Document 15rgyYyYkj3deXmM6aVmXBGDX

DOW CHEMICAL U.S.A August 22, 1977 MIDLAND, MICHIGAN 48640 ERRATUM July 12, 1977 report titled "Resolution of Dose-Response Toxicity Data for Chemicals Requiring Metabolic Activation: Example Vinyl Chloride" by P. J. Gehring, P. G. Watanabe and C. N. Park, Page 8, 2nd. paragraph, line 3 should read (95% confidence limits are from .03-8.7 ppm). Enclosed is the correct version. P. G. Watanabe, Ph.D. Toxicology Research Laboratory Health & Environmental Research The Dow Chemical Company Midland, Michigan 48640 Enc alw AN OPERATING UNIT OP THE DOW CHEMICAL COMPANY sL 096172 Please destroy the May 28, 1977 report and replace with this draft. The tables of data are the same but the d cussion has been expanded to in clude the relationship of animal to human response. T. R. Torkelson SL 096173