Parents and teachers in Fukushima Prefecture are skeptical about the government-set level of exposure to radiation for children, especially in relation to outdoor activities. They fear children's health may be affected by radioactive contamination from the Fukushima Daiichi nuclear power plant.
The education ministry released a report to the Nuclear Safety Commission on Thursday concerning school yards at 55 locations where high levels of radiation had been detected. It also reported that after the top soil was removed at 41 locations, the radiation level dropped to 0.5 microsieverts per hour on average.
The report also said that all locations had radiation levels under the government-set 3.8 microsieverts per hour. The ministry has said that schools where this level is met can restart children's outdoor activities.
But many parents and teachers in the prefecture are skeptical about the standard set by the ministry.
They say exposure of 3.8 microsieverts per hour is too high compared to the long-term reference level recommended by the International Commission on Radiological Protection.
All schools continue to refrain from outdoor activities or limit them to 1 to 3 hours per day.
The Nuclear Safety Commission member Seiji Shiroya says the standard should not be set unilaterally and that it should be established at a level all, including the parents, can accept.
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