RAIS Radionuclide Risk Calculator

Do you have a previously saved file?
(dated 2025-07-23 or newer)
File Number:
Do you want to use the same radionuclides and radionuclide info type?

Using the Radionuclide Risk Calculator

Project Title


Select Scenario









*Indoor worker includes industrial tap water

Select Media





Select Media


Select Media





Select Media








Select Media




Select Media






Select Media







Select Media





Select Media







Select Source Depths







Select Radionuclides Data Source




Select Units




Select Radionuclides of Interest




Display Risk Output in Percentage


(Results are in seperate table. See User's Guide.)

Top of Page


Join the RAIS User's Group for updates Register