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Japan:TEPCO to monitor xenon at Fukushima plant

Thursday, November 10, 2011

Laaska News  Nov. 10,2011

Tokyo Electric Power Company or TEPCO says that it will install devices to detect radioactive xenon and determine any occurrence of nuclear criticality.

Radioactive xenon was detected in gases from the containment vessel of No. 2 reactor at the Fukushima Daiichi nuclear plant on November 1st and 2nd.

TEPCO said that xenon was produced through spontaneous fission, not from sustained fission.

But initially the utility could not determine whether it was sustained fission or not.

The utility also plans to create a system to measure temperature changes of nuclear reactors as an indicator of nuclear fission.
NHK.
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