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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18 March 2026The National Council on Radiation Protection and Measurements (NCRP) is hosting a two-part webinar series in April 2026 marking 40 […]
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18 March 2026
NRC Issues Annual Assessments for Nation’s Nuclear Plants
The US Nuclear Regulatory Commission (NRC) has issued annual letters to the nation’s 95 operating commercial nuclear reactors, regarding their […] -
12 March 2026
Celebrate 250 Years of America at HPS 2026 — In Style!
Stars, stripes, and science come together at the 2026 Health Physics Society Annual Meeting (HPS 2026) as the meeting coincides […] -
12 March 2026
Share Your Professional Books
Do you have professional health physics books you no longer use but that would be helpful to someone else in […] -
12 March 2026
Reviewing Your Membership Information
We recently conducted an information update for Health Physics Society (HPS) members’ join date. When you log into your membership […] -
12 March 2026
International Collaboration Committee Webinar: Radiation Protection in Armed Conflict
The Health Physics Society International Collaboration Committee will host a timely and important webinar, “Radiation Protection in Armed Conflict,” on […]
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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.










