Eu Regulations; Personnel Monitoring - QSA Global SENTINEL SENTRY 330 Manual

7.5 EU Regulations

A 'Controlled Area' must be marked with a barrier at a distance where the radiation intensity will not
exceed 7.5 µSv/hr (0.75 mR/hr). The boundary dose rates must be noted and the record kept for 2 years.
During radiographic operations, only classified radiation workers are allowed inside this area.
A 'Supervised Area' is defined as the area where the boundary dose rate limit must not exceed 2.5 µSv/hr
(0.25 mR/hr). No barriers or notices are required here, but the radiographer must be vigilant to ensure
that personnel in this area do not enter the 'Controlled Area'.

7.6 Personnel Monitoring

All personnel who enter a 'Restricted' or 'Controlled' area or are present during radiographic operations
are required to wear the appropriate personnel monitoring devices as required by the regulatory
jurisdiction. These devices can include; film badges; thermoluminescent dosimeters (TLD); optically
stimulated luminescence (OSL) badges; direct reading pocket dosimeters; electronic pocket dosimeters;
alarm ratemeters; and audible alarms. Calibrated and operable survey meters must be used to determine
and verify radiation levels when conducting radiographic operations.
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Operations Manual  MAN-038 March 2019  Page 98 of 100