The Nuclear Regulation Authority said at its regular meeting today the proposal by the plant operator, Tokyo Electric Power Co., is deemed appropriate and the removal at Unit 4's top floor can start in November as planned.
Unit 4 reactor was offline when Fukushima Dai-ichi suffered meltdowns following the March 2011 earthquake and tsunami. The building was damaged by hydrogen explosions and fire.
TEPCO has reinforced the structure and says the building can survive a major quake, but the unit's unenclosed pool containing 1,533 fuel rods has caused international concern.
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