Photo: Eliza Strickland
By the Numbers: The Japanese government has installed radiation monitors throughout much of Fukushima Prefecture to keep residents informed of current radiation levels. This monitor’s display reads 0.859 microsieverts per hour, which equals 7.5 millisieverts per year. The government has declared that towns can be reoccupied if the radiation dose is below 20 mSv per year, which is the typical safety threshold for nuclear workers.
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