Accelerator Radiation Safety Newsletter

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An Official Publication of the

Health Physics Society's Accelerator Section

Circulation: 468

Third Quarter 2010 /
Volume 19, Number 3

 

FROM THE OFFICERS

The President's Message
Mike Grissom

Maintaining our tradition, in this my first message as Accelerator Section President, I’d like to welcome the new officers of the Section who were elected last spring and inducted into office at the 55th Annual Meeting of the Health Physics Society (HPS) in Salt Lake City, Utah. The new President-Elect is Rich Brey, a faculty member at Idaho State University and a long-time member of the Section. The new Newsletter Editor is Keith Heinzelman who actually is continuing in his post (with our special thanks) and works at Lawrence Livermore National Laboratory (LLNL). Our new Treasurer is Steve Frey, a recent retiree from the SLAC National Accelerator Laboratory. The two new directors are Eric Burgett (Idaho State University) and Lorraine Marceau-Day (Louisiana State University). My “official” welcome to all.

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The President Elect’s Message
Rich Brey

As an academic starting a new semester, and coincidentally starting the job of President-Elect of the Accelerator Section of  the Health Physics Society, I find my-self somewhat redundantly providing definitions and as this is the flavor for the month it would be good to remind ourselves what we mean by an Accelerator Health Physicists.  The Accelerator Sections web site offers a good definition:

An accelerator health physicist is a radiation safety professional who focuses on the radiation physics and/or worker protection (operational health physics) aspects of particle accelerator operations. At large facilities, such as the high-energy accelerators at many national laboratories, radiation physicists may design shielding, prepare accelerator operation safety envelopes, monitor configuration control and perform radiation safety system checks, conduct original research, and develop or use radiation transport computer codes…

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The Past President's Message
Linnea Wahl

When was the last time you looked at the Accelerator Section website? If it’s been some time, you may be in for a surprise. Take a look now (http://hpschapters.org/sections/accelerator/) and you’ll see what I mean.

 

The first thing you may notice is the prominent announcement on the homepage that our former colleague Lutz Moritz was named to the Health Physics Society’s Honor Roll. Lutz is one of the first to receive this prestigious award, which posthumously honors society members who significantly contributed to the profession of health physics during their careers, but who were not otherwise honored by the society during their lifetimes. Follow the link on the homepage to see the photo of Lutz’s son, Dr. Orson Moritz, accepting his father’s award from HPS Past President Dick Toohey.

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The Editor’s Message
Keith Heinzelman

In addition to the usual updates from the Accelerator Section Board members, this issue includes a couple of articles from people outside the usual accelerator radiation safety community.  The first is from Alan Wells on a device (of his invention) that supplements accelerator transmutation of high-level nuclear waste.  The second is from Richard Jones of the American Institute of Physics on a US Department of Energy report titled “Accelerators for America’s Future.”  These articles are certainly a departure from accelerator radiation safety information you normally find here, but I hope you will find them interesting and informative.  If you care to comment on them or have similar articles you’d like to see in the newsletter, please (please!) don’t hesitate to contact me.

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In this issue


From the Officers
From the Correspondents
Other News

How to Subscribe
Newsletter Archives

Also of interest

Accelerator Section Website
HPS Website
Reflections on the 2008

Professional Development School
Purchase 2008 School Textbook

OFFICERS

President:
Mike Grissom, Stanford Linear Accelerator, Retired

President-Elect:
Rich Brey, Stanford Linear Accelerator, Retired

Past President:
Linnea Wahl, Berkeley National Lab

Secretary:
Mike Sandvig, Idaho National Lab

Treasurer:
Steve Frey, SLAC National Accelerator Lab (retired)

Newsletter Editor:
Keith Heinzelman, Livermore National Lab

Directors:
Sam Baker, Argonne National Lab

 

Eric Burgett, Idaho State University

Lorraine Marceau-Day, Louisiana State University

Elsa Nimmo, University of California, Berkeley

Reg Ronningen, Michigan State University

Jack Topper, Livermore National Lab

 

Solving the “Impossible” Million Year Requirement for Nuclear Waste Disposal

Alan Wells

The Blue Ribbon Committee for nuclear wastes considers it impossible to guarantee isolation of nuclear wastes for the one million years[1] needed for the wastes to decay away, and they are right.  Neucon Technology of Atlanta, GA, has developed a technology to convert the million-year lifetime of nuclear wastes (actinides) into 10,000 years, a much more reasonable isolation period.  The Neucon process takes advantage of one of the natural products of radioactive decay, alpha radiation, by converting the alpha particles into neutrons which slowly, and passively, change the long-lived wastes into short-lived (hundreds of years) wastes.

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“Accelerators for America’s Future”

Richard M. Jones

Reprinted from FYI: The American Institute of Physics Bulletin of Science Policy News with the permission of the author

For optimizing knowledge-based resources in science and technology, and for sustaining an environment for new and revitalized industries and the well-paying jobs they bring, a beam of particles is a very useful tool.”- Department of Energy: “Accelerators for America’s Future”

Approximately one year ago the Department of Energy’s Office of High Energy Physics held a well-attended one-day symposium followed by a series of workshops to review “the challenges and opportunities for developing and deploying accelerators to meet national needs.” Earlier this summer DOE released a 100-page report entitled “Accelerators for America’s Future” that presents the findings of the five workshops in key application areas.

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FROM THE CORRESPONDENTS

 

 

 

 

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[1] The one million year waste isolation period was established by the National Academy of Science and is embodied in the Nuclear Waste Policy Act (NWPA).  The uncertainty of natural processes (ice ages, volcanic activity) is small for a 10,000 year period but becomes large for one million years.  Thus even though calculations can show that repository leakage and hazard to people would be small over a million years, leakage might become large if a natural event breaches the repository and it is not certain that this would not occur.