PFOS: A REPRODUCTION STUDY WITH THE NORTHERN BOBWHITE FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

/)/ea~/g5f STUDY TITLE Extraction of Potassium Perfluorooctanesulfonate from Red Blood Cells and Serum for Analysis Using HPLC-Electrospray/Mass Spectrometry DATA REQUIREMENTS Analytical Method Requirements STUDY DIRECTOR Sean Gallagher ANALYTICAL REPORT DATE June 2, 2003 PERFORMING LABORATORY / TESTING FACILITY Exygen Research 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Environmental Technology and Safety Services Building 2-3E-09 PO Box 33331 St.

A226r/qo3 SRPT T-6295.8, T-6316.4, T-6868.2, T-7071.1, T-7132.1 DT15-B 3M MEDICAL DEPARTMENT, CORPORATE TOXICOLOGY Title: Comparative Molecular Biology of Perfluorooctanesulfonate (PFOS, T-6295), N-ethyl perfluorooctanesulfonamido ethanol (N-EtFOSE, T-6316), N-Ethyl perfluorooctanesulfonamide (N-EtFOSA, T-6868), Perfluorooctanesulfonamido acetate (FOSAA, T-7071), and/or Perfluorooctanesulfonamide (FOSA, T-7132) of in Rats and Guinea Pigs following Oral dosing.

AR226-2151 To: Andrea Malinow ski/DPL/DUP@ DUP, Bernard J Reilly/AE/DuPont@DuPont, Stephen H Korzeniowski/DuPont@DuPont, Jim E Pesek/AE/DuPont@DuPont, Robert C Buck/DuPont@DuPont.

AR226-2297 David M Rurak 02/10/2003 06:52 PM To: Seiichi Tanaka/PO/DuPont@DuPont cc: Ta-Wei Fu/CL/DuPont@DuPont, Hidetaka Hiromatsu/PO/DuPont@DuPont, Katsunosuke Kitagawa/PO/DuPont@DuPont, Kazuaki Suzuki/PO/DuPont@DuPont, Akito Abe/AE/DuPont@DuPont, Catherine A Barton/AE/DuPont@DuPont Subject: R e : CEG Calculation at Shimizu Site D Tanaka-san, Please allow me to clarify a couple of items: 1) First of all, the C E G is not calculated for a plant site.

APPENDIX 2 AR226-2379 ANALYTICAL TECHNIQUE USED TO DETERMINE C-8 CONCENTRATION IN AQUEOUS SOLUTION The basis for the analytical technique used to determine the C-8 concentration in an aqueous solution was Polymer Products Department method Code No.

AR226-2512 puLu : I J . ' L` Hidetaka Hiromatsu 04/02/2002 09:04 AM To : Andrew S Hartten/AE/DuPont@DuPont c c : David M Rurak/AE/DuPont@DuPont, Seiichi Tanaka/PO/DuPont@DuPont, V ic E Kleinfelter/AE/DuPor*t@DuPont, Etsue Takanouji/DuPont@DuPont, Koichi lnagaki/PO/DuPont@DuPont, Kazuaki Suzuki/PO/DuPont@DuPont, Katsunosuke Kitagawa/PO/DuPorrt@DuPont, Kazuaki Yokoyama/PO/DuPont@DuPont, Susan L Skrotsky/AE/DuPont@ DuPont, Shikiho ltaya/PO/DuPont@DuPont, George H Senkler_Jr/AE/DuPont@DuPorttr Diane R Shomper/AE/DuPont@DuPont, Ta-W ei Fu/SE/DuPont@DuPont, O scar T Garza/AE/DuPorrt@DuPont, Isidores J Zanikos/AE/DuPont@DuPont Subject: Re: APFO vs.

AR226-2732 The miracles o f science" Study Title MODELING RELEASES OF AMMONIUM PERFLUOROOCTANOATE INTO THE OHIO RIVER Author William R.

TRADE SECRET AR226-3169 DuPont-5019 Study Title H-24615: Static, Acute, 96-Hour Screening Test with Pimephalespromelas Laboratory Project ID: DuPont-5019 AUTHOR: Robert A .

^Catherine E.

NORTHERN KENTUCKY OFRCE SUITE 340 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 606-331-2638 513-361-2838 FAX: 513-381-6613 DAYTON, OHIO OFFICE SUITE 900 110 NORTH MAIN STREET DAYTON, OHIO 45402-1786 937-228-2638 FAX: 937-228-2816 R o b e r t A.

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Katherine E.

P-1 finz-s'ny .

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 238586 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.