DETERMINATION OF THE INTERNAL EXPOSURE OF GREEK CITIZENS RETURNING FROM JAPAN IMMEDIATELY AFTER THE FUKUSHIMA ACCIDENT

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Abstract

Following the nuclear accident at the Fukushima Daiichi Nuclear Power Plant on 11 March 2011, during the period 17 March to 25 October 2011, a total of 22 Greek citizens were measured after their return to Greece. Artificial radionuclides were detected in 5 of the 22 measured individuals by whole body counter measurements conducted 10 and 11 d after the commencement of the accident. Of the 5 contaminated individuals, 3 were adults and 2 children, aged 9 and 5 y, who stayed for a single day in Tokyo. Dose calculations were performed assuming that the sole exposure pathway was through inhalation that occurred on 14 March, according to the information provided by them, using the detected artificial radionuclides in the spectra (134Cs, 137Cs, 131I). The estimated total committed effective doses calculated were found to be in the range of 9-280 μSv.

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