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Wednesday, 14 March 2012

TEPCO Is Sending Its Own Employees to Survey the Basements of Reactors 2 and 3 at #Fukushima

Expected radiation exposure for the 30-minute work: 10 millisieverts per person.

The 4 workers (2 each for each reactor, I assume) will measure radiation levels, temperatures and humidity, water level, and take pictures.

The torus (Suppression Chamber) of Reactor 2 is considered to have sustained a damage on March 15, though TEPCO says it was not an explosion. TEPCO and NISA both agree that Reactor 2 has released the most radioactive materials, some of which though may have come from the dry vent.

From TEPCO's handout for the press in English, 3/13/2012:
Field Survey on the semi-basement floor of the reactor building
of Unit 2 and 3 at Fukushima Daiichi Nuclear Power Station

◎Survey Purpose

In order to grasp the leakage route (damaged part) of the reactor cooling water in the torus room....
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