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Thread: 4,700 terabecquerels highly radioactive water was released into the sea

  1. #1
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    4,700 terabecquerels highly radioactive water was released into the sea

    in the contaminated water that leaked from underneath the pit near the Reactor 2 water intake.

    Remember that one? TEPCO tried bath salt as a tracer to figure out where the water was coming from, until they finally figured out how to stop the leak.

    Assuming the leak started on April 1 and lasted until April 6, TEPCO says 4,700 terabecquerels of radioactive materials were released from the crack into the ocean.

    From TEPCO's press release (in Japanese):

    Iodine-131: 2.8 x 10^15 becquerels (2,800 terabecquerels)
    Cesium-134: 9.4 x 10^14 becquerels (940 terabecquerels)
    Cesium-137: 9.4 x 10^14 becquerels (940 terabecquerels)
    Total: 4.7 x 10^15 becquerels (4,700 terabecquerels)

    -------------------------------------------------------------------------
    http://dcoda.amplify.com/2011/04/22/...ft-to-the-sea/

    #Fukushima’s “Gift to the Sea”
    Apr 22, 2011 11:00am by Elle D'Coda in
    Green

    Over 6 days, from April 1, 520 tons of highly radioactive water was released into the sea...much more than earlier reports suggested & 10,000 times more than Three Mile Island.

  2. #2
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    Re: 4,700 terabecquerels highly radioactive water was released into the sea

    So much for Sushi. Nobody eat fish from Japan.

  3. #3
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    Xubuntu 12.04 Precise Pangolin

    Re: 4,700 terabecquerels highly radioactive water was released into the sea

    At least for the next 30 years... (Caesium-137 half-life).

    This is the end of TEPCO. Corporate greed bribed officials against the reports this plant had of cracks _before_ the quake. Now their whole assets and money can't ever repay the damage, its going bankrupt and/or nationalized. The gov also failed in being stricter.

    Now the whole nation, if not region, will have to pay the consequences for decades; as if the natural tragedy wasn't enough, human selfish behavior was the worst.
    i5-2500, Asus p8p67le, 8g ddr3, gtx460. Eeepc 701 4g surf.

    vm.swappiness=0;noatime,data=writeback;deadline scheduler;preload.

  4. #4
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    Dec 2006
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    Re: 4,700 terabecquerels highly radioactive water was released into the sea

    Iodine 8 days half life
    Cesium 30 years, thats a long time.

    Sea water will dilute this, the ocean is large so the effect may be less than feared. Perhaps the sea life will rebound abundantly due to fishing pressures removed.

  5. #5
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    Re: 4,700 terabecquerels highly radioactive water was released into the sea

    i see the opposite.
    guess that radioactivity on inland is much safer than sea.

    water is vaporized and circulated..

  6. #6
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    Hardy Heron (Ubuntu Development)

    Re: 4,700 terabecquerels highly radioactive water was released into the sea

    Quote Originally Posted by 3Miro View Post
    So much for Sushi.
    Yeah. All of the fish is cooked now.
    Today you are You, that is truer than true. There is no one alive who is Youer than You. - Dr. Seuss

  7. #7
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    Re: 4,700 terabecquerels highly radioactive water was released into the sea

    note that this is into air.

    Japan Nuclear Safety Commission greatly underestimated radioactive releases

    http://www.yomiuri.co.jp/science/new...7.htm?from=y10

    From Yomiuri Shinbun (9:15PM JST 4/23/2011):

    The Nuclear Safety Commission under the Prime Minister's Office disclosed on April 23 that the amount of radioactive materials being released from the TEPCO Fukushima I Nuclear Power Plant was 154 terabecquerels per day (1 tera is 1 trillion) as late as April 5 when the amount being released was considered stabilized.

    On April 5, the estimated amount of radioactive materials released from Fukushima I Nuke Plant was 0.69 terabecquerels/hour for iodine-131 and 0.14 terabecquerels/hour for cesium-137. When the numbers were recalculated according to the INES method (converting cesium amount into iodine equivalent), the amount released turned out to be 6.4 terabecquerels/hour (which was 154 terabecquerels per day. Previously, the Nuclear Safety Commission had simply added the numbers for iodine-131 and cesium-137, and announced it was less than 1 terrabecquerel per hour.

  8. #8
    Join Date
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    Re: 4,700 terabecquerels highly radioactive water was released into the sea

    It'll get diluted very quickly. The local area will be affected slightly over a temporary period until that dilution happens. Nothing for the rest of us to worry about though. You would need to ingest a lot to get sick from it.

  9. #9
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    Dec 2008
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    Re: 4,700 terabecquerels highly radioactive water was released into the sea

    wait and see, how things going on..

  10. #10
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    Aug 2005
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    Re: 4,700 terabecquerels highly radioactive water was released into the sea


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