Document 8Bn7Jjn5Y7xbMbE17GNejNjK

A m erican Optical Com pany FOUNDED IS 3 3 Soutbbridge, Mass. June 8, 1962 Robert A. K e h o e , M.D. Kittering Laboratory University of Cincinnati College of Medicine Cincinnati, Ohio Dear Dr- Kehoe: We are now in the process of making our own glass from the basic ingredients. One of these is lead. We are very anxious to do every thing possible to prevent lead poisoning, both in the batch room where the ingredients are mixed, and in the furnace room where the powder is melted. 1 would appreciate any suggestiohs you have as to the use of showers, clothing changes, respirators, and providing milk to these workers. Very sincerely yours, V. Rogeir E. Allen, M.D. Medical Director i KE 0019661 LH 2