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Radiological Protection Ordinance (RPO)
English is not an official language of the Swiss Confederation. This translation is provided for information purposes only and has no legal force.
of 26 April 2017 (Status as of 1 January 2022)
Art. 85
1Supervised areas means areas which are subject to specific requirements for the purpose of protecting against exposures to ionising radiation from the operation of installations or the handling of sealed radioactive sources.
2 The following are to be established as supervised areas:
a.
rooms and adjacent areas in which installations are operated without a full or partial protection system;
b.
zones of type 0 as specified in Annex 10;
c.
areas in which persons may accumulate an effective dose of more than 1 mSv per calendar year from external radiation exposure.
3 The licence holder must ensure that, if elevated ambient dose rates occur during the operation of installations or the handling of sealed radioactive sources, only authorised persons can be present in supervised areas.
4 The licence holder must monitor compliance with the guidance values for ambient dose rates and compliance with protection measures and safety provisions within supervised areas.
5 Supervised areas must be marked as specified in Annex 8.
6 The establishment of supervised areas is not necessary for occupationally exposed aircrew.
7In rooms in which only compact dental X-ray systems are operated, the establishment of supervised areas is not necessary.