Experts advise stricter nuclear evacuation rules

A panel of experts from Japan's nuclear regulatory agency has proposed stricter evacuation rules for nuclear accidents.

Nuclear Regulation Authority experts advise the public to immediately take shelter when radiation levels reach 500 microsieverts per hour. That's half of the International Atomic Energy Agency guideline of 1,000 microsieverts per hour.

One day after the Fukushima Daiichi nuclear power plant accident last year, radiation of 500 microsieverts per hour was measured at a distance of 6 kilometers.

For radiation levels of 20 microsieverts per hour the panel advises residents to evacuate within a week. The current IAEA standard is 100 microsieverts per hour.
[link to www3.nhk.or.jp]
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