“Favorite” radionuclides can be defined via the Option window – the Environment (frequently used options) bookmark/tab.
Click the ’Define/change “favorite” nuclides list’.
Use arrow – > and ’Delete from list’ buttons to include, respectively, exclude nuclides and nuclide chains relevant for the waste component.
Tick in the check box if the “favorite” radionuclides should be automatically included when new waste components are defined.