re
slightly from this general pattern; in
uptake by fruit exceeds uptake by mature
these cases,
leaves by a factor of two to five.
the measured uptake of
Osy is equal to that of
137,
How-
s.
90
ever, more samples are needed to ver-
-A comparison of the uptake of
Sr,
137,
Sy
and
239,240 Pu
shows that,
ify the pervasiveness of these excep—
in general,
tions to the overall patterns observed.
uptake is: squash (high; breadfruit,
Iolo. »
The distribution of 90.
239,240,
in
fruit
and
leaves
Pandanus, and papaya (intermediate) ;
and
and banana and coconut
follows
similar patterns in the various species
;
90
SY
In a given species,
-studied.
nd 2399 240 py
the relative order of
(low).
Slight
variations occur, depending on the
A
radionuclide under consideration.
uptake by mature leaves is more quantitative ordering can be
two to ten times. greater than that by
.
137
;
Cs uptake measured in
fruit. The
made after greater numbers of all
this study shows a different trend;
‘future surveys.
tissues of plants are sampled in
Acknowledgment
Livermore Laboratory),
We greatly appreciate the
invaluable comments of Yook Ng
(Lawrence Livermore
avid John Holdren in reviewing this
Crites
manuscript.
Rod
For his aid
We
thank John Koshiver
Dave Coles
Laboratory),
Tom
(Lawrence Livermore Laboratory),
Eagle
(Lawrence Livermore Labora-
tory), Harley Erwicker (Trust Terri-
in statistical analysis
of the data and Ora Lowe and Bill
tory of
Burke for their technical.
Greenhouse (Brookhaven National Lab-
assistance.
oratory),
Paul Gudiksen
Livermore
Laboratory),
radiological survey of Bikini and Eneu
(Lawrence
Livermore
Islands of Bikini Atoll was accom-
Keller
plished by a very intense and thorough
ERDA), Dennis McBreen (Trust Territory
effort of 21 people representing six
of the Pacific Islands), Tommy McCraw
different organizations.
(Division of Operational Safety, ERDA),
The field portion of the June 1975
of samples collected and
The number
the amount of
information obtained during the
the Pacific Islands), Nat
Ben Mendoza (Lawrence Livermore Laboratory), Vic Nelson (University of
ten-
Vic Noshkin (Lawrence
cooperation and diligent effort of
Livermore Laboratory).
(Environmental
Vegas,
Nevada),
the
Bruce Clege
Vrank Reed
(Environmental Protection Agency, Las
Wayne Bliss
Protection Agency,
Bob
(Nevada Operations Office,
Washington),
individuals:
Gale Holladay
Laboratory),
day survey is a direct result of the
following
(Lawrence
Vegas,
Las
Nevada), Jim Schweiger (Law-
rence Livermore Laboratory), Robert
(Lawrence
—~36-