"The Fisheries Agency announced on the 26th that the radioactive material tritium was not detected in a survey of fish in the surrounding sea area following the release of treated water from the Tokyo Electric Power Company's Fukushima Daiichi Nuclear Power Station into the ocean"
This is clearly a nothingburger. Articles complaining about it (without considering the background radioactivity in the ocean) reveal more about the authors than they do about the subject.
https://www.meti.go.jp/english/press/2023/0825_003.html
"The Fisheries Agency announced on the 26th that the radioactive material tritium was not detected in a survey of fish in the surrounding sea area following the release of treated water from the Tokyo Electric Power Company's Fukushima Daiichi Nuclear Power Station into the ocean"
https://www.yomiuri.co.jp/national/20230826-OYT1T50207/
This is clearly a nothingburger. Articles complaining about it (without considering the background radioactivity in the ocean) reveal more about the authors than they do about the subject.