Use of radioactive sources at CERN

The RP-Sources service is part of the Radiation Protection group of HSE unit (Occupational Health & Safety and Environmental Protection Unit). It maintains a stock of radioactive sources for various uses. The RP Group is in charge of the purchase and loan of the radioactive sources, holders and shielding, as well as the registration and updating of the radioactive sources database. The RP-Sources service performs periodic inspections on sources installed in various parts of CERN.

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