Document JJxGnXeLZROg9xe4pyrZgyaZa

January 14, 1972 Ms. Jacqueline D. Greenberg Ooucher College ........... Towson, Maryland 21204 Dear Ms. Greenberg! I am sending, under separate cover, the sample of Aroclor 1254 you requested in your letter dated January 11. I am confused by your statement that the "PCB we are Interested in working with can be found In your product, Aroolor 1254". Aroolor 1254 Is 10036 PCB's ranging from 1 chlorine per biphenyl group up to the 8 chlorine homo logs. I am assuming you are Interested In only one of the PCB Isomers. As you know, the chlorinated dlbenzo-p-dloxlns are not PCB's. No dioxins have been detected In any of Monsanto's Aroclors, nor, to the best of my knowledge, have they been detected In any PCB commercial mixture by other worldwide producers. Chlorinated dlbenzo furans have been identified In European material by a laboratory at the University of Utrecht. I have attached copies of two articles which I hope you find useful. No special precautions need be followed In handling Aroclor 1254 other than the normal good hygienic practlcee all well run laboratories follow. This Includes good ventilation and personal cleanliness by the laboratory personnel. The amount of material you will receive Is so small that disposal should not pose any environmental problems. If I can be of further service, please let me know. Sincerely, WBP:gw Ends. W. B. Papageorge Manager Environmental Protection MOMS 200014 S. UNENO KONXASEI - TOKYO RE: YOUR WIRE DATED APRIL 25 YfE HAVE NOT RECEIVED ANY KMK MATERIAL FOR CHLORINATED DIBEN20PURAN ANALYSIS. ARE YOU REFERRINO TO KANECHLOR SAMPLE. W. B. PAPAOEOROE COPY SENT TO: E. S. TUCKER MONS 200015 v4 Papageorge - World Ilcadquartero December 21, 1972 \l, R. Corey - E? R. E. Kelly - t\2 Mr. J. R, Durland Tokyo - 5260 A representative of the U,S, Food and Dru3 Adminis tration recently mentioned that he had received a copy of the latest statue report on the "Yueho" disease incident. Con your office acquire a copy for us. WBP/bt tf. B, Pspageorge HONS 200016 - NIEHS CONFERENCE ON CHLORINATED DIBEN20D10X1NS AliD DIBENZOFURANS OUTLINE: ' I. Chemistry. -General structure -Analytical methodology -Synthesis "Occurrence of compounds In chemical production II. Environmental Aspects. -Accumulation + degradation -Routes of dissemination -Photochemical changes -Interaction with plants, soils and water - III. Toxicology. -Absorption, distribution, excretion -Acute and chronic effects -Teratology -Mechanism of action -Structure activity relationship IV. What is It all about? DATE: April 2-3, 1973. PLACE: Governors Inn, Research Triangle Park, North Carolina. ATTENDANCE: Open, Due to limited meeting facilities, attendance will be limited. There are a number of Invited speakers. Scientists whose work relates to the biological effects of these compounds are encouraged to submit an abstract of their proposed presentation for consideration by January 15, 1973. SPONSORED BY: National Institute of Environmental Health Sciences National Institutes of Health Research Triangle Park, North Carolina PUBLICATION: Proceedings of the conference will be published in the August 1973 Issue of Environmental Health Perspectives. Individuals Interested in attending or submitting abstracts should contact Dr. John A. Moore National Institute of Environmental Health Sciences P.0. Box 12233 Research Triangle Park, -North Carolina 27709 MONS 20001?