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In 2011 Fukushima Ventilation Stack Read Over 10,000mSv/hour


 On August 2, 2011, TEPCO released a photo of the ventilation stack between reactors No. 1 and No. 2 where radioactivity over 10,000mSv / hour was measured, the highest amount of radioactivity  measured to date.

The photo published is that of the ventilation stack located between reactors No. 1 and No. 2, taken on July 31 by a special camera that reacts to radioactivity.

It shows high radioactivity at two locations: at the center and at the right. The red part at the center is the place with the highest radioactivity.

Later, on August 1, workers  measured the radioactivity of the pipes in the ventilation stack. The result revealed a measure exceeding 10,000 mSv / hour, the highest measurable limit.

During the venting of reactor No. 1 on March 12, 2011, the steam passed through these pipes before to be released outside. TEPCO considers that there is a strong possibility that radioactive materials would remain in the pipes.

According to TEPCO, there is no leakage of radioactive materials to the outside of the pipes.

Places around the pipes will be forbidden to enter and shielding work will be done.

Source :

Translation credit to Kurumi Sugita


August 5, 2016 - Posted by | Fukushima 2016 | ,

1 Comment »

  1. Perhaps there is a way to recapture these highly radioactive emissions and recycle them into mire “clean” nuclear power. /sarc

    Comment by tlarremore | August 5, 2016 | Reply

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