At a border crossing point, the first line of defence against the illicit trafficking of
nuclear and other radioactive materials is usually provided by radiation portal
monitors or mobile radiation detection devices.
In case of alarm, a primary assessment must be undertaken. This will lead either to
the release of the vehicle or to a secondary inspection. The secondary inspection is
carried out by customs officers with handheld radiation detectors.
As it contains sensitive information, the full version of this course is only available for national administrations. Login with your professional email if you work in a customs or tax administration.