AttX-03%3 ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: athPoceeinadrfse,luic1Poo,Fr1soD,ad2Sfe,l2u,c,oaF3rn,Co3e--,s,14u2a,4l0mf,o,5mno,5aor,tn36eiM,,u6am,7Sm,as7mma,8oitp,,n8leiC,u9AmJ,29S9,s1#0a05lt6,;-171m09.

AfiOX-O 45/ C O R N IN G Hazleton Sponsor. 3M S t Paul, Minnesota FINAL REPORT Study Title: 5 Daily Dose Oral Toxicity Study with T-6669 in Rats Author: Susan M.

f y i - o r o o - /3 7 < f Attachments to Letter to C.

f t RjUCt O50< ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorooctanoic acid; may also be referred to as PFOA, FC26, or FX-1001.

f porporate Toxicology and Regulatory Services 3rv, e lUilding 0220-02-E-02 St.

AR226-2095 t : > Test Results Industrial Hygiene Sample Date Range U te s 12/31/95 Concentration Range Action Level 100% iCCeftSSASDiWULa Sam ple* DuuuiruautivoaneT*ve fTMr**a*ft,int*ov^*e**e"N^*a*a**ii P e is Chem ical BTO: 08 TEFLON LOG: 113 P/S - SHIFTMECHANIC(58MD) 4/495 21067 420 P S8MD e-a/Fc-143 BTO; 06 TEFLON LOG : 706 P/S-FINE POWDER PACKOUT(O0PJ) 3/8/96 20968 405 P 3/8/95 20969 405 P none C-a/FC-143 06PJ C8/FC-143 BTO: 06 TEFLON LOG 731 M S - INSIDE F.P.

AR226-2134 C o CL QZ J m Xd) e> (T i\ o rsi o rH o' H rM 0vPs vCT* 0sps I O N KO CM t -H h Comparison of DuPont with C COL C3 clnn -sO sP 0s o'- o" rCNoI ii--nI nt--I os O'00 ^K0sDa ' VD (N vjD CD Zc/>> OLL X*CrD:3 CD -CMO CL E < LU X<Ju w X3 C mV(WD) X(U t3j U O PQ ro q , 4c-n1 Cr l- cu OJ - Dei Q CONFIDENTIAL This document is 1 subject to restriction by order o f the Circuit Court of Wood County, West Virginia, Case No. 0 1-C-608, and may not be copied or disseminated except by Order of the Court.

AR226-2255 Chris E Shoop 02/08/2002 03:23 PM To: Debbie J Mulrooney/AE/DuPont@DuPont cc: Robert F Pinchot/DEV/AE/DuPont@DuPont, Stephen J Gissy/AE/DuPont@ DuPont, Roger J Zipfel/AE/DuPont@DuPont S ub ject Re: C8 2001 Emissions O Debbie, I have calculated emissions for 2001 but the emitted amounts are not broken out by emission point.

AR226-2438 .

AR226-2446 ZIPFEL 08/05/97 01:38 PM To: BRANDERA A T A1 AT EU0IS2 , KRONBERG , MORGANRA , AL, CHAPMAGA cc: DAUBEC, MAASJP Subject: Can you help explain the attached In the follow-up to a finding at Dordrecht, we analyzed the Ho. 2 Wet ^ finishing line every 30 minutes for 2 hrs for C-8 and % moisture.

AR226-2463 'A V A y.W .S V -W ^\\\\V .W A '`.V.

AR226-2513 l Andrew S Harttcn 04/01/2002 11:08 AM T o : Hidetaka Hiromatsu/PO/DuPont@DuPont c c : David M Rurak/AE/DuPont@ DuPont, Seiichi Tanaka/PO/DuPont@ DuPont, V ic E Kleinfelter/AE/DuPor>t@DuPont, Etsuo Takenouji/DuPont@DuPont, Koichi lnagaki/PO/DuPont@DuPont, Kazuaki Suzuki/PO/DuPont@ DuPont, Katsunosuke Kitagawa/PO/DuPont@ DuPont, Kazuaki Yokovama/PO/DuPorrt@DuPont, Susan L Skrotsky/AE/DuPont@ DuPont, Shikiho itaya/PO/DuPont@ DuPorrt, George H Senkler_Jr/AE/DuPont@ DuPorrt, Diane R Shom per/AE/DuPont@ DuPont, Ta-W ei Fu/SE/DuPont@ DuPont, O scar T Garza/AE/DuPont@ DuPont, Isidoros J Zanikos/AE/DuPont@ DuPont Sub ject: R e: A PFO v s .

AR226-2520 Stephen R Peck 11/12/02 02:08 PM To: Ronald V Crosmun/CL/DuPont@DuPont cc: John E Crum/SE/DuPont@DuPont, Ta-W ei Fu/SE/DuPont@DuPont, Leo M Lech/DuPont@DuPont, Thomas W Mahlberg/SE/DuPont@DuPont, Mark E Reeder/SE/DuPont@DuPont Subject: Eureka!

% FOR DU PONT USE ONLY AR226-2935 Du Pont HLR 801-88 Study Title Skin Irritation Test in Rabbits o Author William J.

AR226-2956 FOR DU POUT USE ONLY Du Pont HLR 214-91 Study T itle Eye Ir r it a t io n Test with in Rabbits Author John W.