Japan's Ministry of economy, industry and industry declared that the radiation polluted water from the Fukushima Daiichi nuclear power plant would be "very small" if discharged into the sea or the atmosphere.
The Ministry of industry and industry sent a report to a government Subcommittee on the treatment of radiation polluted water to make the above inference.
According to the province of economy and industry, if the existing polluted water is discharged within one year, the annual radiation level of sea water near the discharge point will be 0.052-0.62 millisieverts, and the annual radiation level of atmosphere will be 1.3 millisieverts, far lower than the natural average annual radiation level of 2100 millisieverts.
Siver reflected the effect of radiation dose on biological arrangement. One joule of energy per kilogram of organism is arranged to be absorbed as 1 Sievert. 1 Sievert is 1000 milliSievert.
The Fukushima Daiichi nuclear power plant was severely damaged in the March 11, 2011 East Japan earthquake and tsunami, resulting in the highest level radiation leakage incident.
The incident handler is collecting the cooling water and groundwater of the nuclear reactor containing radioactive substances, which are stored in the water tank in the nuclear power plant. The water volume has exceeded 1 million tons and is continuously added every day.
Tokyo Electric Power Company, which operates the plant, said it did not expect to continue adding water storage tanks by the end of 2020, and that the capacity would reach the limit of about 1.37 million tons in the summer of 2022.
Many Japanese people and fishery associations strongly oppose the discharge of radiation polluted water. In August, the South Korean government summoned the Japanese Minister to South Korea and delivered a note expressing South Korean concerns, asking the Japanese government to clarify the plan for the treatment of polluted water.
