Document 82Vbbnek6LO6qmJZJrXyxYBZ

Vista Chemical Company 15990 N. Barker's Landing Rd. Post Office Box 19029 Houston,Texas 77224 Phone (713) 531-3200 October 22, 1985 Mr. Myles Woitesek, Jr. Lawter International, Inc. 890 Skokie Blvd. Northbrook, IL 60062 VIS1A Dear Mr. Woitesek: Per your request, this letter is to document Vista's hazard deter mination regarding carcinogenic labeling of Vista DPA Specialty Alkylate and and CU16 Normal Paraffins. Our hazard assessment is that these products do not need a carcinogenic warning statement under the requirements of the OSHA Hazard Communication Standard. This assessment is based on the analytical data we have available and the manufacturing process used to produce these products. Analytical data indicates less than 0.1% of any specific constituent considered to be carcinogenic under the OSHA standard. Please contact me if you have questions on the above. Sincerely, Thomas G. Grumbles, CIH Environmental Quality Manager ajo/8 cc Rick Tuttle