2965108 From: To: Subject: Date: RE: essential uses woensdag 24 maart 2021 08:39:55 Dear In my view, you have correctly described the situation.

AR226-2516 LJ.

To: From: restrictiePFAS IEEE @rivm ni] 5.1.2e Sent: Subject: Tue 6/4/2024 11:34:05 AM FW: Vertaging in de opinievorming van de restrictie op PFAS in brandblusmiddelen Received: Tue 6/4/2024 11:34:06 AM 2965779 From: Sent: donderdag 20 oktober 2022 00:21 o To: INENEDIEY EXE chemourR s.com> Subject: RE: Vertaging in de opinievorming van de restrictie op PFAS in brandblusmiddelen EEN Vooralsnog zijn wij nog steeds van plan in januari ons dossier in te dienen.

AR226-2533 FLUOROPOLYMERS 81-4 PAGE 10 3.

Integrated Environmental Assessment and Management -- Volume 14, Number 3--pp. 316-334 316 Received: 26 September 2017 Returned for Revision: 16 January 2018 Accepted: 30 January 2018 Critical Review A Critical Review of the Application of Polymer of Low Concern and Regulatory Criteria to Fluoropolymers Barbara J Henry,*t Joseph P Carlin, t Jon A Hammerschmidt, f Robert C Buck,: L Heidelore Fiedler, Jennifer Seed,// and Oscar Hernandez# tWL Gore & Associates, Elkton, Maryland, USA tChemours Company, Wilmington, Delaware, USA MTM Research Centre School of Science and Technology, Orebro University, Orebro, Sweden //Risk Assessment Consultant, Alexandria, Virginia, USA #Bergeson & Campbell, Washington, DC, USA William Buxton, I ABSTRACT Per- and polyfluoroalkyl substances (PFAS) are a group of fluorinated substances that are in the focus of researchers and regulators due to widespread presence in the environment and biota, including humans, of perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA).

Comment on Proposed Restriction of PFAS Shandong Huaxia Shenzhou New Material Co., Ltd.

AR226-2645 34 AR226-2645 ISlI ' Inputs / Lbs PTFE LbsC8 Step Processinq Lbs PTFE LbsC8 ill Substep Process sewer Lbs C8 Output Hazardous waste Air disposal Yarn Finishing (packing yarns) 89,379.5 133.2 'roduct 89,379.5 3ryer Vent 133.2 0.0 133.2 Spinning 825,260.0 1,229.6 Product 687,819.0 1024.9 Coag/wash Sintering 973.6 Sintered exhaust 41.0 10.2 Waste 87,319.0 130.1 Coag/wash Sintering 123.6 'umpout White 41,342.0 exhaust 61.6 5.2 1.3 61.6 waste 8,780.0 13.1 13.1 wet waste 0.0 0.0 0.0 Cleaning linse 0.0 - 0.0 totes 0.0 0.0 0.0 Clean dispersion tanks 0.0 0.0 0.0 Spill Nonroutine Ruptured containment discharges 1,532.0 2.3 tote 1,532.0 2.3 and cleanup 2.3 Total Grand total 916,171.5 1,365.1 916,171.5 1,365.1 (// , ,2..

f #R226_27/6 3 | Maas. 2716 AMMONIUM PERFLUOROOCTANOATE: CROSS-SECTIONAL SURVEILLANCE INA COMMUNITY SAMPLE OF CLINICAL MEASURES OF GENERAL HEALTH STATUS RELATED TO A SERUM BIOMARKER OF EXPOSURE A STUDY PROTOCOL Preparedfor DuPont Haskell Laboratory Newark, Delaware Prepared by The Sapphire Group, Inc.

Copies AR226-2751 E.

AR226-2786 '"""'"" -~'';;"''''BE^!

European Semiconductor Industry Association PFAS in the semiconductor industry Giulia Mancini, STMicroelectronics June 15th 2022 ESIA Members 2 The voice of the semiconductor industry in Europe Represent the interests of the European-based semiconductor industry and advocate for its international competitiveness most R&D-intensive sector highly-developed global supply chain fierce competition & price fluctuation short innovation cycles multiplier for growth, electronics boost innovation global market estimated at $ 556 billion in 2021 (+26.2% yoy) Europe strongest market for automotive (29%) EU ca. 10% of global market direct employment 200.000 indirect up to 1.000.000 ESIA is member of the World Semiconductor Council (WSC) 3 Semiconductors enable sustainable solutions 4 The European semiconductor industry delivers innovative solutions to societal challenges These solutions depend on the use and availability of specialty materials and chemicals 5 The most complex and sophisticated manufacturing process in the world, incorporating a strictly controlled and safe production environment 500 manufacturing steps 6 PFAS use by the semiconductor industry Constituent of specialty process chemistry formulations (photolithography, chamber cleaning/etching, and other mixtures) Direct criticality > 13 types of distinct uses / material functionalities Semiconductor manufacturing equipment Heat Transfer Fluids Various articles tubing lining orings Chemical distribution systems Fluoropolymers in articles (component, wire, cables, printed circuit boards, batteries, insulators, capacitors, etc.)

AR226-2820 Material Tested: Submitted by: E.

AR226-2825 ^L0-e>^f-&s International Research and Development Corporation____ SPONSOR: E.

-^-- Copies Co; AR226-2882 Material Tested E,, I. du Pont de Nemonrs and Company Hasktill Laboratory for Toxicology and Industrial Medicine Elkton Road, Newark., Delaware 19711 HASKELL'LABORATORY REPORT NO. 56-80 Haskell No. 13,1'97 Ocher Codes Study Initiated/ Completed 8/21/79 - 8/27/79 Mate Chemical Jackson EYE IRRITATION TEST IN RABBITS Procedure; One-tenth mllllliter of the undiluted test material, was placed Into the right conjunctlval albino rabbits.

AR226-2968 FOR DU FONT USE ONLY Du Font HLR 632-91 Study Title Approximate Lethal Dose (ALD) of in Rats Author John W.