Document xJp3j0ER6KayBV01pJy7B99m

Vista Chemical Company 900 Threadneedle Houston, Texas 77079 (713) 588-3000 P.O. Box 19029 Houston, Texas 77224 Fax (713) 588-3236 May 29, 1990 Ms. Amanda Letchworth Buckman Labs 1256 N. McLean Blvd. Memphis, TN 38108 TGG: Jet BStf MW: VISTA 7 Dear Ms. Letchworth: Confirming our phone conversation, Vista ALF0L Alcohol 1618 CG and ALFOL Alcohol 20+ are acceptable in FDA applications covered by 21 CFR 176.210, defoaming agents used in the manufacture of paper and paperboard. ALFOL 1618 CG is acceptable for FDA applications subject to 21 CFR 176.200, defoaming agents used in coatings. Neither product is cleared for uses covered under 176.170 or 176.180 at this time. Please give me a call if you need more information. Sincerely, J. C. Ledvina Director, Environmental Activities dlj VVV 000013022