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TEPCO faces uphill battle in filling nuclear reactor containment vessel with water - The Mainichi Daily News

Tokyo Electric Power Co. (TEPCO) is struggling to carry out its plans to fill the containment vessel of the Fukushima No. 1 Nuclear Power Plant's No. 1 reactor with water to control radiation emissions, it has emerged.

Workers have already pumped in more than enough water to fill the containment vessel, but they have not actually seen a rise in the water level. Furthermore, when workers increased the amount of water pumped into the containment vessel, pressure inside the vessel fell, threatening a hydrogen explosion. As a result, workers had to once again reduce the amount of water. When pressure inside the containment vessel falls to a level near regular atmospheric pressure, oxygen can enter the container from outside and react with hydrogen inside to produce an explosion.

Any idiot can face a crisis - it's day to day living that wears you out.
by ceebs (ceebs (at) eurotrib (dot) com) on Tue May 3rd, 2011 at 07:21:35 AM EST

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