Censium-137, a highly radioactive material was found in Korea’s air and soil in between February of 2011 and April 2011, but only a small amount was detected. The yellow dust are thinly grinded sand which was blown from the Gobi desert located in China and Mongolia and they sometimes are carrying toxic chemical smog produced by Chinese factories.
Approximately 89.6 becquerels per cubic meter of censium-137 was detected in atmospheric concentration. This is high compared to last March and is making some people grow worrisome. However the harmful amount of censium-137 is 50,000 becquerels per cubic meters to humans.
(아주경제 제임스 김 기자)
reporter
Park Sae-jin
swatchsjp@ajunews.com