Rules set for disposal of hot debrisKyodo
Burned or incombustible debris in Fukushima Prefecture can be buried at waste dumps if it is emitting less radiation than the legal limit, the Environment Ministry said.
Guidelines issued Sunday cover debris in coastal and central areas of the prefecture, except for zones where people were evacuated due to radioactive fallout from the Fukushima No. 1 nuclear plant.
The ministry set the limit at 8,000 becquerels per kilogram of radioactive cesium-134 and -137 so people working at disposal sites will not be exposed above the limit of 1 millisievert per year.
While debris with 8,000 becquerels or less of cesium can be buried at controlled disposal sites and separately from general garbage, rubble above the limit will be kept at a facility shielded by concrete walls for the time being while the ministry considers how to dispose of it.
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