Nuclear

Nuclear
N-reactors face long screening times
Nearly eight years have passed since the severe accident at Tokyo Electric Power Company Holdings, Inc.’s Fukushima No. 1 nuclear power plant in March 2011. Based on the lessons from the accident, new safety standards for nuclear power plants were implemented in July 2013, and 15 nuclear reactors at eight power plants cleared the new standards.
TEPCO makes 1st contact with nuclear debris inside Fukushima plant
Tokyo Electric Power Company Holdings, Inc. said Wednesday that it has for the first time made contact with deposits believed to be nuclear fuel debris — a mixture of melted nuclear fuel and parts of the reactor — inside the containment vessel of the No. 2 reactor at the Fukushima No. 1 nuclear power plant.
Tepco to deploy robot for first contact with melted fuel from Fukushima No. 1 nuclear disaster
The owner of the wrecked Fukushima No. 1 power plant is trying this week to touch melted fuel at the bottom of the plant for the first time since the disaster almost eight years ago, a tiny but key step toward retrieving the radioactive material amid a ¥21.5 trillion ($195 billion) cleanup effort.
Toshiba unveils robot for probing N-debris
Toshiba Corp. unveiled a remote-controlled robot with tongs on Monday that it hopes will be able to probe the inside of one of the three damaged reactors at the tsunami-hit Fukushima nuclear plant and grip chunks of highly radioactive melted fuel.
Survey finds concentration of radioactive cesium-137 rapidly decreasing in 2 Fukushima rivers
The concentration of radioactive cesium-137, which was spread about following the accident at Tokyo Electric Power Company Holdings Inc.’s Fukushima No. 1 nuclear power plant, has been rapidly decreasing in river waters in municipalities near the facility in Fukushima Prefecture, according to a survey by the Japan Atomic Energy Agency.