V Corporate Health Physics 3M Center, 220-2E-02 Corporate Occupational Medicine PO Box 33220 AH716- 0950 Corporate Product Responsibility St.

INTEROFFICE MEMORANDUM Date: From: Dept: Tel No: 15-Apr-1998 09:29am DAVID E.

AR226-1993 EID082732 iV g 6q i 'S`.'

AR226-3104 TNO-report V98.337 aented acute (4-hour) inhalation toxicity study with ~ | p rats TNO Nutrition and Food Research Institute Utrechtseweg 48 P.0.

AfLRa.6 _ 0&3i BIODEGRADATION (BOD/COD) TEST SUBSTAN CE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95 or as a component of FC-201AF. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR226-3371 DuPont Central Research and Development April 11, 1994 3M Center Bldg?

3M MMDICAL DEPARTTYIENT TOXICOLOGY SERVICES cc:John Butenhoff From: Marv Case Subject: Covance Study6329-222 Date: 27 July1998 On 22 July1998 when I was atCovance Madison, I reviewedthemicroscopiclivertissue sectionsof themonkeys on the4-week oralrangefmderstudyofPFOS (Covance study 6329-222).There was no evidenceof compound-relatedeffectisntheliveerven inthe highdose animals.Our toxicologyconsultanthsad askedthequestionwhetherthehigh dose monkeys had any evidenceoflivernecrosisor any othermicroscopicevidence adverselivereffects.The answer isnegative.

CORNINGHazleton Sponsor. 3M SL Paul,Minnesota 19@ 190 F9 5 FINAL REPORT Study Title: 5 DailyDose OralToxicitSytudywithT-6669inRats Author: SusanM.

BIODEGRADATION (MANOMETRIC RESPIROMETRY -ANAEROBIC) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh;i,ch may alsobe referredtoas PFOS, FC-95, or as a component ofFC-304 1. (1Octanesulfonicacid)(CAS # 2795-39-3).

INCORPORATED 200 GirardStreet,Suite200, Gaithersburg,MD 20877 301-921-0168 Fax: 301-977-0433 Client: 3M MEDICAL DEPARTMENT 3M CENTER BUILDING 220-2E-02 ST.

p. 1 -kR oU 6 36W 3M ENVIRONMENTAL LABORATORY REPORT NO.

DEPARTMENT OF TH E NAVY naval research labo rato ry 4555 OVERLOOK AVE SW WASHINGTON DC 20375-532Q in r e p l y n c r c n t o 3905 Ser 6180/0047 From: Commanding Officer, Naval Research Laboratory T: Commander, Naval Sea Systems Command (Code 03R42 E.

\ Page 1 o f3 ANGUS FIRE ARMOUR CORP - 41017EXT ALCOSEAL 3/6% @ AR-FFFP EXTINGUISHER GRADE ===================== Product Identification =======----- :-- !

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'he -` Oeeiei'ie t H i e /jienM iu A < lu. 1 12 b v 1 ; A ' - i-,; bNcvicr Seif net Publishers B V All nnhis reserved <XI()5-27(i<l/9;/S(jyiXl B13ALIP 54011 N 'C ;-- a " ': --p--s A.-,..-*-: -'-I The mechanism underlying the hypolipmie effect of perfluorooctanoic acid (PFOA), perfluorooctane sulphonic acid (PFOSA) and clofibric acid Bente Haughom and 0ystein Spydevold Institute o f Medical Biochemistry, Universi!}