Caesium-137 in Swiss drinking water source

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Scientists have discovered a radioactive substance in sediment under a Swiss lake used for drinking water and situated near a nuclear plant, the Le Matin Dimanche weekly reported on Sunday. While they stressed there was no danger to human health, this raises concerns about safety practices at the Muehleberg plant, which came online in 1972. It is believed to have caused a spike in caesium-137 found in the sediment of Lake Biel through the discharge of contaminated waste water into the Aar river that feeds into the lake, about 20 km downstream. In the wake of the Fukushima disaster, the Swiss Parliament approved a phase-out for the five atomic power plants by 2034.— AFP

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