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Up to 1 billion Bq/kg of iodine-131 was estimated in seaweed near Fukushima reactors -Study

Published: March 30th, 2012 at 12:16 am ET
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Title: Canopy-Forming Kelps as California’s Coastal Dosimeter: 131I from Damaged Japanese Reactor Measured in Macrocystis pyrifera (ACS Publications)
Source: Environmental Science & Technology
Author: Steven L. Manley and Christopher G. Lowe, Department of Biological Sciences, California State University
Publication Date (Web): March 6, 2012

Lower values of 131I were measured in kelps along the Japanese coastline prior to the reactor leak: 0.01− 0.37 Bq kg−1 fresh weight (0.067−2.5 mBq gdwt−1 assuming 15% dry wt). [...]

It was estimated, however, that seaweed near the Fukushima reactor leak could be as high as 10^8 Bq kg−1 fresh weight (or 10^6 Bq gdwt−1).

Source: Schiermeir, Q. Radiation release will hit marine life. Nature 2011, 472, 145

More from study:

Published: March 30th, 2012 at 12:16 am ET
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20 comments

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March 30th, 2012 | Category: Outside Tokyo
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20 comments to Up to 1 billion Bq/kg of iodine-131 was estimated in seaweed near Fukushima reactors -Study

  • TheBigPicture TheBigPicture
    March 30, 2012 at 12:39 am

    The Nuclear industry has ruined the ocean and air, and will have to be dealt with.


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  • Sickputer
    March 30, 2012 at 1:06 am

    Just keep on feeding and bleeding the coriums and what do you get? Yes, that's right…you get a contaminated ocean. It will kill billions of life forms.

    Arnie said the first month they needed a steel wall in the ground around the plant all the way down into the bedrock.

    Did they even attempt to build one? Nope…because that would have cost a trillion dollars and let the world's sheep know nuclear plants are instruments of death.

    The mad scientists and government bureaucrats will one day face the verdict of history. A day of reckoning is coming and faster than they can cash in their IRAs.


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    • PhilipUpNorth philipupnorth
      March 30, 2012 at 6:27 am

      Yeah, Sickputer. What they need is TWO steel cofferdams driven down into bedrock, 100' apart, filled with reinforced concrete. For starters. BUILD SECONDARY CONTAINMENT! Then make the appropriate arrests to remove Tepgov liars from the picture.


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  • The Atomic Man
    March 30, 2012 at 1:07 am

    And we were afraid of some sort of plauge, asteroid, or global weather phenom. Way to go humans. The only ecosystem we had is radioactive wasted :( (


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  • itsfukncommunism itsfukncommunism
    March 30, 2012 at 1:10 am

    right? then we have this "Woods Hole's Study of Radioactivity in Pacific Ocean in June 2011: "Not Likely to Be Direct Threat" to Marine Life" at EXSKF> http://ex-skf.blogspot.com/2012/03/woods-holes-study-of-radioactivity-in.html
    you see the rectal cranial inversions going on here???


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    • Hemisfear311 Hemisfear311
      March 30, 2012 at 2:00 am

      It is not the only international marine survey done in the pacific, but the only one that the Japanese Government approved, which in itself tell quite a lot.

      As to the headline, the real meaning is hidden inbetween the words, as seen so often in this whole matter.
      "Not Likely" and "Direct Threat" are carefully chosen wordings that serves two purposes:
      1. To appear at first glance to say "There is no danger"
      2. To be so ambiguous that if they are proven wrong as to "there's no danger", that they can say "Hey, you misunderstood the message. What it really meant was: 'We don't know what the impact on marine life will be, and we were only talking about direct threats, not bioaccumulation or longterm exposure to radiation'"

      This is really just another version of the Tepgov Mantra: "We estimate that there is no immediate health risk". Later they can say "Our estimate was only as good as the data we had at the time" or "It is true that we are now seeing some of the long-term health problems, but we were talking about immediate risk"
      They say nothing and make sure to have a way out if confronted with it later.


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  • The Atomic Man
    March 30, 2012 at 1:25 am

    Why does tepco and the nuclear circle want to save face rather than accept/allow independant help… They must know they have done the unthinkable… So sad


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  • Anthony Anthony
    March 30, 2012 at 1:29 am

    Oh yeah, now I feel better knowing the predictions of dispersion and dilution are in play. And to think, we are only just getting started on this nuclear journey. Oh brother!


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  • TheBigPicture TheBigPicture
    March 30, 2012 at 1:38 am

    U.S. and France helped Tepco, but the meltdowns are too powerful to control. A real catastrophe.


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  • TheBigPicture TheBigPicture
    March 30, 2012 at 1:45 am

    Btw,itfugcomustic, Krugman has nothing to do with anything. Both political parties are beholden to the nuclear nightmare, which is why they both totally suck.


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  • itsfukncommunism itsfukncommunism
    March 30, 2012 at 1:54 am

    jusswanna say, this whole thing could have been avoided "yes, obviously not building death machines" but another way, well studied was integrated neutron poisons incorporated into the fuel, on melt the poisons would limit/inhibit fission, should have been in all reactors, especially Japan's, but alas to this day, not one has this important/glaringly obvious safety measure, u reap…


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  • stock stock@hawaii.rr.com
    March 30, 2012 at 2:01 am

    Just another reason to SHUT THEM DOWN

    Nuke makes no sense from an economic viewpoint.

    It costs around $15B to build a modern nuke plant, and takes about 10 years.

    Investors want a 10% or even 20% annual rate of return in general, maybe on something super safe and reliable they would be willing to receive 7%.

    But with nuke, picture that at year 5 you have the heavy infrastructure in place, much of the big money spent, say $10B,

    At that point investors would want at least $1B minimum a year, and yet you have to wait 5 more years to get anything……..more here
    http://nukeprofessional.blogspot.com/2012/03/nuke-makes-no-economic-sense.html


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  • RutherfordsGhost
    March 30, 2012 at 5:31 am

    Rutherford once said that no useful energy will come from splitting the Atom. He was right.
    100's of millions will die horrible deaths. Those that remain will envy the dead.


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  • razzz razzz
    March 30, 2012 at 1:01 pm

    There is no bedrock, one of the many problems this site had to begin with. So, they built (6) nuclear units on it.


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  • howardtlewisiii
    March 31, 2012 at 3:51 am

    We, the concerned citizens of ENE will have to make ourselves the dominant influence toward a more sane nuclear policy. I rejected fission water boiling back in 1975 but only recently learned WHY Japan creates and markets such genius applications of new technologies but for some reason decided to undertake a dangerous design of nuclear reactors with the spent fuel stored in brittle cement ponds over the reactors, and emergency cooling behind a Cyclone fence a scant 15 feet above sea level. This facing open ocean in the middle of the most active tsunami zone on earth. It turns out the decision was not Japan's. HEPCO is controlled by the Japanese government. The Japanese government takes orders from the Yakuza, who take orders from Bush41. Bush41 was ambassador to the U.N. when this facility was built. He and his pals created, designed, and sited this.See the photos of the Israeli "security" compared to a mininuke. Investigate. We must run the perpetrators out of power. They do not realize what their arrogance has caused. The U.S. is brainwashed by television. This MUST STOP.


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