21 October 2025
October Course Offerings
The October course offerings have been posted on the Courses page of the HPS website. Information on the following courses is […]
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The Health Physics Society (HPS), formed in 1956, is a scientific organization of professionals who specialize in radiation safety. Its mission is to support its members in the practice of their profession and to promote excellence in the science and practice of radiation safety.
Health Physics News
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21 October 2025
Fukushima University Students Visit CSU
Five Fukushima University students visited Colorado State University (CSU) 1‒10 October 2025. The students were able to conduct multiple experiments […] -
21 October 2025
HPS Letters in Support of Radiation Safety Rulemaking
HPS President Mike Lewandowski has written to the Senate, Nuclear Regulatory Commission, Department of Energy, and Environmental Protection Agency advocating […] -
21 October 2025
HPS Nominations for IRPA Task Groups
Health Physics Society (HPS) past President Liz Brackett coordinated the nomination of HPS members for two International Radiation Protection Association […] -
15 October 2025
HPS National Radiation Protection Professionals Week Celebration
The Health Physics Society (HPS) is aiming to celebrate you, the country’s best health physicists, during National Radiation Protection Professionals […] -
15 October 2025
HPS Salary Survey
The 2025 Health Physics Society Salary Survey is now open through 31 December 2025. Your contribution to the survey will […]
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Decay Calculator
This Web application will allow you to calculate the activity of a radionuclide after a specified interval of time. The list of radionuclides excludes those with half lives measured in seconds.