SEAJ as of 12th September 2023 SEAJ from Electric equipment manufacturers' coalition of medical devices, and analysis, measurement, test,control and monitoring instruments in Japan Uses and substitutions of Specialist Equipment This document is the appendix of the general comment to the Restriction report on Per- and polyfluoroalkyl substances (PFAS) from SEAJ (Semiconductor Equipment Association of Japan). submitted on 12th.September 2023 1 / 68 SEAJ as of 12th September 2023 SEAJ from Electric equipment manufacturers' coalition of medical devices, and analysis, measurement, test,control and monitoring instruments in Japan Table of content The characteristics and functions of PFAS ...................................................................................3 Summary ....................................................................................................................................3 Chemical resistance ..................................................................................................................3 Ozone resistance .......................................................................................................................4 Repellency from water and oil / non-adhesion ..........................................................................5 Heat resistance ..........................................................................................................................6 Electric insulation .......................................................................................................................6 Low friction, self lubrication .......................................................................................................7 Gas barrier properties/Gas permeation properties....................................................................8 Low refractive index .................................................................................................................10 Weatherability ..........................................................................................................................11 Durability ..................................................................................................................................12 Resistance to creep / Compression set...................................................................................12 Uses of PFAS in Specialist Equipment .......................................................................................14 Summary ..................................................................................................................................14 electric wires and insulation.....................................................................................................15 Heat shrink tubing ....................................................................................................................18 Sealing materials .....................................................................................................................18 Plumbing ..................................................................................................................................24 Valves .......................................................................................................................................27 Pumps ......................................................................................................................................34 Coating/Lining ..........................................................................................................................34 Membrane filters ......................................................................................................................40 Optical coating .........................................................................................................................44 Heat medium............................................................................................................................50 Lubricating oil...........................................................................................................................51 Others ......................................................................................................................................54 2 / 68 SEAJ as of 12th September 2023 SEAJ from Electric equipment manufacturers' coalition of medical devices, and analysis, measurement, test,control and monitoring instruments in Japan The characteristics and functions of PFAS Summary PFASs have many functions.

EPR Compliance Assessment Report Report ID: BU5453IY/0451751 This form will report compliance with your permit as determined by an Environment Agency officer Site AG Fluoropolymers, Hillhouse EPR/BU5453IY Permit Ref BU5453IY Operator/ Permit holder AGC CHEMICALS EUROPE LIMITED Date 30/12/2022 Time in Out What parts of the permit were assessed Assessment 3.1.2: emissions to water; 4.2.3: operator monitoring 2022 Q2 Report/data review EPR Activity: Installation X Waste Op Water Discharge Recipient's name/position Officer's name Date issued 22/02/2023 Section 1 Compliance Assessment Summary This is based on the requirements of the permit under the Environmental Permitting Regulations (EPR).

From: Sent: To: Subject: 27 December 2023 14:16 Automatic reply: Enhanced Pre-application Request - EPR/BU5453IY Warning: The sender of this message could not be validated.

Larry R.

This email address has changed from @agcce.com to @aciccorri Disclaimer: This email and the information contained therein and within any attachments is confidential and may be privileged.

Permit Number: EPR/BU5453IY Operator: AGC Chemicals Europe Limited Facility: AGC Chemicals Europe, Hillhouse Form Number: Air 1 / 2017 A14 - Reporting of Continuously Monitored Emissions to Air for Particulate matter for the month of April, May, June 2023 No operation.

31VITm DyneonTM Fluoroplastic PFA 6505TZ Sicherheitsdatenblatt Copyright,2022, 3M Company Alle Rechte vorbehalten.

Department for Business & Trade Department for Business and Trade Old Admiralty Building London SW1A 2DY Rachel Salvidge @watershedinvestigations.com T 5000 E @businessandtrade.gov.uk W www.gov.uk El R2024/01520 29th April 2024 Dear Rachel Salvidge, Thank you for your email of 28th February 2024 where you requested the following information: We would like to submit an EIR on the topic of use, pollution, regulation, and restriction of perand polyfluoroalkyl substances (PEAS), including F2 or fluorine gases, such as HFCs. - all documents related to physical, telephone or video communications and meetings (including diary entries, notes, minutes, correspondence produced before and after the communications and meetings) between DBIT (including the secretary of state, ministers, under secretaries, and senior officials(perm secs and DG's) and the organisations listed below since June 2023 to the present date: Major companies: AGC F2 Koura Dupont 3M Chemours Honeywell Solvay National trade associations Chemical Industries Association British Coatings Federation European Fluorocarbons Technical Committee / Cefic Sector Group Plastics Europe Clarification - Please could you reduce the scope as you suggest so that it covers Permanent Secretaries and Director Generals?

Two Week Oral Rangefinding Toxicity Study of T-2509CoC in Rats Experiment No.: Dosing Started: Recovery Intervals Completed: Study Director: Testing Facility: Sponsor: 179RRO23 October 3, 1979 November 15, 1979 G.

AbioticDegradationStu and photolysistudypla AbioticDegradation Studiesof PerfluorooctaneSulfonate PurposeofStudy: The purposeofthiisnvestigatiistoondeterminteheabiotidcegradation reactionsr,atesand productsofthepotassiumsaltofperfluorooctanseulfonate (PFOS or FC-95).These resultwsillbe used toaidinthedeterminatioonfthe environmentalfateofthiscompound.

This article was downloaded by: [University Library Utrecht] On: 09 August 2013, At: 08:35 Publisher: Taylor & Francis Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered office: Mortimer House, 37-41 Mortimer Street, London W1T 3JH, UK Human and Ecological Risk Assessment: An International Journal Publication details, including instructions for authors and subscription information: http://www.tandfonline.com/loi/bher20 Environmental Risk Assessment of Trifluoroacetic Acid Jean Charles Boutonnet a , Pauline Bingham b , Davide Calamari c , Christ de Rooij d , James Franklin e , Toshihiko Kawano f , Jean-Marie Libre g , Archie McCul-loch h , Giuseppe Malinverno i , J.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST SUBSTANCE Identity:Perfluorooctanesulfonylamido(ethyl)acemtaaytea;lso be referredtoas PFOSAA, FC-128 oras themajor component of FC-1 27, FC-129, FC-1 09,or FC-109-X.

BIODEGRADATION (BOD) TEST SUBSTANCE Identity:Perfluorooctanoiaccid;may alsobe referredtoas PFOA, FC- 26, or FX-1001.

PFASs: Comments for Annex XV restriction report 21/09/2023 1: Sectors and (sub-)uses Sector: Metal plating and manufacture of metal products Sub-use: Hard chrome plating 7: Potential derogations marked for reconsideration The use of PFAS as fume suppressant is marked for reconsideration after the consultation.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-201 F-X. (1Octanesulfoniaccid)(CAS # 2795-39-3).