Document 9KzJLVe1r1LR099eqQyoR4g7

RRGUS-UIITCD ID :2013373753 NOV 23'92 14:57 No.006 P.02 Witeo Argut Division Witco Coiporation, 8 Wriglu Way, Oakland. New Jersey 07436-3121 Telephone: 201-337-2036 Fax: 201 -337-3753 November 20, 1992 Mr. Jim Gray The BFGoodrich Company Geon Vinyl Division 6100 Oak Tree Boulevard Cleveland, Ohio 44131 Subject: MARK 1900 Dear Mr. Gray: He have been asked to comment on and to certify the use of MARX 1900 in PVC compound for plastic components that would have some incidental food contact. He can assure you that mark 1900 methyltin stabiliser is similar jin chemical composition to its FDA version MARK 1984, althougiq It is not certified by our laboratory as conforming to FDA ."/Moreover, MARK 1900 is approved by NSF International for use in PVC resins for piping system compnents that carry potable water. If we may be of further help, please let me know. Sincerely yours, B.R. Bluestein, Ph.D. Director of Technology cc: Mr.L.C. Pollner - Witco 21673003 NOU 23 '92 15=57 BFG15967 2013373753 PAGE.002