Chapter 1 General Information
Mini-Switch LB 471
Mega-Becquerel
This unit indicates the source activity. Each Bq corresponds to
one decay per second..
1 MBq = one million decays
Milli-Curie
This unit is also used for the activity of a source. However, this
unit has been replaced by the unit MBq (1mCi = 37 MBq)
1.5 Safekeeping of the User’s Guide
This user’s guide always has to be available at a fixed place. The
personnel have to be informed about this place. Any time the de-
vice is used by another operator and whenever there is a change
in ownership of the device, the user’s guide has to be given to the
new operator or owner.