US, Japan develop new method for radiological dose assessment in area surrounding Fukushima Daiichi nuclear power plants

Jun 28, 2013

The National Nuclear Security Administration (NNSA) and the Japan Atomic Energy Agency (JAEA) have developed a novel method for analyzing airborne radiological monitoring data. This new method has been used to perform a detailed study of survey data taken by the NNSA and JAEA in the months following the March 2011 radiological incident in Japan.

Aerial surveys were employed in the region surrounding the stricken Fukushima Daiichi Nuclear Power Plant to cover the area impacted by the accident quickly, thoroughly and safely. This new analysis provides a complete map of Iodine-131 (I-131) deposition. I-131 is an important contributor to radiological dose and its concentration was uncertain during the incident due to its short half-life and the complexity of the analysis. A map of I-131 deposition is a critical step in order to conduct accurate exposure assessments, population dose reconstruction and follow-up .

Results of the analysis will be released in the August issue of the Health Physics journal.

"Collaborations with international experts are important to improve our capability to respond to nuclear emergencies," said David Bowman, Director of NNSA's Office of Emergency Response. "This technical exchange with the Japanese improves their understanding of the ramifications of the accident, and at the same time enhances our ability to respond domestically should the need arise."

NNSA's Office of Emergency Operations currently collaborates with more than 80 foreign governments and 10 international organizations with projects ranging from providing assistance to foreign governments in improving their emergency preparedness and response programs, to joint collaborative activities to improve emergency management infrastructure worldwide.

Explore further: Morocco raises 1.7 bn euros for solar plants

More information: journals.lww.com/health-physic… ages/currenttoc.aspx

Provided by National Nuclear Security Administration

not rated yet
add to favorites email to friend print save as pdf

Related Stories

Radioactivity in Europe, no public risk: IAEA

Nov 11, 2011

The UN atomic agency said Friday "very low levels" of radioactive iodine-131 had been detected in the air in the Czech Republic and in other countries, but presented no risk to human health.

Radiation leak at Japan lab; small impact expected

May 25, 2013

An atomic research lab in northern Japan has reported a radiation leak that may have affected about 50 people, though none were hospitalized and no impact was expected outside the facility, the lab's operator ...

Countries unite to respond to another Chernobyl disaster

May 08, 2013

Radioactivity as a result of the Chernobyl nuclear power plant disaster in the 1980s is still present in the environment. But 17 national emergency management organisations and 33 research institutes have ...

High radioactivity found in Japan nuclear workers

May 30, 2011

Two workers from Japan's stricken Fukushima nuclear plant have been contaminated by high levels of radioactive iodine, the operator said Monday, prompting fears over their long-term health.

Japan vows to tighten nuke safety after accident

May 28, 2013

Japan pledged better safety practices for its troubled nuclear industry Tuesday after an accident at a government research facility that exposed 33 people to minor excess radiation and had not been immediately ...

Recommended for you

The state of shale

Dec 19, 2014

University of Pittsburgh researchers have shared their findings from three studies related to shale gas in a recent special issue of the journal Energy Technology, edited by Götz Veser, the Nickolas A. DeCecco Professor of Che ...

Website shines light on renewable energy resources

Dec 18, 2014

A team from the University of Arizona and eight southwestern electric utility companies have built a pioneering web portal that provides insight into renewable energy sources and how they contribute to the ...

Better software cuts computer energy use

Dec 18, 2014

An EU research project is developing tools to help software engineers create energy-efficient code, which could reduce electricity consumption at data centres by up to 50% and improve battery life in smart ...

Cook farm waste into energy

Dec 17, 2014

It takes some cooking, but turning farm waste into biofuels is now possible and makes economic sense, according to preliminary research from the University of Guelph.

User comments : 0

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.