Document zdpXa0kYRMGDoe3G2GQQ3GKYg

t UNIVERSITY -4-5770 Shrtfjttt ESTABLISHED 1886 THIRTY MEMORIAL DRIVE CAMBRIDGE -42, MASSACHUSETTS June 1, 1961 Dr. Robert Kehoe Kettering Laboratories University of Cincinnati School of Medicine Cincinnati, Ohio Dear Dr. Kehoe, I recently spoke to Dr. Silverman about the problem of lead toxicity and he suggested we contact you. Specifically, we are interested in the toxicity of lead chromate, sulfate, carbonate, lead oxide and their mixed salts. We would appre ciate hriy references yoh may be able to provide on these materials along with copies of any papers you have available on data obtained in your laboratories. Very truly yours, Z___ A- Sam Battista cr 0019815 N20015