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Tuesday, 7 February 2012

Tepco Tackles Nuclear Reaction Threat as Fukushima Plant Temperature Rises


Tepco Injects Boric Acid Into Reactor

Tepco Injects Boric Acid Into Reactor
Tokyo Electric Power Co. via Bloomberg
A handout photograph shows the Unit 2 reactor building at Tokyo Electric Power Co.'s (Tepco) Fukushima Dai-Ichi nuclear power station in Fukushima, Japan.

Tokyo Electric Power Co. injected boric acid into a reactor at its crippled Fukushima nuclear plant to prevent an accidental chain reaction known as re-criticality after temperatures rose in the past week.
The temperature of the No. 2 reactor was 70.1 degrees Celsius (158 degrees Fahrenheit) as of 6 a.m. today, according to preliminary data, Akitsuka Kobayashi, a spokesman for the utility, said by phone. The reading fell from 72.2 degrees at 5 a.m. this morning, and is below the 93 degrees that’s used to define a cold shutdown, or safe state, of the reactor......

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