Press Releases
Additional Measures under the IAEA Framework Related to the Discharge of ALPS Treated Water into the Sea (Results)
June 25, 2026
As a part of the additional measures under the IAEA framework that Japan and the IAEA concurred on conducting in September 2024, IAEA officials and experts from third-party laboratories visited Japan and collected samples on June 24 and 25.
- On June 24, IAEA officials and experts from laboratories from China, the Republic of Korea, and Switzerland sampled seawater in the vicinity of Tokyo Electric Power Company Holdings’ Fukushima Daiichi Nuclear Power Station. H.E. Dr. Rafael Mariano Grossi, Director General of IAEA, who was paying a visit to Japan, presided over the sampling.
- On June 25, the IAEA officials and the experts selected landed fishery products at a fishing port in Iwaki City, Fukushima Prefecture.
- This was the ninth mission for conducting the additional measures since October 2024.
- The Government of Japan will continue to maintain close coordination with the IAEA in sharing information with the international community in a highly transparent manner and fostering better understanding of the safety of the discharge of ALPS treated water within both the domestic and international communities.
(Reference) Past missions for conducting the additional measures
- 1st: October 15, 2024 (collection of seawater)
- 2nd: February 19, 2025 (collection of seawater), February 20, 2025 (selection of fishery products), February 21 ,2025 (collection of ALPS treated water prior to dilution with seawater)
- 3rd: April 15, 2025 (collection of ALPS treated water diluted with seawater prior to the discharge into the sea)
- 4th: June 17, 2025 (collection of ALPS treated water prior to dilution with seawater)
- 5th: September 9, 2025 (collection of seawater), September 10, 2025 (selection of fishery products)
- 6th: December 5, 2025 (collection of ALPS treated water diluted with seawater prior to the discharge into the sea)
- 7th: February 4, 2026 (collection of seawater), February 5, 2026 (selection of fishery products)
- 8th: May 29, 2026 (collection of ALPS treated water prior to dilution with seawater)
- 9th: June 24, 2026 (collection of seawater), June 25, 2026 (selection of fishery products)