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FILE NAME Talc TALC DATE 1972 May 10 DOC TALC067 DOCUMENT DESCRIPTION Letter to the Center for Science in the Public Interest from Barry Castleman VI Phone Number 301-494-3775 May 10 1972 Dr. Albert Fritsch Center for Science in the Public 1346 Connecticut Avenue N.W. Washington D.C. Interest Dear Mr. Fritsch I was referred to you by Ken Lasson I am interested in research on the adverse effects on health of asbestos and tale in particular carcinogenisis Ken said that your center performs oriented investigations and you might be working on these topics now As far as I know no one has yet demonstrated that occupational environmental exposures to talc carry an excess risk of developing cancer This has been done for asbestos and the government has begun to effect restrictions on its use However the striking chemical similarity between talc and asbestos the occurrence of greater than trace amounts of tremolite asbestos in talcum powders and the knowledge that - to talc carries an excess risk of lung cancer oacrceupvaetriyondailsteuxrpboisnugre in view of the widespread use of talc in infant and cosmetic powders perfumed vaginal sprays etc. My correspondence with FDA indicates that they are doing a minimal job analyzing tales for asbestos about regulating both asbestos and tale in consumer goods I would like to know of ways to get them interested In my spare hours here I have reviewed some of the literature on cervical cancer epidemiology I also understand that some but not all are dusted with talc in processing and packaging Dr. Abraham pLriolpiheynlfaecltdicast the Johns Hopkins School of Hygiene has an interest in talc also and I hope to work out some kind of study with him soon Please let me asbestos and talc I it worthwhile know your interest and activities in the subjects of would be glad to come down see you if you think My best wishes in your work Sincerely dh Barry Castleman Technical Services Section Division of Air Pollution and Industrial Hygiene Bureau of Environmental Services