Welcome to the Health Physics Society
We are a scientific organization of professionals who specialize in radiation safety. Our members represent all scientific and technical areas related to radiation safety, including academia, government, medicine, research and development, analytical services, and consulting.
Ask the Experts
Get answers to your radiation-related questions from the Health Physics
Society’s panel of radiation safety experts.
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Join the Health Physics Society to access exclusive publications, helpful
tools, and many other benefits.
Health Physics
The official journal of the Health Physics Society, providing the latest
research for radiation safety professionals.
71st HPS Annual Meeting
Start planning now for next summer’s
Health Physics Society meeting.
About Us
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 2025The October course offerings have been posted on the Courses page of the HPS website. Information on the following courses is […]
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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.