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Evening Update

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UPDATE AS OF 5:00 P.M. EDT, TUESDAY, MARCH 29:

Tokyo Electric Power Co. said that cooling water is being added to the spent storage fuel pools at reactor 2 and 3. Reactor 2 was using a temporary motor-driven pump and reactor 3 was using a truck to pump the freshwater into the fuel storage pools. The International Atomic Energy Agency said that plans are being made to begin pumping freshwater into the fuel storage pool at reactor 4 starting today.

IAEA said that 63 food samples taken March 24-29 in eight prefectures (Chiba, Fukushima, Gunma, Ibaraki, Miyagi, Niigata, Tochigi and Yamagata) were below regulatory limits set by the Japanese government for iodine-131, cesium-134 and cesium-137.

New analyses of seawater about 1,000 feet from the discharge point of reactor 1 through 4 show “a significant decrease” in radiation levels from March 26, IAEA said.

Readings for iodine-131 went from 2,000,000 picocuries (1 picocurie is one-trillionth of a curie) per liter on March 26 to 297,300 picocuries per liter on March 27. Readings for cesium-137 went from 324,324 picocuries per liter on March 26 to 51,351 picocuries per liter on March 27. IAEA said that radiation readings in seawater “will be quite variable in the near future depending on water discharge levels.”

Japan’s National Research Institute of Fishery Research has analyzed five fish samples from the port of Choshi in Chiba prefecture and found concentrations in the fish to be “far below any concern for fish consumption.” Four of five samples showed cesium-137 concentrations below the limit of detection. In the remaining sample, cesium-137 was found to be slightly above detectable levels.

IAEA said the situation was evolving, but that concentrations of radionuclides in seawater would soon drop to lower values by dilution and that the levels in marine food would most likely not reach levels above regulatory limits set for consumption.

In the United States, EPA’s daily data summary from its RadNet radiation air monitors across the U.S show typical fluctuations in background radiation levels as of 8:30 A.M. EDT. “The levels detected are far below levels of concern,” EPA said.
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Comments

Meredith Angwin said…
Is this right? I have to sign in and give them my password in order to see the EPA data? There should be nothing secret about this data. And they seem to want my email password or something...when I gave them a fake password, just for the site, they weren't buying.

What don't I understand about getting this data?
March 30, 2011 at 7:58 AM
David Bradish said…
Meredith, we had a wrong link, it's fixed now and goes to EPA's home page. Thx.
March 30, 2011 at 8:05 AM
jimwg said…
NEI's "Myths & Facts About Nuclear Energy" page is well done. My sole problem is that it's all stuck HERE! This good work should be plastered out to every media outlet and newspaper whose perspective on this event has largely been anything but composed and even-handed. In fact, I'd like NEI to _challenge_ the media to quote or cite this material in lieu most of the implacable anti-nuclear anything advocates they're guesting these days who are going to strike the metal while it's red-hot to bend fear-softened politicians and public. Take the initiative NEI!
March 30, 2011 at 8:39 AM
Anonymous said…
what stories are you reading? NEI has been quoted in almost every US story on this.

This BS about a media conspiracy against nuclear power is unsubstantiated and, frankly, getting old.
March 31, 2011 at 1:18 PM
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