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M 356 ~Z0 7 BIODEGRADATION (OECD 301E) TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

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AKAS6- 267 FlUO RIIW ED SDREAC1ANTS AND REPELLENTS RovSiseocdonadndEEdxitpioannded Erik Kissa W ilmiCngotnosnu, lDtaenltaware MARCEL OEKKER Marcel Dekker, In c.

f fi# - 3-T7 SRPT T-76UI MIN 315/022356 PERFLUOROOCTANESULFONYL FLUORIDE (POSF) T ~lbbl3> IN VITRO MAMMALIAN CHROMOSOME ABERRATION TEST IN HUMAN LYMPHOCYTES Sponsor 3M Center 3M Corporate Toxicology Building 220-2E-02 St Paul MN 55133-3220 USA Page 1 of 31 Research Laboratory Huntingdon Life Sciences Ltd Woolley Road Alconbury Huntingdon Cambridgeshire PE284HS ENGLAND Report issued 22 October 2002 001542 MIN 315/022356 CONTENTS Page CONTENTS................................................................................................................................ 2 COMPLIANCE WITH GOOD LABORATORY PRACTICE STANDARDS..................... 4 QUALITY ASSURANCE STATEMENT................................................................................... 5 RESPONSIBLE PERSONNEL................................................................................................... 6 SUMMARY................................................................................................................................ 7 INTRODUCTION.................................................................................................................. 8 TEST SUBSTANCE.............................................................................................................. 10 EXPERIMENTAL PROCEDURE......................................................................................... 11 ASSESSMENT OF RESULTS................................................................................................... 15 MAINTENANCE OF RECORDS.............................................................................................. 15 RESULTS.............................................................................................................................. 16 CONCLUSION........................................................................................................................... 17 REFERENCES............................................................................................................................ 18 :2 : 001543 MIN 315/022356 COMPLIANCE WITH GOOD LABORATORY PRACTICE STANDARDS The study described in this report was conducted in compliance with the following Good Laboratory Practice standards, with the exceptions stated below, and I consider the data generated to be valid.

7. cacreont dons Georjean L Adams ea ois 03/29/99 04:22 PM ConcaPosmay Corporate Product Responsibility an 290-O4-O1 TmTs Tel: 737-4795 Fax: 736-927B To: DavidA SonColrporeMgUSuGoMUCompSote To: cc: Sbjct Re:8Follupo-Fiwsh Subject: David A.

STATE OF MINNESOTA COUNTY OF HENNEPIN State of Minnesota, by its Attorney General Lori Swanson , Plaintiff, vs. 3M Company, Defendant.

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From: To: CC: Sent: Subject: Fletcher, Steven G CIV NAVSEA HQ, SEA 05 Corl III, William E CIV Chemist, LQAO, C1198; Willey, Janice L CIV SEA04X, LQAO Adelson, Jordan M CIV SEA04X, LQAO; Brown, Kim P CIV NAVFAC HQ, EV; Corack, Jennifer M CIV NAVFAC Atlantic, EV 3/15/2017 12:56:45 PM RE: Newly Discovered PFASs Ed, Thank you very much for the break-down for non-chemists.