Resolution 8 of the 15th CGPM (1975)

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.

DOI : 10.59161/CGPM1975RES8E