ERNEST ORLANDO LAWRENCE
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December 19, 1957
MDT~1167~57
Dre Ce Ie Dunham
Division of Biology and Medicine
Atomic Energy Comuisaion
Washington 25, D.C.
Dear Dr. Dunhass
We confirm our phone of 0820 PST today reporting a
Berkeley UCRL air sample for the 24 hour period ending 0800
December 13th exhibiting bete-gamma emitters in excess of
5 fold background, after 72 hours decay. A subsequent 3 day
sample confirms, Our Livermore Lab data were similar but
of less magnitude. Verbal inquiry revealed three other
California points observed increases.
Per your advice we shall continue to supply this sort
of information upon occurrence.
Very truly yours,
M, D.
Thaxter
Health Chenistry
MDT/cg
Info cyt
cog Wade
T
Biophysics Branch, DEM, ARC, Wash.DC
SYOO, AEC
Patterson
Wilkes
fee
pats
seu“
41 Thy &!