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Reaction when malfunc-
tion occurs
24 hour service hotline
Immediate measures
VEGASOURCE 86 • Source holder
Note:
The specified value is valid for the USA. National regulations of other
countries may prescribe other limit values.
If the source is possibly leaky, carry out the following steps:
•
Inform the radiation safety officer
•
Take suitable measures to avoid contamination of the environment
by the source. Secure the source.
•
Inform the responsible authority that a leaky source was detected.
7.5
Rectify faults
The operator of the system is responsible for taking suitable meas-
ures to rectify faults.
The radiation safety officer is responsible for all matters having to do
with radiation protection, especially ensuring that the radiation protec-
tion ordinance is observed, and can prescribe appropriate measures
if problems or malfunctions occur.
For help with urgent technical problems, call the VEGA service hotline
number +49 1805 858550.
The hotline is manned 7 days a week round-the-clock. Since we offer
this service worldwide, the support is only available in the English
language. The service is free, only standard call charges are incurred.
Telephone hotline USA
A special telephone hotline is available for the USA:
1-800-367-5383
Outside normal working hours, please leave a message on the an-
swering machine.
The engineer on duty will call you back.
7.6
What to do in case of emergency
The emergency procedure described here must be applied immedi-
ately in the interest of the safety of the staff, in order to secure an area
in which an unshielded radiation source exists or is assumed to exist.
An emergency situation exists if a radioactive source is no longer
inside the source holder, if the source holder cannot be switched to "
OFF" position or if an increased local dose rate has been detected in
the proximity of the source holder.
The emergency procedure protects the affected persons until the
responsible radiation safety officer arrives and prescribes further
measures.
The person charged with the supervision of the radiation source (i.e.
the person stipulated and authorized by the plant operator) is respon-
sible for implementing this procedure.
•
Determine the dangerous area on site by measuring the local dose
rate in µSv/h (mR/h)
7 Maintenance and fault rectification
35
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