Fukushima Daiichi Nuclear Power Plant Country and TEPCO "Disposal of water containing radioactive substances is necessary for decommissioning" September 11, 19:30

The disposal of water containing radioactive substances such as tritium, which continues to increase at TEPCO's Fukushima Daiichi Nuclear Power Station, is still under debate nine and a half years after the accident.

The person in charge of the government and TEPCO reiterated the idea that "in order to proceed with decommissioning, it is necessary to dispose of the water in the tank and use it for the site of the new facility."

At the Fukushima Daiichi Nuclear Power Plant, rainwater and groundwater flow into the reactor building and other underground areas to generate contaminated water, and the amount of water containing radioactive substances such as tritium that remains after processing this is increasing.

Currently, 1.23 million tons have been stored in approximately 1050 tanks, and tank expansion work was underway on the 11th.

TEPCO is taking measures to prevent the generation of contaminated water, such as installing covers on buildings, but it is still increasing at a pace of 180 tons a day, and the current plan is to install all tanks around the summer of 2022. Is going to be full.

A person in charge of TEPCO said, "It's not that we can't make even one tank in the future, but in order to proceed with decommissioning, we will dispose of the water in the tank and temporarily use spent fuel and nuclear fuel debris that will be needed in the future. It is necessary to allocate it to the site such as storage facilities. "

Regarding the disposal of water containing tritium, etc., in February, a national subcommittee compiled a report saying that it is realistic to dilute it below the standard and release it into the sea or the atmosphere. Some fishermen say that if it is released into the sea, it will lead to new rumors and it is unacceptable.

The government will continue to listen to opinions from local communities and related organizations before deciding on a policy.

Masato Kino, a decommissioning and contaminated water countermeasure officer of the Ministry of Economy, Trade and Industry, said, "There are voices calling for long-term storage, but there are also voices from local residents who think that storing treated water itself may cause rumors, so decommissioning In order to proceed, we will have to dispose of the treated water eventually. "