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发帖数: 1987 | 1 Radioactive Risk to Tokyo Limited Even in Worst Case, U.K. Says
By Kari Lundgren
March 17 (Bloomberg) -- The risks to human health from
damage at Tokyo Electric Power Co.’s Fukushima Dai-Ichi atomic
plant are limited to the area around the facility, according to
the U.K.’s Chief Scientific Officer John Beddington .
“The 20 kilometer exclusion zone that the Japanese have
actually imposed is sensible and proportionate,” Beddington
said, according to a transcript of a conference call yesterday.
The worst case scenario would result in an explosion that could
send radioactive material about 1,600 feet in the air, he said.
Workers at the Fukushima facility, damaged after the March
11 earthquake, are struggling to keep the plant’s reactors cool
and to control pressure inside the containment vessels. If they
fail to do so, pressure would build up inside the reactors and
cause the core to melt, Beddington said. As it melts, the
material will fall and react with the concrete and other
materials on the floor, he said on a call with the British
Embassy in Tokyo.
“In this reasonable worst case you get an explosion,” he
said. “Now, that’s really serious, but it’s serious again for
the local area. It’s not serious for elsewhere.”
Assuming that weather patterns drive radioactive material
toward Tokyo, there would be “absolutely no issue” for human
health, he said. Even following the disaster at Chernobyl, there
were no radiation-related problems outside the 30 kilometer
(18.6 mile) exclusion zone, the scientist said.
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