By Mia 14/11/13
It was proposed by the regulatory commission’s secretariat at its meeting Monday and gained broad-based consensus.
Dosimeter readings tend to be less than half of those using the existing method based on air dose rates, which assume that residents stay outdoors for a total of eight hours a day, according to the NRA Secretariat.
The proposal comes as the government is aiming to lift the evacuation advisory for areas where annual radiation doses are estimated at 20 millisieverts or lower.
The new method is expected to help promote the return of evacuees as well as reduce costs for decontaminating areas tainted by radioactive fallout from the Tokyo Electric Power Co. plant.