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Newly released neutron data from three University of California San Diego scientists confirms Fairewinds' April analysis that the nuclear core at Fukushima Daiichi turned on and off after TEPCO claimed its reactors had been shutdown. This periodic nuclear chain reaction (inadvertent criticality) continued to contaminate the surrounding environment and upper atmosphere with large doses of radioactivity.
In a second area of concern, Fairewinds disagrees the NRC's latest report claiming that all Fukushima spent fuel pools had no problems following the earthquake. In a new revelation, the NRC claims that the plutonium found more than 1 mile offsite actually came from inside the nuclear reactors. If such a statement were true, it indicates that the nuclear power plant containments failed and were breached with debris landing far from the power plants themselves. Such a failure of the containment system certainly necessitates a complete review of all US reactor containment design and industry assurances that containments will hold in radioactivity in the event of a nuclear accident. The evidence Fairewinds reviewed to date continues to support its April analysis that the detonation in the Unit 3 Spent Fuel pool was the cause of plutonium found off site.
Third, the burning of radioactive materials (building materials, trees, lawn grass, rice straw) by the Japanese government will cause radioactive Cesium to spread even further into areas within Japan that have been previously clean, and across the Pacific Ocean to North America.
And finally, the Japanese government has yet to grasp the severity of the contamination within Japan, and therefore has not developed a coherent plan mitigate the accident and remediate the environment. Without a cohesive plan to deal with this ongoing problem of large scale radioactive contamination, the radioactivity will continue to spread throughout Japan and around the globe further exacerbating the problem and raising costs astronomically.
#Radiation in Japan: Practically Any Radioactive Debris Will Be Burned and Buried
On August 10, the Ministry of the Environment made public the base plan for the ashes from burning the debris and sludge that contain radioactive materials from the Fukushima I Nuclear Power Plant accident. The plan would technically allow all the ashes to be buried.
The plan was given on the same day to the ministry's committee of experts to evaluate the safety of disaster debris disposal, and the ministry hopes to finalize the plan before the end of August.
In June, the ministry announced that the ashes that test up to 8,000 becquerels/kg of radioactive cesium can be buried in the final disposal facilities. It called for the temporary storage of the ashes that exceed 8,000 becquerels/kg but didn't specify the final disposal procedure. In the base plan announced on August 10, to bury the ashes whose radioactive cesium exceeds 8,000 becquerels/kg, some measures need to be taken to prevent radioactive cesium from making contact with ground water, or to process the runoff appropriately. For the ashes that measure 8,000 to 100,000 becquerels/kg, the plan calls for: 1) processing facilities with roofs; 2) durable containers; 3) mixing the ashes with cement to solidify.
The whole plan is moot, because, on the side, the ministry has already told municipalities that they can "mix and match" - burn radioactive debris and sludge with non-radioactive debris and sludge to lower the radiation below whatever the limit the ministry sets, which has been 8,000 becquerels/kg and now 100,000 becquerels/kg if the plan gets an approval from the expert committee. The ministry set the limit for Fukushima Prefecture, then notified other prefectures to "refer to the Ministry's instruction to Fukushima Prefecture and notify the municipalities accordingly".
The Ministry of the Environment, which is likely to be selected as the new regulatory authority over the nuclear industry in Japan, is not very known for timely disclosure of information online. This base plan, if it is announced on their site, is buried so well that I can't find it. The latest information on the earthquake/tsunami disaster debris is dated July 28, which specified the "temporary" storage of the ashes that exceed 8,000 becquerels/kg of radioactive cesium.
It looks like the ministry is simply making this "temporary" storage into permanent.
Originally posted by mustard seed
Deepwater dejavu´! ...policy of silence ,disinfo and outright lies...
I do not think when the full effects of this are felt silence will still be an option.
Originally posted by Mimir
But They encapsulated the Chernobyl reactor core with reinforced concret that didn't leak until this day (as far as i know of). Seams like there's no will to stop Fukushima, which is a Inigma to me.
Tokyo has been slow to provide a plan for rehabilitation, leading some residents near the plant exposed to high levels of radioactive cesium in homes and food, have started their own cleanup instead of waiting for the government to act. "I was worried about the radiation exposure impact on children and felt that I had to do something to reduce the radiation levels," said Hideaki Takita, a 37-year-old resident of Koriyama city, about 60 km west of the plant, who has been cleaning houses.
Takita and other volunteers use their weekends to scrape off layers of dirt in yards, wash walls and windows and bury or store the radioactive waste in the corners of properties in an effort to reduce radiation levels in the air. "We are trying to bring the levels down for families who want to but can't evacuate, since they might feel slightly better," he said.
"Fukushima is mountainous and such large-scale and highly concentrated contamination has not taken place on earth before in an area like this. How things will go is unpredictable."
The area in need of cleanup could be 1,000 to 4,000 square km, about 0.3 to 1 percent of Japan's total land area, and cost several trillion to more than 10 trillion yen ($130 billion), double what it took to build six nuclear reactors at Fukushima Daiichi plant, some experts say.
The government has banned people from entering an area in a 20 km radius surrounding the crippled plant and some 80,000 people have evacuated. Residents are calling on Tokyo Electric Power Co, the plant operator, to clean up the area, but the firm is still struggling to bring the reactors under control.
Another major headache is where to store the radioactive waste like dirt and water generated from cleanup work.
Originally posted by SFA437
reply to post by Wertwog
I said from day 1 in the big thread that #3 was a linear, directed explosion that was most likely caused by the core breaching the RPV and hitting the water in the primary containment, flashing over and making the RPV lid go away at high velocity
Actually this is one of the times I really wish I had been utterly incorrect.