Pathology Review of Reported Tumorigenesis in a Two Year Study of FM-3924 in Rats November 25,1998 BY Pathology Associates International 6217 Centre Park Drive West Chester, Ohio 45069 Telephone (513) 779-9600 Fax (513) 779-9603 003093 US00004554 Pathology Review of Tumors Reported in Rats Given FM-3924 Introduction: This report presents an independent assessment of tumorigenesis data obtained from a study to determine the chronic toxicity and carcinogenic potential of the fluorochemical FM-3924 in rats.

&-&W- o*hf - lA.IS'Is i^f (<& ( QQ*) 4 > o o o IH Q , May 19, 1998 CONFIDENTIAL BUSINESS INFORMATION CERTIFIED MAIL TSCA Document Receipt Office (7407) Attention: 8(e) Coordinator Office of Pollution Prevention & Toxics U.S.