-15-
noted: wi81.185 contriputed the major portion of the radioactivity in Scaevola leaves from Kusaie and in Messerschmidia
and Scaevola leaves from Ujelang
(Lowman
et
al.
1959),
and
gn°> was predominant in fish tissues from Ponape and Utirik.
Co?’ was present usually in lesser amounts,
and co?8 ana co®?
were found only in a sample of clam kidney from Ujelang and a
fish liver sample from Utirik.
Other radioisotopes were
present only in a few samples.
csi37,
for example, was
found
in plants from Kapingamarangi and Utirik, cel4l, 144_p,144 yy
a few samples from Kusaie,
Ponape and Ujelang,
and mn>4 in |
fish skin and gut from Ponape and clam kidney from Ujelang.
Fe? was detected once only,
in a sample of skipjack muscle
from Ponape.
The quantitative results of the gamma spectrum analyses
shown in Table 3 are based on analyses made approximately
eighteen months after the samples were collected; consequently
the shorter-lived radioisotopes Zr95-nb?>
co?8
(71 days) Rut03_py103
(half life 65 days),
(40 days) and cel4l
(32 days) had
decayed to insignificant or non-detectable levels.
|
gram sample of yellow-fin tuna from Ponape, however,
were found in low amounts
at time
of collection the
40 puc/g.
Ina 16l-
DOR,ARCHIVES
Zr’~-Nb
(0.12 wyic/g at time of counting);
level
of zr95-nb95 would have been
K49 was present in all samples analyzed.
In some
/G