Where does this increase in radioactivity levels recorded by the Swedish, Norwegian and Finnish surveillance networks come from? Among the artificial radionuclides detected in the first week of June, traces of iodine-131, then cobalt-60, cesium-134, cesium-137, and ruthenium-103. However, a low-dose cocktail which "does not present a risk for the population or the environment", provides the Institute for Radiation Protection and Nuclear Safety (IRSN). France also seems to be preserved: no "abnormal rise in radioactivity in the air over the period from the beginning of June has yet been detected ".
»See also - How to measure radioactivity in air
The analyzes for the second half of June are underway. "You have to expect not to see much, which does not mean that nothing is happening but only that the rates are not high enough to be detected," said François Besnus, director of the environment
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