Affiliates and Strategic Partners
Dose Reconstruction and Risk Assessment
Analysis of Releases
Data Management and Analysis
Technical Review and Audits
Courses and Training
RAC team’s Helen Grogan (in photo) and Mark Packard take a break from project work with a tour of the Hanford Site, B Reactor National Historic Landmark.
John Till, Helen Grogan, Emily Caffrey and her husband Jarvis summitted South Sisters Climber Trail 36 in Oregon following the July 2018 RAC team meeting.
RAC team members take a walk on the Kiawah Island beach to unwind after a day of meetings in November 2017.
November 2016 RAC team meeting at Kiawah Island, SC
RAC team meeting transportation provided by John Till.
RAC team members at a July 2016 meeting in Sisters, Oregon.
The 2016 UNSCEAR delegates for the U.S. 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 of the 63rd UNSCEAR session.
Emily Caffrey received her doctoral degree at the 2016 Oregon State University commencement.
February 2016 RAC team meeting at Salt Lake City, UT
RAC team members Jim Rocco, Justin Mohler, Mark Packard, Helen Grogan, Art Rood, and Lane Urtel gathered at the ddms, inc., offices in St. Paul, Minnesota.
Helen Grogan and John Till being guided by the father of radioecology, Professor F. Ward Whicker, Colorado State University, in Rocky Mountain National Park - December 2015.
RAC November 2015 team meeting at Kiawah Island, SC.
NCRP Scientific Committee 6-9 November 2015 meeting in Oak Ridge, TN.
Helen Grogan and Art Rood present a lecture to U.S. NRC staff at the 2015 training course.
Pete Shanahan discusses modeling fundamentals with U.S. NRC staff at the 2015 training course.
Some examples of equations discussed with U.S. NRC staff at the 2015 environmental risk assessment training course.
RAC team – Kiawah Island, SC, November 2014.
John Till and John Boice embarking on a VIP submarine cruise on the USS MONTPIELIER in 2014.
RAC team – Big Sky, MT, August 2014.
Atomic Veterans Study dosimetry group – Kiawah Island, SC, November 2013.
John Till lecturing at the RAC course presented in 2013.
Levity during a meeting of the Atomic Veterans Study dosimetry team in 2013.
Steam plant operating station on the USS LAFFEY visited to confirm pathways of exposure to Atomic Veterans.
Atomic Veterans Study 2012 meeting.
RAC team – Bend, OR, July 2012.
RAC team – Bowens Island, SC, November 2011.
Atop the oyster shell pile at Bowens Island, SC, November 2011.
Atomic Veterans Study 2011 meeting.
RAC team members visit the Waste Control Specialists site in west Texas in 2011.
Atomic Veterans Study 2012 meeting.
RAC team meeting – Kiawah Island, SC, November 2010.
Atomic Veterans Study dosimetry group meeting – Kiawah Island, SC, November 2010.
Participants and lecturers for the Bristol, UK, course that RAC collaborated to present in June 2009.
Sightseeing in Bristol, UK, during a 2009 course.
RAC team – Steamboat Springs, CO, July 2008.
RAC team meeting – Bend, OR, July 2007.
RAC team – Big Sky, MT, February 2006.
RAC team members skiing at Big Sky, MT, in 2006.
RAC team – Jackson Lake, WY, July 2005.
John Till with the ICRP Task Group at the Great Wall of China in 2004.
Drs. Till and Grogan on a multi-day mountain biking trip in Colorado in 2004.
Annual RAC shrimp boil – Kiawah Island, SC, November 2003.
RAC team – Kiawah Island, SC, November 2003.
John Till and Helen Grogan on a mountain biking outing with friends in 2003.
John Till at an ICRP committee four meeting at The Hague in 2001.
RAC team – San Diego, CA, March 2001.
RAC team – Kiawah Island, SC, January 2000.
Examining the dunes at Kiawah Island.
Tom Hinton, Ward Whicker, Helen Grogan, John Till, and John Till (son) after completing Mt. Rainier climb in August 2000
Rocky Flats Soil Action Level project public meeting in December, 1999.
John Till at an ICRP committee four meeting at Kiawah Island in 1999.
John Till chairing HEDR Technical Steering Panel meeting in 1988.