Katherine E.

*4 &2ZC- 0 3,,C:c; Bernard J Reilly on 05/07/2001 08 38 AM i 33 15/gusm a edu r - a ty ^ w im n^tcntrust com, esioia@ thefoliogrsup com, rm rsillygbellatla ntic net May -i 3err Lovely day, was cmliy with frost at 0430.

Page 1 FINAL REPORT Epidemiology, 220-3W-05 Medical Department 3M Company St.

February 11, 2005 NV I RO N Dr.

3M General Offices 3M Center F St.

AR226-2555 Robert F Pinchot 05/11/2000 07:31 A M ______ To- David M Rurak/AE/DuPont@PuPont, Michael McCord/AE/DuPont@DuPont, Robert J Cavanaugh/DuPont@DuPont, Luk Q'Haenens/UR/DuPont@DuPont, Roger J Zipfel/AE/DuPont@DuPont, Anthony J Playtis/Cl/DuPont@DuPont, Arie J Vermeulen/6UR/DuPont@DuPont, Gerald L Kennedy/AE/DuPont@DuPont, William R Berti/Ai/DuPont@DuPont, John Gannon/AE/DuPont@DuPont, Robert L Rltchey/GUDuPont@DuPont, Andrew S Hartten/AiyDuPont@DuPont, Susan S Mileti/DuPont@DuPont co: Andrea V Malinowski/A/OuPont@DuPont, Maurice Astorga/AE/DuPont@DuPont, Richard J Angiullo/AE/DuPent@DuPont, Bernard J Reilly/AE/DuPont@DuPont, Gary W Jepson/AE/DuPont@DuPont Subject: PFOA EPA Request As many of you know, the Office of Pollution Prevention and Toxics in the US EPA has requested that DuPont supply a large amount of information on Perfluorooctanoate (PFOA or G-8).

Katherine E.

3M Katherine E, Reed.

DuPont-19567 Review II: Perfluorooctanoic Acid (PFOA) In The Environment John T.

Health Alert Archive: Minnesota Department o f Health 37O p.1 Page 1of 4 Minnesota Departimiit of'Health- ....

ATSttCn:A SDeocctuiomne8n(et)P/FroYcIessing Center Attachment 1 P-1 P-1 July 28,2006 Page 4 of 5 M Z26 _373J- Acronym codefor Tables 1 and 2 In Tables 1 and 2, the following acronyms are used: acronym meaning CW FW WW DuPont Chambers Works facility in Deepwater, New Jersey DuPont Fayetteville Works facility in Fayetteville, North Carolina DuPont Washington Works facility in Parkersburg, West Virginia PPPFFFHPBeAxAA PFHpA PPPPFFFFOUDNnAAAA PFDoA PFBS PPPFFFOHOSxSSA PPeerrfflluuoorroobpuentatannooicicaacicdid Perfluorohexanoic acid Perfluoroheptanoic acid Perfluorooctanoic acid Perfluorononanoic acid Perfluorodecanoic acid Perfluorotmdecanoic acid PPPeeerrrfffllluuuooorrrooobhdueoxtdaaennceaenssuoulilfcfooanncaaitdtee Perfluorooctane sulfonate Perfluorooctane sulfonamide Attachment 1 Spaed Matrix Lab Blank 1 cw # P % cw p 3 cw n m 34 CW (DUPLICATE) c w v 5 cw i cw < P * CW 7 cw qp ( CW WG18817-102 Y2 WG18817-101 Y1 L8789-1 Y1 LB789-2 Y1 L87B9-3 Y1 WG18817-103Y1 L8789-4 Y1 L8789-5 Y1 LB789-5 Y1 LB789-6 Y1 L8789-7 Y1 L8789-8 Y1 % Recovery ng/mL ng/mL ng/mL ng/mL ng/mL ng/mL ng/mL ng/mL ng/mL ng/mL ng/mL WQ18817 W Q 18817 WQ18817 WQ18817 WG18817 WG18817 WG18817 WG18817 WG18817 WG18817 WG18817 WG18817 PFBA 81.2 ND ND ND ND ND ND <1.44 <1.44 <1.44 NO ND PFPeA 79.0 ND ND ND ND ND ND ND NO ND ND ND PFHxA 85.8 ND 1.82 ND <0.900 <0.900 ND ND ND <0.900 ND <0.900 PFHpA 83.5 ND ND ND ND ND <1.41 3.71 3.71 11.7 6.91 ND PFO A 110 ND 7.71 9.72 24.1 21.6 42.8 13.4 13.4 111 56.7 26.6 PFNA 11B ND 4.28 2.90 7.10 6.78 18.3 4.22 4.22 53.1 29.2 2.37 PFDA 115 ND <1.06 <1.08 1.64 1.51 8.47 1.82 1.82 13.5 7.47 <1.08 PFUnA 128 ND <1.02 <1.02 2.37 2.60 1.70 <1.02 <1.02 3.99 1.55 ND PFDoA 60.9 ND ND ND <0.600 <0 600 0.943 <0.600 <0.600 1.10 0.737 ND PFBS 94.8 ND ND ND ND ND ND ND ND ND ND ND PFHxS 104 ND <3.72 <3.72 39.1 33.5 <3.72 <3.72 <3.72 4.28 <3.72 3.81 PFOS 112 ND 51.1 35.3 68.2 58.0 25.7 35.0 36.0 39.0 53.8 36.8 PFO SA 73.5 ND ND ND ND ND ND ND ND NO ND ND Attachment 1 PFBA PFPeA PFHxA PFHpA PFOA PFNA PFDA PFUnA PFDoA PFBS PFHxS PFOS PFOSA tp // CW ^ k F w t f f lV L8789-9 Y1 LS789-10Y1 L8789-11 Y1 ngftnL ngAnL WG1B817 WG18817 ngAmL WG18817 ND ND NO ND ND ND ND ND ND NO 1.48 ND 12.9 13.0 28.3 <1.53 3.97 2.28 ND <1.08 <1.08 ND <1.02 <1.02 ND ND ND ND ND ND <3.72 <3.72 6.64 30.7 46.9 37.2 ND ND ND t-2.

P-1 TSCADocument Processing Center Attn: Section 8(eVFYI yf fL 7 - 7 i- 3 7 3 S Attachment 2 p- 2 July 28,2006 Page 5 of 5 Axys Analytical Services Laboratory - Form 1A and Form 2 (2 pages) P-2 P-3 s r.......... 7 ' "r *'*.".* *'"' ______;______

3M 3M Corporate Toxicology and Regulatory Services 3M Center, Building 0220-06-E-03 St.

Taft Stettinius & Hollister LLP 425 Walnut Street, Suite 1800/ Cincinnati, OH 45202-3957/Tel: 513.381.2838/ Fax: 513.381.0205/ www.taftlaw.com Cincinnati / Cleveland / Columbus / Dayton / Indianapolis / Northern Kentucky / Phoenix / Beijing Robert A.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 238585 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 07/29/2005 Signature Name: Richard C.