As previously reported, three workers at the Fukushima Daiichi nuclear power plant were exposed on 24 March to elevated levels of radiation. The IAEA has received additional information on the incident from the Japanese authorities.
For two of the three workers, significant skin contamination over their legs was confirmed. The Japanese authorities have stated that during medical examinations carried out at the National Institute of Radiological Sciences in the Chiba Prefecture, the level of local exposure to the workers legs was estimated to be between 2 and 6 sieverts. While the patients did not require medical treatment, doctors decided to keep them in hospital and monitor their progress over coming days.
A table of comparative radiation levels can be seen here.
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The three workers have been released from hospital. Source: http://www.yomiuri.co.jp/national/news/20110328-OYT1T00702.htm
According to a spokesman from the NISA (Nuclear and Industrial Safety Agency), two of the three workers were exposed to between 2-3 Sv of radiation below their ankles [where the radioactive water was sloshing around in their gumboots]. These two workers are showing no signs of skin damage. The spokeman added that the two workers will be observed for a while after their release from hospital.
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