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Radiat Environ Biophys. 2000 Jun;39(2):99-109.

Current development of the human and environmental contamination in the Bryansk-Gomel Spot after the Chernobyl accident.

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Forschungszentrum J├╝lich GmbH, Abteilung Sicherheit und Strahlenschutz, Germany.


Up to 1991, it was assumed that after the Chernobyl accident in 1986 the time development of radioactive contamination with regard to environment, foodstuff, and man would decrease due to migration processes in the soil, radioactive decay, and protective measures. This assumption was confirmed by all measurements in the first few years after the accident. Since 1991, however, a change in this development has been observed, as many measurements show stagnation or in some cases even an increase of foodstuff and human contamination. If normalised to an average local ground contamination, only a few groups of foodstuffs (e.g., potatoes) show a slight decrease in radioactivity. In this paper, the time development of radioactive contamination in the Bryansk-Gomel Spot on the basis of measurements since 1991 is presented. The consequences for long-term dose assessment are discussed.

[Indexed for MEDLINE]

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