mm y DEPARTMENT # OF HEALTH PPFFBBAA aanndd DDrriinnkkiinngg WWaatteerr erfuorobutanic ci (P84) son ofa group of ated cemicas known as peruorochericals PPFFBBAA Perfluorobutanoic acid (PFBA) is one of a group of related chemicals known as perfluorochemicals ((PPFFCCs)s.).

CCoonnffiiddeennttiiaall BBuussiinneessss IInnffoorrmmaattiioonn FFLLUUOORROOCCHHEEMMIICCAALL UUSSEE,, DDIISSTTRRIIBBUUTTIIOONN AANNDD RREELLEEAASSEE OOVVEERRVVIIEEWW PPrreeppaarreedd bbyy 33MMMayCC2oo6mm,p1pa9an9ny9y May 26, 1999 CV-10.28887 `CCOONNFFIIDDEENNTTIIAALL -- SSUUBBJJEECCTT TTOO AA PPRROOTTEECCTTIIVVEE OORRDDEERR EENNTTEERREEDD IINN HHEENNNNEEPPIINN CCOOUUNNTTYY DDIISSTTRRIICCTT CCOOUURRTT,, NNOO.. 2277 22775544..00000011 Exhibit 2754 33MM_MMNN0033227700226600 CCoonnffiiddeennttiiaall BBuussiinneessss IInnffoorrmmaattiioonn T TABLAEOOFB FCCOOL NNTTEENE NTTSS PPaaggee Introduction ............................................................................................................................... 3 The 3M ECF Process ................................................................................................................. 3 3M Productionof Sulfonyl-based FIUOOCEICAS rccrcrnersrmnnnd 3M Production of Sulfonyl-based Fluorochemicals ................................................................. 4 33MM SSuullffoonnyylb-baasseedd FFIluUoGrFoOcChHEeMmIiEcAall PPFrOoUdUuCctSs vss ...........................................................................

FFIINNAALL RREEPPOORRTT PROTOCOL 418.011 PROTOCOL 418-011 ORAL ORAL (GAVAGE) (GAVAGE) DDEEVVEELLOOPPMMEEINNNTTRAAALLTTTSOOXXIICCIITTYY STUDY STUDY OOFF NN--EEtIFFOOSSEE IN RATS \ SSPPOONNSSOORR''SS SSTTUUDDYY NNUUMMBBEERR:: TT--66331166..77 FINAL REPORT DATE: 17 DECEMBER 1998 FINAL REPORT DATE: 17 DECEMBER 1998 22778888..00000011 1100117711118811 Exhibit 2788 rostivrtieiorl RN 3MA10083119 PPRROOTTOOCCOOLL 441188--001111 prot OORRAALL ((GGAAVVAAGGEE)) DDEEVVEELLOOPPMMEENNTTAALL TTOOXXIICCIITTYY SSTTUUDDYY OOFF NN--EEttFFOOSSEE IN RATS `SSPPOONNSSOORR''SS SSTTUUDDYY NNUUMMBBEERR:: TT--66331166..77 T TABLA EOOFB F CCOONL NTTEENE NTTS SSUUBBJJEECCTT | SUMMARY AND CONCLUSION I.

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[Ear] Exhibit Number WaiBates 33MMPbPaatayeymmenenttssffoorr JJoohhnn GGFieiaeslysy;WWoorrkk |RwownePu | Come Date Entity Amount Paid 3M Contact 2773.0001 [2772370730.000022 [2772370730.000033 [2773000 TMVNOSS7800|TV T7319 | Ge alotrin]S931500|Dale eon | 2773.0004 [27300 VINO | T2-T0199| Giocal ori |STS6150 | Dole eon | 2773.0005 moos [sv smosserors| 72619 | nMietideSctonoeniUnofigvbermaGlnGys| 19857525| pe acon 2773.0006 [200 [NWN | TAT] Greycabot |Se00|Deen| 2773.0007 moos [sv amosserorz| 911mm | nMietedoSeoitnoen ngofibenemyGGn8o7s| 19857525| pe acon 2773.0008 3M_MN04734385 [S3M_MMNONS03563677660066| TS3M_MMN0NS0353667755994| 3M MN05367600 3M_MN05367598 3M_MN05367613 3M_MN05367592 3M_MN05367612 3/7/1993 John P.

wo 33MM IInntteerrnnaall CCoorrrreessppoonnddeennccee To: To-" From: From; SSuubbjjeecctt: Date MTihchoaemlsJI.

ay oMMoAAzRRYsYLcLEEaEErmMMAAENNDDLLEERR [USSPO1.US2776421@oHnO [USSP01 .US277642]@HOSTMAIL on S02T72H6A11I95L7 02/26/1997 09:25:00 PM PPlleeaassee rreessppoonndd ttoo MMAARRYYLLEEEE MMAAEENNDDLLEERR [[UUSSSSPPO011..UUSS227777664422]] @@ HHOOSSTTMMAAIILL TToo:: RRoobbeerrt DtD..

33MM IInntteerrnnaall CCoorrrreessppoonnddeennccee To: To: FFrroomm:: SSuubbjjeecctt:: Date: Date: DDT...1LLDBBiaPacacsooqnnuale MMMT.y..lJ1I.e..DsDDiooMPauuarggsthhqeeeulrrattlyye MCDC..ylRRAeee.siiSCcMahhanrdteerls DMDD....

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BOARD BOARD OF OF DIRECTORS DIRECTORS PPRREF~SEENNTTAATTIIOONNS$ NNOOVVEEMMBBEERR 9, 9, 1998 1998 August, 1998 FCISSUES 11552277..00000011 wo So3MA10081840 cBckoduchee eles ES LWchqetebee _ TS Ddoust on fotoCelechs of, chomcals -kcycle i.

TwaabHvbcou LANSING BRD ITM/COM AUTFERIT RFRA APRIL 25, 1999 soc AID Lon ay126 3 ' 11338588..00000011 EEx1xh3hi6ibb8iitt 1358 State of Minnesota v. 3M Co., Court File No. 27-CV-10-28862 ATTORKYE GGEENNEERRAALL 02004 4619 P3:42 11335588..00000022 FRE ` Board Date: _\ Project Hanager: MMiinnnneessoottaa PPoolllluuttiioonn CCoonnttrrooll AAggeennccyy DDiivviissiioonn ooff SSoolliidd aanndd HHaazzaarrddoouuss WWaassttee Siittee Reessppoonnssee Seeccttiioonn BoBoaarrdd AAccttiioonnSShheeeett 25,14 39% DatQ e: n 25,1499 Board AgendaTitle:Roguusskho doocronertoReg ontoDogonseAng KyEs4 Wenndirn arelyoT CovibTaonwusnornditohn tAk, Board Action: Fo % AApppprroovveedd aass. pprreesseenntteedd:: Meo DDeennifeedd Signed: Quetnoods outee: Orn35, [4% Tabled: ves No Xf yes, until when?

y `SSuummmmaarryy PPFFOOSS OOrraall RRaatt TTooxxiiccoollooggyy SSecrreeeenn `SSttuaddyyNNiimmbbeerrss;: 33MM --TT--66229955,, NNOTOOXT--22O442299X3333,, 33MM AAnanlytaicall --FFyAACCtTT--iTTOOcXX--1a12200l3.3 `Compound; Perfaorooctan sulfonate, poassum slt (CFSOK) Compound: Perfluorooctane sulfonate, potassium salt (CsF~TSO~K) `PtSSFttBouudSdxyy,TiTiPicdFtlHeeoStolaxonicdogPloRygO:yS: (pEEoxxsppilltooirrvaaettcooorrynyt22o88l--)DDaabyyyDOOarriaalll yTToGoraxivcictaiygtyeSiSntuyhdyeRwwaiittthh FTToeellllooommweeerrdbAAyllcoaobhe1oll,,TTe4 elDlooammyeR2 erreAcAcorcv8 ryyellraaytte,, Period PFBS, Period PFHS and PFOS (positive control) by Daily Garage in the Rat Followed by a 14/28-Day Recovery `TSSettuluddoyymTeTriitAleceraaynlnaatlyiet,iacPaFl::BSRR,eepPpooFrrHttSooffDaDnadtataPafFfooOrrSEExpxlpolorraattoorryy2288--DDaayyOOrarall TToosxciciittyy SStuuddyy wwiitthh TTeelloommeerr AAllccoohhooll,, Telomer Acrylate, PFBS.

MMDAAATTTEEARRIISAAHLLEETSSAAFFEETTYY a33Mm Contor DATA SHEET 3SS5Mtt5..1C4e4PPnaa-uut1lle0,,r00mMiinnnneessoottaa 151-5-818040040---3130660440--33557777 oorr ((661122)) 773377--66550011 ((2244 hhoouurrss)) AAiCCLloonlLppfyyorrrrriiimiggagghhhthtttit,,sosn r1r19e9of99sso77ero,,rtvvteehMMddoii..nnnpnueersCsCpooooopttpsyaayeiiWnnMgigionnfiiaannnpnggdrd//ooaoparrnneddrlddMMoyoaawwnnnnuuulltffooiaaaalccddittiisuunnirrggniignnooggff3CCttoophhmmirippsesaadnniyyc..ts 1ii1)5snfoatarhllemllaootwniieenoddfnopprrrmfoooarvtviiitdodheneeddipsttuhhraacpttoos:psieedofinprfouplelrlwyithutinloizcihnagnge3Ms products unless i) 2) ppntrrheiietoohrrienarafggorrrteemheeeammteeicnnoottnpyiiisssnooorcbbotttpaahiieienndeeoddriingftirrfnoouammlll33Miw,,sitaahrnneddsnooldchoarngeostheurnwliesses 2) Gdniiessitttrrhiiebbruuttteehdde wwciiottphhy ttnhhoeer itinhnteceenrottriiioognninoaoflf eeiassrnnriiennsggol8ad pPorrrooffoiittthettrhhweeirrseeeoonn..

: rT ~ E~v~ronme~.a| Laboratory SSRRCaaeeomsmsmupupplllltateessnssffyrFFrorroFmoamocmmiAAlnitnthtahayelelyyiEEssn..eePssIIa.. rooDDkfluueSSPProoosoinbilnltutaardndgn,eedd GNGreroomuuonnuddrwwsaatatenerrd WNeesmtoVuirrsgianniad Company Facility in Parkersburg, West Virginia STUDYCOMPLETED:Griber SF'OrUADLYRCEOPOMRPTLCEOTEMDPL: EOTcEtoDb:er 27.1997 Moves 27. 1997 13.1037 FiliAL F~EPORT'COMPLE-I=EO=: November 13, 1997 pvRows. samo Ao Buch r aryiSE te om ororos2sigan onetp Sr5= 77| CCCOOONNNFFFIIIDDEEENNNTTTIIIAAALLL--.SSUUSBUBBJJJEEECCCTTT1TT0OOAAA PROTECTIVE PROTECTIVE OROER ORDER ENTERED ENTERED IN IN HENNEPIN HENNEPIN COUNTY COUNTY DISTRICT COURT, NO. 27-CV-10-28862 22775599..00000011 ExhibIi>t 22775599 State of Minnesota v. 3M Co., Court File No. 27-CV-10-28862 _UNC0043306 3M MN00043306 0 Eonar Laborer Tablo of Contents Table ot Contents Sumner ot Rosas: [rp-- 5 .