Fukushima Revisited: Fukushima -ONE Step Forward and FOUR Steps Back Update 5/13/11 (Arnie Gundersen
Channel: onthewaytoextinction
Date: 11/01/2013

Source video by MsMilkytheclown: https://www.youtube.com/watch?v=aHe3hJThRAg
Originally published on May 13, 2011
 
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MsMilky:
Uploaded on May 13, 2011 

Fairewinds and Associates update for today by Arnie Gundersen, Nuclear Engineer
http://fairewinds.com/content/fukushima-one-step-forward-and-four-steps-back-...

Gundersen says Fukushima's gaseous and liquid releases continue unabated. With a meltdown at Unit 1, Unit 4 leaning and facing possible collapse, several units contaminating ground water, and area school children outside the exclusion zone receiving adult occupational radiation doses, the situation continues to worsen. TEPCO needs a cohesive plan and international support to protect against world-wide contamination.

NRC, unstalbe, unit 1, exothermic reaction, prompt moderated criticality, volatilized, plutonium offsight, detonation not deflagration, nitrogen not working, radiation into ground water.

http://www.youtube.com/watch?v=PkkFexCfhlA
Gundersen analyzes new pressure and temperature data from the Fukushima reactors and containments. TEPCO recently denied that the fuel pool in Unit 4 was experiencing a partial inadvertent criticality, despite the finding of radioactive iodine-131 (an isotope with an eight-day half-life). The utility blamed the iodine on deposition resulting from the explosion of the other buildings. Gundersen takes an in-depth look at TEPCO's Theory. Lastly, he discusses the FDA decision not to monitor fish for radioactivity.

*Note: Single radiation dose of 2,000 millisieverts (200,000 millirems) and above causes serious illness. See also exposure list below.
Half-life of some radioactive elements

[NOTE: Half-life is the time taken for a radioactive substance to decay by half.] * Cesium-134 ~ 2 years * Cesium-137 ~ 30 years * Iodine-131 ~ 8 days * Plutonium-239 ~ 24,200 years * Ruthenium-103 ~ 39 days [Ruthenium is a fission product of uranium-235.] * Ruthenium-106 ~ 374 days * Strontium-90 ~ 28.85 years [Strontium-90 is a product of nuclear fission and is found in large amounts in spent nuclear fuel and in radioactive waste from nuclear reactors.] * Uranium-234 ~ 246,000 years * Uranium-235 ~ 703.8 million years * Uranium-238 ~ 4.468 billion years


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http://www.fairewinds.com/
The Battle of Chernobyl is a 1.5 hour documentary that is a "must see" in my opinion... here is the link:
http://topdocumentaryfilms.com/the-battle-of-chernobyl/