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Monday, 11 November 2013

Lower radiation readings proposed to speed return of Fukushima evacuees

Workers remove radioactive debris near Usuishi Elementary School in Iitate, Fukushima Prefecture, on July 17. (Asahi Shimbun file photo)

The Nuclear Regulation Authority has drafted a proposal to accelerate the return home of Fukushima nuclear disaster evacuees by using radiation readings that tend to be lower than the ones now officially used.
The NRA wants residents to take radiation measurements with dosimeters instead of relying on the current government system of determining levels through aircraft monitoring...
...Since September, at the request of the government's Nuclear Emergency Response Headquarters, a team consisting of NRA members and outside experts has discussed “scientific and technical aspects” of a basic direction regarding the return home of evacuees.
At a June meeting following decontamination work in Tamura, Fukushima Prefecture, the central government suggested that residents check radiation exposure levels by themselves with dosimeters.
The NRA urged the government to continue the decontamination work to further reduce radiation levels, saying that giving residents an option to choose the timing of their return home is its responsibility.
But the NRA’s draft proposal, to be announced on Nov. 11, does not refer to impact on evacuees’ health and measures that should be taken. An NRA official also confirmed that it never used the word “safe” in discussions.
The NRA proposal recommends having “communicators” explain to residents about acceptable levels of radiation to eliminate their anxieties.
Under international standards, an annual radiation dose of 1 to 20 millisieverts is acceptable.
Based on those standards, the Japanese government plans to bring annual radiation doses in heavily contaminated areas to within 20 millisieverts to allow residents to return, and eventually to “1 millisievert or less” as a long-term goal...
... some evacuees have raised concerns about returning to areas that have not achieved the 1-millisievert goal.
(This article was written by Yuri Oiwa and Ryuta Koike.)
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