About 100 people worked in a no-go zone near the Fukushima Daiichi Nuclear Power Plant in Fukushima, but were not notified that they would need to monitor their radiation exposures. This article highlights issues with the use of labor contractors and of compliance with basic safety standards.
April 3, 2015 – The Mainichi Daily
http://mainichi.jp/english/english/newsselect/news/20150403p2a00m0na015000c.html