All Dose calibrator vials are calibrated against a traceable National Institute of Standards and Technology (NIST) solution. In an identical geometry, using a pressurized ion chamber. Each source is packaged in an individual lead shield that is color coded to the source. Red/Co-57, Green/Cs-137 and Black/Ba-133.

All sources are shipped with a Certificate of Calibration, Leak Test Certification, radiation safety and handling instructions and a custom decay calendar.