Marine radioactivity assessment of Mururoa and Fangataufa atolls

Marine radioactivity assessment of Mururoa and Fangataufa atolls,10.1016/S0048-9697(99)00140-0,Science of The Total Environment,Pavel P Povinec,Dennis

Marine radioactivity assessment of Mururoa and Fangataufa atolls   (Citations: 11)
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Pavel P Povinec, Dennis Woodhead, Paul Blowers, Rachel Bonfield, Malcolm Cooper, Quingjiang Chen, Henning Dahlgaard, Constantin Dovlete, Vanessa Fox, Klaus Froehlich, Janine Gastaud, Manfred Gröning
The International Atomic Energy Agency (IAEA) carried out an international project ‘The Study of the Radiological Situation at the Atolls of Mururoa and Fangataufa’ with the aim of assessing the present and future radiological situation at the atolls and making recommendations for either monitoring or remedial actions if they are deemed necessary. The paper concentrates on marine radioactivity aspects and gives an estimation of present radionuclide concentrations in water, sediment and biota of the Mururoa and Fangataufa lagoons and the surrounding ocean. The dominant radionuclide in both lagoons is Pu in sediments (the total inventory is approximately 30 TBq). A decline in radionuclide concentrations has been observed in recent years in lagoon water, with the exception of 3H and 90Sr, for which a contribution from underground sources is to be expected. Radionuclide concentrations in biota from the lagoons and the surrounding ocean are low and consistent with previous measurements. The observed radionuclide concentrations in both lagoons imply that no radiological risk exists for hypothetical inhabitants of Mururoa and Fangataufa Atolls.
Journal: Science of The Total Environment - SCI TOTAL ENVIR , vol. 237, pp. 249-267, 1999
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