'rom 0#mfb j Reaiy an 10/04/2001 07 C2 PM rc a: Suoject Za*><J M Ruffc< Ag/DuPontigOuPont Rooeh F P'nchot/DEV'AE/D jPont@QuPont, M Ann Brici*y'ST8/0U3<i}DUP.

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Soil-Water Partitioning of Fluorotelomer Intermediat Manufacture Fluorotelome Polymers AR226-3354 Telomer Research Program - TRP: Asahi Glass Co.

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EXyBeN. keg ri reAttachment 2 226-7764, Air Sampling Fluorochemical Report [ DuPont Washington Works -- Air Sampling Program Round 7 Exygen Research Report No.

Comment on Proposed Restriction of PFAS Aug 25, 2023 Japan Valve Manufactures' Association (JVMA) Japan Valve Manufacturers Association (JVMA) appreciates the opportunity to provide comments to the PFAS restriction proposal. 1.

EFCTC HFC and HFO Substances degradation products and TFA yields mimimum structural requirement to potentially form significant yield of TFA is a CF3C group with a halogen such as Designation HFC-125 HFC-134a HFC-227ea HFC-236fa HFC-245fa HFC-365mfc HFO-1234ze(E) HFO-1336mzz(Z) HFO- 1336mzz(E) HCFO-1233zd(E) REFERENCES s 1 2 3 4 5 6 7 8 9 10 p with a halogen such as F or Cl also attached to the C eg CF3CF Complete Name Formula CAS Final Degradation Products number pentafluoroethane 1,1,1,2-tetrafluoroethane 1,1,1,2,3,3,3-heptafluoropropane 1,1,1,3,3,3-hexafluoropropane 1,1,1,3,3-pentafluoropropane 1,1,1,3,3-pentafluorobutane CHF2CF3 CH2FCF3 CF3CHFCF3 CF3CH2CF3 CHF2CH2CF3 CF3CH2CF2CH3 354-33-6 811-97-2 431-89-0 290-39-1 460-73-1 406-58-6 CO2, HF HCOOH, CO2, HF, CF3COOH CO2, HF, CF3COOH CO2,HF, CF3COOH CO2,HF, CF3COOH CO2,HF, CF3COOH Trans-1,3,3,3-tetrafluoroprop-1-ene Cis-1,1,1,4,4,4-hexafluorobut-2-ene Trans- CF3CH=CFH Cis-CF3CH=CHCF3 29118-24- CO2, HCOOH, HF 692-49-9 CO2, HF, insignificant formation of CF3COOH Trans-1,1,1,4,4,4-hexafluorobut-2ene TransCF3CH=CHCF3 66711-86- CO2, HF, insignificant 2 formation of CF3COOH Trans 1-Chloro-3,3,3-trifluoroprop-1- Trans-CHCl=CHCF3 102687- CO2, HF, HCl, zero or ene 65-0 insignificant CF3COOH The TFA yields have been determined using models and/or laboratory experiments.

CIRCOR ALLWEILER' ALLWEILER GmbH .

3M ENVIRONMENTAL LABORATORY Protocol-AnalyticalStudy QuantitativeAnalysisofPerfluorooctaneSulfonicAcid PotassiumSalt (PFOS, T-6295)inCynomolgus Monkeys FollowingAdministrationofa 4- Week CapsuleToxicityStudy 3M ET & SS StudyNumber: AMDT-041598.1 In-VivoStudyReferenceNumber: Covance6329-222 TestSubstance:PerfluorooctaSnuelfoniAccid PotassiumSalt(PotassiuPmerfluorooctane SulfonateC),F17SO3-K'(PFOS,T-6295) Name and AddressofSponsor: 3M ToxicologyServices Building220-2E-02,3M Center St.Paul,MN 55144-1000 Name and AddressofBiological-PhaFsaecility: Covance LaboratorieIsnc.

Risk assessment of exposure to PFAS through food and drinking water in the Netherlands RIVM report 2023-0011 Risk assessment of exposure to PFAS through food and drinking water in the Netherlands RIVM report 2023-0011 RIVM report 2023-0011 Colophon RIVM 2023 Parts of this publication may be reproduced, provided acknowledgement is given to the: National Institute for Public Health and the Environment, and the title and year of publication are cited.

cleslyThPOLYMERS e low refractive index company MY Polymers LTD 3 Golda Meir St., Ness Ziona, Israel 7403648 Tel: , Fax: E-mail: Mmypolymers.com September 19, 2023 2 nd Additional comments to the Confidential Attachment reference number: 5d11eae4-2d11-4b4c-9a24-c50d348bc1a0 The purpose of this additional comment is to emphasize the fact that manufacturers of fiber lasers cannot compromise on the need for a very low RI.

ELSEVIER Chemosphere 226 (2019) 898-906 Contents lists available at ScienceDirect Chemosphere journal homepage: www.elsevier.com/locate/chemosphere Waste incineration of Polytetrafluoroethylene (PTFE) to evaluate potential formation of per- and Poly-Fluorinated Alkyl Substances Chec updates (PFAS) in flue gas Krasimir Aleksandrov a, Hans-Joachim Gehrmann a, Manuela Hauser a, Hartmut Matzing a, Daniel Pigeon b. , Dieter Stapf a, Manuela Wexler a a Karlsruhe Institute of Technology, Karlsruhe, 76021, Germany b W.L.