrayyc,r,oyvenvc1eee9nrn9n3.tthhSooiuutegghhUttphhdeeassteee, documenls did nol idenlify perfluorochemicals as contaminants of concern. CpCrooommvmimudinunihgtityp,/rRoRecelelaadttuiirooennsss,.foTTrhh(ee1)RRiU1n/FFfSSorW WmioonrgrkklPPoclloaalnnrssehhsaiadllleniitnnscc,lluumddueeniaaciccpooammlimmtuinueinst,i.yteyrnervelilaratotiinoomnnessnts,saeeclcttgiirooonnups, apnrodviidntinergesptreodcpeadrntrieess afobrou(t1)aicnufvoirimeisngalothcalSriecs;id(e2n)trse, smpounndiicnipgatloit iensg, ueinrvcisrornomrenctoanl cgermomuepds, caintdizienntse,reasntded(3)pacrtoioepsearbatoiuotnacwtiitvhiitihese aMtPthCeASiCteo;m(m2u)nriestpyonRedlinatgitoonsinefqfuorirtise.sRferofre~r tothe cohcemed MBMciaPtPsizCCeedAAn.sD;cceoocaminmsdmmiu(oun3nni)Mitctayyokorripeenllegaam"ttii,toioonnl~ssocggwauutiiifedld~daanolnhence.eetIhdd~eooIPccMCuuPmmAeCenCAntot,,~WTeeenunbnttiutslenteidtedya"R"iCCeoloammtmimoununsni!tetfyyfoII~nnlvsv.oollRvveeefmmeeernnttot.iitnheRRiisskk isn ps Based Decision Mstakatineg,", l!dcelaetaenduopnlpthueblMcoPoCrAd w98ebpdsfi.te at . http ://qcwav.pca.state.mn.us/cleanup/pubs/coor9 982pdf. SnSccdhheedddauutllese.fTTohrheecoRRmLUp/FlFeSStiWWoonororkkfePPallcaahnn ssahhcaatlillvipptrryooappoonsseereapssocrcthheecddouunlldeeuttchteaettdpporrsoovvsiiuddbeemssitssptpeeecdciifufiinccdeitrimmteheffruRammUeFesSs ,WRW~oFnodrRrkAdka,PPlielfaasonnr,I.bcTroTinch~doecumppcrrptooileppntoogisosteenhddeoRssfcJcehhaeencddhduullaeeFcStssihhvaaaicltltlylivrriaeetnffidlleese.ccrtetptthoheretttciimomneeldliiunnceetssedssppoeercciisffuiibeedmd iiiznntePPdaarru~tn1IdIeIoroftfhttehheeP,I/FS RFRA, for conducting lhe RJ and FS actMties. RUES Work Plan Implementation RI/FS \York Plan lmplemenlation WRWiPtithshhiiannlltthhiiirrnttiyyii((33e00)t)hddeaaRyyIss aoofnfdtthhdeeesM McPlPoCCpAAmeCCnotommamnimdsisssiscioroneneeenrrinaagpppporfrrooevvasalplooofnftsthheeeaRcRtIUiJFoFn.SSaW lWtoeorrrnkkatPiPvlleaasnn.,, ttThhheee RRRRP_PUPshssFhhaaalslllhllaccilnoo'imbmtpieaplctleeoetnttehdeut{hhcReet[ReRaJdInwwdiinidttahhecvocoeonnlroeedphhamuunncnedendrtrweeaiddntdhffiafsttlcylre(a(e1p1np55li00ni))cgaddobaalyfyessrefoosefpfdeoiirnnnaiisltte,iiaatsatitcinanttgigeo,ttnihlaeeanldRRtelIlronaacaccafttliiivvLv~eaeiswis.es.sT,.hTTehhee rRuIl/eFs,Srsehgaullaibieoncso,ndaundcteodrdiinnaanccceosrdcalnucediwnigthbuatll raoplplliicmaibtle~d f1e0dMeiraanl,.stSatatte., acnh.d l1o0c3a1l 3ndlaws, Minn. R. ch. 4725 roles regu}ations, M~nn. R. ch. 4725 forand lbr the instalation of any ground water monitoring Wels. ordinances including bul nol limited to Minn. Star. oh. the installation ot: any ground water monitoring wells.' 1031 and AAannndyypnnreeoccpeeossssseaardryyinaaddtddhieihtqoounnaaraltleRRrllIyaarccettipivoviirtttieessssnnuoobttmiiintnccellduuddpeeuddrsiiunnaRRntUI/FFSSPW WarotorrILk.kC oPPllfaanntsshhheaalRlllFbbReeA.iiddeenTnhtteii.ffiieedd ainmpdapcrtoopfostehed ainddtihteioqnus!arRteIrlayctrevpiotirtss osnubtmheitLteisdtpoufPrsousasnitbltoePTaercthInI.oCloogfythTeypReFsRaAnd. TPhreoposed TTiamrdredepaiatattsciabtobiniollaiiflpttyyRhIeSStatauucddtddiiivieetissitoi((nePPsaaalrwrtitRl111lIaIa..c.dCtvM .4e4)r}tssisheehalsalyllo!anfaafltlsehoocetbbLweeiosddrteekossfccsrrPciihobbeseedsdduibliilnenedttThhteeehcrqqhouunuaargorthlteoetrrghllyyey Terreeylpppooerortsftsst.a.hneIIdf eauPnnpryo)cpoomsiendg mammdoootdnniitttfhihotonohrarelwwMiRillPIll aCrrceeAtqqiuvuPiiirrtrioeeejssesiciwgtgnniMliitffaiianccdaaavnngetterrrrseeevvilyiimssmiiaoeofnfndessicatttootwlttk~hycerokaaftpsprcppherrmeosdiv'teueudldaetdRRioIUtFnhFFrSSofuoW WglohlorortwkhkeedPPblelaaynnnd,,aotthwfherethtRReiPPeunpsshhcaaollmll ing pnlotainfyatthieonMwPiCtAhinPtreonje(c1t0M) daanyasgeorftimhemiendtiiaatlelnyotoiffitchaetisoint.uation followed by a written e~planation within ten (10) days of the initial notification. Remedial Investigation Report Remedial l.vestiRation Repot! rWWesa~uttlhtmhs ossfiixxhttyey ((R66I00;))(dd2aa)yysbsafsaieflteeisrneccoormmipskplleaetstiispoennssoomftefinhhtee; RaRIn,I,daa(nn3)RRIsIeRRresepepnooirrnttgdodeefttaapi'odlsiinnsgig:b:l((e11))retthshepeoddnaastteaa aifcinntddion arelseurlmtsaiosfetsheshRalIl; be('2) pbraespealrinced sahhaclrlnoartigvaeni~zeshaalnl dbeprperseepnatraeld raisnkd danada assusebsmsmietnt1;0 sguebnmeriattteeddato aatlnhhdeere(M Ms3uP)lPtCsCocfAArpeelCCnoeoimmnmmgeimnsoistfsiaspoitoonienssreoi.rbn.lTeTohfhtreeehseRpRIoIonRRpsepeeprpoooarrcv~tteidon sRhFallSoWrgoarmkzePlaanndipncrieusceinntg,allatdaatma gienmera,tedanaaslyatriecsaullrteosuflitms,palemsesntaetiosnofsocfomthmepelaenptpirtoonveodf - QQmPedAusiFpooSrbbjeW jeetccaoitiirikvvoeensPs,o,lafbbnoo2.rriiinnnrcggleuslldoouiggnsssg,,: Fffau~itreetlladhdemddraa,inttaatimhsesuhheRmeeIet,tssRa,,enpaaaonnlryddttittceseashstlat lrrrleeessseuuullllutttsssd,eiian:nsccslleuusddsiimnnggenddtaattoaaf rrceeoddmuuccpttilieoontnioananndodf m~erl)~Ctat~on of all results. Fu~thc,, the RI Rep'ort shatl include: 22330011..00001188 STSATATTEE0_203233399006688 Az -A-12- nNiI.EE,.l. L dNNeaasttcuurrrieeptaainnoddnoEEfxxtttehenenttfoooflfltothhweeinRRgee:lleeaassee oorr TThhrrecaattcennccde RReelleeaassee.. TThhee RRII RReeppoorrtt sshhaallll iinnccIluuddee aa ' d esctttrhhhipeerteinnaoatanteutnoreeefdatahtnnoebddefeeoxlr!ttoeeelnwnettioanosfgef:dhhaaozzaatrrhddeoosuuissslsu,ubbssstutraafnnaccceeesswoaoftreprp,ololsuetdlainmltesnotoursr,Cctoognrnatotauanmnmdiitnnwaaensntrts,rreenlleedaasseaedidroorr o attthhhneereeccvaooatenlnnuttaaeatmdmiiiotnnonaaonbnftettfrfhaeaettteeeaeaaslnneadddbimmtloitiggtyrhra,~attaisionoondnil'spap,aacStrhulcwrwfuaaayycrseoswafwwicttaithhthyeiirnn,rcseeaesadcucilhhms'omiennfetcdasii,na,yg; rcooumnpduwteartemr,odanedlsair; employed for an evaluation employed for daa interpretation. of the reliability, and data interpretation. accuracy of the - results.of any eompute~7 models ME2 III.E.2. hBBauasmseeallniihnneeeaRRliisskkriAAssssksesessassmnmedneton.nt.eTTahhdederrreeessssuuillnttgss eoofcfotvwlooogBBiacasseeillsiinknsee (RRPiiassrkkt AA1s.sssCee.ss6ssm.me,tnStsnsht,sa:lonbneee raaeddpddorrreetssessdiinnsggs separate chapters in the Ri Report human Inealth risks and one addj'essing separate chapters in the R:I Repqrt. ecological risks (Pa~ III.C.6.), shal! be reported as IEEayaccmhhacnchhsaapptteteerrrmsao.fftAhheenaBBrarasaseteleliidnneveiRRdieissokktaAApsessswedasslsskmm-etennhtrtos~uhhgaahllloifi,~ntech!l,e_u,ddSeeitaaennaeenx.xdeecseuutt:rfiirvvoeeunssndumimnnmg~a.sarrcyeyswwsarsmihat.elenl bi,,e~ iilnanycclmluudadnee'dds to highlight information presented in the Baseline Risk Assessment text. terms. A na,rrated videotape. ~halk-through of the Site and.surro.und{ng areas to highlight information piesented in the Baseline Risk Assessment text. shall be "TThhee rriisskk aasssseessssmmeenntt rpeoponrsts sshhaallll pprroovviiddee:: lHIIIEE2.2a..a. cDDcooaanntacaceenEEntsvtraraaallttuuiisaoottnniisosonnoo.ffAAhhnanazzeeaavvrradadll6ouuuuaassttiisSoouunnbbsoostftfaanttnhchceeeessrr,e,essppuuoollltlssluootalffntutthhseeoorRRrIICcoossnhnhtotoaawwmmiiinninnggaannttthhtssee raaeectsnelanltaannnddrepprlrooejvjeeaccnttteeddmedia present ~n relevant media ((cc.ig.., ssooiil,, ssuurrffaaccee wwaateterr,, ggrroouunndd wwaateterr,, iai,r, sseeddiimmenetn,t, nandd bbiioottaa)).. MIILI.EE2.2b..b. TTCooounxitieca~muiwynAaAsnsstseedssessnmmiefenintet..d tA,~rn3oiiuddgeehnnttiisffiiaccmaapttiliooinnnogoffatnthhdeeihhnavaezzsaatrriddgasatneioddnssl.ooxnA~icccooollmoopggaminsaliloppnrrobpoeetrpuweeeseornofnftaeehaeccshhlist oacofnofanlccytooasnnmettsaa.inmmaiIinnndateannnittdtissefnikkcttriaifotoiiewwodnnnothttfoorothRuhaaegvvcheehesbbameemieenncpalddilneepgpsopoasesniciitdtefedidincoovAnnepspttuhlhgeieacSStamiibttleneesvv.oeeArrrssRuucessolmtethhvpooaassnreetisffaooonnuudnnbddAepllwtphhrerrooeopunurggithhahteeIis~ tRaRhneeeaqqluySmtsi~err.eeesmm. eeIndntetssnt((iAfAicRRaAAtRiRoSns))offfoortrhhheaaczzhaaerrdmdooiuucssalsssupbuesctbaifniccseAst,opoarprplipnocolalcbllluueettaaonsnrttsRo,oerrleccvooannntttaaammniidnnaaAnntptsspriioddepennrtiliaifftiieeedd at the Sile. WllLI,EE2. 2e,.c. EsaEpnxoaplsyoussrit,sereaAnAsdsssseeusspsspmmoreetnnitlnlgAAraccotommipoprnresehhesehnnaslsilivvbeeeeeixxnppcoolssuuudrreeed pfpoaatthhcwwaaacyyhsspttaaatbbhllwee.a.yA.AnnFiionnlcclllouuwssimtnongn//etexhxecclluussiioonn icnnaonccnlalutulyasssimi~ooisncn//aaeennxxtdccsslluuuatpssiipoooronnrfta~irnnnoagmallyrytsashitiesiso,,Sntaaae.lddeeetItseedhreramnmltliiinnbfaaictctiiaionotnincoloonufdfoetfthhdetehfeeeoxxrpttoeeetannetctnhtaainnpaddalthileiwkkceeealhypilh.oodFroooddplloooopwuffleeiaxxntppgioootn,shssuue.rreePrt(o0ov- ide iciinnno-c-ndldteeuappdmtithhningeeanpnnhvvtyisisrroaiotcnnamomlreenafntrntoadamllbffitaaohttleeeogaSainnictddael.ttrIrdadaennegssnrpptaoiodfrriattctaaaitnnoiaonalnlyypsrsoiiofssctefhfsooesrrepccsoootammennppdtllmehetylcedrddreoceegexxepppootoolssoruugrprieeocpppcuaaolttahnhtwdiwoiaaonyyns~s.s.Provide including physical ai~d biological degradation processes and hydrogcologic conditions. ME24 ERRixispskkosCCuhharraearca(tcRetreMirEziza)atitsiohonan.l. BBboeottphhroaavmmidaaexxdiimfmouurmmcaeecxxhppoopsasuturhreweaccyaa.ssee aannaallyyssiiss aanndd aa RReeaassoonnaabbllee MMaaxxiimmnumm ' Exposure (RME) shall be provided for eacla pathway. . ULE. lll..E.2.e. aUsUnsnCocceeirrattatieinndttyywiaantndhdthSSeemnsS~iittiiivviaittctyyhAeAnemnaialcyl,'sailssis.m.iIIxfftttuhhrmeer:see riiissskoorrawwsisillellsbsbmeeemmnotorraeeddtthiheaasnnsoionnngee aaadnndaailltyyittveeiotoyffaccnoodnncceermn synergism associated synergism swshhaiatllhll be conducted and reportedupon the Site, a chemical mixtures risk be condneted and reporled Upon. assessment addressing additivity and BAAesspcporantrdtouofcftttehhdee auunnndcceerrrettpaaoiirnntttyeydaaunnpaaollynyssiwsi3hsaicSShy}nqea~sresgrgaiinssettisccssisEEfkffsfeeccpttossseUUdnnc(beeyrrttcaaiionntntyy.dAAonnar-lay]yastsiitsshe((SSSEEiUeUAAm))aysshhabalelll mubmnco~ddcdeiorefnreiesdestudtiicmrmteaeamtdteeeddadinbbadyyt~iaaocnnnpoaalrddelevddediilutsuvvpniitoeyyncebbwsaashssa~eerdddyhrifisaosksksccuochmhmaaprereasancc~isteieasrrtkiiezszaafpttoiooorsnnep.sdo.sTbsTyihhbee~l'eSSonEEsdyUUnmeAAorg~s~ishhsataaltiltlctppherrfeoofevvSciiitddtseee. may be modi fled remediation levels necessary .Io c.ompensate for possible synergistic effects. 22330011..00001199 STSATATTEE0_203233399006699 : Ase ULES. DDDeev~ee'elloovppmmeecnntltaaannnodddSSSpecccrrcecmcennniiiennnRggonoofffRtRescspRpoeosnpnosnsseceAAAccctttiiooonnn AAAllltiiememamtaaitriv~ve'eses.sc. hTTahhpeeRR1ItRRaeetppooprrrttovssihhadalelllsaiinnncclulduedae "eDeTveveavcleeuhlualootpialomontgeoy.ionfftoT((yaan)np)edaesaSccachhnrodeoefPfnrittnohhegpeorroseefessdpRpooeTnnrsssepeeaoatncaasbcteitiilooAinntcyatailSoletuneadrmAinacalittsievvr(eenPssaartaaitvssseTse1sem.mcCbb.hl4laee)pd,dteeffrxr.roctohmemaptttthhpfeeroorLLvitiisshdttoesooseffPaPno.osssiibele `eCTtecoechmchnmhnoiuoslolsooloigggoyyyntteyyTrppyeeipssnestathhpaaaptntrdhhoavaPvivrneeogpbboteeseeenndReeTUlliirFmmeSiainntaWaabttoeierlddiktyfrrPooSlmamtnu,dffuuiaerrnstthdh(eep(rr5a)ccrootannInsIsyiIi.ddCoeetr.r4aah)tte,iioeotnnxeccbbehyypntotthlhfeoeogrM MythPPtoyCCspeAAes CidoernmtinfiisesdiboynetrheinRapporrPotvhiengMtPheCRAUCFoSmmWisosrki.oPnleanr,parinodr 10(b) sapnpyroovtahleroftetchhenoRIlogReypotrytp,es identified'by the RP or the MPCA Commissioner prior to approval of the RI Report. TbTyhheecoppmuubrrippnodsiseengoooffrtthhsiissssccchhmaapbptlieeirrniistetocohddnooolccouugmmyeentntytpiiehhseeaddneedvveethlloeoipprmmFeeennsttpeoocfft.rrveeessppporononscseeaascctotiipootnniosanhlsteemwrnahatiticivvheevssall babbeleyeaacmpoapmptliibevpidensitltnoohgsaispovpereececiabifsfdeisiececnmaodpbpeelevirrneaaglbbolltpceeectudhr,anniotstshlooeorgyrywthhiteeylplSSbeiisetteasnaacdssreaatehnwweehihodrolretlee.s.upAAsefscftuttereivrereththhpeeartorrecneseslpspysoonnotsshpeeotisaaoeccnttasiioiownenmhaicthivwes, ,ll hsathtlalaanetimwwniaeilltdllivfkleoiksreehfyluyarvtaaehccehhbriieeeaevvnneealdttyhehsveeiesrrleoeisspnppetoodenn,ssteDehAeaaRycct.twiiooinnll abjecives and be s~:reened t6 objectives and leanup level (Par IVA.) willbe assure theft only those attemativesc cle~inup levels (Part IV.A.) will be . retained for further analysis in fl~e DAR. "-~ WIE3a III.E.3.a_ dDDe~ivssecelrriiobbpeemPPerrnoocceaesnssds sOQcpprtietioeonnnsisngdaniendcdiDDsoiococnuusmmsehennattlltthhbeee SStcchrro~creeonnuiingnjhgalyooffGRRoecesusppmooennnssteed.AAccTtthiooinns AAdollclteumrmanetanittivvaeetssi.oAnAllll shal nce development bantdhswcrreietneinngdedscerciipstioinons and summary tables shall be th.grougbly documented. This documentation shall include both written description and sunm~ary lanes. " "cTTohhneeddudecevrveielnlgooppthmmeennf:tolaalnnoddwissncgrceacsnkrisn:gonoffrireessnppoonngssee aaccttiioonn aalltfeermnaattiivveessisis aaccccoommppilisihscdhbebydy, cigndttcting the following tasks: Devclopment , Development FFctrroiomomntthahleetlleimsstatooiffveteescchbhnynaodlleoosggcyyrittbyyit3enegss,,haaess paarppoppcrreoosvvseeoddptiininottnhhsee fRRoUIr!FFeSSacWW hotorerkckhPnPlolaalnno,,gdydeeyvvpeelelooappnttdhheeasrreeesrsppmoobnnlsesee. : a~tshctheeteipottieresicchaahnlcntoceolrolonmogagptyylivittesyy~hppeeebdssywwbdyiiethhsfcorrrleieblsspiopneewgccittntiihvfveheeppprrrpooorc{coreecossessssd.uoporptpeittsiioooonnnussslfiiionnnrtteooedarrecebshesplptoooewnnc:ssheenoaaclcottiigooynn taaylcptreearantnaidtvievases.ss.emTThhbiilsse " step is accomplished by following nwaryet;he technology types and. a~lay the tedmology types and describe ll possible process optionsfor the procedures outlined below: describe all possible process options for ach each technology .t~chnology = tftfyooaprrbeecl;aaiccshhhpphrrooecceevssossluOpmpie~oisono_,nf,clloissntttthahmeiaanccattniiosonns aaannnddd lltohocecaavttiooolnnumsseppesecciaiffniidcctAAyRIpLeA&sRRSofs;c;ontaminated media o establish the volumes ournirs),eaonafdtshe Site 0 or areas ol; the Site to which the response action alrmtive 'of contaminants and the volumes and which the response action alternative will be applied (c&. operable: types of contaminated media will be applied (e.g. operable Rauaes~mssstpeesmom)n;bbslaleenadoocnniceooonrr ammlatorermeeatitevecec.hhnnoolloog~y type(s) ~e(s) and and the the respective respective proses process option option ito into one one response action alternative. , - SSecrreceenniinngg OaOvnre~ccceevatthlheuearrteeessdppooannnssdeesaacccrtteiieoonrniedaalltueesmrinaagttivit,hebessShhiataevveeSpbbee~ceeinnfiddceeRvveeelsloopppoecnd.ds,,ehthAeectiri-eeossnppisOmnbssjeeecaacicttviieoosnn aaanlltdeemrCnaltaetiainvvueepss. aOLLrbeeejvveeeeclvltssail((vuPePaasaptetaadIInVaVn.h.Ade))s.cCTTrlheheeoonasseenedurrpeuessspiLpneoovgnneslstseehaeraaccSttiieitoelonniSmaapilhneteeacrtminfetiadcitivfRvreeeosssmpttohhfnaautrtsteddhooeArncncootoittonnmmsieeOdeeetbtrjattehthcieetoiRRvneeessRsppeaoosnnpndsoseeCnslAAeecactntiiuoopnn Objeclives and the Cleanup Levels are eliminated from further consideration. Response AcshtailolnbeAlftucthmeartveevsathlatupaisnsthtehisDsAcrRcening arc designated as "evaluatedahematives" and Action Altcmativcs that pass this scrccning are dcsignatcd as "cvaluated alternatives" and shall be fmthm evaluated in the DAR. "aTTlhheeermR1~aP5~tissehhasallllshpporruookvvliiddneeottitssberreevccoemonmmmfeuenrdnthadetraiotcnoianaonsnidndderrraaattitioiononanalleefrorereggpa,larreddmiinenggn,txwavhthiiicctoh~nrreeatsspptoohnnessSeeicaa.ccnotnion, . allernatives should not bc given furlher consideration for implementalion al the Site. 22330011..00002200 STATE 02339070 STATE_02339070 pen : -A- 14- ILE3b. III.E.3 oh, MLE. III.F. HIFL ILE. ItI.F.2. ULF.20. Ill.F.2.a. TTrreeaaattaadbbeiisllcii~rti,pSStttiuuoddniieoesfs.a. lTTlhhciiossmccphhlaaeppttteeerdrootfrfettahhteeaRbRiIlIitRRyeepspotourrdttiessshhaaallllnppr{toohveviidrdeee:s:ultsofany plo sucies, baednecshcrtipetiosonrtooftsahle,lrcoamctpivleittei.eds ttrheaattawbeirlietypesrtufdoriemsedantdo tehvealrueastueltsteocfhnanolyotgSyilnttypsetusdaiensd, "pr.oppbprreooonccsceehasslsstesoos,ptpsttw,iiioootnnrhss;o;ttaaihnnmeeddr activities that were performed to evaluat~ technology frames, for any additional treatabiiy sudics that arc types and needed to pffTuuurrorrttphhhoeeersrraaeelvsnv,aaalllwuuyaiazttteheedtaaiimnnnyyethrrfeeer'assDmppAooeRnns.ss,eetbaacrcttaiiononyn allematives that pas the screening and arc to additional treatability studies that are needed allematives that pass the screening and are to beto be further analyzed in the DAR. - FEceaassiihbiilliittyy SStiuuddyy RReepporotrt Within inet (90) days ofthe MCA Conwnissiorer's approval ofthe RI Report {CW (PPoaiarntrthtsiIInViV.n.sBBin.ot.2e2fi)l)y,,nhtt(eghh9ee0rR)eRsPdPualytsthsshaaoollfflpnpthrryeeeppMaatrrrPeee'aCaatAannbddiCbsstouuymbbmmsmitiutti,dsist0oeiostt~hiheeenrd'MMs PaPpDCCpAAArRo,vCCaooTlmmhomemfitDihssAeseiRoiRnoIsenRhraaeelaprnlnoaFFrdtSSdrRReesepspoorarltt the consi.sting of the results of any/reatabilib' studies and a DAR. The DAR shall address all the ReIxRaeuposrtt shematives specified by the MPCA Commissioner in spprovionrg modifying the evaluated alternatives specified by the MPCA Commissioner in approvipg or modi~mg the lad. Report. . .-. TTnrrdeeoasothanibglioilrittnyygSShbtedunidcciehsos..rTThphiilssosseetccuttiidooennosofdfttehhneetFFeSSdRReenp~toorhrtet ssRhhJaallRleiipnnoccrllutudd(eePattrhhtee LrrIeessLuuEllSttssbo)o.ffaIalnlll acctooimmpoplnlee,tteeddfor eaebanaeccdahhdodoonrffgetotshhiseenegdtteebaccehnhndnncoohpllrooeoggsriieeepnsstiletotdhht:aa:stluhhudavvieees undergone ~dent~fied undergone trestsbility studies, the following facors shill m the IL! Report (Part l!l,E.3.b). D. additmn, [br treatability studies, the followi.ng factors shall "beefafdedcrteissveedneansds pinrewseeanrtiendg: the hazardous substances, pollutants orcontaminants; ~ reeflfieacbtiilvietnyeasnsdJnpalsrteastuicncgeslhseesohafztahrdeotuescshunbolstoagnyceusn,deprolsluimtainlatsr ocroncodnittaimoinn0santthso; se atthe Site: nd reliability and past successes of the tectmology under similar conditions to those at the SaaSvviiataeeii;llaaabbniidlliittyyooff tthheetteecchhnnoollooggyyttyyppee aanndd ssppeecciiffiicc pprroosceessss ooppttiioonn ffoorr iimmpplleemmeennttaattimonnaat tthhee Site. DiDneendteaitilaleeildd cAAonnnaasiiivYdsesirissinRRge~ptpohorerttR. eTTmhheiissdysseeSccettilioeonnctooiffontIhhCeeriFFtSSerRiRaeepp(oPorartrttssIhhVaa.llCll.)aa.nnaaTllyhyzzeeeDeevAvaaRlluuasathteeaddl lailentscenlrnuadatetiivvteehess Tolowing elements for each evaluated altemative: in detail considering the Remedy Selection Criteria following elements f6r each evaluated alterndtive: (Part IV.C.). The DAR shall include the DDaogteaitianlisleteddtDhDeeseBcsacrlriaippnttciiioonnng.. FCEaaiccthhreeavvaa(llPuuaaarttteed1dVaa.llCte.er2mn)aa,ttinvvaeenesslhhyaa,lll lbboee nddeetsseccirrniibbeeefddfeascnatdidveiinnneddsiivsv,iidduuaallllyy assessed assessed daiimemgtpapaliilenelmsmeetdnetthdnaeetbsaiBcblriaiiltlipalytyn,i,cosisnhnhogfororCtrterteieatrrecmmrhirareiivss(kaPkslsa,'ur,attttoIoeVttdaa_llaCccto.o2ess.tr)t,,,aanatnnaimddeeccclooyhmm,amlmluonnucignltiulwyedimeaacccceeefppftetafcintnicvceee.n. eAAsstt~aa. minimum, minimum, the the the operable unit 10 detailed description for o the operable unit to which the evaluated ahemative each evaluated alternative shalt which the evaluated alternative would be include: would bc aspppplliieedd;; * aaadddeeessscccrrriiippptttiiiooonnnooofff ttthhheee ett~necgchihnnneooelloroiggnyygttcyyoppneesiaadnneddrapptrrioooccneesssssreooqpputtiiioroernid;; fo implementation e 2, for paildoetscrreiapttimoenntofftahcielietny,gianneyeraidndgitcoonnaslidserattiionstrhctqmuairyedbefonreiemdpe'dlemtoepnrtaotcioened(ew.igt.h, ffoirnaal rarpdeeieslsospptcoortnnrissepeeattaiamcoctentiionootfnnfadodcepeseisliriiggatyntn)i,);o;ann,ymaadidntiteionannacles,tuadnidesmothnaittmoraiyngbereneqeudiedretosp;roceed with final o .aadedsecsrcirippttiioonno9ffoopfefrSaitieond,ismpoasianltenneacndcse,ananddannsiopnoirttoaritnigonrepqluairse,ments; aadedsecsreirippttiioonnoofftoefmfp-Soirtaerdyissptoosraalgenereedqsuiarnedmetnrtasn.sportation plans; aSaaidddteeeesssacccnrrridiippoptttfiiioofonnnSoiootfffestseahamfefeaeptllyoythrrraeaewqnqmdussrutaeofemermatyeegnentscsroeanaqsssusisioodrceceirimaaattteeeinddotnsw~s;iv;itlhh implemeniation, implementation, ;iinncclluuddiinngg both l?oth on on- eaaSviddateeelssuaccanrrtidieppdttoiisfoofnl-nSeooimFtfehihohvoewwealataahnnnyydanoohdffoltwshhaeefaenaotytythhceoeofrrnteeshvviea.adllcetu,oraamatttbeeiioddnnaaasllt;tcictolnnnasattiicvvoeeussldccoobielfslddt bbbeee- cci, oommmplbbeiimnneeenddtcwwsiitthfohthtiiss epvroadluuacteesdigan]itefrincaatnitvecoasntdsahvoiwngasnaynodfotrhebectotemrbaicnhaileiovnesthceouSlidebSepsetcbiefiicmRpelesmpoennsteedActotion pobrjoedcutcicvessigannidfCiclaenatncuopstLseavveilnsgs(Paanrtd/IoVr A)better achieve the S~te Specific Response Actmn objectives aud Clcanup Levels (Part IV.A); 22330011..00002211 STATE02339071 STATE_02339071 ' AS -A-15- "a duaiedlseicszrceirdipptttoiioeonnn/srrueervveiiecewowomopffloioann-ncSeit-ewoiotSrohfofAfif:R-SSAiciRtteeS,;trreeaaanttdmheenntl oor ddiissppoossaall ffaacciilliittieess wwhhiicchh ccoouulldd bbee auaupdtdieoleisnzsccercrdioippmtttopiilooeennntosioufofrtnetohhfceeoeermvveapaslllpiuuoaaannttseceededaaw:lcattilitteohemnr.anAtaiRtvivAeeRrrsee;sspapnoondnssee action ac.t~on dismantling dismantling to to be be conducted conducted upon completion of response action. Fb. lll,F,2.b. CdCeoosmmcprapirabareatdtiiavvneedAAninnaadlliyyvssiiidssuaoolfflyEEvvaasalsluueaasttseeeddd AAagllaitiesnrmnsatatttiivheeess.B.aOOlnannccceeintthghee Ceervivtaaellruuisaattee(ddPasartlhteeImrVna.attCiiv2vee)ss ahhaavvee been been cvddoaoemlsrnpcurpaairatbareeatddtiivvaaeelnidaaennmianaalldtyyvissveii.issdussThhaahalllelyll pbbiu~eerspseceooossnnseddeoduufccat'tgeteahddiinsttosoctoeetmvvhpaaeallruBuaaaatttleeiavnttehcheeiannrrgeaelllCaayttsriiiivtvseeeriippaee0rr(fPfoioardrrmetmnaaItVnnifcc.yeeCto2ohf.fee)eaagadccvhhantages. aoeafnvnddatlhuddeiaisstBaeadddlvvaaaalnntntetaarcnggaeetssCiovrofeief. eeaTacrhcheh(Ppeeauvvraratplluu1oaVast.teeCed.do2fas)t,hlhteeiirsrnnncaoaotrtidimvveeeprarrtreeoalltaafittavicieviveleaitnt1aoatleooynnsseeeislaaeincnstootitotohhneeidrroefwwnaitintitfhhyarrpteephssreppoeeapccrdttivattaotonetscaacgcehhs remedy of the Balancing remedy. C~-itcria (Part IV.C.2), in nrder tn l'acilitate sc'lection of an appropriate "sTTthhreeenccgootmhmpspaiarnradattiiwvveeeakaannnaealslyyssseiisssossf.hhatalhll!eiincncvclalUluddueestbbeoodttthhalaat.steabrblalteeiaavnnsddreaalanntaairrvrreaatttoiivvoeenddeiiassnccouutsshssmieornnbdydeessuccsrriiinbbgiinneggactthhhee . " sesstppvrea~eclSciuinffagiitctchescdcooaanmmhdptpeoowmnaneeteainnvktteno.oefsfTseeheaasecchohnafBBratrhalaelataniencvvcieisannlhgugaaClCrtleirdditti'eeasrrlctiieouorsnnnsattohotioveewevvsaalllruiuekaaletaltetyitvthcheheatrroneegIloeaanstleiivivaeenpvpoaeetrrhriffeaoorbrrlmbmeysaannucccsoeeiunlogodffeeaeaalaccechrhh each evaluated altemaiive's relative evaluated alternative. The narrative each evaluated alternative's relative performance. shall discuss how performance. likely changes in variables could alter T"CTrhhiiitsserssiceoncc,ttiioodnnissschhuaasllsll bbtehcoeroegrvgaaanlniuiazzteeeddd iiannlttthhee fftooillleoowwtiia.nntggpemmarannfnneoerrr,; muhunnseddeebrreaesaccolh~veriinanlddliivvuiidndduuaealrl tBBhaallaanncciinngg BCBthaareliltyaaennprccieoiirnnnfggo, rdCCmri.sriictteuFerosrisiroontin.hn.enOOoetvlvhahaetelriruvaeeetvveatadleluucaaahlttnteueodd~l,oaaaghllimieverre,mnaaIhittteiairv~vreepsspco~ssthhfeoaanmlltlib~basele tdahdiedissvbcceauusssn~ss.teeoaddvteiiienrnasnttlhlhpeeuenoordrrddefeerrrothiinrantmwwhoahiinccchhcoset tahnedytpheerdfoegrmre.eFoofruinncneorvtai'dnvtey tienchthneoirloegxipees,cithcmd rppeotrenftmol drd5mv3aacntoanmgpecsaerine,dpewrifothrmmaornec,e or cost demonsiraied technologies, shal aiso be discussed. and the degree of uncertainty in their expected performance, demonsn'ated technologies, shall also be discussed. as compared with more. "The presentation ofdifferences among the evaluated altermatives can be measured either Tqq(uuehaa2ell.iipttaragettriise',veaMetnletyyrastoohiroronrqqtuuoaatfnneditrtiimtfaaftetriirivevsenlklycyc,e,osaanssamcaapepooprnrrogooprprthirgaeirateteeae,vt,aeaalrunnacddotesssdthh)aaalllllQteuidrdaneenantnttii{afy,yetsvssucuebabsnnsttfaabonnerttmiimvaveeetaiddsoiiunffrffeetedrhreaeentniccwteheosse'sr used t(Troeoe.sgaaps.s,ocsneegsssresseaattthcheeterieesovvhnaaoollrbuutj-aatetteecertddmivaaerllitsfesekranmncaadottincivlceeeessran((ne.su.pgo..r,,legssvppreeeelcacsitiefafiriecccoccnoosestst)tt,. eeQassnttuidiammnaeatvttieeetlasss,t,iovttieifmmrieenefsuuoinnridmtiuillaatlthihoecero~SSnitiuhttemea--itssnwppaeeactcsiiiffuniicsc)ed srehaslplonbseeiancctliuodnedobinjctchtisvecsdiasncduscslieoanns.up levels are met, an&levels of residual contamination) shall be ineIuded in these discussions.. HLF2. RN lI1.F.2.c. RDReeAccRoommimmteernneddceeoddmmEEeavnladulaustatiteeoddn AAofllitteehmmaaettviiavvleeu({asst))eaadnraddlCiCeoomnnaccteepiptvtuua(alolrDDcecossmiigb.anin,n.aTtTihhoeenRRofPPevsshhaaalllullaiitnneccdlluuddee iinntthhee adDaellAtseeiRrmgnanaiitisivivere0essc))olrwwunhhsniiitccehhandtssahhatooilouulnladdsopbbfeeecthtiimsemoppeflvleeatmmlhueeeannRttetPeed-ddraaaletttectrtohnhmeeamtiSSeviin.ttee.d.e(ToTdrhheeecvoppamuluurrbappitnooeassdteeiaooohnffempoparfetrepivavaereliunpagtaeaadccoronnciceeppnltiuagall d(oRoePrrs-.iccrgooenmmcibobsimitnnomaaeittnliiloduonesn)tdriiannetvessauualffluTflaiicactiiseeepdnngttacldtdseeetrtoaamfii~tll ihftvoeoeRec(nnPoaar-bbrlceleeocmottbhmhieenmaM MtePinPodCCne)AAd. eCvoamlmuiastesdioanlteerrnoatifvuelly evalua CTohme mcoinsscieopnteu~altodet~saillgynefvoarltuhaete the the RPRRt-h_PetP-eer-elrceceocomonmemnmmtmesenenlndiddeseetdddedeeebvvveaaallllouuuwiaa~:ttteeeddd alemative alternative alternative (or(or (or combination) combination). combination) shelThe shali include, but notbe limied c.oneeptual designfor the include,.bul not be limi*ed to, to, the earaleeccsmoponoencnnecstpseelflpauicsatttleippdollnabacnneolovvmiwipexeo:;wn,,eddnrrtaasww;iinngg oofl~tthhe oovveerraallll siittee,, sshhoowwiinngg, ggeonneerraall.llooecaattloionn.ss ffoorr ccrcoeoonsnmcpcpeo.opennptsetuetn,aaatllcsllttaiaooyyonoubutcestossm({tpppalollaanlnneednaan,tnsdd;orccarrcoatssissossneescctttoiioonnbaaell ivvmiipeelwwessmewwnhhteeerrdee; required) required} for for the th~ individual individual *~ c4ccgoodnnemccscepcpprott}in.up,emtanilltosddneetoossfiibgtgenynpmccerrssiittccaorrlfiileaeaqdaau,.nnioddp, mrraaeacttntiiiotoonnnraasellqeetu;o;irbeed,imipnclelmudeinnlgeadp; proximate capacity, size, ind terialsof consruction; a descriplion of t.~pes of eqt, ipmen! required, including approximale capacily, size, and pppmrrraoootccceeeersssisasslsflllooowfwcssohhneeesetttrssu,,ctiiinnoccnllu;uddiinngg cchheemmiiccaall ccoonnssuummpptliioonncessitimmaarteess aanndd aap ddeessccrriippftiidonno'offlthhee process~ 22330011..00002222 STATE02339072 STATE_02339072 A: : , aaadnnesoocppreeirrpaatttiioiononanlofdndeeisscqcrruiippettiiosontnmo6cfpftprrroaolceeecssossncuuennpiittsss oofrororotcthhoemerprcoconoemmnptopsno;ennetnsts;; o aa ddeessccrriippttiioonn ooffopuenriqauteiosntruacndtumrailcnoenncaenpctsetrberqcuoirmepmeonntesn;ts; . a description of operation and maintenance requirementS; asidgihsctuosfswiaonyofrepqoutiernetmieanltcso;nsruction problems; a discussion of potential construction problems; arigdbdt-oonf-swaenygrienqeueirreinmgednatst;. adddiisticounsfsliloennogfipneeremriintgsdtahtaat rraeerqqeuuriirreeeqdduttioorrpropouccreeseeudadnwwtifitothhenddveeissriiggonnn;m.ental and other sates, ua ldeisscuasnsdiornegoulfapteiormns.its that are required pm:suant to environmental and other statutes riiamunmlnppeulslae~,lmmaeOnendnttaMIatetigieoucnntoasccttJoooscstnststee;issmttaiimtmeaastt,ee;; .., o arnemneudailaOl &acMtiocnodsitscmsatinmtlaitcnsg;cost; and rcesmimeadtiaeldaicmtipolnemdeinstmatainotlninscghecodustl;ea.nd estimated implementation schedule.. IV. "MMPPCCAAC. COOMMMaIMSISSSIIOON1VEERRAACCTTIIOONNSS ~. : : IVA. 'EEsMsttPaaCbbAlliisCshohmmmmeeinnsttsoiofofSniSetirteesS.ShpapelceicafifsiiccseRRseesdsppaooannsasseeiAAcccyttioaornneOOobbbjtjeaecictntieivvdeetsshraaonnuddghCClileemapanlneuumppenLLteeavvteeillossn. TTofhhheee > M RRtIh.IeP. CWSWuhAheee-Cnnpoessmcuuiffmfffiiiccsciseerinnoe':inspeddoraanttsasaheaeexlaxlicisstattis,,ostnethhsoeesbjdMMeaP~cPtaCCiaAvAsestCChaooenmymdmamicrlseisessoaiibnooutnanpeienrleessdvhheaaltllhslrsosfpopureegccthiihffyeiy-mcaaopnnmlddeammnnieonontaitifanyttisotth,hnee RP of of the R.P of eteIhnnhevveiiSrrSo~otntnecmm--essepnpneietccaaiillffiicmmceredeodisbipaaeocoontffisevoc.eonasn~cctaeienomrdnn,,coaalbnnejddaenceeutxxipvppeloosessvuuaernrleesdpphcaaaletilhallwnvbuaaepyyssdleeaatvsseessrloosmcciita'anoitereeddtdhuevwsiciitn~hgonthAhteaRemASSiKiin~Sace~,. tsh, e ' TM""CaChoreomcmpShip~l2itlea7a-t,tsiipoo1en9nc9ioo1ffl,fcGGAorruboos_uulcennhcddtmiveW\eVnsetaatrc1n,rdtRRhucleulgselMeasnPuasCpnnAddleRRRveicegs~luskul-lsaaBhttaaiisololennbdsseSM MidtPePetCCeEmAAva~lSSiniuueappdtecirruoffnsuuinnnMddgaPnP.r~u.roaog~,l~agnRa_m~s,a,,"'tlhddeaarteedd M ((aaanvvadaaricidllhaoabcb2]ui7~cm;eoo1nnn9t9tteh1hdee; cAMMatPPteaCCcsAAhumdwweesenbbl.lsi,TithteeheeaatMtMbhPPttpCCpA:Ai!wwCRonxim~ssmkvpi-.Bpsecsasais_eossdntaaetStreei.tmwetinnlEluvusapsihcoilmueetlatyeinoautnnI-hu~Mp/rrRiaisPnksoukbafbalasteshedeodocSc_iheht-mn)l),~ and documented case studies. The MPCA Commissioner sRpIecRiefpiocrrtesponse action objectives and cleanup levels no specific response action objectives and cleanup levels no later than the spproval ofthe wilt notify the RP of the Site- later than the approval of the RI Report. VB. ]V.B. RrReeepvovriiteesww,oooofftSShuuebbmrmitdiutotacalulsms.enTTtrhseeR(RsPPubmssihhatalillallsssui)bbrmmeiqiltuitforoettdhheebyMMtPPiCCsAAExChCioobmirtmn.imsiTsshmieoonnreeerrvialelllwwwoonordrkkappppllaarnnosvs,a,l, ormmefoopdtdoihfirefitisccR,aaFtotiirRooonAn,t,hooGerrrivrdreeoejncceucttmtihieooennnMtooPsffC(sssAuubbbmmpmiriiedttfttaaaellrssse)nsscrhheeaaqllfluoibbrreeeidiminnpblaayeccmtccheooinrrstddEiaannnxgchceeirb,ewwisti.ipthoThnhthsheeiisrsaecSvSteieieccowttniisooannnndaaannnaddppPParaorrtvt aIIVlV, : of the RFRA. Given the MPCA preference for implementing response actions ~n an epoxipnetdideunrtmmgehre,KUEthSe. MPCA Commissioner nay ques implementation ofan IRA expedient manner the MPCA Commissioner ma) request implemcmation of an IRA at at nyany point during the RUFS. VB. A"~wEitphpromvoapslbofofrcfaRRtVIoo/EFnSSsWvW aonrodarokkrPPlllaanrn.e.quTTehhseet MMfoPPeCCadAAdiCCtooomnmmamilsifssosirioomnnaeetrrissohhanal,llol rreevveiiieecwwctaatnrhdde aaRpppUprrSoovveeW,,oaprprkporosvee Pwliatnh. mMooddiiffiiccaattioionnssabnydt/ohreaMrPeqCuAestCofomrmaidsdsiitoionnearl re ina. information, or reject the RFlcS Work Plan. Modifications by the MPCA Commissioner are final. .. aIIfdttdheietM MioPPnCCiAAnfCCoor~mmmamtimisoisns,isiotonhneeerrCoaampppmpriroosvvseeissonttheheerRRwi1lU/lF:SS 1W W) asorprkkecPPlliaannhewwiidlhhefiacrrieeeqqnuuciiireresemmienennttthet0oR.ppFrrooSvviiddWeeork dPaPedllfaadinnictiittohehnanatctailnneecisnccefeso3ss)rsimtsttpaaaettteecioittnfhhy,eetthncheeeedCmdaofnfmoonrrrenaariddsdsidiniiottwiinoohennirsac]wlhiftrleloh:freo1mrR)maItsapitsioehocnanli,;l~22dt))ohppecrrudoomevvfieiiddnceeiteddoniicroceietechsttieooirnnnwtihttsooeeaaRcddoUddnrrFeveSsesssyWttthhoheerek rdaaededqdfuidicetiiosoetnnnecasdileasifnd;ofdr3om)ormanstpsaiet!oiconinmf;yf; oatarhnsmeddamn44o))annss.ppneeeccriififnyy the me frame for which the RP shall the time frame for Submision or conesance of he documem o~ otherwise convey the submission or convey:race of lhe rcqucslcd addnmnal mfovmat~on. 22330011..00002233 STATE 02339073 STATE_02339073 A. -A-17- ItIfhhethedeefMMicPPiCCenAAcieCCsoomimmnimthsiessisRiooUnnFeerSr rrWeeojjeercckttssPttlhhaeenRRtUFhaFFtSSneWWcoeosrrskkitPPaltlaaennt,,httehhrceeCCjeomcstiii~aomnn;siss2si)ioopnnrecorrvwWildliel:l:di11r))escs]pt)ieeoccniiffy0y. catahdodedndrvdreeeesysfssicttthihheeeenicddneieefffsioiccrmimieeannttchciieioeensRs;;nFe33Fc))SesssppWseeaccroiiyrffkyytoP;ttclhhaoeenrmmratehacnnatntnetiehmrreciidnneesfwwsihihctiaiiccetenhhctittlg~ehesee;rRReaPjPnesdcshtha4ioal)lnlls;pdd2eooc)~cip:ufurmymoevtenhintedtoeotrirdomitoerhethcefefrriarwowminei.sstee0 for submission o conveyance ofthe revised convey the information necessary to correct for snbmission or conveyance of the.rex)ised RUFS Work Plan, the deficiencies; and R.UFS Work Plan_ 4) specify the time frame AuAsnstppeaarrr.t coooffnsrreievdviei.reeawwtiiinnoggn ttahheenRRpUIo!FFsSiSbW WleoortrkekcPPhlnlaaonnl,,ogtthhyeetMMypPPesCCtAAhaCCtooamrrumencinlsiessasirioolnyneenrrosw~ivflilellaseeillibimlmeiinnoaarettleeeffcrrotomimve ccftuooenrcntshhsinieddorelerconiognnynggstittdyhhpeeeersaRRtaeeionmmndeepdadrnyyoycSSeepeslolseesoccstptiiibtoolinenon~CCsrericitthteeonrrobiiaaleo((gaPPynaaarrtltytypI1zVeVes-d.CCt.hi.))a,,ttaahannerddeDdmmeevaaaeyyrlloidydpeemnneontntifytfyeaaoonsttidhhbeelSrreepprooocrsessesnifiibfbnellgcee~oiif,e Response Action technology types Respons.e Action Alternatives chapte (Part TLE) ofthe RI Report. and process' options to be analyzed in the Development Alternatives chapter (Part III.E.3) of the R1 Report. " and Screening of WB2 IV.B.2o cSSioittmeemsseeecncuutrriiottnyy haanne.ddSssiaatffeeetSlyyecaaurrreittthyheearnredesspSpoaofnnesstiibybiiPllilttayynoofbtfuththeewiRRlPlP.n. eTTihhtheeeMM r PaPpCCprAAovCCeoomnlrmomir~sdsiisissoiaonpnpeerrrommvaeayyt.hat pRpclolaaFmnn.S.mW WeWin.otitthrhoikinnn Pttthlenaenn(S,(11it0t0eh))eSddReaaPcyyusssrhoiotafyfllnnaoonittdiimffpiiScclaaaeftteimiotoeynnnoPoftlhfatnthhSeebiuM tMtePwPSCCeilcAAlunrCCieotiotymhmmaeimnrsdasispiSsopaifonreoentvreye'r'ssPnloaaapprp,pdrriotosavvakapaillpnorgofofvitntehthoeethat. account the commentsof the MPCA Commissioner RI!FS Work Plan, the RP shall implement the Site Security account the comments of the MPCA Commissioner. an~{ Safety Plan, taking into ~wAipptprhroovvaaoaldtiofofcfatththieeoPRndsI aRRneedpplooorrrst. TThrheeequMMesPP!CCoAAr aCCdoodmimmtiimosnissasiliooinnneferorrssmhhaatalillonrrc,e'~ov:ireewwejaaenncddt aatpphpeprrRooJvveeR,,epaaopprpptr.roovvee `Modifications by the MPCA Commissioner are final with modifications and/or a.request t'or additional information, Modifications by the MPCA Con~nissioner are final. or rejcc{ thc RI Report. Ii1fnttfhhoreemaMMtPiPoCCn,AAtCChoeormCmmmoimissisiioosnnieesroaanppppwrrioolvv:eess1)tthhseepeRRcIIifRRyeeptpohorerttdweiwftiihtchieanrcreeiqequsuiinrreemtmheeenntRtIotoReppprrooorvvtiiddheeaaatdd&dittionnsall dnnineeefcfcioeecsrsismseiintatcataiittoeeens;tt,hhtee3h)ennseeCip~edodcniffnfo6nyrr~taashddsedmdimitntaiicroorinnnaxae'llvsitiiln:innff1oow)rrhmsmipaacctichi~ootntn~,h;,2et2)lRi)cPppsdrrhcooafvvliiiclddieeednoddcicimrrueesmccettmiinootntnhoet1ro0PoaadtddhddRerrereepwssisossrtttehhteechoatney the radadededqdfiuiitcetiiisoeotnnneacadlileaiisdnn;dff.io3ot}rrimmsoapnataetilicooinfnf;oy;raamthannteddimo44n)).anssppneeeccrii@ifny wtthhheei:cttihimmteeheffrrRaamPmeeshffaoolrl submission or conveyanceof th document or otherwise convey the submissio~q or conveyance of the requested additional formation. ' Idtte"hftiheceieMMnPcPiCCesAAinCCotomhmemimRsIissiRsieoopnnoeerrrtrretejhjeaecttcstnsetcthehesesiRRtIIatRReeeptpohorerttr,,ejtthehecetCCiooonm;mmi2m)sispsisriooovnnieedsre wwdiiillrlle-ct11)i)sopsnpe1ec0ciiaffydyrttehhsees the dddfeeeofffriiicccmiiiaeeetnnnciccioiieeensss.;nine33)s)tehssspepseeaRccriIiyfyyRteotthphceeoormmrtaetarchnitanntetenrhreeiicnndeewwsfshihiictiaicctehhencttthhiheese;RRreaPPjnedsschhta4ialo)lllns;ddpooe2ccs)uuipmmyreotenvhntietdooetrridmooietrthehfceerrtriawwominiesseetfooccroaodnndvvreeeyysstthhteehe submission or conveyance of threvised RI Report informi~tion necessary, to corrcc! the .dcficicncies; and submission or conveyance of the re.vised R! Report. 4) specify the timc frame for IIVV.BB2.22.a.. EvEavlaulautaitioonnoofftthheeRReessppoonnsseeAActctiioonn AAlltteermnaattiivveess a"TcThtheieoMMn PPalCCtAAemCCaotomimmvsimspissrsieiosonenneetrredsshhiaanllllt,haaess'Dpperavrtetolofofrpremevevinieetwwaiinnndgg StthcheerePReJdniRRneegpopoofrrtRt,,eseevvpaaollnuusaateteeAttchhteeirroeenssppoonnssee aAaAclclttttiieeoorrnnnnaaaattlliittvveeeerrnssnaacctthhiivavapeeptstfeeprrrro((emPPsaaefrrnuttrtetILIhdEIe..riEn3c.)3ot.h)n.esiItDndneeddrveaeetteelirorommpnim,innteiihnnnetggMawwnPhdheCetStAhhceerrCeroetmnocmileniilgsimmositii'nRnoanaette~cerpaaowippnlaaslrerttdiiAcectuucleltaiarosrmnirrenesseppoonnssee. eswawsppvhcheateeicelctoituihnhffaeiieteraeredlddttiehffharoaotlnrtriataaetthlhimlvtleeaeeetrSrSinimfivtaartee.ottsii.mvvIIeennfmmuaabrppeeetphpeaeretrsdoordvtvtcrhihioennensggrsrseeeittdhssdhpeeepirooRRannnItIssitRoeehReenpcaa,pocDcttrmthAiitoe~oRnntMthhooebePbjCjMMeecAcPtPtiiCCCvvAAeeossmCCaamononmdndismmsccii~llsoeiesnsaaisenniorou!u.nnpwpecir~llleelvvwwdeeilielllssltle((ssrPPmppaaeericrctntiieff.IIyyVV.tt~AhhA)ee) evaluated alternatives to be addressed in the D~MR. .. 22330011..00002244 STSATATTEE0_203233399007744 ats . WVB3. IV.B.3. ApASppprp_ropovrovavelaltoofhfFFm.edsaisicbssiltitbiyoSSnitsuddlayRnResdpeoopyroratrt..rTeTqhhueeesMMt PfPoCCr AAdiCCiooommnmaimslissfsiiooornnmeearrtssihhoaalnlll,rreoevviireeewjwecantndhdeaappFppSrroovvee,, Report. Modifications by the MPCA approve with modifications andlor a Report. Modifications-by the MPCA Commissioner ar fl request for additional information, Cormnissioner are final. or reject the FS ' liifnhtfhoeermM MatPiPoCcnAA, hCCeoommCmomimsimssisiisoonineoernr eaasppppirrloolvv:eess1)ttshhpeeeFcFiSSfRRyeeptphooerrtdtfwwiiiithohnacrreeeqqsuuiiirnreetmmheeennFttS0toKeppprrooorvvtiiddteehaaatddddiittiioonnasl" innefcoe.srsmitaatitoent,htehencCeomfmorifssoiromneartwioilnt:n1e)cesspseacrifyyftohceodmeefeitcitehnecdieefsiicniethneciFeSs R2)epporortvithdaet or olherise convey the addons formation 3nd 3) speci th ie frame for ubmision dndiierrceeeccsttsiioiotnnattteootaahddeddnrreeesesssd ttfhhoeer ddineefffioiccriimeennacctiiioeenss;;n33e))cessppsseeacciriyffyyIotthhceeommrraaenncntneetrhreiinndewwfhihcii.cciehhnctthhieees;RR2PP)ssphhraaolllvl idddooeccuummeenntt oror or conveyanceaf he revised FS Report, otherw)ise convey'the a~tditional information; c6nvcvance of the revised F~ Report. - and 4) specify the time frame forsubmission dI1fe6fthi1ceiMMenIcPiCCeAsAinCCootmmhmimFsSissisRioeonpneeorrrrreetjjheeatccttess cttheheessFFrSSaRReeeptpohroetr,te, ctththeeioCCnoo:mmm2im)sispsisriooovnnieedrre wwdivilllcl:ti11))osnsppe0ecciiaffdyydrtthheeess tiidihhleeeefiiddceneiffefiionecrciimiqceannstcciiiioenesns.t,;hn33ee))cF'sesSppseeeRccaieiyffpyyotorthhtceethommaratanennnenehcereresiisnndietwwafithheciiicctehhhnechtihreeeesj,eRRc1aPt~ionssnhh4ad;a)ll2lls)ddppeoorcccoiuuvfmmiydeetennhtedt ioomrrreecootttihhofeenrrrawwtmoiiessaeefdccdooornenvs'~eseyy. stheuinbformmiaotiroscnosnnveiecyesaosnacnrey toofctohrrercetvithseeddFeSficRieepnocrite.s; and 4) specify the time frame for submission or coiaveyance of the revised FS Report. ]IVVC.C.. hRReeemmPeeUddByyICSSeheleleaelccttthiio,onnweCClrraitrteee,riiana.dTThhtheee'ppeuunrrvppioorssoeenomofefniitmmpbplyleempmreeennvtetiinnntgignaagnn,yymeresisppoonnnssiee smaocctriiioocnnzimfissii1ntoanirpnrgoogttechctte lhe public Pirtcceeto)n relcasc(~), hooorefraptttluturbh-lc,awiacctecelnhfecadadrletcr,hcl,laeanwasdeslecft(sha)er)ee,oonffavhhniaardozzntaarrmhddeooenuumtssvbscsyuhobpansrnteeacveneencnset5s,i:nghpp,eootlmlluliatnacainhnmittseisz,v,ieonodrg ccboyoornmieolamlmimpmilnieinanmanaenttntissnt.igntghe3 pekPerrnoomatesaacanlnifeeoonnnrt aorrnefemnpmeueesdbdiylycictffoeorltadrhetauhlersb,SSoifitwtaee.e.llfAAananren;p~dmalnaepdnImedetmhmneetnretenedsvd~rrreroememmseeonddueyrynctiiesissccpboonenasssticiddaeeecrrhdeeidedbvpypeedet~rbeaymncieeomm,npalwewmmhhieenennnlmis~'~ a 2naanlol,dot~~hveeesxxrcfcoteerpeptunFfaonroerdst~~mhhieecpptmeuudr~puaoossseeeoeoofxffcca~hlateatalnatgmneederonaf,tn,dtdhdeonocaeclssournnnMaootmt irraenesvavoonoutllrvscvee1srreimtmohopevaaracltceoordffitbrthhyoeenlmccheooennnctttoaaafmmllitianmnmaeandnitnitssa.n1ml0s . another site and mimmizes exchange of the comaminanls to other environmental media. Raefier thenMPpCeAsogueidsanncee doscumepnt oen re,medy9s8e.l2ec0t0ion, located on the MPCA web Refer Io the MPCA guidance document on remedy ~election, located on the MPCA web ssiitte at htlp://~.pca_state.~_us/cleanfip/pubsIrem9 98.pdf TCTohheemuMMnPPiCCtAAy aCCcoocemmpmmtaiinsscsiesointoeorsnweweicir]ltl as3ppipllayltthhreeeffsoopllllooownwiianncggtitthornreesfshrhoolmldd,s, rbbaoallnaagnnacciincnggalccuriialteierdira saanntddems. community acceptance to select a final response action from amongst evaluaied alternatives. IVCIV.C.1. ThTuhhcrresesshhhooodllddrCCeorrietiseoroinno.nof.pEErsaoecvhhidrreeissnppgoonnossveeeraaaltltemrpanroatttiievceetoioorn eefvvoaarlltuuhaaetteepddubaallhiteecmrnhaeatatilivvteehssamnmudusswtt mmleeee,tt hthaeead he teeShnnhrveveirisrrmhooaonntmlmdveenectnrs.ti.itelTTrihhaoicinshcciorlefipveteerroritivoohienndirn1~es~sgrepiaootenvtseiefrattalhltheiprroreeonsstpeop.bcoojtnniesosceentiaafvccoettrisiootanhnneladplltcuerlbrmenlaaiacnttiuvhvpeeealooletrrvhehtlhasenedieedvwveaealmullfiaaeulreedad, paunrdstahnet a10lttehrenaEtisvteabwliilslhamcehntieovfeStihet rSepsepcoinfsiec aRcetsiopnonosbejeAccttivieosn aOnbdiccltevaensupnldevCellseiadneunptifLieevdelpsursuanl to the Establishment of Site Specific Response Action Qbjectives and Cleanup Levels " ' ((PPaarrtt IIVVA.'.A)~)oorr pprroovviiddeess ffoorr aa ppeerrmmaanncenni{ rreemmeeddyy.. - IV.C:2. _ IV.C.2. BrBaltaalcanniccioinnnggCoCfirpitueebrli.ai.cEEavvaahlluuhaattseendddaalwetmeerantlait,viveesasdtthhaatthtemmceeenetvtrtthohenemtthehrnretcshsshohaolldlldcbereiitecerviiaoolnnuaootffeoodvveuersraialnlllg the BaBparmaololtaanenndgcctiiitn0nhgnge CCoBr.arfiilpttaeeurnrbiicalaiicnlliigshstetCeeaddrltbbheeealalolo,wdwi.nWTTchdoh~nee's,euievdevae,arhalaou,MttaiteoetdnhdsoelMfeetntrehvmrianrtaiofitnivevmeesehtuphateatscthipparerloolcvvbiiiedrdceeeussvmattshhltueeaabnbteceesedststgbbs~aahiallnalaglnncctbheeee among the Bal.ancing Criteria in consideratiofi of the site specific circumstances shall be SilheFeosntgh fnlTscpohnesetbamecnteigosn.hseThse sBalnagnacing Crit are ed order ofpriory selected as the final response action. The Balancing Criteria arc listed iu order of priority with long-term effectiveness being >" LVonogiTetmEcfHffscitvveennecses the o Lon.~-Tcrm Effectiveness Ihe sbi mosl important ofan velaned hermative to mamas he desied _ Long-'te~Tn effectiveness is lhc abfl~ly of an evaluated alternative to maintain the desired eevremaonfarnecretmieodinesofpprobvicdehaeabtsh sondloenlg lear,n aenfdectihveencevsieo.mTmnehnet eovveenrttepeancat level of pro!ection ofpubhc health and welfare, and the environment over lime rrCPeeetmmrameenddacyyneeiinssstnnorotertmoffeeedaassilieibbslleep,aroeeovvxriaadllecutaoatetbeddsaosmaluhlmtlreaermnnlaotantu0gve-estpsetrrtmhohdatuet cfssfeiiseggcinntigiivffiimccfaaminnctsatllsyy. In the event a permanenl aEterEtheOhazianrIdoOusS, alter the hazardous "mobil, or volume throvgh ecamnt wil b prefered substances or pollutants or conlaminants to produce significant reductions in 16xicil)'; mobility, or voh,me through treatment will be preferred. 22330011..00002255 STATE 02339075 STATE_02339075 a9. -A-19- mI1ninaaidddmdiiitztiieoonnt,,ratthnhseefeaarbobilfiitcyl,onoofttfathmheienaaaltntetersmnaaftotiivnveotttohoeoorbbttcaaaiivnniaarnnodndm/ooerrntmmaalannmaaeggdeeiater,esaaitnmmdeemnnatirrneetssaiiiddnuuaallss,, ecmesosittnnaasbibimlldiie.issrzhhaeeetdditroarrn~ne;ssspfpeoornnsoseef action objectives snd cleanup lesels over re contaminants to anotlier environmental media, action objectives and cleanup levels over time shallbe 3 mojor and maintain shall 'be a major L"clmInohpnpelsleeitdmemeceehrnannaittbiacoiabnlli;liiatWnyd admiistcatie easilyof mplementingth eialoated aliersive The technical and administrative ahnadltlhee vcaornasbiidelrietdy;of goods and and the availability of goods and services needed to implement the evalused aliemtive feasibility of implementing the i~'baluated alterfiative services needed to implement the evaluated allernative * SsSIhhhhaoeollnrst-bh-ToTereetcrmomtmnosRRimidisseskkrssekds; that may be posed a5 a result of implementinga evaluated Tsialmhhtpecelrmnaeabamttoeivnrvtete-itessnrhhgmaallbllriibbtseekesccvootahnnlassitiitddmeeerdraeeyaddbeanenrdpdaowwtseeeedii,ghahisteeaddreaasgguaaliitnnosstf he ltalong-temben is implementing an evaluated the ultimate longoterm benefits of of * o"TimTnohtpealllceComCmooepsnslttessitneg that cost evaluated alternative; breakdownof implementation ofthe evaluated alana including . rTthheheesepppocrrnooosjmjeeepccatltceeettddieocccnooostdstssst mbooferfaenaantnkyiydnollgwoonsnghna-ogltfeleirmbmreplmmceoomonrsneiiinttdtooeairrtiienn{dgg~.,,nTooophpfeeertrhaaftetiiuoeovnnraaalcunnodadsttemmsdataiaionnltrttceeernnpnaalannUccceeve,e,haaeinnndcdluding anativo respond 0:3 tu response action dismantling shall ebleease sll lo be considered. The fcuotnusriedceorsetds itno trheipslaccvealthoeion alternative or respond to a future release shall also be considered in tillsevaluation. IVC. CcCvoosmmhmamtuuenmdttsyyheAAmccaccteeippvttaeannccee~ TThhee ddeeggrreeee ooffccoormrmmumnniittyy aacccceeppttaannccee sshhaalllbbeeddeettemrminineedd ffoorr ceaacchh evaluated alternative_ : IVD. IV.D. | "TThhee ccoommminuunniittyy sshhaallll bbee ccoonnssuulltt.eedd rreegguullaarrllyy iinn rreeggaarrdd ttoo tthhee rreessppoonnssee aaccttiioonn aalltteenmiaatti~vvees.s available for remecbston at the St. Lfots will be made t inform the community aboot the available tbr remediation at the Site. Efforts will bc made to reform thc conmqumt-,,, about the azarof the Site andthe advantages and disadvantages ofvarios approaches o hazards of the Site and the advantages and disadvantages of various approaches to remediation ad 0 gn sn understanding of the concerns nd preferencesof he community remediation and to gmn an understanding of the concerns and preferences of the commtmity "wilh egacd the ml remedyfo the St, The community' sce and response scion with regard to the final remedy for the Site; The community's concerns and response action preferences will be considers when the MPCA Commissioner sles a feeds. preferences will be considered when the MPCA Commissioner selects a remedy. Selection of Response Acton and RecordofDecision Selection of Response Action and Record of Decision - Tl"TehhceetMMiPoPnCCAAmaGCRooemrcarnomnirisdsisiooofnneDerercvwtisillilossnel(leeRctOt Dtth)he offrinnMalirreensspnpooennsseeDeaaccctttiisooinno((nss))Daaonncddumwweiilnlltdd(ooMccuDumDm)ee.nnt Ththhiiess sfFfieiinnllaaeellcftIRiLooalrnmannidhndeaFFSSRbaesRRcieeospprofdorotrrotstsf,h,D5asescsalippscippeorrinooovv(neeRddoOfbbDtyyh)etthoherefM iMMnPiPnCCrneAeAsspoCCotonaomsrDmenimeasccis~tsiissmooionnnnefcrDor,r,otwwchiueillml,S,eiwwneititia(hhM ntdthhDeewDiMMl)l.PPpTCCrhoAAeviSSd" iie~'cc' `htfhwieileell,iinefnoffnoromrrtmmatiahtueiohobnneansnsieescceeefossesrsaadtrrhyyev1tesoellasseusucptptipepodoonrrstOtttlhc~hetmhaddeetefvviineevallolo(poprrmemsceeponnomttnboosieffnattahthceeitioRKonnOOoDfDfeoAvriMM atDhlDeDua.DStietTTedhhaesenhdRRerOwOnDiaDllt/M iMperEDso)vDDitdoe ~bbaveepipliilemmindppdelleenedmtmietfeyonntatteehnddcd selectcd evaluated altgrnative (or combination bmyadheeaRnPinpeugrrsaulanpta0roEfxhtihebitREBRAto.he RFRA. bythe RP pursuant to Exhibit B to the RFRA. The ROD/MDD shal be of evaluated alternatives)to~ The ROD/MDD shall be appended to and made an integralpart of the RFRA. 22330011..00002266 STATE 02339076 STATE_02339076 + TEEaXXoHHfbICIBoBInlTItBeTBnets Table of Contents , "1 INTRODUCTION... - om INTRODUCTION ................................................. B- 1 III. RETAIN CONSULTANT RETAIN CONSULTANT ............. ee BB-aI . ............. ~ ............... IIIII RHRLEEAM.MEEDIDRA~DLL/RDDAEEPSSlIIaGnGNNS/uRRbEmEiSStPPtaOOlNNSSEE AACCTTIIOONN PLAN... PLAN ...................... BBB-ll1 Itl.A. RDiRA Plan Submittal.,...................................... HUB. MRDB/IRAPlRaenmCeodnitaelnDtsesi... Lo. LL III.B. RD?RA Plan Contents ....................................... BBBB--a2II WB2. III.B.1. III.B.2. RMMeeWonmLmtBeot2droiairain.lnggDPePlslaiagnnnFo.v..i..r..o..n..m.e..n..t.a.il...M.e.' .d...i..a..a..n.".d...A..n...s..l.y..t.i..c..a..l............... B2B-2 B-2 llI.B.2.a. B25. PEPMoanunrvaiirmtrooaenrtimmenregLLnFitiasascttlil.Mi.te.yd.i.La.o.acn.atd.i.Ao.n.n.as.nlyd.t.icD.ae.Is.i.g.n...... BBB-333 lIIMlIILI.B.BBB22..22c...cb... RSeaMSpmaoomprnlptiitlioinnnrgiggnSgSPcoaFhhaenecddiuluiitlyee, .L.o..c..a.t-i.o..n....an..d.e.vD.o.eso.i.vg.nv.n.Ln...oe.s aBBB-I33 ILC. Remedial DIeIsI,iBgn.2/.Rde.spon-RseepAocrttiinognPPllaann.p.l.e.m.e.n.t..a.t.i.o.n. ............ Ba III.C. Remedial Design/Response A~tion Plan Implementation .... " ......... ]LILDD.. RRAA IImmpplleemmeenntatattiioonn RReepboorrtl oo' o BB-d4 IV. RREPOE RTOOP NNCCOOMO MPLPLER ETTIIOONT NOOFF RRAA " Bs V. MPCACOMMISSIONER ACTIONS Bs VATMPCA V,A. `CACAoOppmpMpprrlooMevvtaIailSloSnooIffoOtlfhhNeeREARRRDRIAe/VRpCAoATrItPPOllaNann,S, RRAA IImmpplleemmeennttaattiioonn RReeppoortt',t, aaa nndd B-5 Bs Completion of R_A. Report .................................... ExhibiBt Exhibit B RREEM MEEDDIIAALL DDEESSIIGGNN AANNDD RREESSPPOONNSSEE AACcTTI'IoONN IIMMPPLLEEMMEENNTTAATTIIOONN I. INTRODUCTION INTRODUCTION PrPaearqrtuteILsIBtI.s.Bt.hooeffRttehhseepoRRneesqqiuubeelssett PffoaorrrtRRyee(ssRppPoo)nnstsoee pAAecctptiiioornne((3RRRFFeRRAmA)e),d,it1o)0 WwDhehisiccihhgntt/hhRiissesEEpxxhohinibsbieittAissctaapopppneenPndldeaednd., ru((eRRqDDu//nePRs,tAAs ctPPhlleaannR))FeoaasrnnppddornieimspmiabpprlllieeenmmPgeaentrnthtyte,RRR(eeRDssPppR)oonAtnosseepFlrAAeacpcntftii,arooednnssa pR((RlReeAAmsssen))deaainatttlttihhDneeegSSsiititgtheer.e~.RRTTAhehsisis,spoEEwnxhx~hihiecibbhiAittcbtesaieotvtens; bPffoeolarertnnht tthhee sree.lqeucitrecdmbcynttshefoM~ipn~neepsaodtnag PtohleluRtDio/nRCAonPtlraonl aAngdenimcypl(emPeCnAtin)g Cfiofme mRiAsss,iownheicrlp~urhsauvaenbtee0n PsPReoaIrlreRttcAIItV.eVd.DD.b.yooftfhEEe xMhxiibnintheAAsotittooattPhbheoellRRuiFtFiRoRtAnA,C, aoannnddtroiissl ahAppgppeeennncddyeedd(MttooPaaCnnAdd)mm'Caaoddmiemaannisiiannitoteenggerrraallpppuaarrsrtutoaofnfttththoee nw RETAIN CONSULTANT IL "TETxhhheiebiRRtPP. ssIhhaaltllhlerrReetPtaariinentaaaiccnoosnntsshuulltaasnnattmqqeuuacaloliinffsiiueelddt1ato0ntuunundsdeeerdrtta1akkeecoaamnnpddlecctooemmpEpllexettheeittohheenArr1ee0qquuhiirereemRmeFennRttAss,ooftfhtteh~ss RErRPexPhassimhhbaailtl.ll'dIppiIfrrtfooheccreeeeeenRtddIciiormmenmstmeauldieniidasainattthte,eellyyhsaewwmiiRttehhPcpposrrnheeasppulaalrrtraaaettntmiatoinnunsootefhfdteththcoeeocRnRosDmul/pRRalneAttePAlaElnaadxnnh..nIiIbfofitttihhAeettRRhoePPthMccehPhoRoCosFAseResspArtf,ooojthecet rmeatnaiangeardoifffetrheennt ecmoensouflttahnatt, ctohnesuRlPtasnhtalwtirtehtianintttheyc(o3n0s)udltaaynst aofndnontoftcifaytiIhoenoMfPaCpApropvraoljeocft mtthheaenFFaSSgeRRreeoppofortrthtebbynyattmhheee MPCA ot that MPCA Commissioner. consultant wtth~n Commissmner. thirty {30) days el nol~flcation of approvat of 22330011..00002277 STATE02339077 STATE_02339077 m. RREEM MEEDDIIAALL DDEESSIIGGNN//RREESSPPOONNSSEE AACCTTIIOONN PPLLAANN TEA. RRD/RAD PPilaannR SSuubbmmA iitttsa]l W `CoWmiitmhtiihnssnniiionnneeettyry,((99t00h)e) ddRaaPyyssshooafflnlontopirtfiefipiccaaartteiiooannndooffsuaabppmppirrtoovv1aa0llotohfefttMhheePFFCSSARRCeoepmompritbosbysyritothhtneeerMMPPfoCCrAAt:eview snd CapopmromvaislsaionReDrV, RthAe PRlPanshsahlilcph~ esphaalle baendbassuebdmoi!ntothethaepMprPoCveAd CRoU~FmSnrisespioorntesrafnrod trehveiReewcoarndd aooCfpofpmDDrmeoeicvcsiiasssliiiooaonnnRe((DRrRiOOuRDnDA)d)eoProrlraEnMMxhiwiinnbnhincitecsshaAotstsa(h0DaDeltlcehecibiseRsiibFooaRnnsAeDD.doooccnuummtheeennt~t p((MpMroDDvDDe)d) iRissUssuuFeeSdd by the MPCA reports and the by the MPCA Record Commissioner under ]Exhibit A to the RFtL~0 ULB. RD/RA PPllaann CCoonntteennttss "ThaTehnedappuumrroppnooissteeooroiffnt'tghheeplRRanDD/f/RoRrAAthPPellaaKnnsiisssttopoeppcrrioofviveiidddeenaadtedhteeataRiillOeeDdd /ddeeMssiDiggDnn,,haainnciihmm,ppluleepmmoenenntitamatptiilooennmessnccthhaeetddiuuollnee,,, wrwaienilldllelaappsrremoootofetncehittaottzhrhaieenrgppduoupbubllslaiinccsuhfhboeesratatlathtnhheceaaRsnn,Addpswwoeslelpllfueftracaerinfe,lt,esaadonnriddncttlhoahneeeteeaRnnmOvviiniDrraono/nMtnmsmD,eeanDntttv"ffr,rvrohofmimcohtmt,hhueetphrroeeenllSee~atasms.eeopolrermttNhecneataattteeionnnee,dd release of hazardous substances, pollutants or contaminants, at or from the Site. "TsTphheeeciRRfiDDe/diRRiAAn RPPOllaDan/ssMhhDaalDlll.sseettTffhooerrtRhtDim/RddAeettasPilllattnhheeshssatleelpsselnnueecdceeesssaasrsayertstoyoiaiitmmemppellneetmmoeefntntthttehheereSSsiitpteeanrrseeemmaeecddtyyion aosobpbmjejmeeccciittfimiivevu.deenssi,naannRtddhOeccDtlfeeo/aMalnlnnDoupwpDilnl.egevT:eehlses specified in he RODIMDD) RD/RA Plan shall include a specified in the ROD,q~[DD. The RIVRA Plans lest~tement of the The RD/RA Plan shal include, at ,esponse action shall inch,de, at a minimum, the following: DIBA Remedial Deon The purposeof the remedial design i 0 specify detailed methods and ime sisRccnehhmceeddeeuud,lmleeassl t]ffa)ooerrmstt~hhmnee.mmoTp~hl,peelmepmetnhnreetfpnoaotlatsltieiooowonnifnootgfhfetthChreleeemPRm~eAeands,tsisasslppedecemsi~ffgiiemedd ~misnIotthhseepRReOcOiDDeI'/MMdeDDtDaDi.le.dTTmhhiiessthsseeoccdttsiiooannndsshhalaillmll e oincludaddeepessl,iiaggannnt vaccirneirtw~emrdiiiarmaataunwnmidden,rgraloarhttiefiooitnfnahoalaelleleo;o;wveirnagllelSeimt,ensths:owing general locations for respanse action: o ca opmlapnonveienws;drawing of the ox:erall S~te, showing general locations for response action o rttceeeocssmhphnopmincocsanaelelnaaatcnnst;ddiooonppeierrnaacttiihooinnnaalgl ppplllaaannnssaaannndddceernnosggsmineseececrrtiiinnoggnaddleevssiiiggennwsss fffooorrriitmmhpeplldeemimevenintdtauattaiiolonncooofmftpthhoeenents " attroeodsbbepeesocnmirsnisesptttaaaillcoIletneiddoonfoorritshnaecctltiutiooydpnniensssgttooopflbbaceenqsunaminnpppdmllceecmnrnotnesinstctoesbded,ec;tieomnpallovyieedw,sifnocrluthdienigncdaipvaidciutayl,csoimze,porndents maadteersicarilpstioorncoonfstihrecttyipoens; of equipment to be employed, including capacity,, size, and " apnmarnaoo{tcep)epresiersaralatsftilioooornnwaacltsohdndeeesesttssrccu,rrciicptpittloiiuonond;nioonffgpprrpoorccoeecssessssuinmtaisltseoroiraatolhth(ee5:r,RRAAchcecmooimmcppaolononeernnsat:sc;tivated carbor) capcdoo~innosscscueuusmmsspsptfitliioooonwnnosrrfaahtpteeoesets,te,sn,aatnniinddaclaalucdddoeeinsnssccgtrrriipupperttotmiicoonennssoopfftmrthohabetcelrppe~rmraooslccea(esenss.s,dg;,r.cehspeemctiicvael or activated contingency carbon) plans; c aa sdcishceudsuslieonfoorfipmoptleenmtieanltcionngstthruecctoionnstpurcotbiloenmpshaasned;respective contingency plans; aa Ssicthee-dsupeleciffoicr ihmazpalermdoeunstiwnagsttheercaonsnpsotrruicattioionnpphlanse;(inecessary); ~ tahSeiitede-snptietcyiofifc ahlazcaorndiroaucstowrsa,stetrtarnasnpsoprtoerrtsa,tiooonthpleanr (piefrnsdocnessscaornyd)u;cting removal or rtraheedseseppsiocodnrneissnpeettitaaiyccottnoiioofonfnasslalaancttyotrniphsteeerraSSmctiittetoe.s;rso,r transporters,'or other persons conducting licensesrequiredto implement the RA; removal or oo aaddeessccrriippttiioonn oofftahneyppoesrtmRitAs oorpelricaetniosensarnedqumiariendtteonaimncpelepmroecnetdtuhreesRAan;d schedules, and = aaafdddfeeeslsscccrrrtiiihpppetttiiiroooennnqouoofiffrtaaehccmteteiinvvpitiottssmiotessfRPtAobeboreeptueun,rndadteSieroertnctaatkkiaoneendnrsmbbCyy.aitl|.nhhtee(cPnRRraPoPnjSsceccddtuuprrMriionancggneRdRauAAgreeiismmmepapnlnledetmmCse)c3en,hnt.etaadt(tuiiSoIoaennmsp;t(ol0ainndg Caafunn9ldd,fillI(lnnCvvthoceesmsttmlrggueaaqnntui~oitnorysne)ms,R),eelnCC.at.5st5.i.oof((nRsRP)eeaccrootofrrrdFdllx,RRhSeieteh!cccttaaittoAiiononston)C.)h..t2e1..8C8R.(.PF((rSSRoitjlAeeocaStSeteMcchuuaerrniyita~yg"peaaemnnteddfaiSSt)aat,ffoeeCttt.yyh3e.PPir(laaSennma)),om,vpaaalnnlidndogr response actions and operation and marniensnce acne. C.9. (CommtmiLy Relalinns) of Ez~hd~it A to ~lae RFRA as the3,' response actions and operalion and maintenance activities. pertain to the removal or 22330011..00002288 STATE02339078 STATE_02339078 MLB. IIi.B.2. MLB. lll.B.2.a. IllLl.BB..22b.b.. II !MIL.BB..22e. HLB2.0. HI.B.2.d. : RRAAMMonointiotorriinng~PPllaann.TThhee RRDDViRR~A PPllhann sshhaallll pprrooppoossee aann RRAAmmoonniittoorriinnggppllaannffoorrtthhee SSiicte.. TThhee popfuurrtpphoaessieeomopfflpepomosesttn--tRReAdA RiimAmspp.lleeTmmheenenttRaattAiioomnnonmmiootnhoirittioonrrgiinnp~glaiisns ttsoohaddlele,tteearrtmmaiinnmeeintthhieemusstmtar,tuucssoaannntddaieenfftffeehccettifivovelelnnoecwssissng, oimnfoothr~dedecirrmttpooleddmeetteeenrrmtmeiidnneeRAtthhsaa.tt TtthhheeeccRlleAeaannmuupopnllieetvoveerlilnssgsspppeelcaciniffiiseehddMii1nn, the ROD/MDD are achieved: at. a mimmum, contain the following the ROD/MDD are achieved: wEEanntvveirirr,oonsnmumernfetanactlaelwMM aeteedrdi,iaasaaenndiddmeAAnnntasla,yl~tbiiiccoaatlla,PPaaarnraadmmaeietrte)erraLLniissdatt. cTTohhreereeesnnpvvoiinrrdooinnnmmgeenlntsttaaollfmmaenedadiliaayt((esssoordt,,obggerroouunndd `monitoredshallbe proposed, along with theselection rationale, anad corresponding list water, surface water, sediments, biota, and air) anda corresponding lisI ofanalytes to be monitored shall be proposed, along with the selection ratmnale, and a corresponding lis{ oOff chemical analytical methodologies (including U.S. Environmental Protection Agencyor `cSShltaeanmnddiaacrraddl Method numbers and detection lint)tobe perforned. analytical methodologies (incl.uding U.S; Environmental Method numbers and detec{ion limits) to be performed.. Protection Agency or MIfVoacnloiinltiiottorenisnn/ggocFFaaatcicioillniisWtyshLLaoolclCaabtteiioopnnroaapnnoddseDDde.seisgi~n.. TThhee ddeessiiggnn aanndd.llooccaattiioonnooffaallll mmoonintiatorriinngg. tacilities/locations shall b.e proposed. Sampling Schedule. A sampling schedule for the analytical parameters proposend the RA monitoring plan for Samptin~ ScheduIe_ monitoring plan foi" aaAllll monitoring locations shall be proposed. Sampling shall, at 3 samplir~_g schedule for the anal~ical parameters proposed m monitoring Iodations ~shall be proposed. Sampling shall, at a the RA mmiinniimmuumm,, bbee ccoonndduucctteedd oonn aa qquuaarrtteerrllyy bbaassiiss.. RRsheeapplolorrbtmuenfpZgroPPpllaoansn.e.dAA. sTscchhheeeddsuuclhleeedffuoolrrerresephpaoorlrtltiianngg stthhm~eirrneeissumululttmsso,offcoolnontngag-it-nteorttnhmer mmfooolnlnioitwtoiornrgiin;ngg ttoo tthhee MMPPCCAA shall be proposed. The schedule shall, at a minimum, contain the following: 1. QuarterlyMonitoringReports. The RP shall submit quarterly analytical resus 0 the MPCA Commissioner. The reporting schedule shall comply with 1. ~uartcrlv Monitormu Re~orts. The RP shall submit quarterly MPCA Commissioner. The reporting schedule shall comply W~th Part LCofthe RFRA. analytical.re.stilts to the Pm-t II.C of the RFRA. 22M._PCAAAwnwnCuaoalmlmMMiosnosinitiootonrreiinrnguoRnReepooprrobtreetsf..orTTehhAeepRRriPPl ss1hh,aal2lll00ss8uu,bbmmainitdtcaaanncAAhnnnAnupuraailllMM1o*onnitiittccorqrc;aiifnnlggesRR.eepAponorrytt r~1eo0mttehhdeeial tMecPhCnAoloCgoymcmmpislsoiyocnderincnimoprlbemeefontreatAiopnr.iloft, t2h0e0R8,D/anRdAePalcahnAspharlill 1b~e tehfetreianftpelra.cAe nayndremedial operated by the RP until technology cmploycd i~ operated by the RP until the MPCA Commissioner authorizes the implementation.of the RD/RA Plan shall the IVIPCA Commissioner authorizes the RP in writing (0 be ]eft in place and RP in writing to . dddiiissscccooonnntttiiinnnuuueae,t,immoonoovvefe,t, hooefrrmmemooedddiiiffayylsstoemcoehonoromrlaoalgllleioeofsf tthihneetrrheeemmesedndiniaualalbttreeeccphhonnrootll,oogwgyhy.e. nTThhteeheRRcPPlemmaaanyyuprreelqqeuvueeelssstt set forth in the RODMDD have been achieved. The RP shall moveor modify the remedial discontinuation of the remedial technologies in the annual.report, when the cleanup levels forth in the ROD!MDD have been achieved,The RP shall move or modify the remedial set .tmteeaccyhhnnbooelltooeggryyawwchhheieennvetthhetehmemorovevmeeemmdeienantlt oaorcrtmmiooodnidofibifijcceaactttiiioovnnesss,, asaesstaafppopprrtrhoovvieenddthbbeyyRtthOheeD/MMMPPDCCDAA.CCoommmimssisisoionenre,r, may better achieve the remedial action objectives set forth in the ROD/MDD. `TThhee aAAnSninntueuaamllaM Mpoonsnihtitooowrriiinnngg aRR!eeppmooornrtlitsshoharalilllncgcoolnnottcaaaiitnniottnhhsee; ffoolllloowwiinngg:: o tahSeirteesmulatsposfhaolwipriagraamltetmeornaintoarliynsgeslofcoartitohnesp;revious year: tnethe the resultsofall resulls of all results of.all water level measurements parameter analyses for the water level measurements for the previous previous yca~; fo.r [he pre~,,ious yyeeaarr;i o rSreeuggriifooanncaaellwaaanntdderSSeiiltteeevssappteeiccoiniffsii;cc gg~rootumndd wwaattee~r ppiieezzoommeettrriicc mmaappssfofo~r: ceaacchh aaqquuiiffeerr iinncclluuddiinngg crosssections)indicating surface water elevations; cross section(s) indicating rreellaattiivvee ccomommunmicuationnbibeetctwweaeeenntaqaiuqiufoifeernrss;; . aa mmaapp ffoorr ceaacchh ssaammpplliinngg eevveenntt sshhoowwiinngg ceaacchh mmoonnititoorriinngg llooccaattiioonn wwiitthh ccoonnt.t.aamm'iinnaa'nntt . concentrations and isosoncentration lines for selected parameters; `cggeorrvaaneppncthhessntthaarnenadsdtieottanagbbsrllaeaepsnshdisilllialusunossdtctrroatantaticbinnleggenstttrhhsaehelaiccloolonnbncecleiencnnetutsrmraaufttloiiarootnsniesslveooe.vvcseteerhrdotm~wpmiaerneagumusspeiianinreggarsmda;eatitacarffraronomamlyeesaaeccshhfossraaammlppllliinngg eprveevniotus(lhycesacrgsraapshwselalnd5 tatbhleesresphoarltlibngc year), and curnul'ative'showing parame.te,r analyses for al! sampling plan for the nex: year with previous 3'ears as well ns the reportmg a sampling plan lbr the nexl year wHh aaynneiwaass)~sseeassnssmdmeenntl ooff hthee mono momtormg ppaarraamMCeIfc~erss,, `ssaammppltiinngg ffrreeqquueenncciieess,, aanndd tthhee nneeedd ffoorr tthhee aaddddiititoinooont ddeelleettiioonn ooff mmoonmittoorriinngg tlooccaatuioonnss aanndd ppaarrammenteetrcsr.s. 22330011..00002299 SSTTAATTEE0_202333399007799 MC. RDRA Pla Implementation . III.C. RD/RA Plan Implementation W WRiPtithshihiannlltthhniir~atyyt((e3300t))hddeaaRyyAss.oofTfththheeepMMurPPpCCosAAeoCiSfo0mRmmAimssimsipsoilnoeenrmereanapptpptrrioovo,a)naltooftftothhteeakRReDDt/h/RoRsAAe appclltain,o,nttshheethat wil pOpRrfrPoohttsaeehszctatallpdpuuoibnbulilstiiiccastuhheebeastahltltteahhn'Rca~eAinnsd.doTwwrheepelo~llp'alu,ruert,paoanastnnesddootthhfeeRcocAeamnvvaiimimrroiponnlnemmnmetenesnt.nt,a,tafftroriooromnmfittoshhmeetorrtethaleekeaSesi.etelh.ooorreshetheaaracetaiistoeennneseddtharretllewesaislslee of hazardous substances or pollutants or contaminants at or from the Site. TiTmhhpeelRRemIDe//nRRtAAedPPillnaanna,,ccaaosrapdparpnrcooevveweditodohrtmmheoobdtiiifmileeedscbbhyyetdthhueleeMMsPsPeCCt AAoCChoomnmmimPsisasistioo1nneerorfshhathalelll RbbeFe RA snd iPPlmalarrptatlpeI1pIm1lI3.ieB.cn.atbeoolfdftehtihfnieissdaecEErcxaolbhridaiban.ind:.csTTehahweeeitiiAhmmRptpAhlleeRemmstei,mennteatanatsticioohlnneodcooauflfleRRlsaAAssse,tsshhlfaoaelrllstlh,bbeienreccPgoouannlrddatutuIciclotltneeosdd,f iitanhnneadacc~occGroo~drrrRiddnAaaannnacccneeedswv.iitthh all applicable federal and state AKARs, at~d local laws, rules, regulations, and ordinances. aDDduudsriiitnniggoniismmappnlldeelmmoerenntrtaaettiivooninosofif1tohhetenhsRReDDR//DRR/AARPPAllaaPnl,,a:itheeasMMthPPeCCCAAomCCmooimsmmsmiiosisniseaironncdeeeremmmasayynessppcecescsiisfafyyryssuutccohh protect public health and olor, nd he environment additions and/or revisions to the RD/ILA Plan' as the Conunissioner protect public heaIth and welfare, and the environment. deems necessa.ry' to MLD. RA Implementation Report RA Implementation Report aW WpipittrhhoiinvnsesidixxRt~yD/((6R60A)) ddPalaayynss,ooaff RthheAe ccmoopmmlpeplmleestniiotonantooiffoniimmRppellpeeommreetnntwtaahttiiioconhn iooffntthhceelRRAAts~hessppfeeoclciliffoiiweeiddn~gnintcthlheeement FapalplrobveedsuRbDm/iRtAedPtloant,hea MPCA Commissioner RA Implementation Report which *includes the following elements, shall b~ submitted to the MPCA Commiss~onct : htthheee ddfaaottaolaolnnoddwrreasecusthisosnsoa,ffttihhfeeanRRy,AAfoiimmbppelleetmmaekeennnttaaittniiotonne; followingone-yearperiod; aanflc~dceeerfJcoafo]iiflmoicpcwalaetatiutooepnndathhcnataittoanacasllc~llowwri_doorararnkkncyepp, lltawaonintsb,h,essttppoheeekcceRinfcIicaiVnatRtitihAooenn,Ps'f,aoanlnlnoddawssianccphghpeeodrdnuoulevlee-eyssdehhoaaarrvvme!egbdebreeiionedfn;iiimebmpypdlleehmmeeernitecdd M aMdniFsPdcCCucAsAosmiCCopoonlmoemmtfemidisissisniciooannceeceror;srdaenncceo with the untered [~.D/RA Plan duringth im as approved or modified by plementation ht may ales the andor ldip mmisipcnauaisrtsoa oieorr,noofoothrhfei emrdrivwiinffsiisiemceiurzrleteeiddeuhuscceeeenrttcehholeeueeensfftefeocererectdtiirvdveeunnsrcetisnsessgnooe'tfhfdethheieemRtpLAlAs emoiimmefpnphsltlaaeeztmmieoerennendtotatahuttasiitoosnnmubatfosoytppaarrlneetcevvereesnnatont,,rd/or ppoeplooiellmrlluaiattnainanottnetssa, looorrrorc9momoinanntiiasmnmmtizezaennnaattnnt~tc,ese,reaaatcletooairrsoenffrsroooormmthmtthraheeieanSStte1iant6iee,n,dootrrrheewwleehhafiiseccechhiomwvfaeahnyyaezrrsaesreqduoqofiauruesnuwsyunoabafnnsttiat!hcnceicppeassteoddr aoiimpmdepprlileaemtsmioeecnnna.tutleesddoorif!RLmaao~sn.asn,iy;naalnennenddcaensscaeraycmtioodnisfitocamtiaoinnstfitinotthhee effectiveness operation and of any of the maimenance prosedures aSsdpispcruossvieodn of any necessa~ modifications to the operationand maintenance procedures as approved.. IV. REPORTON COMPLETION OF RA IV, REPORT ON COMPLETION OF RA W RWeiislthphioinnnssseiixsAtytct((i66o00n)) OddbaajyyessctooiffvnneoostiiaffinicdcaCatlmteona,,nbbuyypLttheheeveM MlPsPCC(AEAxhCCiobomimtmimAsissisPoaiorntneerIr,V, thAha)atht aaallvll eSSiitbteee--essnppeemcceiitffii,cc.3. Response Adtion Objectivbs and Cleanup Levels RheepoMrPt ConACoCmopmlmeitsisoinonoefrRA, which includes the Report on Completion of RA, which includes the following elements sbhesuabmilted (Exhibit A; Part IV.A.) have been met, followin.g elements', shall be submitted 0a to the MPCA Commissioner. summary otfh responseaction abjctvesandcleanup levels aanhisdtory of how they summary of th~ response action ohjcctives and clean_up levels and a t?istory.of how they cd\cvaeoerrcrnt~utffmilleclc~naaetttt~iaiootnniotthnhat(te.aalll RRmi~ossnihhaaovvenenbgbeeeewnnelpprrsooeppaeelrrillnyyg ddriiesscmmoraadnnslt)eledd,, including including supporting supporting adoscu~mmmcanrtyaotmfnan(ye.go.:ngmooinngitmorsinugtiwoenllasleacloinntgrorlesco(er.dg;s)d; eed resricnons); ial cost summa~, [qnal cost summary of any oogoing summary ms~ituhonal consols (e.g.; deed restrictions); 22330011..00003300 STATE 02339080 STATE_02339080 v. M MEPCCAA CCOOMMMMIISSSSIIOONNEERR AACCTTIIOONNSS The RP shall submit 10 he MPCA Conimissioner all plans, repoorrttshe,r documents a(T(ssnhuudebblmmRoiaiPtrtttasarhllesa)q)lulrreeessquqtuubfiimorrreeitddatdbbodyyitthttihehoiinsM saEElPxxhCiihnAbifibotirC.tm.oaTmTtihhmoeenir,rseesovivroiienreweewjraeaacnnltdldipoaanlppaoppnfrrsoo,bvvraaelilp,,oaatrpptspps,rrooovrvsaaholaltlhwwleiirbttehhdomimcooudaidmcficefioincrctadastatiinoocnness. and/or a request for additional mfo~mation, ol rejection of submittals ~hall bc in accol dance rweiqtuhirtevsMsPcCetAionCoarnidsPsairtonIeVsofaphperoRvaFlRA. TheSiteSafety and Security Plan does 01 with this section and Part IV of the RF,RA. The Site Safety and Security Plan does not require MPCA Commissloner appmyal. VA AACpoopmprprolovevatailloOOnfOf TFThhReeARRID/!RRAA Plan. Plan, RA RA Implementation Implementation Report, Reporl~ And And Report Report OnOn,. C0mpletion 0 f bL~k "The MPCA Coamumsioner shal view and approve, approvewith modifications andioar rraTeenhqqdeuueteMshstetPffRCooeArrpaoaCdrddto&tmotii.noomnnC~aaosllms~prfoelonferoetrmrimasothaniatlioolofnnr,eR,vooAirrewbreeajjseaeecncdtdt ottahhnpeeptRRrhoeDDvr//eReR,qAAaupiPPprlrelaaomnnve,,entRRwsAAoifthlIPmmampptollesdemimf1eiecnnBaii,taailoiinoIosnnDaRR,needpepo/noordrrtt,,a IV respectively. Modifications and the Report on Completmn Pv' respectively. Modificatmns by the MPCA Commisioncs ac ofRA based on ihe requirements by the MPCA Commissioner arc finalof Parts final. III.B, Ill.D, and - Ifthe MPCA Commissioner approves the RDIRA Plan, RA Implementation Repor, or the CIRRfoeetmpphomoerirtsM t sooPi~nCoCCnAoe~m:mCpwlopiemllet:tmiiooi1nns)ssoopioffenRRseAAriyawwpitp~thrthhovdaaeerrfseeitqqchuiueeiirneRecmmiDneee/sRnnittAntttooPhlppearrnRoo,IvvRiiYddAReeAaIamddPddlpiiatltneii,omonnResan)A!tiianIntifmfooponrrlmmeRamateetiipnootonnar.,tt,ithhooeernthe RCeopmormt,isosriotnheerRwepilol:rt1)onspCecoifmy pthleedteofificoiReAnncitehsatmnetcheessRiDtaitReAthPelanne,cdRAforImadpdlietmoennaltation tiRinnheffepooorRrimmP-atat,sitoihoornan;lth; ed22))oRppcerrpuooomvvriiteddoneeontrddiCiroroeetccmhttempirolwnenitsittooeonacaddooddnfrrvReeessAyss tttthhhheaetaddndeeefdfciiiccetiisoeesnnriactclaiitceeissn;;tfh33o)e)rsmnpsaepeteecidcioinfff;yoyratthnaheedd4dmm)iatainsonspnneeaecrlrifiinny wtwhhheiicchh .uthmeeRfPra.qmheallfodroscuubmremnist toornootfhecrownivseeycaonncveeoyf tthheeardedqiutemsnteadl iandfodromnasti!c;ni;nfaonrdma4t)iosnp.ecify ~he hme ti~mne for submission or conx~eyr,nce ef the requested additmn,'~l intbrmation. IRIfehpthoeertMMoPPnCCCAAomCCpolomemntmiisoissnsiiooofnneeR~.rA,~reetjjheeeccttCssohtmhmeeiRRssODiVioRRnAAerPPlwlaainnl,l, RR1)AAspiImemcppillfeeymmetenhntetaadtteiifooinnciRReenepcpoiorertst,,noofrtththheee RRrReDejDepIcRoRtriAAtono;PPnhla2aCn)n,po,rmRRopAvAliedImtmiepolpndeilemromeefcneRttniAiotatn, hitthoooenndCRRedoepnposruotrn,ti,stosohrieroCdCneoeofmrmipcwlpieilnletlc:tiiiooc1snn) o,sopf3fe)sRRcpiAAfeycRRitefhepyeptoodrhrtelefttihcmhaaiaettnnnnnceeeiccereesssismsniittwtaahhttieeectthhheethe a~RRnTPPdejseshhc)atailoslllnp;eddc2ooi)ccfuupymmroeheevninittdmeoorredooirttfehhrceeatrrimwoweinissfeetoorccasoodnnduvvreeebyyssttihhtheeneiiondnirffeoofsrcirmcomisaneatvntiiiecooyinneoasnnn;ncee3ecc)eeosssfssxpaaerrycy,ifftyoointcchfoooerrrrrmmeeacactttituottrnhheeerneddicneeeffwsiiscchaiiierecnnyhccifiteeohsse;; correct the defcicncres a~d ~) specify the m:ne fi-ame correct the deficienmes. tbr submission o:r conveyance of the information necessary to 22330011..00003311 STSATATTEE0_203233399008811