According to TOI, the new proposal stated the methods have been implemented previously, after the core meltdown at Three Mile Island in 1979 to dispose of 87,000 tons of tritium water in two years. The proposal by the Agency for Natural Resources and Energy has put forth three methods to get rid of the water. The agency, part of the Ministry of Economy, Trade and Industry (METI) wants to gradually release water into the sea or the air(through vaporisation) or both.
The annual radiation levels are expected to be about 0.052 to 0.62 microsievert at sea while about 1.3 microsieverts in the atmosphere near the release points. A nuclear expert from the International Atomic Energy Agency (IAEA) explained to the JapanTimes that controlled discharge of radioactive water "is something which is applied in many nuclear facilities, so it is not something that is new."
The annual radiation levels are expected to be about 0.052 to 0.62 microsievert at sea while about 1.3 microsieverts in the atmosphere near the release points. A nuclear expert from the International Atomic Energy Agency (IAEA) explained to the JapanTimes that controlled discharge of radioactive water "is something which is applied in many nuclear facilities, so it is not something that is new."
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