Application Number Application Name Candidate Substance CAS RN to be regulated Name of Candidate Substance to be regulated Generic Name of End Product for Application Generic Name of Part for Application) Description of Application (Details) (Drawings, Diagrams, Photographs, Videos, etc.)

Information of PFAS and PFAS present in mixtures and articles Identity and quantity Please fill in the following table in the columns relevant to you with the respective information concerning your PFAS/precursor/perfluorinated precursor.

CHEMICAL SAFETY REPORT PROVIDED AS COMMENTS TO THE PUBLIC CONSULTATION ON THE REACH RESTRICTION PROPOSAL ON PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) Submitted by: 1 Date: June 29, 2023 Substance: Polyvinylidene fluoride CAS No.: 24937-79-9 EC No.: 607-458-6 Industrial PVDF-based ultrafiltration membranes required to be installed into (a) new water or wastewater treatment plants designed after EiF (including extensions of/changes to existing plants) subject to special conditions (low spatial requirements) for high quality purification of industrial and urban wastewater, process water and drinking water and (b) existing water or wastewater treatment plants ensuring possibility for maintenance and replacement during the operational life of the plant, both (a) and (b) until at least 15.5 years after EiF. 1 Countries of sales and service: No copying / Use allowed - Property of CHEMICAL SAFETY REPORT Table of Contents Table of Tables ....................................................................................................3 Table of Figures ...................................................................................................4 Abbreviations ......................................................................................................5 Declaration .........................................................................................................6 1 SCOPE OF THIS REPORT ...............................................................................7 2 PHYSICOCHEMICAL PROPERTIES of PVDF........................................................9 3 LIFECYCLE STAGES OF PVDF AND MEMBRANES RELATED TO APPLICATIONS ............................................................................................................... 12 3.1 PVDF transportation.............................................................................. 12 3.2 PVDF unloading at casting solution mixing sites ........................................ 13 3.3 Manufacturing...................................................................................... 16 3.3.1 Manufacturing of PVDF UF membranes ............................................ 18 3.3.1.1 Casting solution mixing ............................................................... 18 3.3.1.2 PVDF UF membranes manufacturing ............................................. 19 3.3.2 PVDF UF membranes module production ......................................... 20 3.3.2.1 Sheet making & Drying ............................................................... 20 3.3.2.2 Potting ..................................................................................... 21 3.3.2.3 Testing and finishing .................................................................. 22 3.3.2.4 Cassette assembly ..................................................................... 23 3.4 Service life of the PVDF UF membranes ................................................... 23 3.5 Disposal procedure ............................................................................... 23 4 PFAS EMISSIONS DURING THE LIFE-CYCLE OF THE PVDF UF MEMBRANES......... 24 4.1 Overview of residues/emissions.............................................................. 24 4.2 Manufacturing of PVDF UF membranes .................................................... 24 4.2.1 Workplace exposure ..................................................................... 24 4.2.2 Exhaust air emissions ................................................................... 24 4.2.3 Wastewater emissions .................................................................. 25 4.2.4 Process waste.............................................................................. 26 4.3 Use phase of PVDF UF membranes.......................................................... 28 4.3.1 Background concentrations............................................................ 28 4.3.1.1 PFAS ........................................................................................ 28 4.3.1.2 TOF.......................................................................................... 29 4.3.2 Leaching test for PVDF raw materials ( ) ................ 29 4.3.3 Leaching test of newly produced PVDF UF membranes....................... 30 4.3.4 Leaching test for PVDF membranes already in use/installed in water treatment plants........................................................................................ 31 1 No copying / Use allowed - Property of CHEMICAL SAFETY REPORT 4.3.5 Conclusion on leaching tests .......................................................... 33 4.4 End-of-service life ................................................................................ 34 4.4.1 Incineration................................................................................. 36 4.4.2 Landfilling ................................................................................... 37 5 SUMMARY & CONCLUSION .......................................................................... 40 6 REFERENCES............................................................................................. 44 Annex ............................................................................................................. 46 2 No copying / Use allowed - Property of CHEMICAL SAFETY REPORT Table of Tables Table 1: Substance identity 9 Table 2: Physicochemical properties of PVDF 10 Table 3: Specific properties of VDF 10 Table 4: Overview on process waste during membrane manufacturing 27 Table 5: Information about PVDF membranes operated in water treatment plants for years 32 Table 6: PVDF tonnages at end of service life based on PVDF commercialized within the EEA 35 Table 7: PVDF tonnages at end of service life based on PVDF commercialized within the EEA - optimized 36 Table 8: PVDF tonnages for membrane production and PFAS emissions in 2022 42 3 No copying / Use allowed - Property of CHEMICAL SAFETY REPORT Table of Figures Figure 1: Structural formula of PVDF.......................................................................9 Figure 2: Transportation system of PVDF raw material consisting of three layers ......... 12 Figure 3: Use of a vacuum lance to transfer PVDF to the storage tank ....................... 13 Figure 4: Overview on Unloading & Mixing Area 1 - Unloading Station ....................... 14 Figure 5: Overview on Unloading & Mixing Area 2 (A) and LEV system connected to unloading system............................................................................................... 15 Figure 6: Filter system and waste collection ........................................................... 16 Figure 7: Main process steps for membrane and module manufacturing ..................... 17 Figure 8: Overview on Unloading & Mixing Area 1 (A) and cleaning room located under Area 1 (B)......................................................................................................... 18 Figure 9: Picture of spin-line at the production site of ...................... 20 Figure 10: Production of membrane sheets ............................................................ 20 Figure 11: Drying of membrane sheets ................................................................. 21 Figure 12: Potting of membranes to produce modules ............................................. 22 Figure 13: Overview of the testing and finishing room ............................................. 22 Figure 14: Digester filled with 100 g anaerobic inoculum (18 to 25% dry solids) and 20 g of the testing sample. ......................................................................................... 38 4 No copying / Use allowed - Property of CHEMICAL SAFETY REPORT Abbreviations ACC AoA CSR DU DW ED EU GC/MS HVAC units LC-MS/MS LEV MBR NMP OC(s) PCPs PFAS PFBA PFBS PFHxA PFHxS PFOA PFOS PFPeA PPE PVDF REACH RMM(s) RPE SEA SOP SPELC/MS TOF UF VDF American Chemical Council Analysis of Alternatives Chemical Safety Report Downstream user Drinking water Endocrine disruptor European Union Gas chromatography/mass spectrometry Heating, ventilation and air conditioning units Liquid chromatography-tandem mass spectrometry Local exhaust ventilation Membrane bioreactor N-methylpyrrolidone Operational Condition(s) Pesticides, pharmaceuticals, personal care products Per- and polyfluoroalkyl substances Perfluorobutanoic acid Perfluorobutanesulfonic acid Perfluorohexanoic acid Perfluorohexanesulfonic acid Perfluorooctanoic acid Perfluorooctanesulfonic acid Perfluoropentanoic acid Personal protective equipment Poly(vinylidene fluoride) Regulation (EC) No 1907/2006 of the European Parliament and of the Council of 18 December 2006 concerning the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) Risk Minimization Measure(s) Respiratory protective equipment Socio-Economic Analysis Standard Operating Procedure Solid-phase-extraction liquid chromatography/mass spectrometry total organo-fluorine Ultrafiltration Vinylidene fluoride WWTP Wastewater Treatment Plant 5 No copying / Use allowed - Property of CHEMICAL SAFETY REPORT Declaration We, (" "), are aware of the fact that further evidence might be requested by ECHA to support the information provided in this document.

ANNEX2Photo of seal in PPS (polyphenylene sulfide) On May 31, 2023, MITSUI E&S POWER SYSTEMS, INC. reported to Mitsubishi Chemical via email that it was having difficulty in finding a replacement for the zeolite membrane seal, FEP.

SOCIO-ECONOMIC ANALYSIS Of the impacts of a potential restriction of per-and polyfluoroalkyl substances (PFAS) for industrial test & measurement type products SUBSTANCE: Per- and polyfluoroalkyl substances (PFAS) FROM: Test & Measurement Coalition (TMC) INTENDED USE: Test and measurement equipment products DATE: 28 July 2023 PREPARED BY: EPPA SA/NV Place du Luxembourg 2 1050 Brussels, Belgium EU Transparency Register: 31367501249-92 SOCIO-ECONOMIC ANALYSIS | PFAS | REACH SOCIO-ECONOMIC ANALYSIS Of the impacts of a potential restriction of per- and polyfluoroalkyl substances (PFAS) for test & measurement industrial type products PROJECT TITLE: Socio-economic analysis of the impacts of a potential restriction of per- and polyfluoroalkyl substances (PFAS) for industrial test & measurement type products VERSION: 28 July 2023 PREPARED FOR: Test & Measurement Coalition (TMC) PERFORMED BY: EPPA: www.eppa.com CITATION: EPPA, Socio-economic analysis of the impacts of a potential restriction of perand polyfluoroalkyl substances (PFAS) for industrial test & measurement type products, Report for T&M Coalition, July 2023 DISCLAIMER: The views expressed in this report are, unless otherwise stated, those of the authors and do not necessarily represent any official view of TMC and/or any other organization mentioned in this report. 2 SOCIO-ECONOMIC ANALYSIS | PFAS | REACH TABLE OF CONTENTS ABBREVIATIONS ............................................................................................................... 4 1.

SPoerfmomraimraence Study of PFASs applied to mechanical engineering FIM/Cetim study WRITER(S): Mathieu BEN BRAHAM SIGNATURES: Technical Manager: Mathieu BEN BRAHAM Person in charge of activity supervision: Jrome RIBEYRON Performance Study of PFASs applied to mechanical engineering FIM/Cetim study CENTRE TECHNIQUE DES INDUSTRIES MCANIQUES (CETIM), 2022 ISSN 17672546 ISBN 9782-368942550 "Any full or partial reproduction or representation of this work by whatever process without CETIM's authorisation is illegal and constitutes an infringement.

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.

Received: 2 September 2020 I Revised: 25 November 2020 I Accepted: 26 November 2020 DOI: 10.1002/pen.25610 RESEARCH ARTICLE WI LEY POLYMER I INSPIRING PLASTICS ENGINEERING PGr/FERSION,, AND SCIENCE Electrical insulation properties of silicone rubber under accelerated corona and thermal aging El Hadi Belhitechel '2 I Sebastien Rondot3 I Mustapha Moudoud1'4 Philippe Dony3 I Omar Jbara3 1Laboratoire des Technologies Ayancees en Genie Electrique (LATAGE), Universite de Tizi-Ouzou, Tizi-Ouzou, Algeria 2Universite Mohamed Boudiaf, M'Sila, Algeria 3lnstitut de Thermique, Mecanique et Materiaux-Universite de Reims, UFR Sciences, Universite de Reims, Reims, France 4Departement d'Electrotechnique, Universite Mouloud Mammeri, TiziOuzou, Algeria Correspondence El Hadi Belhiteche, Laboratoire des Technologies Ayancees en Genie Electrique (LATAGE), UMMTO, BP 17 RP 15000 Tizi-Ouzou, Algerie.

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.

Comments on ECHA's proposed restriction for PFAS September 7, 2023 The Japan Bearing Industry Association We, the Japan Bearing Industrial Association (JBIA), composed of member companies engaged in the manufacture of bearings, have made efforts to promote the features of bearings as environmentally friendly products.

September 25th, 2023 Non-confidential comments for Annex XV restriction report: Derogated PFAS subgroups Dear Madame or Sir, We welcome the opportunity to provide input on the restriction proposal regarding per- and polyfluoroalkyl substances (PFAS).

25.09.2023 Brussels, Belgium Re: Submission of the Clean Cooling Coalition to the PFAS Restriction Intention.

EUROPEAN CHEMICALS AGENCY PFASs Working Group (webex) Wednesday 27 February 2019, 11:00-13:00 (Helsinki time) Draft agenda: 5 February 2019 1.

please find attached to this E-Mail the draft agenda including the WebEx details for the next monthly meeting 18 May.