Document 6GRz9N7J3OoNQg6vkzjNMOMo

W I L L I A M E. Z I M M E R M A N D I RECTO R O F I N D U S TRI A L RELATI ON - S LAM SO N BLAN EY. M.D. M ED I CAL OI RECTOR SUN OIL COMPANY PHILADELPHIA 3,PA. August 28, 1958 Robert A. Kehoe, M.D. The Kettering Laboratory University of Cincinnati College of Medicine Cincinnati, Ohio Dear Bob: This is a follow-up on a letter which I wrote on April 7, 1958 addressed to the Product Service and Safety Section of Ethyl Corporation in New York City regarding Ethyl Anti-Knock Compound, Experimental AK-33-X. This letter was forwarded to you by Mr. H. K. Ball. I wonder if you are in a position to supply me with any specific information as to the toxic ranges for this material relative to animal and human exposure? My previous letter outlines the items in which I have particular interest. With best personal*regards, Co 'Lally yours, cyxjo. Lamson Blaney, M.D. Medical Director LBslbf cc: Mr. H. K. Ball Mr. W. S. Wood he 001S315