CTBTO chief Lassina Zerbo said in a tweet which included a map of the affected region that the levels detected were higher than usual but 'not harmful for human health'
RFE: Elevated But 'Not Harmful' Radioactivity Detected In Baltic Sea
A global monitoring network this week detected unexplained "higher than usual levels" of radioactive isotopes at a station in Sweden that likely came from somewhere around the Baltic Sea.
But the group also said late on June 26 that the levels it saw were "not harmful for human health."
The head of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO), Lassina Zerbo, tweeted that the elevated levels of three radionuclides generally associated with civil nuclear activities -- caesium-134, caesium-137, and ruthenium-103 -- had been detected on June 22-23.
He highlighted an area including stretches of western Russia, seemingly including St. Petersburg, Estonia, southern Finland, and Sweden as a "possible source" of the radioactive particles at any point in the preceding 72 hours.
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WNU Editor: There are a number of military research centers located outside of Saint Petersburg. I know because one of my uncles worked at one of these places when the Soviet Union was around. As for this case. It looks like someone is conducting tests using certain isotopes associated with civil nuclear activities. At least I hope it is test and not something going wrong.
More News On An Unknown Radioactivity Spike Being Detected Over The Baltic Sea
Nuclear weapons test sensors in Sweden detect unexplained rise in radiation coming from region including Russian city of St Petersburg -- Daily Mail
'Mystery' rise in nuclear particles from 'weapons test' detected by fission sensors -- Daily Star
Europe On Alert After Unknown Radioactivity Spike Detected Over Baltic Sea -- Zero Hedge