本日の福島県への津波注意報/警報発表に伴い、福島第一·福島第二原子力発電所構内の作業員に対して避難指示を出しています。両発電所において、全ての人員が高い場所に避難したことを確認しており、現時点でけが人は確認されておりません。また、現時点で両発電所において、プラントバラメータや設備に異常がないことを確認しております。引き続き、津波情報を注視するとともに、発電所への影響の有無を監視しています。なお、福島第一原子力発電所では、ALPS処理水希釈放出設備については、遠隔監視にて異常がないことを確認していますが、津波注意報が発表されたことを受け、7月30日午前9時5分に、事前に定めた運用に従い、計画的に運転を手動停止しております。

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TREATED WATER PORTAL SITE

TEPCO is prioritizing safety while steadily moving forward with each and every task needed to decommission the Fukushima Daiichi Nuclear Power Station and reduce risks as we aim to "balance recovery with decommissioning."
We are making every effort to convey accurate information about initiatives pertaining to ALPS treated water, etc. which is part of the decommissioning process, so as to obtain the understanding of society as a whole.

重要なお知らせ

ALPS Treated Water Conditions of Discharging into the Sea

❶ ALPS Treated Water, etc.
Reduction Status

❷ Measurement/
Confirmation Facility Conditions

❸ Dilution/Discharge Facility Conditions

Current status

❹ Sea Area Monitoring Results

Current status
No significant change has been detected.

TEPCO

©Tokyo Electric Power Company Holdings, Inc.

What is ALPS Treated Water?

  • 1. Water treated with multi-nuclide removal equipment (ALPS) so that the concentrations of radioactive materials other than tritium sufficiently satisfy regulatory standards for safety (sum of ratios of legally required concentrations, excluding tritium, is less than 1) shall be referred to as, "ALPS treated water."

  • 2. Water that has been purified with multi-nuclide removal equipment (ALPS), but for which the concentrations of radioactive materials do not meet regulatory standards for safety (sum of ratios of legally required concentrations, excluding tritium, is 1 or higher) shall be referred to as, "Treated water to be re-purified."

  • 3. The term "ALPS treated water, etc." shall be used when referring to both types of water defined in 1. and 2. above.

Attention: Open Call for Tritium Separation Technology

In relation to the open call for "Technology to separate Tritium from Water Treated with Multi-Nuclide Removal Equipment (ALPS)", it was reported that there was acts such as demanding money based on a false information that their proposal has been adopted.
TEPCO Group Companies, Mitsubishi Research Institute (MRI), a third party organization, and the relevant ministries will NOT demand for any money related to this open call.

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