Table 20. The contribution of each radionuclide to the 30-y integral doses at Rongelap
Island.
30-y integral dose (rem)
Whole body
MLSC diet
Pathway and nuclide
(imports
BNL diet
available)
(community B)
Bone marrow
MLSC diet
(imports
available)
BNL diet
(community B)
Ingestion
137
Cs
90,
239+240,,,
241 ai
0.64
1.8
0.64
1.8
----
--_-
0.080
0.00018
0.00047
0.87
0.00051
0.0012
0.62
0.62
0.62
0.62
23942405,
--
--
0.0078
0.0078
241 Am
--
--
0.0033
0.0033
1.3
2.4
14
3.3
External gamma®
13765 4 9G
Inhalation
TOTAL
@ The actual external doses will be less than those listed here because of shielding by
houses and other buildings and coral gravel spread around the houses.
Table 21. The contribution of each exposure pathway to the 30-y integral doses for the
MLSC diet when imports are available at Likiep and RongelapIslands.
30-y integral dose (rem)
Likiep Island
Pathway
Whole body
Bone marrow
Rongelap Island
Whole body
Bone marrow
Marine foods
0.00021
0.00037
0.00047
0.00069
Terrestrial foods
0.092
0.098
0.64
0.72
--
0.011
Cistern water®
Inhalation
External gamma
TOTAL
0.000025
--
0.00025
0.00024
0.0002
0.001
0.026
0.026
0.62
0.62
0.12
0.13
1.3
1.4
4 Based on average daily intake of 1 L.
47