(DuPont PV Study, 2020; OECD, 2022; GSPI, 2021) Numerous uses of fluoropolymers are documented in solar panel manufacture and use.

DuPont Haskell Laboratory for Health and Environmental Sciences TO: FROM: M R FPL!

MOLYKOTE D-6600 Anti-Friction Coating: A new and innovative coating for service life dry lubrication of engine starter plungers DuPont Molykote April 2020 Application engine starter plungers Service life of engine starter plungers can be simulated on a SRV test machine with methodology defined and agreed with a major starter Tier 1 supplier 2 DOW RESTRICTED Low-pressure steel/steel material pairing test: Conditions Durability test Simulation of service life of passenger cars engine starters (linear contact, 100 N/mm2) SRV 5 test conditions Specimen arrangement Movement type Coated specimen Cylinder material (name = Zylinder-Rolle) Disc material (art # 291.150.00, Rz=0.45/0.65) Cylinder radius Cylinder length A) load corresponding to 100 N/mm2 SRV stroke SRV cycle stroke Frequency Speed Test length (corresponding to total sliding path) Cylinder vs. disc Along cylinder axis Disc 100Cr6 100Cr6 7.5 mm 22 mm 45 N 4 mm 8 mm 40 Hz 0.32 m/s 10.4 h 3 Low-pressure steel/steel material pairing test: Results SRV durability test - time to seizure [h] 44% longer 12.0 durability 10.0 8.0 6.0 4.0 2.0 0.0 D-708 D-709 D-7405 D-6600 SRV durability test - dynamic coefficient of friction 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 D-708 29% lower friction level D-709 D-7405 D-6600 MOLYKOTE D-6600 AFC Wear scar after test 4 Low-pressure: comparison PTFE vs MoS2 based AFCs SRV, linear contact, 100 N/mm2, blasting SRV low pressure durability test [h] 12.0 10.0 8.0 6.0 4.0 2.0 0.0 D-7409 106 D-6600 D-7409 D-6600 7.5 h 5 10 h Medium-pressure steel/steel material pairing test: Conditions Durability test Simulation of an automotive application (linear contact, 250 N/mm2) Cylinder (diameter: 11 mm; length: 15 mm) Disc (100Cr6) Parameters: - Stroke: 3 mm - Frequency: 25 Hz - Load: 130 N - Contact pressure (theoretical): 250 MPa - Room temperature conditions - Dry lubrication (only AFC) - AFC applied on disc - SRV III DC test machine - Pretreatment: Mn-phosphating 6 Medium-pressure steel/steel material pairing test: Results SRV durability test - time to seizure [h] 860% longer 60.0 durability 50.0 40.0 30.0 20.0 10.0 0.0 D-708 D-709 D-7405 D-6600 SRV durability test - dynamic coefficient of friction 0.30 20% lower 0.25 friction level 0.20 0.15 0.10 0.05 0.00 D-708 D-709 D-7405 D-6600 MOLYKOTE D-6600 AFC Wear scar after test 7 Thank You The information contained in this communication does not constitute an offer, does not give rise to binding obligations, and is subject to change without notice to you.

Boutonnet English Translation of Report Summary for DuPont Chemical Solutions-Enterprise 27-Jan-03 Company Sanitized.

AR226-2653 43 AR226-2653 ISC Modeling Methodology and Results Introduction This report summarizes dispersion modeling that was completed for the DuPont Washington Works facility to demonstrate that the emission limits included in Permit Application 1823C for the Thermal Converter complies with the C-8 assessment oftoxicity (CAT) recommended airborne screening level of 1.0 ug/m3 at the property line fence.

- 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 the Treasury (including the Chancellor of the Exchequer, ministers, under secretaries, and senior officials) and the organisations fisted below since January 2023 to the present date: Major companies: ACC 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 FluoroCouncil Chemical Business Association Fire Industry Association" We have considered your request under both the Environmental Information Regulations 2004 (the EIRs) and the Freedom of Information Act 2000 (the FOI Act), on the basis that the information in scope of your request includes information which falls within the definition of 'environmental information' as stated in the EIRs, as well as information which does not fall within this definition.

The concentrations in products are about the same (AR226-1042, MSDS of DuPont, Daikin and Clarient).

We indicated that further studies by DuPont and 3M would be undertaken promptly to determine the sig n ifica n ce , i f any, o f the findings as they might relate to employee exposure.

REACH restriction process: February 2023 March 2023 - September 2023 2023-2025 2025/2026 Public consultation on the proposal is running until 25 September In this consultation stakeholders can provide info and data to the scientific committees RAC and SEAC Our role in the Public Consultation Belgium coordinated comments are being submitted to the consultation Include data on emissions and monitoring from the regional authorities Also market studies from federal authorities Coordinated via the CCIM PFAS Working group Subgroup of the CCIM Chemicals steering group Belgian input is being approved by the Belgian REACH Committee (BCR) BCR already organized 2 stakeholder meetings on the PFAS topic Main message we give the Industry: send you info to the Public Consultation Chemours Spinoff of former company DuPont Producer of fluoropolymers and fluorinated gasses Fluoropolymer production site in Dordrecht (NL) Production of coatings and other advanced materials in Mechelen (BE) In 2017: pollution of Gen(X) (specific PFAS) was uncovered in Dordrecht Since then: Chemours have invested in safer production and water purification at Dordrecht site However concerns remain on certain waste streams and end-of-life of their products

BHAIs curently a. () 0 11 MR 283241 mBeHmAbmraannuef-abcatsureedsparondducmtasr.keBtHsA"epxupracnhdaesde"s proalwytPeTtFrEafflluuoorrooeptohlyylmeneer (reePsTinFE#)6014) from DuPont temperature) and processes it to create ePTFE.

Jepson The DuPont Company, Haskell Laboratory for Toxicology and Industrial Medicine, Newark, Delaware, USA Hjj Introduction Perduorooclanoic acid (PFOA) is a fluoroorganic surlaclant used in fluoropolymer processes.

ARRAG -- | 3] 3 2= e3m2 S3 ZB3o5 =x 35 FLUORINATED SURFACTANTS IN FIRE FIGHTING FOAMS: ANY INPUT FOR WATER MIST TECHNOLOGY Martial PABON, PhD DuPont de Nemours (France) Chantereine, Mantes le Ville F-78202 Mantes la Jolie Cedex & | Structure of a fluorinated surfactant Hydrophilic head | L.A nar perfluorinated chain Ex.

A few points of clarification regarding this request: >duPont need not resubmit copies of studies already provided to EPA (e.g., under TSCA 8(e), I as FYIs, under FIFRA) although we do request that you provide a comprehensive bibliography of the studies already submitted so we can check this against our holdings.

B M . 3 K A 8 0 d f t Wrfi`U H M * - W t t - J 31-(0)tS -S *> 0S21 DUPONT DE NEMOURS (NEDERLAND) B.V.

C-8 found in blood of DuPont workers, Workers with blood C-8 found to have normal Birth defects scare additional sampling.