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TEPCO re-explains Fukushima nuclear waste leak, cites human error

  On Thursday (15th), the Tokyo Electric Power Company of Japan provided further clarification on the cause of the nuclear waste water leakage at the Fukushima Daiichi Nuclear Power Plant, stating that it was due to human error on Wednesday (7th). Last Wednesday, about 5.5 tons of radioactive contaminated water leaked from the Fukushima Daiichi nuclear power plant's water purification system. According to Tokyo Electric Power Co. (TEPCO), the leak occurred on Thursday morning in the high-temperature incinerator building while the facility was cleaning and treating contaminated water from the reactor building with the "second cesium adsorption system" to reduce radiation levels in preparation for maintenance. The system is connected to the external wall's exhaust vent, through which the contaminated water leaked. According to TEPCO, two operators from collaborating companies failed to notice the open state of a valve and missed relevant reminder signs before starting t...
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TEPCO re-explains Fukushima nuclear waste leak, cites human error


 On Thursday (15th), the Tokyo Electric Power Company of Japan provided further clarification on the cause of the nuclear waste water leakage at the Fukushima Daiichi Nuclear Power Plant, stating that it was due to human error on Wednesday (7th).


Last Wednesday, about 5.5 tons of radioactive contaminated water leaked from the Fukushima Daiichi nuclear power plant's water purification system. According to Tokyo Electric Power Co. (TEPCO), the leak occurred on Thursday morning in the high-temperature incinerator building while the facility was cleaning and treating contaminated water from the reactor building with the "second cesium adsorption system" to reduce radiation levels in preparation for maintenance. The system is connected to the external wall's exhaust vent, through which the contaminated water leaked.


According to TEPCO, two operators from collaborating companies failed to notice the open state of a valve and missed relevant reminder signs before starting their work. As a result, out of 16 valves that should have been closed, 10 were found to be open.

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