PFOS ATTACHMENT TO LETTER OF JANUARY 30, 2002 3M FLUOROCHEMICAL SUBMISSION BIBLIOGRAPHY Perfluorooctanesulfonate Case MT, York RG, and Christian MS (2001).

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< BIO CO NCENTRATIO N - R EVISED AR2.3.G- IIO S TEST SUBSTANCE ____________________________________________ Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: Sample from 3M production lot number 217.

2003 APR 2*4 PH 2: 2 8 Vapor Pressure Determination: 8-2 Telomer B Alcohol D uPont report 12735 8-2 Telomer B Alcohol, C8F17CH2CH2OH: Vapor Pressure Test Guideline(s) Authors Mary A.

Telom er Research Program AR226-1422 Report Title: 1-Decanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluoroAcute Immobilisation Test (48h) to Daphnia magna STRAUS Limit Test with the Saturated Solution RECEIVED OPPT NCIC 2003 July 18 12:00PM Author(s): Martina Noack Contractor: Dr.

AR226-1433 DR.U.NOACK-LABORATORIUM FR ANGEWANDTE BIOLOGIE 1-Decanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10heptadecafluoro- Terrestrial Plants Toxicity, Seedling Emergence according to OECD Guideline 208 (Draft July 2000) Sponsor Telomer Research Project Asahi Glass Cl a r ia n t Da ik in In d u s t r ie s Lt d Du p o n t RECEIVED OPPT NCIC 2003 July 18 1:09PM Author Silke Fiebig Test Facility Dr .U.No a c k -La b o r a t o r iu m FR ANGEWANDTE BIOLOGIE Kthe-Paulus-Str. 1 D-31157 Sarstedt Laboratory Project ID Project-No. 020719CK Study-No.

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AR226-1539 ATTACHMENT 1 YEAR 2002 AIR DISPERSION MODELING ANALYSIS OF APFO EMISSIONS DuPont Washington Works Facility Parkersburg, West Virginia RECEIVED OPPT NCIC 2003 October 31 8:25AM Prepared by: DuPont Engineering Technology (DuET) Environmental Section Wilmington, DE 19898 October 17, 2003 Year 2002 Air Dispersion Modeling Analysis October 17, 2003 Page 2 1.

-4 ^ 226-/666 From: Dawn D Jackson on 08/21/2000 11:01 AM To: cc: Subject: Diane R Shomper/AE/DuPont@DuPont R Clifton Webb/AE/DuPont@DuPont, H David Ramsey/AE/DuPont@DuPont, G Irvin Lipp/AE/DuPont@DuPont, L Craig Skaggs/AE/DuPont@DuPont Re: 3M Announcement - Local Media Inquiries Cj Hi, Diane, Thanks for your response to my questions, but I am in need of clarification on the Corporate/FP standby statement about the 3M announcement.

AR226-1740 STUDY TITLE Extraction of Potassium Perfluorooctanesulfonate from Egg Membrane, Albumen, and Yolk for Analysis Using HPLC-Electrospray/Mass Spectrometry DATA REQUIREMENTS Analytical Method Requirements STUDY DIRECTOR Sean Gallagher STUDY COMPLETED ON September 06,2001 PERFORMING LABORATORY / TESTING FACILITY Centre Analytical Laboratories, Inc.

BIOCONCENTRATION - REVISED TEST SUBSTANCE____________________________________________ Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonicacid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: Sample from 3M production lot number 217.

Benchm ark Doses for Liver Tumors in Sprague Dawley Rats fed Perfluorooctane Sulfonic Acid Potassium Salt (PFOS) David W.

BACK TO MAIN 3M FLUOROCHEMICAL SUBMISSION TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE ATTACHMENT TO LETTER OF 1/18/05 Click on Study Title to View Report Multiple Chemicals Page: 1 1.