2025.03.30 14:20Nation

今年度最後の処理水放出が完了 7回で計5万トン超―東電福島第1原発

 東京電力は30日、福島第1原発にたまる放射性物質トリチウムを含む処理水の今年度7回目の海洋放出を終えたと発表した。12日以降、計約7800トンを大量の海水で薄め、海底トンネルを通じて約1キロ沖合に流した。
 来年度も引き続き計約5万4600トンを7回に分けて海に流す計画。これまでよりトリチウムの含有量が増える予定で、年間放出総量は今年度を1兆ベクレル上回る計15兆ベクレルになる見通し。(2025/03/30-14:20)

2025.03.30 14:20Nation

TEPCO Completes Treated Water Discharge in Fukushima for FY 2024


Tokyo Electric Power Company Holdings Inc. said Sunday that it has completed the ocean discharge of treated water containing radioactive tritium from its stricken Fukushima No. 1 nuclear power plant for fiscal 2024, which ends Monday.
   The company released about 7,800 tons of treated water that was diluted with seawater about 1 kilometer off the coast of Fukushima Prefecture, northeastern Japan, through an undersea tunnel in the final and seventh round of discharge for the fiscal year. The latest round started on March 12.
   In fiscal 2025, TEPCO plans to release a total of about 54,600 tons in seven discharges. The amount of tritium to be released is expected to reach 15 trillion becquerels, up 1 trillion becquerels from the previous year.
   TEPCO started the treated water discharge in August 2023, releasing about 85,800 tons so far. Tritium concentrations in seawater and fishery products are far below the national standard.

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