ALPS Treated Water

The Advanced Liquid Processing System (ALPS), a multi-nuclide removal system, removes various radioactive materials from contaminated water.

Outline of ALPS treated water

• Basic Policy on handling of ALPS treated water at the Tokyo Electric Power Company Holdings’ Fukushima Daiichi Nuclear Power Station(PDF:347KB)
• PR material: “Announcement of the Basic Policy on handling of the ALPS treated water at TEPCO’s FDNPS”（English）(PDF:300KB)
• PR material: “Announcement of the Basic Policy on handling of the ALPS treated water at TEPCO’s FDNPS”（Simplified Chinese）(PDF:298KB)
• “TEPCO Draft Study Responding to the Subcommittee Report on Handling ALPS Treated Water” (TEPCO website)

Related documents

• Basic policy on handling of the ALPS treated water (Briefing material; April 13, 2021) (PDF:2,682KB)

Status of studies on the handling of ALPS treated water

Team for Contaminated Water and Decommissioning Issues

• “Team for Contaminated Water and Decommissioning Issues” meeting (October 23, 2020) (in Japanese)
• The Outline of the opinions for ALPS treated water (PDF:505KB)

The Subcommittee on Handling ALPS treated water (Japanese)

• The Subcommittee on Handling of the ALPS treated water Report（February 10, 2020）(PDF:2,063KB)
• The Outline of the Subcommittee on Handling of the ALPS treated water Report(PDF:505KB)

 

Tritiated Water Task Force (2013-2016)

• Tritiated Water Task Force Report (June 2016, Tritiated Water Task Force) (September 15, 2016)(PDF:2,824KB)

ALPS treated water Q&A

Here, we will answer the questions of ALPS treated water.
If you have questions, please check the answer!

＜“treated water” and “contaminated water”＞
Q1: What is “ALPS treated water”?
Q2: Why is “contaminated water” generated?

＜Characteristics of the ALPS treated water＞
Q3: What is tritium?
Q4: Can tritium be removed?
Q5: Does the treated water contain radioactive materials other than tritium?

＜Handling of the ALPS treated water＞
Q6: Why is discharge of ALPS treated water needed?
Q7: Why was Discharge into the sea selected as the method of disposal?
Q8: Is it possible to store or discharge treated water outside of Fukushima Daiichi NPS (FDNPS)？
Q9: Is it possible to store in intermediate storage facilities?

 

＜Radiation impact of ALPS treated water＞
Q10: What regulatory standards are applicable to the discharge from Fukushima Daiichi NPS (FDNPS)？
Q11: What level of radioactive impact will the release of the treated water have?

 

＜Countermeasures for possible reputational damage＞
Q12: What kind of countermeasures will be taken for possible reputational damage?

＜Future plans＞
Q13: What are the steps toward handling of treated water?

ANRE Special Contents - article on ALPS treated water -

• First priority is given to safety and security Measures related to contaminated water in Fukushima Experts’ advice on ALPS treated water (May 29, 2020)

• Fight against contaminated water: The generation of contaminated water steadily reduced to about one-third (August 8, 2019)

Related Links

• TEPCO: Tokyo Electric Power Company
• TEPCO:TREATED WATER POTAL SITE
• NDF: Nuclear Damage Compensation and Decomissioning Facilitation Corporation
• NRA: Nuclear Regulation Authority
• MAFF: Ministry of Agriculture, Forestry and Fisheries
• Fukushima Prefecture: Food monitoring site
• IRID: International Research Institute for Nuclear Decommissioning
• JAEA: Japan Atomic Energy Agency
• IAEA: Fukushima Daiichi Status Updates

Division in Charge

Nuclear Accident Response Office, Electricity and Gas Industry Department, Agency for Natural Resources and Energy