3M Specialty Materials 3M Center St.

TTT a Specialy Materials 3SuMPCaeunlteMrN 55144-1000 S17 0 Ae226-1717 May 11,2004 TSCA Non-Confidential Information Center (7407T) Office of Pollution Prevention and Toxics (OPPT) EDoPcAkeWteAstR-B2u2il6ding, Room B-146 1301 Constitution Ave., N.W.

BACK TO MAIN Study Title Soil Adsorption/Desorption Study of Potassium Perfluorooctanesulfonate (PFOS) Data Requirement Based on OECD 106 Author Mark E.

Date: Sat, 30 Aug 2003 07:17:34 -0500 "To: Charlie Auer,stevejohnson@epamail.cgpao.v ~From: rich purdy <rpurdy@pressenter.com> >Subject: postponing of risk assessment.

So i, 30 Specialy Materials June 15, 2000 ri S3tM.PaCualneMrN SS144-1000 AR296 - 0577 77/7 / Mr.

Genotoxicity, Carcinogenicity, Developmental Effects and Reproductive Effects of Perfluorooctanoate: A Perspective from Available Animal and Human Studies Prepared for the Association of Plastics Manufacturers of Europe and the Society of the Plastics Industry John L.

STUDY TITLE Extraction of Potassium Analysis Perfluorooctanesulfonaie from Red Blood Cells Using HPLC-Electrospray/Mass Spectrometry and Serum for 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: 814-272-1030 STUDY SPONSOR 3M Environmental Technology and Safety Services Building 23E-09 PO Box 33331 St Paul, MN 55133-3331 PROJECT Exygen Protocol Number: 01P-023-066 Exygen Study Number: 023.066 Total Pages: 98 C0120 Exygen Sudy No. 023.066 GOODLABORATORYPRACTICECOMPLIANCE STATEMENT EPexryfgleunorooctaSnuedsyulfonNautembferrom Re0d23.B0l6o6o,d Celclnsiaendd Ser"uBmxtfuocrtiAonnalysiosfUsinPgotHaPssLiCu:m BSalfeecttyroSseprrvaiyc/eMsa,sswaSspepcetrrfoomremterdy."

AR226-2171 ^'y Debbie J Mulrooney 08/02/2001 10:52 AM To: cc: Subject: carrington@mail.dep.state.wv.us Chris E Shoop/AE/DuPont@DuPont, Robert L Ritchey/CL/DuPontQDuPont, Robert F Pinchol/DEV/AE/DuPont@DuPont, Kart G Kronberg/AE/DuPont@DuPont, Andrea V Malinowski/AE/DuPont@DuPont Building Pile Chris, Here is a preliminary building file.

AR226-2218 c.h"SE-sh^p-11/-29000'1 "^p6 AM To: cc: Subject: Oebbie J Miilrooney/AE/DuPont@DuPont Re: Revised Spreadsheet [j Debbie, The semiworks facility has been operating since long before the permitting regulations were in place.

AR226-3155 TRADE SECRET Study Title H-23961: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-2923 DuPont-2923 AUTHOR: Carol Finlay, B.A.

TRADE SECRET Study Title H-24159: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Supplement No. 1 Laboratory Project ID: DuPont-4182 AR226-3217 AUTHOR: Carol Finlay, B.A.

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Self-Reported Medical Conditions in Perfluorooctanesulfonyl Fluoride Manufacturing Workers Final Report Bruce H.