Wall Street Journal
Oct. 9, 2013
Workers at the Fukushima Daiichi nuclear power plant were exposed to lightly contaminated water Wednesday when they mistakenly tried to replace the wrong pipe at a water-processing unit, plant operator Tokyo Electric Power Co. said.
Tepco has reported several similar mishaps at Fukushima recently. Last week, work aimed at stemming a leak caused contaminated water to overflow from a tank. The crippled Fukushima Daiichi plant in northern Japan is the site of one of the world’s most-pressing nuclear cleanups.
“This is serious. There have been similar incidents that could have been prevented if they had been careful,” said Shunichi Tanaka, chairman of the Nuclear Regulation Authority, the country’s primary nuclear regulator, in a news conference.