Dieter Berger, M.D., Professor Resident Physician Spital Mannedorf Asylstrasse 10 CH-8708 Mannedorf Switzerland e-mail: @hin.ch Private: Muhlebergweg 12 D-88410 Bad Wurzach To whom it may concern, Very recently I heard that the European Union plans to forbid fluorinated polymeres.

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AR226-2767 FOR DU PONT USE ONLY Copies to E.

An analysis of risk and socioeconomic impact for PFAS in rigid gas permeable contact lenses.

Study Sponsor: Issue Date: Document Reference No.: ELF ATOCHEM 15-Mar-95 258250 AR226-3011 Bacteria Growth Inhibition Author(s): H.

AR226-3116 on Life Sciences EEE Ed e al 3 rma e E E(R -- ae cho Cn Hl i B Lm e eme d hi ia| oni aCo Bloe l Saniai E e a ERe e e Le ae a a ah a yo LE 0e i on f l Lan 1 Lo : BEroaota o eR ER AE Si inaliHnL g ba e hn ra Toa rHEAA rden 1h .

Study Sponsor: Issue Date: Document Reference No.: ELF ATOCHEM 22-Apr-99 95/SAEK/0432/CKE AR226-3120 Algae Inhibition Author(s): Coll: H.

HRR26 _ 323) 403 ARR - 322] DuPont 5990 `TRADE SECRET Study Title with OneH-9-G02e-4n7De6ar8y:aGiaoSvnuabRgceehprrSootnduiudccytTiionoxniRcaEitvtsayluations Volume 3 of 5 Laboratory Project ID: DuPont-5990 TEST GUIDELINES: U.S.

MAz6 _ 3247 429 R226 - 32%7 Duron 9603 "TRADE SECRET Study Title H-25134: Inhalation Approximate Lethal Concentration (ALC) in Rats Laboratory Project ID: DuPort.9603 AUTHOR: Thomas A.

SSP Part 1 CONTACT DETAILS, MONITORING DATES & PERSONNEL This SSP (Site Specific Protocol) will be updated, if required to include feedback from each visit.

Fedeitil Register / Vol, 58, No. 115 / Thursday, June 17, 1993 / Notices 33477 WOW Dated: June 11, 1993.. .

Table of missing uses, necessary derogations and other identified uses (Questions 6b, 7 and 8) Application (incomplete list with current status) Pumps and valves in Oil and Gas Industry Liquefied gas transportation, storage and production Use Gaskets, seals, liners, wear parts in hydrocarbon upstream, midstream and downstream.

General remark for the figures below: "LUMIFLON" is the FEVE-based paint Figure 1: Results from Accelerated weathering test.

AR226-3064 DuPont HLR 904-96 BASKS&L LABORATORY VOS.