Distribution and origin of highly radioactive microparticles in Fukushima revealed
Team members (Satoshi Utsunomiya and Ryohei Ikehara) completing a radiation survey in the now overgrown Fukushima nuclear exclusion zone.
October 16, 2019
New method allows scientists to create a quantitative map of radioactive cesium-rich microparticle distribution in soils collected around the damaged Fukushima Daiichi Nuclear Power Plant Nuclear Power Plant. This could help inform clean-up efforts in Fuksuhima region.
Distribution, number, source, and movement of the microparticles in the environment has remained poorly understood
A large quantity of radioactivity was released into the environment during the 2011 Fukushima Daiichi Nuclear Power Plant accident. The released radioactivity included small, poorly soluble, cesium-rich microparticles. The microparticles have a very high radioactivity per unit mass (~1011 Bq/g), but their distribution, number, source, and movement in the environment has remained poorly understood. This lack of information has made it hard to predict the potential…
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