»~bea-
The zn§5 peak at 1 12 MEV occurrea in every tissue sample teeted,
indicating the com:men occurrence of thie isotope compared with other
S
This Ta tdiGssulupe tas been voserved in iian tissues
by many authcrs,
as sun:marized by Lowman et al. (1957).
Additional
data from this Luboratory are given in Table 4.
The Co9? peak of 0. 12 MEV was present in the liver
tested, however,
it
appears to be
rather
omnivorous fish taken at Rongelap Island.
of all
low in the liver
fish
tissue
of
This radioisotope was not
detected in goutfish gut or goatfish bone, but occurred in small amounts
in goatfish muscle
No distinct
peak at
0.12 MEV
appeared
in the
muscle tissue of reef fish or tn halfbeaks taken at Kabelle Island.
The peak of Mn°4, at 0. 84 MEV, was partially obacured by the Co58
peak at0 8! MEV
Oneor both
of these radioisotopes
present in the muscle and liver of reef fish from
muscle and liver of halfbeaks from Kabelle Island,
appeared to
Enibuk Island, in
be
the
and possibly were
present in the muacle of reef fish from Kabelle Island.
Verification of
the presence of both of these isotopes in Enibuk reef fish liver was later
obtained by 1on-exchange resin column analysia (see below)
The Co50 peak at 1 17 MEV was obscured by the Zn89 peak at 1.12
MEV; however,
the Co®9 peak at 1.33 MEV was observed in
the liver
and muscle of Kabelle goatfish and in the liver of Rongelap omnivorous
fish
The presence of CoS9 was also later verified by
analysis of Enibuk reef fish liver.
ion-exchange