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Nuclear chain reactions still happening at Fukushima

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posted on Jun, 4 2011 @ 11:27 PM
Are Nuclear Chain Reactions Still Occurring at Fukushima?

But you might not know that nuclear reactions may still be ongoing.

Specifically, it is well-known by nuclear scientists that the ratio of iodine 131 to cesium 137 tells a lot about when nuclear reactions have stopped. For example, on May 2nd, University of Tokyo physics professor Tetsuo Matsui published a scientific paper with the following summary:

We calculate the relative abundance of the radioactive isotopes Iodine-131 and Cesium-137 produced by nuclear fission in reactors and compare it with data taken at the troubled Fukushima Dai-ichi nuclear power plant. The ratio of radioactivities of these two isotopes can be used to obtain information about when the nuclear reactions terminated.

Indeed, Gundersen says today:

Unit 3 may not have melted through and that means that some of the fuel certainly is lying on the bottom, but it may not have melted through and some of the fuel may still look like fuel, although it is certainly brittle. And it's possible that when the fuel is in that configuration that you can get a re-criticality. It's also possible in any of the fuel pools, one, two, three, and four pools, that you could get a criticality, as well. So there’s been frequent enough high iodine indications to lead me to believe that either one of the four fuel pools or the Unit 3 reactor is in fact, every once in a while starting itself up and then it gets to a point where it gets so hot that it shuts itself down and it kind of cycles.

Similarly, a Daily Kos writer points out today:

Radiation levels in water inside the silt fence near reactor 2 are high and rising, despite large amounts of dilution. Continued very high levels of Iodine 131 with a half life of 8 days are very hard to explain for a reactor that has been "shut down". Normally Iodine levels would drop several orders of magnitude below cesium activity levels over the sixty day period shown in the graph, but instead they continue to track each other. The level of 10,000 Bq/liter I-131 is very problematic. It is much higher than would be expected for a reactor in cold shut down for 2 1/2 months.

Basically, since Iodine 131 is still being detected in high quantities, the nuclear chain reactions are still going on.

At least there's some ``good news``... the Japanese prime minister is set to resign in August. Then MAYBE... just MAYBE the next PM will come in and kick TEPCO's butt and release all the unreleased information on the crisis...

posted on Jun, 4 2011 @ 11:37 PM
On the brighter side of things, whether or not the thing has gone full on critical.
There seems to be minimal death, in fact according to how folks were talking weeks, err months back, babies would be born with 4 arms and there would soon be megadeath.
It seems the brave folks at the plant have saved their own as well as ours!

Good to see I did not have to evacuate Kalifornia after all.

posted on Jun, 4 2011 @ 11:51 PM
reply to post by g146541

That's what Tepco's hoping for - the brighter side of things. They know full well how long radiation exposure takes to show up as the following article shows regarding Chernobyl.


But the legacy of Chernobyl is turning up in hospitals and clinics in New York, where it is growing. Cancer of the thyroid gland is rising in the United States, to about 30,000 new cases a year, according to the American Cancer Society and the National Cancer Institute, and it is climbing more sharply in New York State.

While there are no data on the rates among different ethnic groups, doctors who work with émigrés from the former Soviet Union say that that population accounts for a significant part of the rise, because of the accident at the Chernobyl nuclear reactor in Pripyat, Ukraine, on April 26, 1986.

new york times
And there are some that say Fukushima is worse than Chernobyl, including Mr. Gunderson.
edit on 5-6-2011 by Maluhia because: (no reason given)

posted on Jun, 5 2011 @ 02:57 AM

Originally posted by Maluhia
reply to post by g146541

That's what Tepco's hoping for - the brighter side of things. They know full well how long radiation exposure takes to show up as the following article shows regarding Chernobyl.
Yes the death count from Fukushima will appear low for a while, but there will be plenty of them in the future and some of them will be difficult to trace back to Fukushima. The US EPA isn't even testing fish for radiation, and it's hard to imagine that much radioactivity being dumped into the pacific without some fish picking it up and ingesting it, and then we eat the fish, get a radioactive particle lodged inside us and it may take 20 years for the cancer to form.

It's hard to get an accurate death count from Chernobyl, We can ascertain some deaths to direct exposure there for sure, but many more like these cases of thyroid cancer you mention, or other latent cases are harder to tally.

And Gunderson has been saying for some while that radioactive iodine was still being found at the site, which should NOT be the case if all the reactions had stopped, so people that listened to Gunderson won't be surprised by this at all.

posted on Jun, 5 2011 @ 08:14 AM
Huge radioactive leak expected at Fukushima Daichi in the next few days:

posted on Jun, 5 2011 @ 12:34 PM
reply to post by g146541

The effects of radiation won't show itself for years. Its only been a few months, wait another 3-5 years and watch the cancer rates increase.
edit on 5-6-2011 by thedeadwalkk because: (no reason given)

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