Japan TV: Extremely high radiation at Unit 1 raises concerns about how Tepco will decommission reactor — Workers were to be in area with 1,000 millisieverts per hour for ‘clean-up’ (VIDEO)

Published: June 28th, 2012 at 3:54 am ET
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Highest radiation found at Fukushima No.1 reactor

The highest level of radiation to date has been detected inside the No.1 reactor vessel at the Fukushima Daiichi nuclear power plant. 

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The utility detected a record level of 10,300 millisieverts per hour. The measurement was taken 20 centimeters above the surface of a contaminated water puddle in the reactor’s suppression chamber.

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1,000 millisieverts per hour was detected about 4 meters above the water surface.

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Workers are expected to engage in clean-up and other tasks mostly at the 4-meter level, which is raising health concerns.

TEPCO official Junichi Matsumoto said he suspects that a higher radiation level in the No. 1 reactor is caused by more fuel rods melting down than in other reactors.

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Published: June 28th, 2012 at 3:54 am ET
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