Resolution 8 of the 15th CGPM
SI units for ionizing radiation: becquerel
The 15th Conférence Générale des Poids et Mesures,
- by reason of the pressing requirement, expressed by the International Commission on Radiation Units and Measurements (ICRU), to extend the use of the Système International d'Unités to radiological research and applications,
- by reason of the need to make as easy as possible the use of the units for non-specialists,
- taking into consideration also the grave risks of errors in therapeutic work,
adopts the following special name for the SI unit of activity:
becquerel, symbol Bq, equal to one reciprocal second.