Document b5ryGr6w53be23Br3k0VKxGjO

June 2lt, 1957 Dr. A. J. Lehman, Chief Division of Pharmacology Food and Drug Administration Dept, of Health, Education & Welfare Washington 25, D. C. Dear Dr. Lehman< Under dates of August h, 195U and December 12, 1955 you advised that Oeon UOQX78 and UOOX85, respectively, were acceptable for food packaging applications. The identifying mothers of tbese too materials have been changed shereby LOQI78 is nor Oeon L28, and LOOX85 is Oeon U21. Sincerely yours. W. B. IfcCormick, Director Department of Industrial Hygiene and Toxicology irem/la i BFG03748 20525005