a few comments about the fukushima accident
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A Few Comments about the Fukushima accident. Presentation to the CEMP Workshop July 25, 2011 Lynn R. Anspaugh Radiobiology Division, University of Utah Salt Lake City, Utah. Comparative releases of radionuclides, PBq. From UNSCEAR (2011) and preliminary data from Japanese govt. - PowerPoint PPT PresentationTRANSCRIPT
A Few Comments about the Fukushima accident
Presentation to the
CEMP Workshop
July 25, 2011
Lynn R. Anspaugh
Radiobiology Division, University of Utah
Salt Lake City, Utah
Comparative releases of radionuclides, PBq
Radio-nuclide
HalfLife
ChernobylNuclear
weapons tests
Fukushima
131I 8.04 days ~1,760 675,000 ~140
134Cs 2.06 years ~47
137Cs 30.0 years ~85 948 ~9
From UNSCEAR (2011) and preliminary data from Japanese govt.
Comparative releases of radionuclides, PBq
Radio-nuclide
HalfLife
ChernobylNuclear
weapons tests
Fukushima
131I 8.04 days ~1,760 675,000 ~160
134Cs 2.06 years ~47 ~18
137Cs 30.0 years ~85 948 ~15
From UNSCEAR (2000, 2008) and data from Japanese government.
4
5
6Science 332:908 (May 20, 2011)
Two international dose reconstruction studies are started.
• IAEA/WHO/FAO initial evaluation of population exposures. Final report due at the end of October 2011.
• UNSCEAR assessment. Final report due during the third quarter 2013.
7
8Science 333:272 (July 15, 2011)