2
_
tion
as
,
~
ay Pook
fe
called beach hoppers or sand fleas, was subjected to X-rays.
doses were 150r, 900r, 6,400r, 16,000r, 32,000r, and 82,000r.
also 6 control groups each consisting of 20 individuals.
ag
ee
a8
The
seed on
i-
T wire
npc 3kag wen
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nen
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«3. *
ate
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The highest’:wsA tes
am.
dose rendered all immediately sluggish; the first deaths (3) occurrednee
on the fourth day and all died within 10 days,
thirds had died by the end of January,
Lf gg)
Mk wes *
In the next group two—
In the 16,000r group onlytwo-thirds
remained alive at the end of the month, but the dead were not all found,
apparently having been eaten by less severely affected individuals.
In
the other 3 irradiated groups and in all control groups the amphipods were
alive and active at the end of the month,
ITI. Study of the Bikini material collected during the summers of 1946 and
1947 contimed,.
Radioautographs are being made of the material and a report
is being formulated gathering this data together,
Recounting of some of ‘the material has been .started and a report on
some special problems of absorption is being prepared,
IV.
The matual exchange of material and information between the Applied
Fisheries Laboratory and the Hanford Engineering Works continues to function
effectively. |
Mr, Richard F. Foster and Mr. Philip A, Olson visited the Laboratory for
conferences,
.
|
Dr. Albert W. Bellamy, Dean of Biological Sciences, University of California,
Los Angeles and Mr, Robert J, Buettner, Principal Administrative Assistant,
Atomic Energy Project, University of California, Los Angeles visited the
laboratory for conferences and discussion on project matters,
ZLaude. deren
Lauren Rs Donaldson, Director
of Contract No, W-28~094—eng-33
pos ARCHIVES
eAAi ln