Document 4v7ypEVgLpkD9vberBKZZ3w3Q

10 August 1982 Air Products and Chemicals. Inc. 5oi 530. Allentown PA 10105 (2tS)40l*49li Mr. R. C. Barnard Cleary* Gottlieb, Steen & Hamilton 1250 Connecticut Avenue, N.W. Washington, D.C. 20036 Dear Bob: Further to my note of 2 August on the Zelse, Wilson and Crouch pro posal, I have tried, without success to follow their mathematical examples. The raw data are missing, and there seems to be some errors In the draft. Thus, I have prepared a simple table of toxlcltles and made a few calculations based on their reported risk from vinyl chloride. The results are attached. Manager, Regulatory Response JTB/sjw Enclosure AP00051370 {]^S.a^t`PAcdual$) Substance Vinyl Chloride Sucrose Saccharin Ethanol Citric Acid Sodium Chloride Acetic Acid Vitamin A Aspirin Urea Ascorbic Acid AmmonIs Formaldehyde TCDD Oral Rodent LDS0,g/kg 26-39 30 14-18 6-3 5-12 3-8 3-5 2-4 1 0.5 0.5 (1v) 0.35 0.06 O.Q2-iJ.04xlO~3 , t iff Wilson Potency 70'4 10'4 0.08-1.7 765-5800 AP00051372