Aerial Survey Results for 131I Deposition on the Ground after the Fukushima Daiichi Nuclear Power Plant Accident
- JAEA
- NSTec
- NNSA
In March 2011 the second largest accidental release of radioactivity in history occurred at the Fukushima Daiichi nuclear power plant following a magnitude 9.0 earthquake and subsequent tsunami. Teams from the U.S. Department of Energy, National Nuclear Security Administration Office of Emergency Response performed aerial surveys to provide initial maps of the dispersal of radioactive material in Japan. The initial results from the surveys did not report the concentration of 131I. This work reports on analyses performed on the initial survey data by a joint Japan-US collaboration to determine 131I ground concentration. This information is potentially useful in reconstruction of the inhalation and external exposure doses from this short-lived radionuclide. The deposited concentration of 134Cs is also reported.
- Research Organization:
- Nevada Test Site (NTS), Mercury, NV (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA), Office of Emergency Operations
- DOE Contract Number:
- DE-AC52-06NA25946
- OSTI ID:
- 1136548
- Report Number(s):
- DOE/NV/25946-1632
- Journal Information:
- Health Physics, Vol. 105, Issue 2; Conference: National Academy of Sciences of the United States of America; ISSN 0017--9078
- Country of Publication:
- United States
- Language:
- English
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