AR226-3359 3UNIVERSITAT 30SNABROCK J.

Biotransformation of ^C-Labeled Fluorotelomer Substances by Soil M Wane N,1, Szostek B.2, Buck R.C.3, Folsom P.W.1, Sulecki L.1, Powley C.2, Berti W.1, and Gannon J.T. 1 DuPont Central Research and Development, Newark, USA; 2 DuPont Haskell Laboratory; USA;3 DuPont Chemical Solu AR226-3364 Introduction Growing public interest in the environmental fate of fluorinated chemicals due to the global presence ofperfluorinated acids such as perfluorosulfonic acid (PFOS) and perfluorooctanoic acid (PFOA). 8-2 TelomerB Alcohol (8-2 TBA, CP3(CF;,)(,CF:;CH:,CH20H) is a major raw material used in the manufacture of sales products (e.g. fluorosurfactants and fluoropolymers).

AR226-3379 Development Of A Biologically Based Model To Describe Perfluoroocta (PFOA) Kinetics P.M.

Fluoropolymer PTFE TFM-PTFE PVDF PFA Fluoroelastomer FFKM (Kalrez) FKM (Viton) Alternative Materials Polymer PE PP PA PVC PEEK PPS Elastomer EPDM Comparison of Fluoropolymers /Fluoroelastomers with alternative materials longterm neutral substances thermal stability shortterm neutral substances longterm agressive substances NaOH 50% < 60C NaOH 50% > 60C HCl < 60C chemical stability HCl H2SO4 > 60C < 60C H2SO4 > 60C HNO3 < 60C HNO3 > 60C -20C - 200C -20C - 260C -20C - 150C -20C - 200C -20C - 260C -20C - 150C -20C - 100C O O up to 60% O up to 70% -20C - 200C -20C - 260C -20C - 150C -10C - 260C -10C - 320C O only low O only low -10C - 150C -10C - 200C O O O O O concentration concentration 0C - 90C 0C - 110C 0C - 80C O up to 60% O up to 30% 0C - 90C 0C - 110C 0C - 80C O up to 5% O up to 60% 0C - 100C 0C - 60C O up to 40C O up to 40C 0C - 60C 0C - 60C 0C - 40C O up to 40C O up to 60% O up to 50% O only low O only low O only low O only low 0C - 250C 0C - 300C O concentration concentration concentration concentration 0C - 200C 0C - 260C O O O O -30C - 130C O O O O O Symbols Meaning Accept O with limitations Not fulfilled

PFAS IN PRODUCTS AND WASTE STREAMS IN THE NETHERLANDS 28 MAY 2021 PFAS IN PRODUCTS AND WASTE STREAMS IN THE NETHERLANDS Contact TESSA PANCRAS Arcadis Nederland B.V.

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* - XYsi8 rheynRE.SEARCH Attachmen2t AR226~ 1774 Air Sampling Fluorochemical Report [ DuPont Washington Works -- Air Sampling Program Round 9 r Exygen Research Report No.

Apr 25, 2023 Comment on Proposed Restriction of PFAS Conference of Fluoro-Chemical Product Japan (FCJ) On behalf of chemical manufacturers, we, Conference of Fluoro-Chemical Product Japan (FCJ), have been working tirelessly to comply with national chemical regulations.

1 CHEMICAL RESISTANCE LIST A B C D E F G H I K L M N O P R S T U V W X Z Chemical resistance list This list uses a rating system to show the chemical resistance of various elastomer materials to different operating media.

SolubilitEystimateofFC-95 by use of XerlexTOC Analyzer WATER SOLUBILITY (BY ANALYSIS OF TOG) TEST SUBSTANCE Identity:Peffluorooctanesulfonatmea;y alsobe referredto as PFOS or FC-95. (1-Octanesulfoniaccid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium saltC,AS # 2795-39-3) Remarks field: The testsubstance isa whitepowder (3M Lot 583) of uncharactedzed purity.

3MTM DyneonTM Fluoroplastic PFA 6502TZ J Sicherheitsdatenblatt Copyright, 2019, 3M Alle Rechte vorbehalten.

FinalReport Salmonell-aEscherichicaoli/N4ammalian-Microsome ReverseMutationAssay withPFOS PREPARED FOR: 3M CorporateToxicology COVANCE STUDY NUMBER: 20784-0-409 C 0 V A14-@EC@- THE DEVELOPMEW SERVW.ESCOMPAW FINAL REPORT SALMONELLA ESCHERICHIACOLI/MANUAALIAN-MICROSOME REVERSE MUTATION ASSAY WITH PFOS AUTHOR Michael S.Mecchi,MS PERFORMING LABORATORY Covance LaboratorieIsnc.

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