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J Environ Radioact ; 61(2): 203-11, 2002.
Artigo em Inglês | MEDLINE | ID: mdl-12066981

RESUMO

One part of Radiological Monitoring Programme in central Cuba (1991-1995) was dedicated to study the background levels of natural and anthropogenic radioactivity in Cienfuegos Bay in the vicinity of the first Cuban nuclear power station under construction. 210Po and 137Cs concentrations in fish, molluscs and crustaceans collected in Cienfuegos Bay were determined and the committed effective doses (CED) were calculated for two population groups inhabiting this region. The highest values of 210Po concentrations were found in crustaceans, but significant accumulation was also observed in fish and molluscs. The mean 137Cs concentrations in organisms are several times lower with respect to 210Po, a situation that characterises the regions affected by the global fallout only. Values of CED from the consumption of crustaceans and molluscs are very low both from 210Po and 137Cs. The mean individual dose from 210Po in the seafood consumed varies from 39 microSv for general populations to 2802 microSv for the "critical group" consuming 320 kg of fish per year. The dose from 137Cs is negligible.


Assuntos
Contaminação de Alimentos , Cinza Radioativa/análise , Alimentos Marinhos , Animais , Radioisótopos de Césio/análise , Radioisótopos de Césio/farmacocinética , Crustáceos , Cuba , Monitoramento Ambiental , Peixes , Humanos , Moluscos , Polônio/análise , Polônio/farmacocinética
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