7.
September 21, 195h
=~2-
Mr. H. F. Morgenthaler
Beryllium and beryllium compounds should not be used
by uninstructed or unsupervised groups in any operation
that will produce atmospheric contamination (dusts,
fumes, mists, etce)e
Sincerely yours,
Roy
E.
Albert,
KM.
De
Assistant to Chief (Industrial Health)
Medical Branch
Division of Biology and Medicine
OFFICE p>
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MEDICINE,HEALINGSAFE
DATE > AUS ve neeeee ee ween ence nnnee- |oe---eForm AEC-318 (Rev. 9-83)
U, S. GOVERNMENT PRINTING OFFICE
16--62761-3
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