mardi 27 août 2013

Leak investigation

Tokyo Electric Power Company has hinted that it will take weeks to find out why radioactive wastewater leaked from a tank at the Fukushima Daiichi nuclear plant.TEPCO presented a plan to investigate the problem to the Nuclear Regulation Authority on Tuesday.About 300 tons of highly contaminated water leaked from the storage tank and it is feared that some of this seeped into the ocean.TEPCO officials said possible causes of the leak include loose joints, deteriorated parts and corrosion at the bottom or sides of the tank.The officials said radiation levels in the tank are high, and they plan to remove radioactive materials in the coming week to enable investigators to go inside and check the cause of the leak.  The plant operator will then dismantle the tank for further checks.Nuclear regulators told TEPCO to speed up its investigation.  They said if the cause is a problem that could occur in the same type of container, measures must be taken for all of the roughly 300 tanks at the plant.  Aug. 27, 2013 - Updated 18:14

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