S. Korea finds trace levels of radioactive particles in air

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Traces of radioactive materials have been discovered across South Korea due to the inflow of contaminants from Japan's stricken nuclear power station, a state nuclear safety body said Saturday.

The Korea Institute of Nuclear Safety confirmed diminishing traces of iodine-131, cesium-137 and cesium-134 have been detected by the country's 12 detection centers.

It, however, stressed that concentration levels posed no real health threats to humans and would not impact the environment

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