Japan's Nuclear Crisis Keeps Going
April 17, 2011 8:19 PM Subscribe
Reactor shutdowns nine months away:
posted by KokuRyu (501 comments total)
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Tokyo Electric Power Co. announced Sunday that it will take six to nine months to complete a cold shutdown of the damaged reactors at the Fukushima No. 1 power plant, while the United States proposed a daring plan to use a remote-controlled helicopter and cranes to pluck out their spent fuel rods... If all goes well, displaced residents from the evacuation zone should know within six to nine months whether they will be able to go home, trade minister Banri Kaieda said. [Previously] [Open MeFi pro vs. con nuclear policy thread]The utility is pumping in water and venting off steam, a method called “feed and bleed.”
Spike in iodine levels may signal new leak
The Japanese government Friday (April 15) published a report on the discharge of more than 10,000 metric tons of low-level radioactive water from the quake-hit Fukushima Daiichi nuclear complex, in a bid to allay concerns among neighboring countries that it was spreading contamination into the ocean.
Melted fuel rod fragments have sunk to the bottoms of three reactors at the Fukushima No. 1 power plant and could theoretically burn through the pressure vessels if emergency water-pumping operations are seriously disrupted, the Atomic Energy Society of Japan said Friday... The fuel rods are being cooled by tons of water that is being manually injected into the reactors and their spent-fuel pools by truck.
Nature Magazine: Fukushima set for epic clean-up
NRC report leaked to the NYT
on April 4 mentions that due to an explosion way back at the beginning of the crisis, fuel rod fragments were ejected up to a kilometer from Daiichi, as well as between to reactor buildings on site.
The leaked NRC report can be found here
(it's been inverted, presumably to foil Google's efforts to take it down).
Core of Stricken Reactor Probably Leaked, U.S. Says
“What would you do to help heal the Japanese landscape around the failing nuclear reactors?”
Packbot working inside the reactor building of Fukushima Daiichi Nuclear Power Station Unit 3. (pictured on April 17, 2011)
TIMELINES and UPDATES
> The Fukushima I nuclear accidents (福島第一原子力発電所事故)
are a series of ongoing equipment failures and releases of radioactive materials at the Fukushima I Nuclear Power Plant, following the 9.0 magnitude Tōhoku earthquake and tsunami on 11 March 2011.
> Accident timeline
> Status of the Nuclear Reactors at the Fukushima Daiichi Power Plant (NYT) Explosions damaged four of the buildings, and fuel in the reactors and spent fuel stored in the buildings is presumed to have melted, at least partially, releasing radioactive materials.
> IAEA Fukushima Nuclear Accident Daily Update Log
RADIATION + FOOD SAFETY
> RDTN.org: Radiation Detection Hardware Network in Japan
> Current monitoring spots around Fukushima Daiichi Nuclear Power Station (pdf)
> Ibaraki & Tokyo Radioactivity [Detailed graph of rad levels Kanto and Kita-Kanto]
> Fukushima University creates radiation dispersion map
> Radiation factors hard to gauge; experts say rely on official data... "Just pointing a measuring device at your food before dinner is pretty much meaningless."
> MIT NSE Nuclear Information Hub
> Radiation Update: Is Japanese Seafood Dangerous?
> Green Action Japan (Kyoto)
> Citizen's Nuclear Information Center
> Images of the Daiichi reactor buildings taken by T-Hawk drone aircraft
> Driving Through The Fukushima Exclusion Zone
> Here's a different reporter duo, this time who drive right up to the front gates of Daiichi.
> Fukushima local television (NHK, in Japanese)