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Temperature
climbing in No. 4 reactor's pool after cooling system knocked out
The
cooling system of the spent-fuel pool in reactor 4 at the Fukushima
No. 1 plant automatically suspended operations Saturday and the water
temperature is starting to rise, Tokyo Electric Power Co. said.
1
July, 2012
The
utility has been unable to activate a backup cooling system for the
pool since operations halted at around 6.25 a.m., and is looking into
the causes, Tepco officials said later in the day.
The
pool's water temperature stood at around 31 degrees Celsius when the
cooling system ceased functioning and was increasing by 0.26 degree
per hour late Saturday afternoon, according to the officials.
If
Tepco remains unable to start up the system or its backup, the
temperature could reach 65 degrees by Tuesday morning — the maximum
limit specified by safety regulations.
No
leakage of contaminated water from the reactor has been detected so
far, Tepco said.
The
No. 4 reactor's cooling system previously shut down June 4.
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