Uni-Probe LB 490
BERTHOLD TECHNOLOGIES GmbH & Co. KG
1 – 37
Volume 1 6 Radiation Protection
1
6.4 Safety Measures
When designing the installation of radiometric measuring systems,
the possibility that a fire breaks out must be considered. Please
keep in mind that flammable substances must not be stored in the
proximity of radioactive substances. They should be covered and
protected properly to prevent a possible spreading of the fire to the
radioactive sources. It is mandatory to coordinate all preventive
measures against fire with the local authorities, primarily with the
fire department, which must be informed about the type, scope and
place of application of the radioactive substances used, in order to
be prepared in the event of fire.
When devising alarm plans, possible special features of the radio-
metric measuring system have to be mentioned; the competent or
authorized personnel (Radiation Safety Manager) to be notified in
the event of an emergency has to be included in those plans as
well, and also the address and phone number of the regulatory
authority.
6.5 Protection against Theft
Radioactive substances or facilities containing radioactive sub-
stances must be secured against unauthorized use. Fixed installa-
tions are, by their nature, protected against unauthorized use.
If facilities working with radiometric measuring systems are taken
out of service for a longer or indefinite period of time, the radioac-
tive sources together with their shieldings should be dismantled
and secured until the facility is taken into operation again.
Portable measuring systems, on the other hand, have to be pro-
tected by keeping them under constant supervision, or, if they are
not in operation, by keeping them in a locked room or container
which can be guarded against unauthorized access.
This is especially true for low activity test sources which are used,
for example, to check the function of dose rate measuring instru-
ments.
In the event that radioactive substances are lost, the Radiation
Safety Manager and the regulatory authority have to be notified
immediately.
In case of theft, the police must be informed as well.
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