Electronically Served 9/22/2017 10:26 PM Hennepin County, MN 27-CV-10-28862 Filed in Fourth Judicial District Court 11/17/2017 7:07 PM Hennepin County, MN STATE OF MINNESOTA DISTRICT COURT FOR THE COUNTY OF HENNEPIN FOURTH JUDICIAL DISTRICT CIVIL ACTION NO. 27-CV-10-28862 STATE OF MINNESOTA, et al. v. 3M COMPANY EXPERT REPORT OF KIRK W.

Overview FACT SHEET PFOA & PFOS Drinking Water Health Advisories EPA has e sta b lis h e d h e a lth a d v is o rie s fo r PFOA and PFOS based on th e a g e n cy's a sse ssm e n t o f th e la te s t p e e r-re v ie w e d science to p ro v id e d rin k in g w a te r s yste m o p e ra to rs , and s ta te , trib a l and local o ffic ia ls w h o have th e p rim a ry re s p o n s ib ility fo r o ve rse e in g th e se system s, w ith in fo rm a tio n on th e h e a lth risks o f th e s e c h e m ic a ls , so th e y can ta k e th e a p p ro p ria te a c tio n s t o p r o t e c t t h e ir re s id e n ts .

Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendices G] Page 1 of 12 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats _____________________________________________________________________________________________________________ Appendix G: Amendments and Deviations (Copies) Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendices G] Page 2 of 12 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats _____________________________________________________________________________________________________________ Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendices G] Page 3 of 12 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats _____________________________________________________________________________________________________________ Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendices G] Page 4 of 12 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats _____________________________________________________________________________________________________________ Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendices G] Page 5 of 12 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats _____________________________________________________________________________________________________________ Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendices G] Page 6 of 12 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats _____________________________________________________________________________________________________________ Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendices G] Page 7 of 12 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats _____________________________________________________________________________________________________________ Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendices G] Page 8 of 12 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats _____________________________________________________________________________________________________________ Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendices G] Page 9 of 12 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats _____________________________________________________________________________________________________________ Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendices G] Page 10 of 12 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats _____________________________________________________________________________________________________________ Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendices G] Page 11 of 12 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats _____________________________________________________________________________________________________________ Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendices G] Page 12 of 12 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats _____________________________________________________________________________________________________________

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EPEE Position on PFAS Universal Restriction Proposal: F-gases and Fluoropolymers Summary November 2023 EPEE, as the voice of the Refrigeration, Air Conditioning and Heat Pump (RACHP) sector in Europe, would like to highlight its key concerns and recommendations related to the Universal PFAS Restriction proposal, as submitted to ECHA.

Toxicological Summary PFOS Dietary Chronic Pilot Reproductive Study: Northern Bobwhite Test Substance: Perfluorooctancsulfonate (PFOS) Structure: Test Remarks: METHODS h1e-pOtcatdaenceasfullufoornoi-cpaoctiads,si1u,m1,s2a,lt2,,3C34A.S4,H5,257.96,56-,319,-73,8.8.88Tw6ha.es9s%tteobtryesdLubuMsntdSaenr,caem"ibHsi-eaNnMwthRci,otneadnipdtoiewoldnesemraenn(td3aplMuraLnioatlyty#wsiass21td7e)ec,thenriTmqhiuenesedsatmopplee Method: ASTM Standard E1062-86and `Type: Dietary Reproduction FIFRA Subdivision E.

ENV/JM/MONO(2009)1 Unclassified Unclassified ENV/JM/MONO(2009)1 Organisation de Coopration et de Dveloppement conomiques Organisation for Economic Co-operation and Development 27-Jan-2009 ___________________________________________________________________________________________ English - Or.

StudyTide FC-143:TWoYEARORAL TOXIITY-ONCOSGTUEDNYICNIRATTYS PEER RevoFiOveanwes Authors Peter C.

ELSEVIER Chemosphere 129 (2015) 33-38 Contents l ists available at ScienceDirect Chemosphere journal homepage: www.elsevier.com/locate/chemosphere Chemosphere Stockholm Arlanda Airport as a source of per- and polyfluoroalkyl substances to water, sediment and fish Lutz Ahrens a, Karin Norstrom b'*, Tomas Viktor b, Anna Palm Cousins b, Sarah Josefsson a Dept. of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences (SLU), Box 7050, SE-750 07 Uppsala, Sweden b II/L Swedish Environmental Research Institute, BOX 21060, SE-100 31 Stockholm, Sweden 11) CrossMark ARTICLE INFO Article history: Received 19 December 2013 Received in revised form 18 March 2014 Accepted 22 March 2014 Available online 10 May 2014 Handling Editor: Klaus Kfimmerer Keywords: Per- and polyfluoroalkyl substances (PFASs) Perfluorooctane sulfonate (PFOS) Aqueous fire-fighting foams (AFFFs) Bioconcentration factor (BCF) Sediment/water partition coefficient (Kd) ABSTRACT Fire training facilities are potential sources of per- and polyfluoroalkyl substances (PFASs) to the nearby environment due to the usage of PFAS-containing aqueous fire-fighting foams (AFFFs).

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3 ECONOMICS CELEBRATING ECONOMICS FOR THE ENVIRONMENT eftec SEA of restricting use of PFAS in vents Final Report W.

Fluoropolymers: Overview Fact Sheet Created: June 14, 2012 Latest Revision: November 19, 2012 1.

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Comment on Proposed Restriction of PFAS May 30, 2023 Japan Fluoropolymers Industry Association (JFIA) We, Japan Fluoropolymers Industry Association (JFIA), think that fluoropolymers should be distinguished from the proposed restriction of PFAS (Per- and polyfluoroalkyl substances), which collectively regulates more than 10,000 of organofluorine compounds (PFAS) on the grouping basis.