Document B5Qd8QJqzJK8dqrOJ4z6kw7Z8

(19 ) July 9, 19*3 Mr. J. T. Biehle, Ethyl Corporation, Chrysler Building, R York City. Dear Mr Biehle: I acknowledge herewith receipt of the Lead Hygiene and Safety Bulletin Ro. 29 of the Lead Industries Association. Thank you very smch for referring the bulletin to ne. Cordially yours, RAX ef Robert A ! 'ehoe, k . D . N 4058 02969