Document 1QL6Len8w987pyxRoYd1Gy1Em

THE MOUNT SINAI MEDICAL CENTER ONE GUSTAVE L. LEVY PLACE * NEW YORK. N.Y. 10029 Mount Sinai School of Medicine * The Mount Sinai Hospital September 23, 1980 Environmental $cinc Lotorolor? Committgs Basie Sciences Building 10 East 102 Street New York, New York /0029 <2121 850-6173 George Roush, Jr., M. D., Medical Director Monsanto Company 800 North Lindbergh Boulevard St. Louis, Missouri 63166 Dear Dr. Roush: There Is much currant discussion about the possible toxicity of chemi cals. While animal Investigations can tell us much, human data may be useful in evaluation of chemical toxicity; our Laboratory, as you know, has been particularly interested in possible human health effects of chemical exposures. We have had particular Interest in the following chemicals which, we understand, are manufactured by your company: 1,2-dichloroethane, CAS No. 107-06-2 1,1'-biphenyl, CAS No. 92-52-4 '/polychlorinated biphenyls (Arodors) Has your company performed or contracted for any completed epidemio logical studies of these chemicals, or do you have such studies un der way at this time? Are you aware of any such studies in progress or completed by other companies or agencies? It would be very help ful If you could let me know whether or not such Investigations have been made, at least according to Information available to you. If they have not. It would be of additional assistance if you could pro vide your judgment as to whether or not such an Investigation could be made profitably. Our survey Includes a number of companies; we would be pleased to In form you of the results. With all best wishes. Sincerely yours. IJS/mo HONS 003068