Document R2XxBjyLb56rybOOGEnbJ7ODX
DIVISION OF COLORS AND COSMETICS TECHNOLOGY FOOD AND DRUG ADMINISTRATION WASHINGTON, D.C.
DISCUSSION SESSION ON "ASBESTOS AND TALC"
Tuesday, August 3, 1971 - 9:30 A.M. Room 1409, Federal Building #8 200 "C" Street, S.W.
Purpose: To specify a laboratory procedure for the determination of asbestos in cosmetic talcum powders which will give consistent, meaning ful results. This may require answers to such questions as:
1. Is there a need to count not only "asbestos fibers" but also "non asbestos fibers" or "fibrous talc"?
2. Is there a need to specify the variety of asbestos: tremolite, chrysotile, anthophyllite, etc.?
3. What particle size ranges should be reported, on the basis on bio logical effects?
4. Should the analytical results reported for "7o asbestos" be based on number of particles counted or on percent by weight as estimated from particle areas?
5. Can a similar procedure be used for determining the asbestos content of a variety of foods, drugs, and other products?
Format: Brief presentations (about 10 minutes each) on current work and judgments related to the problem. Emphasis on informal discussion and full exchange of information to provide a sound basis for the analytical procedure to be used.
Prospective Participants:
Lewis J. Cralley, Ph.D., - National Institute of Occupational Safety and Health, Cincinnati, Ohio
Irving J. Selikoff, M.D. - Mr. Sinai School of Medicine
Arthur M. Langer, Ph.D. -
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William J. Nicholson, Ph.D.
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Edward L. Dwornik
- U.S. Geological Survey
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Wilson Nashed, Ph.D. - - Johnson & Johnson
Gavin Hildick-Smith, M.D. -
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R. F. Rolle, Ph.D.
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T. H. Shelley, Ph.D.
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Consultants (Prof. Pobley, W. T. Caneer, et al)
S. R. Mountsier, Jr.
- Whittaker, Clark & Daniels
Prof. Lewin (consultant)
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Herman F. Kraybill, Ph.D.- Food and Drug Administration
Robert M. Schaffner, Ph.D. -
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Alfred Weissler, Ph.D.
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John M. Gowdy, M.D.
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Sylvan H. Newburger, Ph.D. -
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John A. Wenninger
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William B. Link
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Charles J . Kokoski, Ph.D. -
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George Thompson, Ph.D.
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Denis J. McGrath, M.D.
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Hyman R. Gittes
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Leo Friedman, Ph.D.
-M
Herbert Blumenthal, Ph.D. -
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