20 June 2025
Accelerator Section Session at 70th HPS Annual Meeting
The Accelerator Session at the upcoming 70th Health Physics Society (HPS) Annual Meeting is scheduled for Wednesday afternoon, 16 July […]
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HPS Annual Meeting
Come to Madison, Wisconsin, for the 70th Health Physics Society Annual
Meeting, 13-17 June 2025.
The 2025 HPS raffle is open!
Win an amazing Hyundai Ioniq 5 or a bunch of cash!
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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20 June 2025
Nominate an Expert for Assessing Radiation Exposure, Health Outcomes, and Mitigation Strategies for Flight Crewmembers
The National Academies of Sciences, Engineering, and Medicine are seeking suggestions for experts to participate in a new study, Assessing […] -
16 June 2025
In Memoriam: Michael Stabin
Health Physics Society member Michael Stabin died recently. An In Memoriam piece will be posted on the HPS website at […] -
16 June 2025
Science Support Committee Hosting Science Teacher Workshop
The Health Physics Society (HPS) Science Support Committee will be hosting a science teacher workshop during the 70th HPS Annual […] -
16 June 2025
2024 Michael T. Ryan Outstanding Paper of the Year Award Recipients
The Editorial Board of Health Physics is pleased to announce that the paper “Radiation Protection Considerations for Cancer Patients with […] -
16 June 2025
LNT and the Federal Government: A Summary of the Recent HPS-NCRP Open Forums
The Health Physics Society (HPS), in collaboration with the National Council on Radiation Protection and Measurements (NCRP), hosted two open […]
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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.