CITY OF CHICOPEE DEPARTMENT OF HEALTH CHICOPEE — MASSACHUSETTS BOARD OF HEALTH ALCIDE L. BRODEUR DIRECTOR OF PUBLIC HEALTH William M. Gregory, M.0., Chairman George A. Ladeau, Jr. Emory A. Brodeur, 0.M.D. August 28, 1970 Dr. Joshua Lederberg Stanford University 300 Pasteur Drive Palo Alto, California 94304 Dear Dr. Lederberg: Since Chlorination of the drinking water of our city is a primary responsibility of this department, I wish you to comment on the enclosed correspondence. Yours truly, Poavreces FE, itiae ame? Francis R. Langevin, MS he Bacteriologist FRL/kr encle 2