IAEA officials say Fukushima’s ongoing discharge of treated radioactive wastewater is going well
TOKYO (AP) — The operator of the Fukushima Daiichi nuclear power plant said the discharge of the second batch of treated radioactive wastewater into the sea ended as planned on Monday, and International Atomic Energy Agency officials in Japan for their first safety and monitoring mission since the release began two months ago said “no issues” were observed.
Fukushima Daiichi started releasing treated and diluted radioactive wastewater into the sea on Aug. 24. The operator, Tokyo Electric Power Company Holdings, said the release of a second, 7,800-ton batch of treated wastewater was completed, with its daily seawater sampling results fully meeting safety standards.
A magnitude 9.0 quake on March 11, 2011, triggered a massive tsunami that destroyed the plant’s power supply and cooling systems, causing three reactors to melt and spew large amounts of radiation. Highly contaminated cooling water applied to the damaged reactors has leaked continuously into building basements and mixed with groundwater.
The release of treated wastewater is expected to continue for decades. It has been strongly opposed by fishing groups and neighboring countries including South Korea, where hundreds of people have protested. China banned all imports of Japanese seafood the day the release began, badly hurting Japanese seafood producers, processors and exporters. Russia recently joined China in the trade restrictions.
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“I would say that the first two batches of releases went well. No issues were observed,” Lydie Evrard, IAEA deputy director general and head of the department of nuclear safety and security, told a Tokyo news conference.
Evrard, whose visit came on the heels of a marine sampling mission by another IAEA team that included scientists from China, South Korea and Canada, said all participants in that mission shared her view.
She said China has been involved in the IAEA safety task force since the beginning of the review that began two years ago and has participated in corroboration activities including last week’s sampling mission.
IAEA officials on last week’s mission said the inclusion of observers from multiple nations is important for transparency and confidence in Japan’s laboratory work and analysis.
Evrard said she visited Fukushima Daiichi on Friday for a firsthand look at how the discharge has been carried out.
During her visit, IAEA task force and Japanese officials are expected to discuss the safety of the ongoing discharge and their future mission plans, with a report expected by the end of the year. She said the discharge plan would be updated with new findings and data collected over the past two months.
The IAEA, based on its two-year review of TEPCO’s wastewater release plan, concluded in July that if it is carried out as planned, it will have a negligible impact on the environment, marine life and human health.
Japan’s government and TEPCO say the discharge is unavoidable because wastewater storage tanks at the plant will be full next year. They say the water produced by the damaged plant is treated to reduce radioactivity to safe levels, and then diluted with massive amounts of seawater to make it much safer than international standards.
TEPCO has said it plans to release 31,200 tons of treated water by the end of March 2024, which would empty only 10 tanks out of 1,000 because of the continued production of wastewater at the plant.
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