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We are committed to dealing with the accident at Fukushima Daiichi Nuclear Power Station and tackling the various issues in its aftermath, applying technologies and know-how gained from inside and outside Japan, in order to realize the plant's decommissioning.

Fuel Removal from Unit 4

as of December 15,2014

*The removal of the spent fuel assemblies was completed on November 5th,2014.
The removal operation will continue to be performed in a safe and measured manner until the last fuel assembly has been removed and transferred to the common pool.

*The radiation dose from new (unirradiated) fuel is small enough to handle by hand.

More on Fuel Removal from Unit 4


Pacific Ocean

Monitoring North side of Unit 5,6 discharge channel

  • Cs-134 : ND (12/15)
  • Cs-137 : 0.76 (12/15)
  • All β : 10 (12/15)
  • Tritium : 1.9 (12/8)
  • Last updated :Dec 19, 2014

Monitoring North side of the north breakwater

  • Cs-134 : ND (12/15)
  • Cs-137 : ND (12/15)
  • All β : ND (12/15)
  • Tritium : ND (12/8)
  • Last updated :Dec 19, 2014

Monitoring Northeast side of the port entrance

  • Cs-134 : ND (12/15)
  • Cs-137 : ND (12/15)
  • All β : ND (12/15)
  • Tritium : ND (12/8)
  • Last updated :Dec 19, 2014

Monitoring East side of the port entrance

  • Cs-134 : ND (12/15)
  • Cs-137 : ND (12/15)
  • All β : ND (12/15)
  • Tritium : ND (12/8)
  • Last updated :Dec 19, 2014

Monitoring Southeast side of the port entrance

  • Cs-134 : ND (12/15)
  • Cs-137 : ND (12/15)
  • All β : ND (12/15)
  • Tritium : ND (12/8)
  • Last updated : Dec 19, 2014

Monitoring South side of the south breeakwater

  • Cs-134 : ND (12/15)
  • Cs-137 : ND (12/15)
  • All β : ND (12/15)
  • Tritium : ND (12/8)
  • Last updated :Dec 19, 2014

Monitoring Around the south discharge channel

  • Cs-134 : ND (12/15)
  • Cs-137 : ND (12/15)
  • All β : 13 (12/15)
  • Tritium : 1.8 (12/8)
  • Last updated :Dec 19, 2014

The sampling date is provided in the parentheses.

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About Compensation for Nuclear Damages

Internal exposure dose measurement for the emergency workers who have never measured their internal exposure dose
Contact information for the emergency workers at Fukushima Daiichi Nuclear Power Station who have never measured their internal exposure dose and have lost contact