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Friday, May 20, 2011

Japan : TEPCO studying ways to start nitrogen injection

Via NHK News :

" The operator of the Fukushima Daiichi nuclear plant is studying ways to start nitrogen gas injection into 2 reactors to prevent hydrogen blasts.

Hydrogen explosions occurred at the plant's reactors in March following the earthquake and tsunami.

Tokyo Electric Power Company plans to inject nitrogen gas into reactors No.2 and 3 to prevent further hydrogen explosions.

Nitrogen injection is already underway in the No.1 reactor.

To prepare for the injection, TEPCO sent workers into the No.2 and 3 reactor buildings on Wednesday to check radiation levels and other conditions.

In the No.2 reactor building, steam coming from the spent fuel pool proved to be a problem.

In the No.3 reactor, high radiation levels of 160 to 170 millisieverts per hour were detected near the door of the containment vessel, where the company intended to inject the nitrogen gas."

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