Document RaLLDyJMQaMwgJz45O02jr5GV

r oi.f.or Ahts* sciences CORNELL UNIVERSITY Division of Biological Sciences Ithaca, N. Y. 14850 KW YORK STATE COLLEGE OP ACRIOJI.TUAH A Sututory College of (he State Umvrmrv April 30, 1971 Organic Division Monsanto 800 N. Llndburgh Blvd. St. Louis, Missouri 63166 Dear Sir: I understand that you have discontinued some uses of the Aroclor twelvehundred series, which may lead to escape of these materials Into the environment. 1 would like to express my pleasure at your action. I should be Interested in knowing what uses are eliminated by this action. Further, I wondered if you have any information on the metabolism of these compounds? Our findings Indicate that there is differential-storage higher chlorinated compounds. Also is there any information on differential toxicity within the 1200 series? X have your bulletins 0-FF/1, 0/PL-311A and 0/PL-306 but would appreciate any other information you have available on these materials. Looking forward to hearing from you. Sincerely yours, DBPrdj David B. Peakall, Ph.D. Senior Research Associate MQNS 090741