How will Japan dilute the treated water for release?

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Japan Will Dilute Treated Radioactive Water Before Ocean Release

Japan's government has outlined a plan to dilute the treated radioactive water from the Fukushima Daiichi nuclear plant before its planned release into the sea. This dilution process aims to reduce the concentration of tritium, a radioactive isotope, to levels significantly below established domestic and World Health Organization (WHO) standards for drinking water. The entire dilution and release process is expected to be conducted under the supervision of the International Atomic Energy Agency (IAEA).
Dilution Process to Meet Safety Standards

The treated water, which has accumulated since the 2011 nuclear disaster from cooling processes, rain, and groundwater, will undergo a dilution process. While the Advanced Liquid Processing System (ALPS) removes most radioactive elements, it cannot eliminate tritium. The government has stated that the planned dilution will lower tritium levels to well below drinking water standards, a measure that will be overseen by the IAEA. This approach aligns with the view that releasing water into the ocean is a practice employed elsewhere and is not inherently problematic.
International Endorsement and Supervision

The plan to dilute and release the water has received endorsement from the International Atomic Energy Agency (IAEA). IAEA Director General Rafael Mariano Grossi has indicated that the release into the ocean is a common practice and not a cause for scandal. The government's commitment to meeting international standards, coupled with IAEA supervision, is intended to ensure the process is conducted safely and transparently.
Long-Term Release Plan

The commencement of the water release is not anticipated for at least two years, and the entire operation is projected to span several decades. This long-term approach is designed to manage the substantial volume of processed water, which amounts to approximately 1.25 million tonnes currently stored in over 1,000 tanks at the Fukushima site. The tanks are expected to reach capacity by the latter half of 2022, necessitating the planned release strategy.

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How will Japan dilute the treated water for release?

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