Press Release
September 17, 2026
- Water & Soil
Publication of a report on Interlaboratory Comparison conducted by IAEA
1. The International Atomic Energy Agency (IAEA) has organized Interlaboratory Comparisons (ILCs) to assist the Government of Japan (GOJ) in ensuring that the results of Sea Area Monitoring in Japan are credible and transparent. The GOJ would like to announce that the IAEA released a report summarizing the results of ILC in 2024.
2. In the report, the IAEA concludes that Japan's sample collection procedures continue to follow the appropriate standards required to obtain representative samples and that the accurate results obtained in ILC 2024 and in previous IAEA ILCs demonstrate a continued high degree of proficiency and confidence on the part of the Japanese laboratories.
3. Since 2022, another ILC has been conducted to corroborate the results of Sea Area Monitoring related to ALPS treated water and its report will be published separately by the IAEA.
■Outline of ILC
The Ministry of the Environment (MOE), Japan, conducts Sea Area Monitoring based on the Comprehensive Radiation Monitoring Plan. At the request of the GOJ, the IAEA has organized ILCs since 2014 to assist the GOJ in ensuring that the results of Sea Area Monitoring in Japan are credible and transparent.
In addition to experts from the IAEA, experts from laboratories in China, the Republic of Korea and Switzerland visited Japan in October 2024 to jointly collect samples.
In addition to experts from the IAEA, experts from laboratories in China, the Republic of Korea and Switzerland visited Japan in October 2024 to jointly collect samples.
■ Full report
The report is available on the IAEA website.
https://www.iaea.org/sites/default/files/interlaboratory-comparison-2024-determination-of-radionuclides-in-seawater-sediment-and-fish.pdf
https://www.iaea.org/sites/default/files/interlaboratory-comparison-2024-determination-of-radionuclides-in-seawater-sediment-and-fish.pdf
