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3M Specialty Materials Igfff December 20, 2001 3M Center St.

NATIONAL CENTRE FOR ECOTOXICOLOGY & HAZARDOUS SUBSTANCES A & A A .6 . l 3 Z REVIEW OF OCCURRENCE AND HAZARDS OF PERFLUOROALKYLATED SUBSTANCES IN THE UK A NON-CONFIDENTIAL OVERVIEW July 2001 CONTAIN NO CBI 000437 G K 009065 EID606425 REVIEW OF OCCURRENCE AND HAZARDS OF PERFLUOROALKYLATED SUBSTANCES IN THE UK A NON-CONFIDENTIAL OVERVIEW Research Contractor: This document was produced under contract by: Peter Fisk Associates 9, St Swithin's Road Whitstable Kent CT5 2HT Tel/fax: 01227 779 166 Environment Agency's Project Manager Steve Dungey National Centre for Ecotoxicology and Hazardous Substances Environment Agency Chemicals Assessment Section Isis House, Howbery Park, Wallingford 0X10 8BD, UK Fax: +44 (0)1491 828556 2 000438 GKO0 9 0 6 6 EID 6 0 6 42 6 CONTENTS 1.

RECiiiVEO O P P NC IC 200*4MAY 12 AH 9= 10 -4&224r mo FINAL REPORT PROTOCOL 418-028 ORAL (GAVAGE) COMBINED REPEATED DOSE TOXICITY STUDY OF T-7706 WITH THE REPRODUCTION/DEVELOPMENTAL TOXICITY SCREENING TEST SPONSOR'S STUDY NUMBER: T-7706.1 FINAL REPORT DATE: 31 JULY 2003 PROTOCOL 418-028 - ORAL (GAVAGE) COMBINED REPEATED DOSE TOXICITY STUDY OF T-7706 WITH THE REPRODUCTION/DEVELOPMENTAL TOXICITY SCREENING TEST SPONSOR'S STUDY NUMBER: T-7706.1 TABLE OF CONTENTS SUBJECT 1.

3M Companv EPI-0016 Page 1 of 30 FINAL REPORT Epidemiology Medical Department 3M Company S t Paul.

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.

STUDY TITLE Extraction of Potassium Perfluorooctanesulfonate from Mallard Serum and Mallard Liver 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.

BACK TO MAIN 3M FLUOROCHEMICAL SUBMISSION TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE November 2004 Click on Study Title to View Report November 21, 2004 POSF Perfluorooctanesulfonyl fluoride "Bladder cancer in Perfluorooctanesulfonyl Fluoride Manufacturing Workers," Bruce H.

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.

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

AR226-2106 Test R esults Sam ple Date Range Concentration Range Action Level Industrial Hygiene 1/1/79 1201/79 100% Sam ple Dt Sam ple 9 Duration ty p e Em ployee Name BTO : 08 TEFLON L 0 C : 016 MONOMER ANALYZER COMPUTER ROOM 11/15m 61389 z 11/26/79 61390 11/29779 61391 Z z P B Chemical 08 08 C-8 BTO: 08 TEFLON L O G : 701 FIN E P O W D ER D R Y E R -E A ST S ID E #2 2/12/79 62674 z 12/13/79 62675 z C-8 C-8 BTO: 08 TEFLON .

AR226-2268 T o: Catherine A Barton/AE/Du Pont@ DuPont co: Subject: Spruance C 8 A ssessm ent W ith the legal suit, you m ay want to talk with Legal and not create any docum entation that is not necessary-- Bob -----------Forwarded by Robert L Dunn/AE/DuPont on 03/28/2002 03:27 P M ------- Thom as V Robertson 03/28/2002 02:56 P M T o: Catherine A Barton/AE/DuPont@ DuPont cc: Robert L Dunn/AE/DuPont @ DuPont, W ayne C W alpole/AE/D uPont D uPont Subject: Spruance C 8 A ssessm ent P e r your request, in support of your work with Circleville, I am providing below a m em o docum enting the 1991 Spruance w astewater assessm ents for C8.