Reactor Fuel Removal at Fukushima No. 1 Plant May Be Delayed Up To 3 Years

via Japan Times / June 10, 2015 / The government and Tokyo Electric Power Co. are planning to push back the start of removing spent fuel at the wrecked Fukushima No. 1 nuclear complex by two to three years from the current schedule, according to government sources. Under an envisioned revised road map for decommissioning reactors 1 to 4 at the plant, which was ravaged by the March 2011 earthquake … Continue reading

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TEPCO/Japan Govt. Mull 3 Options To Remove Melted Nuclear Fuel

via the-japan-news.com / April 11, 2105 / The government and Tokyo Electric Power Co. are studying three different plans to remove melted nuclear fuel from reactors at the crippled Fukushima No.1 nuclear power plant, it has been learned. The Yomiuri Shimbun obtained a draft outline of an operation road map as well as a strategic plan on technical methods concerning the removal of melted fuel rods in reactors Nos. 1 … Continue reading

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Survey Robot Breaks Down Inside Fukushima No. 1 Reactor

via Japan Times / April 11, 2015 / A remote-controlled robot inserted to survey the inside of the No. 1 reactor at the damaged Fukushima No. 1 nuclear power plant has stopped functioning, Tokyo Electric Power Co. said. As a first step in the utility’s effort to remove melted nuclear fuel from the bottom of the unit’s primary containment vessel, the shape-shifting robot was sent in Friday morning to find … Continue reading

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Fukushima Unit-1 Muon Scan Results: No Fuel In Reactor Vessel

via Daily Kos / March 19, 2015 / “Japan’s Fukushima Daiichi Nuclear Power Station, destroyed 4 years ago in explosions and meltdowns triggered by an earthquake and tsunami, won’t be truly safe until engineers can remove the reactors’ nuclear fuel. But first, they have to find it.“ So begins an in-depth article in the March 6th edition of the Journal Science entitled Muons probe Fukushima’s ruins. In February of this … Continue reading

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Looking Inside Fukushima Daiichi Unit 1

via world-nuclear-news.org / February 10, 2015 / TEPCO said it is installing a muon detection system at the unit. The system comprises two measuring devices. The first was installed on the north side of the reactor building yesterday, while the second was scheduled to be put in place on the west side of the building today. Once the system is installed, it will be ready for testing, the company said. Muons are high-energy … Continue reading

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TEPCO to bury Fukushima plant trench with concrete to control radioactive water

via mainichi.jp / November 23, 2014 / Tokyo Electric Power Co. (TEPCO) has decided to bury a trench at the crippled Fukushima No. 1 Nuclear Power Plant using concrete after an effort to completely stop the flow of radiation contaminated water failed, it has been learned. TEPCO reported its plan to the Nuclear Regulation Authority (NRA) on Nov. 21, and the NRA approved it, saying that the plan can at … Continue reading

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Fukushima Reactor 1 Dismantling To Be Delayed

via Japan Times / October 30, 2014 / In the first-ever delay in the plans to dismantle reactor 1 at Tokyo Electric Power Co.’s stricken Fukushima No. 1 nuclear power plant, the government and the utility have agreed to postpone the removal of fuel rods from the spent-fuel pool by two years from the initial plans, NHK reported Thursday. The date of extracting the meltedfuel rods from the reactor core, … Continue reading

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Ill Wind Blows Another Worry For Fukushima Nuclear Plant

By Robert Myles / allvoices.com / October 28, 2014 / A violent gust of wind, Tuesday, indirectly caused a further problem in the shape of a major hole in the cover protecting number one reactor at the stricken Fukushima Nuclear Plant in Japan, according to Fukushima operator, the Tokyo Electric Power. The incident occurred as a result of strong winds when a crane was in motion. A hole about 30 … Continue reading

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Fukushima Damage Finally to Be Probed

via guardianlv.com / June 25, 2014 / Three years ago, on March 11, 2011, a catastrophic failure at the Fukushima Daiichi nuclear power plant occurred. Three out of the six nuclear reactors in the plant melted down when the area was hit by a tsunami, which occurred as an after-effect of an earthquake. The 2011 catastrophe was the largest nuclear disaster since Chernobyl in April 1986. It is one of only a … Continue reading

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Fukushima control room shown to media

via NHK World / February 26, 2014 / The operator of the Fukushima Daiichi nuclear plant has opened the central control room for the facility’s No.1 and 2 reactors to media for the first time since the 2011 accident. Tokyo Electric Power Company organized the visit on Wednesday ahead of the 3rd anniversary of the March 11th earthquake and tsunami that cut off power and crippled the plant. The room … Continue reading

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Record cesium levels reported at Reactor 1 (again)

via RT.com / February 14, 2014 / A record high level of radioactive cesium has been found in groundwater beneath the crippled Fukushima No. 1 nuclear power plant, it operator TEPCO revealed. On February 13, Tokyo Electric Power Co. reported 37,000 becquerels of cesium-134 and 93,000 becquerels of cesium-137 were detected per liter of groundwater sampled from a monitoring well earlier that day. Water samples were taken from the technical … Continue reading

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TEPCO Admits 80 Spent Fuel Assemblies Had Damage Before Nuclear Accident

via EX-SKF / November 18, 2013 / Move over, three fuel assemblies with damaged/deformed fuel rods inside in the Reactor 4 Spent Fuel Pool! You’re nothing. According to Kahoku Shinpo, a Fukushima local paper, TEPCO admitted on November 15, 2013 that there are 70 fuel assemblies with damaged fuel rods in the Reactor 1 Spent Fuel Pool, located on the operating floor (top floor) of the reactor building whose air radiation … Continue reading

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Robot pinpoints leaks on Fukushima unit 1

via NHK World / November 14, 2013 / A robot at the damaged Fukushima Daiichi nuclear plant has for the first time identified exactly where highly radioactive water is leaking from a reactor. Plant operator Tokyo Electric Power Company, or TEPCO, on Wednesday succeeded in sending a remote-controlled robot close to the lower part of the No.1 reactor’s containment vessel. The lower section is filled with contaminated water injected to … Continue reading

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Record radioactivity level found at Fukushima plant well

via Asahi Shimbun / A record high level of 710,000 becquerels of beta-ray sources, such as radioactive strontium, was detected per liter of water in an observation well at the crippled Fukushima No. 1 nuclear plant. Tokyo Electric Power Co. said Nov. 12 the water was taken Nov. 10 at the well 10 meters north of a tank that leaked 300 tons of highly contaminated water before the problem was … Continue reading

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Fukushima No. 1 nuclear power plant to become training center

via The Asahi Shimbun / Sep 21, 2013 / TEPCO, resigned to never restarting its Fukushima No. 1 nuclear power plant as concerns grow over radioactive leaks, will turn the facility into a training base for decommissioning reactors. The plant operator has begun considering turning the 42-year-old plant into what would be called a “decommissioning center,” sources said Sept. 20. The new role for the plant will be included in … Continue reading

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Fukushima No. 1 nuclear power plant to become training center

via The Asahi Shimbun / Sep 21, 2013 / TEPCO, resigned to never restarting its Fukushima No. 1 nuclear power plant as concerns grow over radioactive leaks, will turn the facility into a training base for decommissioning reactors. The plant operator has begun considering turning the 42-year-old plant into what would be called a “decommissioning center,” sources said Sept. 20. The new role for the plant will be included in … Continue reading

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TEPCO: ‘Fracture-like’ Traces Found on Unit 1 and 2 Exhaust Stack

via ENENews.com / Sep 18, 2013 / We have been conducting an on-site inspection for seismic safety evaluation on the exhaust stack for Units 1 and 2 at Fukushima Daiichi NPS. Today (on September 18), in the inspection, we found fracture-like traces on steel members (diagonal bracings) of the exhaust stack (pictured). Since the area around the exhaust stack includes a location with a high dose rate, we will start … Continue reading

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Tritium levels in #Fukushima bay highest since measurements began – reports

via RT.com / Aug. 19, 2013 / Readings of tritium in seawater taken from the bay near the crippled Fukushima nuclear plant has shown 4700 becquerels per liter, a TEPCO report stated, according to Nikkei newspaper. It marks the highest tritium level in the measurement history. Tokyo Electric Power Company (TEPCO) has detected the highest radiation level in seawater collected in the harbor of the crippled nuclear plant in the … Continue reading

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Toxic puddles found near water tanks at #Fukushima

via Japan Times / Aug. 20, 2013 / Puddles of water with extremely high radiation levels have been found near water storage tanks on the premises of the crippled Fukushima No. 1 nuclear power plant, nuclear regulators and plant operator Tokyo Electric Power Co. said Monday. The radiation level, measured around 50 cm above the toxic water, stood at about 100 millisieverts per hour, Tepco said, while acknowledging that the … Continue reading

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