BOAAARNNDNNUUAAOFLL DMMEIEERETETIICNNTGGORS MMIINNNNEESSOOTTAA MMIINNBIIONNAGGRDAANONFDD MDAINRUECFTAOCRTSURING MANUFACTURING COMPANY COMPANY MMaayy 1122,, 11998811 RDReeiccrooerrcddtoroosf~ ottfhheeMimmniinnneuutsteoestsa ooffMinttihhneeg aannannnduuaallManmmueefeetatiicnntggurioonffgtthCheeompBBaoonaaryrdd hoeoffld CDaaeittnrtettechhrtee,oraasMddammpoiilfnneiiwsMsotitornrdana,tetisivovMeteiannooeMffsiffoniiticcanee,gss aoaoftnfd1tt:Mhh1eea5nCuCofoPrar.Mcpp.too,urrraaittMniiagooynnC12oaa,mttpa133n9MM8y1.held Center, Maplewood, Minnesota, at 1=15 P.M., May 12, 1981.

jo pe Hh | Vole:le | Fluorochemical Surfactant 3M | - | | k td SAT) % 2 | El EE.

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rps eis 3M (~orporate Occupational Medicine 4poE neS 3M Center, Building 022(~-06-W-08 ri St.

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A ------ ::: mMssNeOmsiTmEsBeisOnoOnKsssdeOrNmr~ePeLneEnoTen~OntmeNreIoNrdSooeTerr~rtUtoCo~OrnN5... o Ad pASLEezd roptnere edsde1 eeroesrdpLrneeerd bermtr te er fm dre CONFIDENTIAL - SUBJECT TO A PROTECTIVE ORDER ENTERED IN HENNEPIN COUNTY DISTRICT COURT, NO. 27-CV-10-28862 22660033..00000011 EExxhhiibbiitt 22660033 State of Minnesota v. 3M Co., Court File No. 27-CV-10-28862 3M MN04758351 `CHCEOONNNNFFEIIDPDEIENNNTCTIIAOALU-LN- TSSUYUBBDJJIEESCCTTTRITTCOOT AACOPPURRROOTT,TEECNCOTT.IIVV2EE7-OOCVRR-DD1EE0-RR28EE8NN5TT2EERREEDD IINN HENNEPIN COUNTY DISTRICT COURT, NO. 27-CV-10-28862 22660033..00000022 I3MM_MMNNo04477S588335522 `CHCEOONNNNFFEIIDPDEIENNNTCTIIAOALU-LN- TSSUYUBBDJJIEESCCTTTRITTCOOT AACOPPURRROOTT,TEECNCOTT.IIVV2EE7-OOCVRR-DD1EE0-RR28EE8NN5TT2EERREEDD IINN HENNEPIN COUNTY DISTRICT COURT, NO. 27-CV-10-28862 22660033..00000033 I3MM_MMNN0044775588336533 ON: oT WASISSUED TO: | ove __Zniinitstn|orTo!

27-CV-10-28862 Expert Report of Michael Donlan EXHIBIT 12.

HHeeaalltthh RRiisskk LLiimmiittss ffoorr PPeerrfflluuoorroocchheemmiiccaallss RReeppoorrtt ttoo tthhee MMiinnnneessoottaa LLeeggiissllaattuurree 22000088 MMiinnnneessoottaa DDeeppaarrttmmeenntt ooff HHeeaalltthh FFiinnaall RReeppoorrtt JJaannuuaarryy 1155,, 22000088 BWRRTE] ham Commissioner' s Office 625 Robert St.

mm y DEPARTMENT OF HEALTH PPFFBBSS aanndd DDrriinnkkiinngg WWaatteerr PPFFBBSS ertorobutane sulfonate (HBS)s on of a grou of elated chemicals known sperfurachemicals Perfluorobutane sulfonate (PFBS) is one of a group of related chemicals known as perfluorochemicals (PFC These re at cad prunnaredayned sobsonces FFAS.

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A I RR ETT TE we ITTT 22779988..00000011 Exhibit 22779988 33MM_MMNND011669955661166 vo Two Haek Week OOorrtaallm2RRaasnn0ggsoecffoiirnnddiiinnnggnaTTtoosxxiicciittyy Study Study of T-2509COC in Rats EExxppeerriimmeenntt Ntoo..:: DDoosstinngg started: Started: Recovery Intervals Completed: Recovery Intervals Completed: Ssttuudtyy DDiirreeccttoorr:: TTeessttiinngg FFaacciilliittyy:: sponcors Sponsor: s17m9mR0R0z233 ostaber 3, 1975 October 3, 1979 Novesber 15, 1579 November 15, 1979 GR. stetten, 15 G.