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But the question is: what is coming out of the taps?

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  • But the question is: what is coming out of the taps?

    http://enenews.com/radioactive-iodin...water-standard


    What we really want to know is what the readings are for what is coming out of all the taps. That should not be missing from a discussion like this. I think it is missing because iodine in tap water was many thousands of times UNDER the standard, which would not be alarming?

    I think this is a fairly short pulse from the first week or so when reactors and pools were much hotter than now and there were explosions. I think current emissions are much lower, at least for now.

    The highest concentration will be in the rainwater on those days when the pulse arrived, so drinking that for people relying on catchment systems would not be good.

    Once the rain water enters the water supply system, it will be highly diluted.

    As it passes through a reservoir, it will take some time to make it to the tap. With a half life of 8 days, the iodine will emit its radiation and the radioactive isotope will mostly be gone in about a month.

    Bacteria and other microorganisms in the biofilms all along the pipes should extract a lot of the iodine as it passes through the system, sequestering it.

  • #2
    Re: But the question is: what is coming out of the taps?

    More alarmist crap.

    The article notes a level of 20.1 becquerels per liter.

    As I noted in the article: http://www.itulip.com/forums/showthr...ments?p=193124

    which I ironically can no longer access as it is now in the Premium area - anyway according to this link ( a different one than in the original article), the specific activity of I131 is

    http://www.genprice.com/i-131_na_iod...oral_appl_.htm
    The specific activity of I-131 is at least 1 GBq/µg
    This translates out to something like 1x10exp15 becquerels per gram of I131

    20.1 becquerels thus is equal to 0.0000000000000201 grams of I131
    Atomic weight of Iodine is 126.90446 - I'll assume I131 has an atomic weight of 131
    The 0.0000000000000201 grams of I131 thus represents 12.1 million atoms of I131

    Wow! seems like a lot right? Well, the problem is that there are 3.34x10exp25 H20 molecules in a liter of water.

    Thus the I131 presence is 0.00000000036 parts per million, or 1-I131 molecule per 2.76 quadrillion water molecules.

    This is so small that the sampler might have as easily contaminated the sample by breathing on it after eating some (non Fukushima) seaweed.

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