Document zzOyR5or32DB1a41RNje1eZ37

June 7, 1^47 E-r. J. G. Towns end, Chief, Industrial hygiene Division, U* 5. Public Health Service, Eethesda, Maryland. ' Dear Dr. Townsend: . O (-1 Ihanks ver-j much for your letter of June 4, and for the prompt and ffective handling of the matter which I brought to .your attention, have made a copy of your letter and have forwarded the original to Mr. Jones as a record to be maintained in the offices of Ethyl ' Corporation. You and your associates may rest assured that Ethyl Corporation will move as promptly as is humanly possible to replace the paper signs, with the permanent standard signs. id Cordially yours, I.obert A. ^ehoe, M. D. IAK ef C .C : ivir . E . 0 . uone s , Ethyl Corporation. KE 0009278 N9991