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Worldwide Responses to the 20 Millisievert Controversy20

Published online by Cambridge University Press:  07 May 2025

Satoko Oka Norimatsu
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On April 19, the Japanese government raised the allowable annual radiation exposure limit from 1 mSV (millisievert) to 20 mSV. The decision has been heavily criticized by experts inside and outside Japan, as it is applied to children who are more susceptible to radiation, and this limit does not take internal radiation dosage into consideration. 20 mSV is the yearly average of what is allowed for Japanese nuclear plant workers under normal circumstances. On this website, we have so far primarily written and provided information in English on this “20 mSV” issue and on the Fukushima nuclear crisis in general. In this post we attempt to compile a list of articles, video news, press releases available in English and other languages.

Type
Research Article
Information
Asia-Pacific Journal , Volume 10 , Issue 54 , December 2012 , e62
Creative Commons
Creative Common License - CCCreative Common License - BYCreative Common License - NCCreative Common License - ND
This is an Open Access article, distributed under the terms of the Creative Commons Attribution-NonCommercial-No Derivatives licence (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is unaltered and is properly cited. The written permission of Cambridge University Press must be obtained for commercial re-use or in order to create a derivative work.
Copyright
Copyright © The Authors 2012

Footnotes

Between 2012 and 2014 we posted a number of articles on contemporary affairs without giving them volume and issue numbers or dates. Often the date can be determined from internal evidence in the article, but sometimes not. We have decided retrospectively to list all of them as Volume 10, Issue 54 with a date of 2012 with the understanding that all were published between 2012 and 2014.' As footnote