TELEPHONE HUDSON 3-6120 Manufacturing Chemists' Association, Inc. ~ (FOUNDED 1872) 1825 Connecticut Avenue, N. W. Washington, D. C. 20009 Dr. John P. Frawley Chief Toxicologist Medical Department Hercules Incorporated 310 Market Street ilmington, Delaware 19899 Dear Dr. Frawley: I am enclosing Dr. Knapp's letter of June 9 which gives some data relative to indirect food additives in reply to our request for this which went out to the MCA Food, Drug, and Cosmetic Chemicals Committee. Having been away for much of the time, I an just now catching up with this item. At the June 13 FDCCC meeting, I was requested to ascertain frcm you what data you now have so that the committee can decide about its recommendation regarding your proposal. Please advise, and thank you. Sincerely yours Morgan M. Hoover MMHtsjg Enclosure V. H. Knoop W. S* McCormick ASI 00002130