TEPCO injects more water to No. 2 reactor

Tepco injected more water into the No. 2 reactor at its Fukushima No. 1 nuclear plant as its temperature rose again.

The reactor's temperature recorded a new high since its cold shutdown in December.

TEPCO increased the amount of water to 14.6 tons per hour from 13.6 tons at 10:45 p.m., after seeing temperatures of 73.3 C at 9 p.m. and 72.5 C at 10 p.m.

A stable cold shutdown is defined by the Japanese government as a situation in which the bottom of a reactor pressure vessel is kept below 100 C and radiation exposure from the release of radioactive substances is significantly kept down.

Readings from two other thermometers that check the temperature at the bottom of the No. 2 reactor vessel was around 35 C, TEPCO said.

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