Document OBed76YB2gnwM2LVRoGQxBDe

DEPARTMENT OF CONSUMER PROTECTI WASMINOTON. D.C. 20204 FOOD ANO DAUQ ADMINISTRATION October 8, 1969 Dr. Elmer P. Wheeler, Manager Environmental Health Monsanto Company 800 N. Lindbergh Boulevard St. Louis, Missouri 63166 Dear Dr. Wheeler: We received your letter of October 3, 1969 containing the following Information on Aroclors 1254 and 1260: a) Acute oral LD^q (rats); b) Enclosures, pamphlets la and lb, Industrial Bio - Test Laboratories Inc. "Two-Year Chronic Oral Toxicity of Aroclor 1254 (pamphlet la) and Aroclor 1260 (pamphlet lb) In Beagle Dogs"; and c) Enclosure II, summary showing the status of three generation rat reproduction studies begun in May, 1969. Coplas of thase enclosures have been forwarded to Mr. William F. Barthel (Chief, Atlanta Toxicology Branch) and Dr. Clara Williams (Chief, Residue Toxicology Branch at Washington, D. C.). We thank you and Dr. William R. Richard for the cooperation of the Monsanto Company In supplying this Information and for forwarding ona pound samples of Aroclors 1254 and 1260 for use In toxicity studies at Atlanta, Georgia and Washington, D. C. Sincerely yours A.R. Glasgow, Jr., Ph.D. Acting Chief, Raference Standards Section Residue Chemistry Branch Division of Pesticides MOMS 090696