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DRAFT m S .M - I& 7 Y Telomer Research Program 2003APR 2 ^ PM 2 : 0 7 LC/MS/MS Analysis of Articles and Products: Samples and Suggested Sampling Procedures Marilyn A.

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AR226-1486 ENVIRONMENTAL AND HEALTH ASSESSMENT OF PERFLUOROOCTANE SULFONIC ACID AND ITS SALTS August 20, 2003 Prepared by 3M in consultation with Jack Moore, D.V.M., DABT, Hollyhouse, Inc.

3M Strategic Toxicology Laboratory Study Title: Acute Inhalation Toxicokinetic Study of Perfluoroctanesulfonyl Fluoride (POSF) T-7098.4 Test Number (sample): , T-7098.4 (Perfluoroctanesulfonyl Fluoride (POSF) Laboratory Project Identification: ST64 In-Life Initiation Date: 5/1/2001 In-Life Completion Date: 5/14/2001 Research Client: 3M Specialty Materials Division 3M Center Building 236 Saint Paul, MN 55133-3220 Testing Laboratory: 3M Strategic Toxicology Laboratory 3M Center Building 270-SB-181 Saint Paul, MN 55133-3220 Study Director: Andrew M.

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

ATTACHMENT TO LETTER OF 12/05/05 3M FLUOROCHEMICAL SUBMISSION BACK TO MAIN 3M FLUOROCHEMICAL SUBMISSION TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE Click on Study Title to View Report Multiple Chemicals 1.

COMMENTS OF 3M COMPANY TO THE EPA SCIENCE ADVISORY BOARD PFOA REVIEW PANEL Contact: Geary Olsen, D.V.M., PhD.

SRPT T-6295.8, T-6889.1, T-6316.4 DTI 5-A 3M MEDICAL DEPARTMENT, CORPORATE TOXICOLOGY Title; Inter-Species Comparison of Mechanisms Fluorochemicai Toxicity following Intraperitoneal dosing of perfluorooctanesulfonate (PFOS, T-6295) or ammonium perfluorooctanoate (APFO, T-6889) in Rats and Guinea Pigs and oral dosing of N-ethyl perfluorooctanesulfonamido ethanol (N-EtFOSE, T-6316) in Rats.

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UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 MG 8 2000 Mr.

4r* 226-2047 Roger J Zipfel 07/27/2001 01:30 PM To: John E Crum/SE/DuPont@DuPont cc: Ta-W ei Fu/CL/DuPont@DuPont Subject Re: C-8 sampling Q John, this is very perplexing information.

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