Press Releases
Additional Measures under the IAEA framework related to the discharge of ALPS treated water into the sea (Results)
September 10, 2025
As a part of additional measures under the IAEA framework that Japan and the IAEA concurred on conducting in September 2024, the IAEA officials and experts from third-party laboratories visited Japan and collected samples on September 9 and 10.
- On September 9, IAEA officials and experts from laboratories from China, New Zealand, Republic of Korea, Russian Federation and Switzerland sampled seawater in the vicinity of Tokyo Electric Power Company Holdings(TEPCO)’s Fukushima Daiichi Nuclear Power Station (FDNPS).
- On September 10, IAEA officials and experts from the above-mentioned laboratories selected the landed fishery products at a fishing port in Iwaki City, Fukushima Prefecture.
- This was the fifth mission for conducting the additional measures, following October 2024, February, April, and June 2025.
- 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)