Colby Mangini joins the RAC team

RAC is pleased to announce that Dr. Colby Mangini joined the RAC team in May 2017. Colby is a Certified Health Physicist (CHP) with a diverse background in applied health physics and computational health physics. He began his career in the U.S. Navy, where he taught at the Navy’s Nuclear Power School (NPS), and completed his Masters in Health Physics at Oregon State University (OSU). After the Navy, Colby earned his Ph.D. in Radiation Health Physics at OSU, where he was also an instructor. Since completing his Ph.D. in 2012, he has held positions as a principal scientist at Knolls Atomic Power Laboratory and as Radiation Safety Officer at St. Jude Children’s Research Hospital.

Colby will assist the RAC team in radioactive contaminant transport modeling, dose reconstruction, and other areas of environmental risk assessment. He has already provided valuable support on several projects, including helping to present RAC’s most recent training course for the Nuclear Regulatory Commission (NRC) and performing QA/QC review of computer code used for calculating radiation dose.

RAC team and 2017 NRC course participants

RAC team presents NRC training course

RAC presented a 5-day training course on environmental risk assessment for the Nuclear Regulatory Commission (NRC) from May 8 through 12, 2017, at the NRC Professional Development Center in Rockville, MD. John Till, Helen Grogan, Pete Shanahan, Art Rood, Emily Caffrey, and Colby Mangini presented lectures and case studies during the week. The course was designed to allow participants to use their acquired knowledge to complete performance evaluations of licensee environmental assessments, perform environmental impact reviews, inspect licensee programs, and manage environmental projects. RAC has presented a similar training course for the NRC twice previously and is contracted to present up to two more courses for the NRC through 2019.

Helen Grogan attends 63rd UNSCEAR session in Vienna as U.S. delegate

Helen Grogan served as one of the eleven U.S. delegates at the 63rd session of the United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) in Vienna, Austria, from June 27 through July 1, 2016. This is Helen’s third year serving on UNSCEAR. The 2016 UNSCEAR delegates for the U.S. (shown above, L to R) are John Boice, Vince Holahan, Lynn Anspaugh, Bruce Napier, Helen Grogan, Julian Preston, Gayle Woloschak, Wesley Bolch, David Pawel, Armin Ansari, and Naomi Harley.

Malcolm Crick, UNSCEAR Secretariat, addressing the participants at the opening session.


Emily Caffrey presented with doctoral degree

Emily Caffrey was presented with her doctoral degree at the Oregon State University commencement ceremony on June 11, 2016. Emily received her Ph.D. in Radiation Health Physics with a minor in Statistics. Her research included environmental dose assessment and computational dosimetry methods.

February 2016 RAC team meeting at Salt Lake City, UT

RAC team meets in Salt Lake City

The RAC team traveled to Salt Lake City, Utah, during the week of February 22, 2016, for several days of meetings. We were pleased to welcome Emily Caffrey, our newest team member, to her first RAC team meeting. This week provided an opportunity for team discussions regarding technical issues, progress, and path forward on all ongoing projects. In addition, the team met with several clients to provide updates on projects.

Feb 2016 UNSCEAR meeting in Vienna

Helen Grogan travels to Vienna for UNSCEAR report preparation

UNSCEAR meeting in Vienna, Feb 2016Helen Grogan was in Vienna, Austria, February 15 through 19, 2016, helping with the preparation of an UNSCEAR (United Nations Scientific Committee on the Effects of Atomic Radiation) report that addresses radiation exposures from electricity generation.

The report committee is pictured above (from left to right):

  • Lynn Hubbard, Sweden
  • Tracey Anderson, UK
  • Helen Grogan, US
  • Malcolm Crick, UNSCEAR Secretariat
  • Jane Simmonds, UK
  • Ed Waller, Canada.
Art Rood presenting at NCRP workshop on TENORM.

Art Rood presents at NCRP workshop on TENORM

Art Rood gave an invited presentation on exposure pathways from Technically Enhanced Naturally Occurring Radioactive Material (TENORM) at an NCRP workshop on TENORM in unconventional oil and gas production.  The workshop was held February 1-2, 2016, at the 49th Midyear Meeting of the Health Physics Society in Austin, Texas.

NCRP Scientific Committee 1-25

John Till selected as member of NCRP Scientific Committee 1-25

John Till was selected to be a member of the newly formed NCRP Scientific Committee 1-25. The committee is charged with preparing an NCRP Commentary on “Recent Epidemiologic Studies and Implications for the LNT Model”. The work is supported by the US NRC. The committee will look at recent literature related to low dose exposures to determine the continued appropriateness of the LNT model for radiation protection. John will be assisted by RAC team members Helen Grogan and Harold Beck in evaluating the dosimetry used in the epidemiologic studies being evaluated.

Members of NCRP SC 1-25 shown above include (left to right, beginning with top row):

  • John D. Boice, Jr., cochair (NCRP)
  • Lawrence T. Dauer, cochair (Memorial Sloan Kettering Cancer Center)
  • Scott Davis (Fred Hutchinson Cancer Research Center)
  • Fred A. Mettler, Jr. (University of New Mexico)
  • R. Julian Preston (U.S. Environmental Protection Agency, retired)
  • Roy E. Shore, cochair (Radiation Effects Research Foundation, retired)
  • John E. Till (Risk Assessment Corporation)
  • Richard J. Vetter, staff consultant (Mayo Clinic)
  • Richard Wakeford (University of Manchester)

For more information about NCRP SC 1-25, download Dr. Boice’s November 2015 newsletter from the NCRP website (PDF download).


NCRP Report 116 Cover

John Till attends meeting of NCRP Council Committee 1

John Till attended a meeting of NCRP Council Committee 1 (CC-1) in December 2015 at NCRP headquarters in Bethesda, MD. CC-1 was formed in early 2014 to write an NCRP report updating and expanding on NCRP Report No. 116, Radiation Protection Guidance for the United States, which was published in 1993. Substantial advances in radiation effects knowledge, as well as radiation protection understanding and culture, have occurred, and the new report will serve as an update.

For more information about NCRP CC-1, visit the NCRP website.


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