Table 234.
Nuclide
1375
800,
205,
90,
Radionuclide concentrations infish (January 1972).
Sample
No, of Samples
Concentration, pCi/g dry weight
Average
High
Low
All fish?
All fish?
All fish?
_ Eviscerated
128
128
125
74
0. 39
2.0
0. 16
0, 21
6.8
38
1.5
---
0.026
0,041
0,0010
---
Fish muscle
51
0.075
---
---
whole fish
‘90<..
only
4 Al) fish includes eviscerated whole fish and those fish where muscle was
separated from bone and only the muscle was analyzed.
weight for use in the dose code by dividing
to g/day of fresh food.
by 3.5, the average wet-to-dry ratio for
listed for coconut and arrowroot refer
fish from the Atoll.
to the dry weight intake of coconut meat
Integral doses calculated from the
The g/dayintakes
(copra) and processed arrowroot starch.
marine survey data are listed in Table
Inferred initial ingestion rates assuming
235 for the whole body and bone for 5,
the diet at time of return are shown in
10, 30 and 70 yr.
Table 236,
The major contribution
This diet contains only foods
to the whole-body dose comes from 1ST as
that are available on islands of the group
and 80 aS, while the bone dose comes
at the time of return, i.e., domestic
from
meat, birds, bird eggs, coconut crabs,
oon as well as from 1ST and
60Go, The third line of the table gives
and,
the summation of the dose to each organ
coconut meat and coconut milk,
from the three isotopes.
The bottom entry
in the case of the southern islands,
The 30- and 70-yr integral doses were
in the table lists the dose from all radio-
calculated assuming the 10-yr post-
nuclides listed in the Table 235 footnote.
return diet,
In addition to the foods that
are available at the time of return, the
10-vr post-return diet includes pandanus
Dee rrestrial food chain
Evaluation of the potential dose to the
fruit, breadfruit, arrowroot, coconut
returning population via the terrestrial
meat, and coconut milk for all islands.
- food chain has been structured on the
The initial rates of ingestion for each
basis of the living patterns in Table 225.
island group assuming the 10-yr post-
The quantity of radionuclides ingested via
return diet are listed in Table 237.
terrestrial foods was computed from the
values are presented in two. parts; the rates
measured and predicted concentration of
of ingestion for the foods immediately
activities according to the expected daily
available are presented on the left side of
diets listed in Table 227,
Table 237 under January 1, 1974,
Except for
coconut and arrowroot, the daily intake
These
while
‘the rates of ingestion for the foods that
of the food items listed in this table refers
[I-+7
are to become available 8 yr after return