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Tuesday Morning Update

From NEI's Japan Earthquake launch page:

UPDATE AS OF 11 A.M. EDT, TUESDAY, MARCH 29:
Japan's nuclear regulatory agency says Tokyo Electric Power Co. needs to balance injecting cooling water into the reactors at the Fukushima Daiichi nuclear power plant and preventing contaminated water from seeping out, the Japan Atomic Industrial Forum reported Tuesday.

On Monday, TEPCO reported radiation levels of more than 100 rem per hour on the surface of puddles in the reactor 2 turbine building and in a trench outside the building. TEPCO is using sandbags to keep the water confined to the trench, a concrete channel that does not connect to the ocean. The trenches at reactors 1 and 3 are also at risk of overflowing and measures are being taken to contain the water.

The Nuclear and Industrial Safety Agency is awaiting the results of new Science Ministry tests for radioactivity beyond 20-kilometers from Fukushima Daiichi and new samples from TEPCO of the plant grounds.

On Monday, TEPCO discovered minute levels of plutonium in the soil at five locations at the site. The plutonium measured is as little as was in the environment in Japan following nuclear weapons testing during the Cold War and poses no health risk to humans.

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