Northwest Bioanalytical Study No.

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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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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AR226-2219 EXD294947 Stock Parameters 1823A 815D 813D 1353A Pre-Existing 614A 614A 781 1553 2365A Seimworks Application Seiiiiworka Application Seimworks Application Sciniworks Application ' Vcni IDT61ZCE consists o f 18 onc-foot diameter vents.