Edited time: February 20, 2014 05:04
The water reportedly spilled beyond the barrier that is set up to block it from flowing out of tank. TEPCO believes the leakage has not reached the adjacent sea, as there is no drainage nearby that flows out to the sea.
A process to stop the radioactive leak is underway. The spill is said to contain 230 million becquerels per liter of strontium and other beta ray-emitting radioactive substances.
The leak was discovered by workers on patrol at around 11:25 p.m. local time on Wednesday.
It is the latest in a series of leaks that TEPCO has struggled to control at the stricken nuclear power plant. According to previous statements from the company, as many as 20 trillion becquerels of cesium-137, 10 trillion becquerels of strontium-90 and 40 trillion becquerels of tritium have found their way into the sea by way of groundwater leaks between May 2011 and August 2013.
The company refrained from reporting on the leak despite numerous requests from the Nuclear Regulation Authority (NRA). A spokesperson for TEPCO said the decision not to release the data was made because of “uncertainty about the reliability and accuracy of the September strontium reading.”
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