UNIVERSITY OF CALIFORNIA
CROCKER LABORATORY
BERKELEY 4, CALIFORNIA
Saielas “@rren, }, Dd.
Refer Your - £5o:LeD
Director, Division of
Biclopy and isdisiua
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Atomie Tauerzy Tommiscion
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Tn answer to your lstter of August °,
1949, Professor Latimer and
lara more then willing to os of servics in tvaluating tha proolens
prasantsa toe us oy “r. Deal.
Iu order to assist us in appraising some
of ths factors involved, we voth feel that it would ve very useful if
thers could oo made avsilavle to us ins cortinent information soncerne
ing the fallecut sir radicactivity followin1g the Trinity, Jansnoss, ~
Bikini. and Glniwetck istonations. ony acd itional data on the vsricé
of per sistance of radisactive narticles in the atmosphersa followiag
eee
thesa sanisodss vill a
ASSIFIED THRO
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ales
Taz ranors jerb with us by Mr. Deal presents a numoer or hiznly
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and soncerning others, we Salt a Little iifferently than did ir.
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Situation are leaded vith a grasat cany iutangisles sun Professor +tinar
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