Therefore, as a precaution DuPont is submitting the -oc d enclosed information to the 8(e) office, notwithstanding DuPont's firm belief that the ~: information does not trigger reporting obligations under that section o f TSCA.

AR226-3090 DuPont HL-1998-01380 HASKELALNLDAIBNODRUASTTORIRAYLFMOERDTICOIXNIECOLOGY H-230T0O5:FSATTAHTEIACD, AMCIUNTNEO9W6-SH, OPiUmRepShCaRleEspErNomINeGlasTEST PURPOSE: Tthesist cisonacreanntgraetfiionndsinagnsdtuddaytadmeseiagsnuerdemtoenptrsovaitdpereadneetesrtimmianteedoinf taeqruvaatlisc. toxicity using fixed GENERAL INFORMATION W O R KMHSRYAAEQNSTKEU0 NREELISYTALTMTLNNTSTTUU/ECMMTS0OTBBDEPEEEDERRS::::Qff^cm2--t3j 0g0gJ5/ fJ} ___ 3 NOTESBPOOONKSOIDR:: DuPont Specialty Chemicals NOTSEUBBCOMOOIMTKPTNOEURSMI'STBIOENR:j None available CONTAMINANTS: CAS R EPGUISRTITRYY:rNNoont esuapvpaliileadblbey sponsor.

It has now been determined that E.I. duPont has satisfactorily responded to the NOD.

Gueris - DuPont Food Contact Specialis t F .

EID747577 Charles J Zarzecki 02/21/2003 03:08 PM To: cc: Subject Catherine A Barton/AE/DuPont Receptor Grid Cathie, I imported the grid into Powerpoint.

DuPont de Nemours and Company (DuPont) has agreed to perform pursuant to the Consent Agreement and Final Order (CAFO) entered into between DuPont and the United States Environmental Protection Agency (EPA).

May 15, 2006 06HA 17 AH 6- 00 DuPont Haskell Laboratory for Health and Environmental Sciences Elkton Road, P.O.

Ann Bradley/STB/DUP@DUP, Laura R Walter/AE/DuPont@DuPont (bcc: Andrew S Hsrtten/AE/DuPont) Ohio River Data Summary Dave, As per your request, the following summarizes all available final Ohio River surface water sampling results.

Room 6334A Washington, DC 20004 Re: PFOA Human Health Effects Study: DuPont Worker Study Data ~ & 8 83 = Ig E= z2=5 = & Ladies and Gentlemen: In response to USEPA's request for available information regarding the potential threat to human healtorh the environment received from DuPont relating to tfhreopmrPelFiOmAin,arwyerhesauvletsaotftaictsheidnvceosptiiegsaotfitonwoof sets of slides health effects we `among its workers at its Washington Works Plant in Wood County, West Virginia, where PFOA `DhuasPobneetninusceodnjsuinnccteitohnew1i9t5h0as.puWbleicumnededrisatapnrdestehnattattihoenfitrostexseptloafisnltihdeepsr(eElxihmiibniatry1)rewsaulstsusaendd by that the second setofslides (Exhibit 2) was used by DuPont USEPA the same week to explain the preliminary results.

p. 1 P. 1 TSCA Document Processing Center July 28, 2006 Attn : Section 8(e)/FYI Page 4 of 5 Attachment 1 AR Z26 _ -37--34 Acronym code for Tables 1 and 2 In Tables 1 and 2, the following acronyms are used: acronym weanmg CW DuPont Chambers Works facility in De water, New Jersey FW DuPont Fayetteville Works facility in Fayetteville, North Carolina WW DuPont Washington Works facili in Parkersburg, West Virginia PFBA Perfluorobutanoic acid PFPeA Perfluoropentanoic acid PFHxA Perfluorohexanoic acid PFHpA Perfluoroh tanoic acid PFOA Perfluorooctanoic acid PFNA Perfluorononanoic acid PFDA Perfluorodecanoic acid PFUnA Perfluoroundecanoic acid PFDoA Perfluorododec anoic acid PFBS Perfluorobutane sulfonate PFHxS Perfluorohexane sulfonate PFOS Perfluorooctane sulfonate PFOSA Perfluorooctane sulfonamide p. 2 p. 7 N N O m N m N O N Q p ili a N vaavvvvvvaavv :g :e j (p F.+ V J O_ { fl 6 :2 v 13 vc~i 1 ~~ w n4~ ~ O~~Oa~ggNOCCaQ~~'J ~ ?

Send DuPont's method for C-8 in ambient air to Mitterberger and Kinnear. 3.

cc : Andrea Malinowski, DuPont e-n 111110-1 C81 E.I . du Pont de Nemours and Company

DuPont de Nemours and Company (DuPont) has agreed to perform pursuant to the Consent Agreement and Final Order (CAFO) entered into between DuPont and the United States Environmental Protection Agency (EPA).

The updated serum sampling results for workers at the above referenced DuPont site are for 2008.

CCAASInRdeegxisNtarmye:Number: CBI Information has been redacted Class Identifier: Polymer + Total Pounds of Sales Products containing sold in 2002 by DuPont in the United States was approximately pounds.