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A comparison of doses from 137Cs and 210Po in marine food: A major international study

TitoloA comparison of doses from 137Cs and 210Po in marine food: A major international study
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione1996
AutoriAarkrog, A., Baxter M.S., Bettencourt A.O., Bojanowski R., Bologa A., Charmasson S., Cunha I., Delfanti Roberta, Duran E., Holm E., Jeffree R., Livingston H.D., Mahapanyawong S., Nies H., Osvath I., Pingyu L., Povinec P.P., Sanchez A., Smith J.N., and Swift D.
RivistaJournal of Environmental Radioactivity
Volume34
Paginazione69-90
ISSN0265931X
Parole chiavearticle, atomic bomb, bioaccumulation, cesium 137, Environmental radioactivity, Fish, nonhuman, Polonium, radiation dose, radiation measurement, radioactive contamination, sea food, sea pollution, Shellfish
Abstract

Radioactivity levels of natural 210Po and anthropogenic 137Cs in sea water and biota (fish and shellfish) have been estimated for the FAO fishing areas on the basis of measurements carried out in recent years. Collective doses resulting from seafood consumption are calculated for each FAO area using radioactivity data for water and biota. Good agreement is observed between the results calculated by these two methods, with the exception of the doses from 210Po via shellfish consumption. The collective effective close commitment from 137Cs in marine food in 1990 has been estimated at 160 man Sv with an uncertainly of 50%. The corresponding dose from 210Po is 30,000 man Sv with an estimated uncertainty of a factor of 5. The results confirm that the dominant contribution to doses derives from natural 210Po in fish and shellfish and that the contribution from anthropogenic 137Cs (mainly originating from nuclear weapons tests) is negligible.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-18544397415&doi=10.1016%2f0265-931X%2896%2900005-7&partnerID=40&md5=599624c19a8ce1ff16d52179bf3fbbc2
DOI10.1016/0265-931X(96)00005-7
Citation KeyAarkrog199669