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Robot finds likely melted fuel heap inside Fukushima reactor
Key Excerpts from Article on Website of San Francisco Chronicle/Associated Press
Posted: July 30th, 2017
http://www.sfgate.com/news/world/article/Robot-finds-likely-...
Images captured by an underwater robot showed massive deposits believed to be melted nuclear fuel covering the floor of a damaged reactor at Japan's crippled Fukushima nuclear plant. The robot found large amounts of solidified lava-like rocks and lumps in layers as thick as 1 meter (3 feet) on the bottom inside of a main structure called the pedestal that sits underneath the core inside the primary containment vessel of Fukushima's Unit 3 reactor, said the plant's operator, Tokyo Electric Power Co. On Friday, the robot spotted suspected debris of melted fuel for the first time since the 2011 earthquake and tsunami caused multiple meltdowns and destroyed the plant. Locating and analyzing the fuel debris and damage in each of the plant's three wrecked reactors is crucial for decommissioning the plant. The search for melted fuel in the two other reactors has so far been unsuccessful because of damage and extremely high radiation levels. During this week's probe, cameras mounted on the robot showed extensive damage caused by the core meltdown, with fuel debris mixed with broken reactor parts, suggesting the difficult challenges ahead in the decades-long decommissioning of the destroyed plant.
Note: Following the Fukushima disaster, at least three Tepco officials were indicted for knowingly operating an unsafe nuclear power plant. And though the plant is extremely toxic now years after the disaster, top officials still claim nuclear power is extremely safe. For more along these lines, see concise summaries of deeply revealing news articles on the Fukushima Nuclear Plant meltdown.
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