Tag "reactor1"

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Plant hazard

Violent fluctuations of hydrogen concentration in reactor1

Hydrogen concentration of reactor 1 has been fluctuating violently since 6/3/2012. On the daily press conference of 6/4/2012, Tepco explained hydrogen gas is heterogeneous inside of PCV, the indicator captured the

Core removing struggle

Tepco is planning the first endoscope operation to reactor1

Related to this article..Water level was only 60cm from the bottom in reactor2 Tepco is planning the first endoscope operation to reactor1 announced in the daily press conference on 5/28/2012.

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[Video] Robot decontamination by remote control in reactor1

On 5/14/2012, Tepco attempted to decontaminate reactor1 by using a remote controlling robot. The video and data were published today.   For the first step, Tepco measured radiation level on

Core removing struggle

Water level is only 40cm from the bottom in reactor1

  Related to this article..Water level was only 60cm from the bottom in reactor2 It was 60cm in reactor2, but it is worse in reactor1. Japan nuclear energy safety organization

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Reactor 1 goes over 100℃ within 8 hours without nitrogen injection

The temperature of reactor 1 was increased from 48℃ to 54.4℃ when the nitrogen injection stopped (90 mins) on 4/4/2012, Tepco stated in their press conference of 4/7/2012. On 4/4/2012,

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Reactor1 heated

  On the press conference of 3/16 PM, Tepco announced that the temperature of reactor 1 is increasing. They still don’t know the reason. For the question of TBS, Tepco

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3/12 NHK “(Whisper) Don’t read this draft about exposed fuel rods.”

3/12/2011, On NHK mid noon news, director stopped an announcer reading the news about exposed fuel rod assemblies. An NHK reporter Nomura Masaiku announced, “At 11:40 on 3/12/2011, fuel rod