Malinowski Corporate Counsel DuPont Legal Wilm ington Office Buildings 1007 M a rk e t Street W ilm ington, DE 19898 302-774-6443 Tel 302-774-4812 Fax andrea.v,malinowski@usa.dupont.com E-mail Attn: TSCA Declassification Coordinator U.S.

DuPont analytical chemists found that in both the1999 `and2000 bloodmonitoringcampaigns, thelowestcalisb tanrdaa rdutseidbo ythne lab `was 100 ppb.

U,eSe d0#" tiC * " ta accepted b' DuPont ?

AR226-2602 Ubel6.Laurence@epamaa.epa.gov on 12/01/200311:11:00 AM To: cc: AAnnddrreewaVSMHaaJrttnteonw/AsWE//ADEuP/DounPtonDtuPDounPtont, DavidMRurak/AE/DuPont@DuPont Subject: DomWak.Mary0epamall.epa.gov ' Hi Andrew, I hope you had a good Thanksgiving.

Auer, Director ` Office of Pollution Prevention and Toxics ~xzyo -o m roxmJ "--OipOi TO: Administrative Record File AR-226: PFOS, PFOA, Telomers & Related =* Chemicals On March 5, 2003, OPPTS management met with representatives of 3M, DuPont *>?

De verhoogde concentraties in de gemeente zijn waarschijnlijk het gevolg van verspreiding door de lucht van PFOA afkomstig van de fabriek van Chemours (voorheen DuPont) in Dordrecht.

Donote contsain TSCACBI HD Pages DUPONT SMDOG 000074

. _ _ , I A Special Purpose Committee of the SPI I The mission of the FMG is to promote the continued safe manufacture & use of fluoropolymers made using fluorinated polymerization aides (FPA) while establishing & supporting responsible care in the use of fluoropolymer products & minimizing the impact on the environment FMG Objectives for Meeting I Illustrate Necessity of the Continuing Safe Use of APFO I Demonstrate Industry's Safety & Health Awareness I Identify EPA Concerns FMG Members I Asahi Glass Fluoropolymers I Atofina I Ausimont I Daikin I DuPont & DuPont/Dow Elastomers I Dyneon (a 3M Company) Fluoropolymers & PFO Chem istry I APFO Vs.

Malinowski Corporate Counsel DuPont Legal Wilm ington Office Buildings 1007 M a rk e t Street W ilm ington, DE 19898 302-774-6443 Tel 302-774-4812 Fax andrea.v,malinowski@usa.dupont.com E-mail Attn: TSCA Declassification Coordinator U.S.

Environmental Protection Agency 1201 Constitution Avenue, NW Washington, D.C. 20004-3302 Phone: 202-564-8257 -~37 S '/ DuPont Legal Wilmington Office Buildings 1007 Market Street Wilmington, DE 19898 302-774-6443 Tel 302-774-4812 Fax andrea.v.malinowski@usa.dupont.com E-mail RE: AR-226: Letter dated March 7,2007 from DuPont (H.

* Ecotox = Mass Balance Summary on FPAs a Discussion and feedback Path forward y Fluoropolymer Manufacturers Group (FMG) A Special Purpose Committee of the SPI = Asahi Glass Fluoropolymers = Atofina Ausimont = Daikin = DuPont & DuPont/Dow Elastomers = Dyneon (a 3M Company) 5 @SR | Fluoropolymer Manufacturers Group (FMG) The mission of the FMG is to promote the continued safe manufacture and use of fluoropolymers made using fluoropolymer polymerization aids (FPA) while establishing and supporting responsible use of 3 fluoropolymer products and minimizing the impact on the environment FPA -- commercially available perfluoroalkyl carboxylate surfactants 6 Recap Fluoropolymers & APFO Chemistry # APFO vs.

TwAo YoAurOnl(Die)hToixicnity BAiOnoroogrenstiodcyAioyf Inc/3M Company. 6 Dupo 1261 IndAinAimpvaplePnieedriARdxe:viuew aResullts 7 0ppm (Group1) Dist fI [onsnsseaoT TT oT1wwi hee rn e n thers | er asoanreexs e--|| IT TT I CT A JIT Lmao Tz1 TT AT 7 wma om aes-- sons | fe] oo |woenome | sis ewer s s| I I TTT ----- I TT zlammaTEE mas [a snus | ro I [nn-scse7e|108s||w= irTHeIN tNORhciamrmesi,haves|| OS [inioe |ME Casco | oprses |re somw es s| 8 0ppm (G1r )-o contu inup ed Diai26t ex[|---- ; a [FEiEE ART 9 ee DuPont-15261 [irae Ti| winsUMo TS| me somes | 10 30prem Groep 6) Dare 15261 m |I moore LEA [maneleIwnmonesisers1gm] Pos Two aTne oe paFmRR | aan| EE1 un 30ppm (G6r)-coontuinnped DuPont-15261 rE [mooos | wommomsuu|rs soem| (Boel wT woeomeiuer | s sam| ToL.

EPA Leadership and Guidance for FPA Users and Manufacturers on Global Environmental Issues a Assurance from EPA that FPA can continue to be used b Assurance from EPA that FPA capacity can be replaced # Commitment to answer EPA's questions on fate and toxicity and to control releases a Responsibly deal with new information in timely fashion j EPA/FMG Meeting Agenda s Opening remarks Recap previous meeting a Toxicology Program Review Mammalian Pharmacokinetic Ecotox b Mass Balance Summary on FPAs b Discussion and feedback Path forward Fluoropolymer Manufacturers Group (FMG) A Special Purpose Committee of the SPI Asahi Glass Fluoropolymers a Atofina a Ausimont a Daikin a DuPont & DuPont/Dow Elastomers a Dyneon (a 3M Company) Fluoropolymer Manufacturers Group (FMG) The mission of the FMG is to promote the continued safe manufacture and use of fluoropolymers made using fluoropolymer polymerization aids (FPA) while establishing and supporting responsible use of fluoropolymer products and minimizing the impact on the environment FPA - commercially available perfluoroalkyl carboxylate surfactants Recap Fluoropolymers & APFO Chemistry APFO vs.

.*^) B No discharge of functionalized fluorochemlcal (F/F) I containing wastewater at Fayetteville I Process will result in discharge of <200kg/yr from DuPont Cham Works WWtP a No discharge of fugitive emissions at ground level s Air emissions will be minimized I Alt F/F will passed through scrubber with expected high efficienc | W 8 a" I 2?

. 7(7 14September 2000 AR 226 _0938 EPA/Fluoropolymer Industry Meeting ET------ 1 Introductions 1 Meeting Purpose 1 Introduction to the Fluoropolymer (FP) Industry 1 Fluorinated Processing Aids (APFO/PFOA) in Fluoropolymers 1 Discussion & Feedback Meeting Purpose rE ------ 1 Provide Overview of FP Industry 1 Who, What, How, Critical Uses 1 Open Communication Channels 1 Describe What Industry Is Doing 1 Determine EPA Expectations& Plans 1 Regulatory Actions 1 International Coordination 1 Discuss Next Steps S8 o3n SR o=zo 25ez55 % Contain NO is I Society of the Plastics Industry (SPI) Fluoropolymer Manufacturers Group (FMG), " 1 A Special Purpose Committee of the SPT #1 Tsahfee mmiasnsuifoancotfurtehe&FuMsGeoifs ftlouporroompootlyemtehres cmoantdienuuesding &flusourpipnoartteidnpgolryemseproinzsaitbiloencaariedeisn (tFhPeA)uswehiolfe establishing fluoropolymer products & minimizing the impact on the environment FMG Objectives for Meeting rr -- 1 Illustrate Necessity of the Continuing Safe Use of APFO 1 Demonstrate Industry's Safety & Health Awareness 1 Identify EPA Concerns FMG Members 1 Asahi Glass Fluoropolymers 1 Atofina 1 Ausimont 1 Daikin 1 DuPont & DuPont/Dow Elastomers 1 Dyneon (a 3M Company) Fluoropolymers & PFO Chemistry re-- 1 APFO Vs.