Fukushima inspection team returns home… “The final evaluation will be released as soon as possible”

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“This inspection is not the end”
“We will secure all data and proceed with further work.”

On the 26th, Yu Kook-hee, chairman of the Nuclear Safety and Security Commission, who visited Japan as the head of the Fukushima contaminated water inspection team, said, “I will summarize and explain the inspection activities as soon as possible. We plan to make a final comprehensive evaluation and disclose that part.”

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Chairman Yu told reporters at Incheon International Airport that afternoon, “I have returned from a field inspection of Fukushima’s contaminated water discharge facilities and plans.”

Previously, Chairman Yoo left for Japan on the 21st. An on-site inspection team consisting of 21 people, including Chairman Yoo, who headed the inspection team, and a radiation expert from the Korea Institute of Nuclear Safety, returned to Korea that day after visiting Fukushima for six days and five nights. The inspection team was scheduled to look into the entire process of purifying the contaminated water from the Fukushima Daiichi Nuclear Power Plant and releasing it into the sea.

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Regarding the contents of the inspection that day, Chairman Yoo said, “In this inspection, a task force (TF) was formed with experts at the Institute of Nuclear Safety and Technology from August 2021 to check the site and inspect the facilities based on what has been reviewed so far.” To emphasize it once again, it was one of the schedules that had been reviewed before. The inspection does not end at this time,” he said.

Chairman Yu said, “We inspected the multi-nuclide removal facility ALPS, the K4 tank group, the contaminated water transfer facility and dilution and discharge facility from the K4 tank group, the site of the control room that controls these facilities, and the radioactive chemical analysis room.” On the 25th, based on what we saw as an extension of this field visit, we further inquired about matters to be confirmed and requested related materials.”

He said, “The focus was on the adequacy of the homogenization part in terms of whether radionuclides can be removed in the case of the Alps facility and whether the K4 tank can have sample collection representativeness as it is a facility for checking contaminated water.” As it is a facility that transports contaminated water, the main focus is whether radiation detection, installation, and shut-off valves are properly installed.”

“The dilution facility is a facility that mixes seawater with contaminated water. We looked at whether there is sufficient seawater dilution capacity and how to take action and control when an alarm is raised in the operation control room, which operates and controls these facilities as a whole.” I focused on,” he added.

“There were questions and answers with the Japan Nuclear Regulatory Commission. The Regulatory Commission is an institution that evaluates the safety of Tokyo Electric Power’s discharge facility plan in Japan,” he said. Afterwards, I asked questions about the radiation impact assessment and received answers.”

Chairman Yoo said, “This inspection is not the end. During the inspection, we additionally checked and received data, and there were also data obtained. “Based on this data, we are going to secure all the data in the part that has been confirmed through questions and answers between the governments and proceed with additional work,” he said.

He added, “After securing all the data, we are going to proceed with additional work.

Ocean discharge of Fukushima contaminated water


Source: Donga

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