ASN Report 2020

21 Any significant deviation concerning radiological cleanness 10 One quarter of the annual dose limit exceeded or event capable of leading to such a situation 4 Radiological monitoring device inspection interval exceeded 8 Abnormal situation affecting a source with activity higher than the exemption threshold 3 Operation with a radiological risk performed without analysis or ignoring the findings of the analysis TOTAL 208 34 Area warning sign anomaly or failure to comply with zone access conditions 128 Other significant event which could affect radiation protection GRAPH 4 Events involving radiation protection in BNIs notified 2020 127 Concerning one or more patients (therapeutic purposes) 44 Concerning one or more workers 69 Other events concerning radiation protection TOTAL 632 49 Loss, theft or discovery of radioactive sources or substances 210 Concerning one or more patients (diagnostic purposes) 133 Concerning the general public GRAPH 5 Events involving radiation protection (other than BNIs and transport of radioactive substances) notified in 2020 18 Regulation irradiation or contamination limits exceeded 10 Hazard affecting the material, package or conveyance TOTAL 75 10 Traceability anomaly (loss, delivery error, etc.) 30 Other failures to comply with the regulations 1 Recurring events constituting early warning signs 3 Other events considered to be significant 3 Deterioration of a containment barrier or a safety function GRAPH 6 Events involving the transport of radioactive substances notified in 2020 ASN Report on the state of nuclear safety and radiation protection in France in 2020 159 03 – REGULATION OF NUCLEAR ACTIVITIES AND EXPOSURE TO IONISING RADIATION 03