S A N IT IZ E D AR jU -co3 $ i REPORT EXPLORATORY 28-DAY ORAL TOXICITY STUDY WITH TELOMER ALCOHOL, TELOMER ACRYLATE PFHS AND PFOS (positive control) BY DAILY GAVAGE IN THE RAT FOLLOWED BY A 14/28-DAY RECOVERY PERIOD NOTOX Project 242933 NOTOX Substances 83484, 83493, 83502, 84456 and 84141 3M Test No.

3M MEDICAL DEPARTMENT CORPORATE TOXICOLOGY ARUrO/50 To: Andrew Seacat 220-2E-02 cc: John Butenhoff 220-2E-02 From: MarvCase 220-2E-02 Subject: Pathology Review Date: 22 July 1999 On 19 July 1999 during my visit at Covance, Madison, I did a slide review of selected tissue sections on the PFOS six-month monkey toxicity study (Study 6329-223).

IN VITRO MICROBIOLOGICAL MUTAGENICITY ASSAYS OF 3M COMPANY'S COMPOUND T-3610 Final Report September 1984 By: / O j u ^ i i L L Debra E.

A ftu 6 -c > 3 7 3 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (E.G.

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\ CAS Number 307-35-7 4i M _aT7<s Voluntary Use and Exposure Information Profile Perfluorooctanesulfonyl fluoride (POSF) I.

CAS Number 754-91-6 3M Company M 6_T77 Voluntary Use and Exposure Information Profile Perfluorooctane sulfonamide I.

M 226 _ 077} ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE____________________________________________ Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-203FC. (1Octanesulfonic acid) (CAS # 2795-39-3).

A ft 9l8l6 - 077g BIODEGRADATION (301E) TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206. (1Octanesulfonic acid) (CAS # 2795-39-3).

M aq.6 _ 0 7 2 7 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206 or L3243. (1-Octanesulfonic acid) (CAS # 2795-39-3).

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AKlK> _ I07 'fi\2 m & d - k o UNITED STATES ENVIRONMENTAL PROTECTION WASHINGATGOENNDC.YC., 20460 APR %5 2 ro OFFIC " F PREVENTION, P CIDES AND TOXIC SU \NCES NOTE SUBJECT: Summary of March 7, 2001, meeting with Fluoropolymer Manufacturing Group TO: AR-226 FROM: Mary F.

Interim Report #2 Epidemiology, 220-3W-05 Medical Department 3M Company St.

AU V IS _ IO'1 3M Company Page 1 of 121 FINAL REPORT Epidemiology, 22-3W-05 Medical Department 3M Company St.

2002 SEP 25 AM 9* 29 A The Society of the Plastics Industry, Inc 1801 K Street, N.W., Suite 600K Washington, D.C. 20006 202.974.5233 / 202.293.0005 (fax) aweidman@socplas.org Allen C.