Watch: Nuclear experts confront Japanese scientists — IAEA says Fukushima reactors “might still be active” long after meltdowns — “Changes completely” our idea of what happened — “Very surprised… extremely high” Iodine-131 levels — Means fission reactions lasted for weeks or months (VIDEO)
ENENews.com
October 27th, 2014
Teruyuki Nakajima,University of Tokyo and Science Council of Japan (emphasis added):
International Expert #1 (at 38:10): My name is [inaudible] from the International Atomic Energy Agency’s marine laboratory in Monaco. I have a question regarding the Iodine-131. We were very surprised that the Iodine-131 was still discharged at very high levels in July [2011]. We had a lot of discussion about what would be the reason… You’d expect that, according to the shorter half life for Iodine-131, this would decrease much, much stronger — much faster… My briefings to member states of the IAEA was that we would expect within a few weeks there would be no more Iodine-131, but this was not true. This was still measured at high, extremely high levels in July and August of 2011. I wrote in my statement given out by the IAEA, that the reactors might still be active. There was a big discussion about this…
Nakajima: Yeah, I think the reactors still emitted the materials in… not sure about July… we have soil measurement in June, I think that still we observed Iodine-131 from the soil measurement. If that is terminated in April, we wouldn’t measure that at this point, but we still had that measurement. And still, the data are not totally thoroughly investigated. We have several remaining data we need to look at. Some people have those data, so we need to dig this kind of data set. Also, monitoring post, we had [problems?] as I told, we couldn’t use, but some are surviving and not rescued. Recently that kind of data is coming in, so we will see that data for Iodine-131…
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