TAFT, STETTINIUS 8 HOLLISTER LLP 425 WALNUT STREET, SUITE 1800 CINCINNATI, OHIO 45202-3957 513-381-283a FAX: 513-381-0205 www.taftlaw.com ROBERT A.

{' I ' To; Ckx^Jt- GoLny^AC- . .

AR226-2686 CO AR226-2686 Perfluorinated Surfactants 'Dupont / UvA / RIKZ Meeting, 07-05-200; "Perfluorinatecr" surfactants A desk study on the use and environmental effects of perfluorinated surfactants in the Netherlands Floris Hekster & Pirn de Voogt A desk study commissioned by the Dutch Ministry of Transport, Public Works ____ ____ ___and Water Management ____ EID676803 Perfluorinated Surfactants 'Dupont / UvA / RIKZ Meeting, 07-05-2002 Outline of the presentation -y Goals ne ble of contents report / Methodology Available knowledge Remaining questions/ uncertainties A desk study commissioned by the Dutch Ministry ot Transport, Public Wolks ____ __ and Water Management ______ ___ EID676804 Perfluorinated Surfactants ' Dupont / UvA / RIKZ Meeting, 07-05-20 The study has three major goals 1.

AR226-2702 24 AR226-2702 TORONTO WORKSHOP MATERIALS September 13-14,2004 Atmospheric Chemistry of Fluorotelomer Alcohols (Part 2) Robert Waterland DuPont Engineering Research & Technol Wilmington, DE Outline do we for a initial gas phase reaction kinetics m photolysis of FTOHs do we a role of HOx and N0^ photolysis of fluoroaldehydes we heterogeneous chemistry know?

AR226-2707 29 AR226-2707 American Society of Mass Spectrometry (ASMS) Summary of DuPont Presentations ASMS Annual Meeting, 2004 Quantitative Determination of Extractable PFOA in Textiles and Carpets by LC/MS/MS Michael P.

AR226-2896 E.

AR226-3112 Humingdon ABIOTIC DEGRADATION: HYDROLYSIS AS A FUNCTION OF pH (PRELIMINARY TEST) Sponsor DuPont Specialty Chemicals Jackson Laboratory Chambers Works Deepwater NJ 08023 USA Research Laboratory Huntingdon Life Sciences Ltd Eye Suffolk IP237PX ENGLAND Draft: 23 December 1998 Final: 2 February 1999 Bffi'Bpas'iSlyanHteed.

AR AR6- 3233 405 _-- - TRADE SECRET Study Title H9-02-47D6a8y:GaSvuabgcehrSotnuidcyTionxRiactisty with One-Generation Reproduction Evaluations Volume 5 of 5 Laboratory Project ID: DuPont-5990 HRaze - 2225 oDwupoe5s590 TEST GUIDELINES: OU.PS.PTESP8A70He.a3l1t0h0E(f1f9e9c8t)s Test Guidelines AUTHOR: Susan A.

Fr AR226-3267 ~~ `DuPonstodHaEsvkeilrloLnambeonrattaorSyeefnorceHesalth AR226-3267 March 6, 2003 wl) To sxrsufmagrocie nases FROM. 1.C.Muska ANCE STAB : ~~ Medical Resere rec Number: [mm] HHaasskkeellllSRaemfperleencNeumSbteanrdsard Number 22554025 AAnnaallyyttiiccaallRTeepsotrCtodNeo:raber CuHA20y03.032 Notebook References: [mm] FApotertrafccothrvemdedpius1rtphosseaesn.aylytpircoatlocroelposretqfuoiretmheensttsudfyodoesnttisfuibsdtaabnocvees,abTlhiityabnaultymsiasywaalssobe" used .

I I PFOS: A 96-Hour StaticAcute ToxicityTest with the Freshwater Mussel (Unio complamatus) I ACUTE TOXICITY TO AQUATIC INVERTEBRATES MUSSEL) (FRESHWATER TEST SUBSTANCE Identity:Perfluorooctanesulfonatmea;y alsobe referredtoas PFOS or FC-95. (1-Octanesulfoniaccid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium saltC,AS # 2795-39-3) Remarks: The testsubstance isa whitepowder.

Final BiologicalPhase Report Metal-)oli.

ARRRE SHA ~ !

ARARGZH A> fl ] - 000230 |. |: > || i | | | | | ) ~.

14) OECD 202-OPPTS 850.1010, 48-hour static acute toxicity test with the Cladoceran (daphnia magna), 454A- 118A , PERFLUOROBUTANE SULFONATE, POTASSIUM SALT (PFBS): A 48-HOUR STATIC ACUTE TOXICITY TEST WITH THE CLADOCERAN (Daphnia magna) FINAL REPORT SAN ITlZED WILDLIFE INTERNATIONAL, LTD.

3M ENVIRONMENTAL LABORATORY METHOD ANALFYLSUIOSROOFCPHOETMAISCSAILUCMOPMEPROFULNUODRSOIONCUTRAINNEESEUXLTFROANCATTSE UOSRIONTGHER HPLC-ELECTROSPRAY/MASS SPECTROMETRY/MASS SPECTROMETRY Method Number: ETS-8.97.0 Adoption Date: F-2B-49 Author: Lisa Clemen, Robert Wynne, GlennLangenburg Approved By: 7 /3.