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Accidental releases of waste water from the first Czechoslovak nuclear power plant, A1, caused contamination of sediments of the Dudvah river, flowing into the Vah river, in Slovakia. Rather high concentrations of 137 Cs and 90 Sr (2150 Bq dm -3 and 215 Bq dm -3 , respectively) were found in bottom sediments of a former channel of the re-engineered...
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