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TEPCO says Aug. water leak from tank was far more contaminated

Tokyo Electric Power Co. said Friday that toxic water found to have leaked last August at one of the huge tanks at the accident-hit Fukushima Daiichi nuclear power plant was far more contaminated than initially announced. After recalculating the radiation level, TEPCO said the water contained 280 million becquerels per liter of beta ray-emitting radioactive materials such as strontium-90, instead of 80 million becquerels.

Fuel removal crane trouble occurred because brake was on: TEPCO

The operator of the disaster-struck Fukushima Daiichi nuclear power plant said Thursday that a crane used to move spent fuel stopped working the previous day because it was operated while the brake was applied. The crane stopped moving around 9:30 a.m. Wednesday when workers were preparing to lift a batch of fuel assemblies, placed inside a transportation container, from the spent fuel pool at the No. 4 reactor building.

TEPCO says 13,000 tons of toxic water may need to be cleaned again

The operator of the crippled Fukushima Daiichi nuclear power plant said Wednesday that it may have to clean some 13,000 tons of radioactive water all over again, as it has found its water treatment system was not working properly. The Advanced Liquid Processing System, or ALPS, has been developed to drastically reduce the radiation level of highly contaminated water that is accumulating at the plant. But it has been plagued with trouble and its test-run period has been prolonged.

100 tons of toxic water leaked at Fukushima plant, no flow to sea

Roughly 100 tons of highly radioactive water leaked from one of the tanks at the crippled Fukushima Daiichi nuclear complex, plant operator Tokyo Electric Power Co. said Thursday. Steps have been taken to stop the leakage of the water, which contains 230 million becquerels per liter of strontium and other beta ray-emitting radioactive substances. The utility believes the liquid has not flowed into the adjacent sea as there is no drainage nearby.

TEPCO labor union wants utility to drop 20% salary cut

The labor union of Tokyo Electric Power Co. plans to ask the utility as soon as this week to retract its 20 percent cut in employees' annual salaries, a company source said Sunday. The union wants to prevent the departure of employees with expertise in areas that could help rebuild TEPCO, the source said. The request will be a follow-up to the utility's new business turnaround plan approved by the government in January, in which TEPCO said it will reduce the size of the salary cut.

Fukushima No. 2 reactor suppression pool may have 3-cm hole

The suppression pool connected to the No. 2 reactor at the disaster-struck Fukushima Daiichi nuclear power plant may have a 3-centimeter hole through which highly radioactive water is leaking out, the plant operator said Thursday. Tokyo Electric Power Co. said data gathered by a robot this month near the doughnut-shaped suppression pool at the bottom of the No. 2 reactor's primary containment vessel indicated that the structure is damaged somewhere.

Fukushima No. 2 reactor suppression pool may have 3-cm hole

The suppression pool connected to the No. 2 reactor at the disaster-struck Fukushima Daiichi nuclear power plant may have a 3-centimeter hole through which highly radioactive water is leaking out, the plant operator said Thursday. Tokyo Electric Power Co. said data gathered by a robot this month near the doughnut-shaped suppression pool at the bottom of the No. 2 reactor's primary containment vessel indicated that the structure is damaged somewhere.

Latest water leak at Fukushima plant could be from containment vessel

The operator of the crippled Fukushima Daiichi nuclear power plant said Monday that highly radioactive water found on the floor of the No. 3 reactor building could be a sign that water is leaking from the reactor's primary containment vessel. Tokyo Electric Power Co. said the water could be leaking from an area where pipes are connected to the primary containment vessel.

Niigata gov. criticizes TEPCO's new business turnaround plan

Niigata Gov. Hirohiko Izumida on Thursday criticized Tokyo Electric Power Co.'s new business turnaround plan, saying it does not signal any improvement in the utility's attitude toward nuclear safety. The plan, approved by the government on Wednesday, showed how TEPCO seeks to put its business back on track, such as by restarting the Kashiwazaki-Kariwa plant in Niigata Prefecture from July.

Gov't OKs new business turnaround plan for TEPCO, to give more aid

The government on Wednesday approved a new business turnaround plan for Tokyo Electric Power Co., ensuring more financial aid from the state for the utility facing huge compensation payments and other major problems from the 2011 Fukushima nuclear disaster. In line with the plan, TEPCO will seek to restart its idled Kashiwazaki-Kariwa nuclear complex from July and carry out reforms to survive competition expected to intensify through the upcoming shakeup of the overall power sector.
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