Table 234,
Radionuclide concentrations in fish (January 1972).
Nuclide
Sample
13765
All fish?
600,
0c,
No, of Samples
Average
High
128
0, 39
2,0
0, 16
6.8
38
1.5
0, 026
Eviscerated
whole fish
74
0, 21
7o-
“<7
Fish muscle
51
0.075
---
“--
All fish?
All fish?
905.
905.
Concentration, pCi/g dry weight
128
125
only
Low
0, 041
0. 0010
4 All 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.
The g/day intakes
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
(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 a.
that are available on islands of the group
and 60 Go, while the bone dose comes
at the time of return,
from 906. as well as from 13765 and
meat, birds, bird eggs,
80 Go,
and,
The third line of the table gives
the summation of the dose to each organ
from the three isotopes.
i.e.,
domestic
coconut crabs,
in the case of the southern islands,
coconut meat and coconut milk.
The bottom entry
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-yr post-return diet includes pandanus
Die rrestrial food chain
Evaluation of the potential dose to the
fruit, breadfruit,
arrowroot,
coconut
returning population via the terrestrial
meat,
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-
and coconut milk for all islands.
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, while
Except for
These
coconut and arrowroot, the daily intake
the rates of ingestion for the foods that
of the food items listed in this table refers
are to become available 8 yr after return
I[-47