“In addition, there are new methods proposed for processing copra which

have different operating conditions and produce different by-products.

The

products from these-new methods need to be evaluated because it maybe possible
that the radionuclide distribution wil be different, prehaps with the results
that the products using these methods, may be more acceptable on the world

market.
The importance of copra on the economy of the Marshall Islands, and on the
" economy of Enewetak and Bikini Atolls in particular, is of such importance
that the experiments to determine the radionuclide distribution in copra

products from the different methods should be carried out.

Only limited

studies have been possible in current programs.

5.)

Transuranics in Fish

The global experience in marine studies of the transuranics is too brief

to model or to predict confidently concentrations of plutonium and other
transuranics accumulated from the environment by marine organisms.

It was

recently found that the average concentration for 23942405, in muscle of

mullet from Rongelap Atoll was larger than the average concentrations in these
fish from other atolls, including the more contaminated atolls of Bikini and
Enewetak.

This unanticipated finding can be resolved through additional

research at Rongelap Atol? in order to describe the environmenta}) links

transferring transuranic radioactivity to man.
Of the transuranics, plutonium and americium to date have received the
greatest attention in the radiological program at the Marshall Islands.
Recently, however, curium has been detected in fish tissues from Enewet ak and

Bikini and may be, by analogy, present in higher concentrations in fish from
Rongelap.

The internal dose to man from curium by ingestion of marine foods
39

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