ASN notes some progress in occupational radiation protection. The licensee has taken into account the difficulties encountered in the previous years and the measures deployed are starting to show results that can be measured in the field. The number of significant events is slightly down compared with the preceding period and no level-1 events were reported, although the activity programme remained identical. This assessment nevertheless remains contrasted due to persistent shortcomings, notably in the application of the optimisation approach in work preparation and the coordination of radiation protection measures with outside contractors. ASN also observes an increase in deviations linked to deficiencies in the radiation protection culture or rigour of the workers, particularly regarding the conditions of access to controlled areas and taking regulatory zoning into account. The labour inspection actions carried out in 2023 were divided between inspections on facility maintenance and modification worksites, performed jointly with the nuclear safety inspections, and theme-based inspections on lifting or the prevention of risks associated with the work carried out by outside contractors. ASN notes positively the site’s prevention actions regarding safety further to the poor results of previous years, even though the number of workplace accidents remains high. Deviations were observed in the regulatory verifications of equipment used for lifting operations, some of which have been the cause of incidents. Improvements are also expected in the coordination of the prevention of risks associated with concomitant activities on the site. The installations and activities to regulate comprise: • one Basic Nuclear Installation: • the Gravelines NPP (6 reactors of 900 MWe) operated by EDF; • small-scale nuclear activities in the medical sector: • 19 external-beam radiotherapy departments, •3 brachytherapy departments, •30 nuclear medicine departments, • 90 centres performing fluoroscopy-guided interventional procedures, • 123 computed tomography scanners, • some 4,600 medical and dental radiology devices; • small-scale nuclear activities in the industrial, veterinary and research sectors: •about 600 industrial and research establishments, including 23 companies exercising an industrial radiography activity, 6 particle accelerators, including one for inspecting freight trains and 2 cyclotrons, 40 laboratories situated mainly in the universities of the region and 11 companies using gamma ray densitometers, • 340 veterinary surgeries or clinics practising diagnosticradiology; • activities associated with the transport of radioactive substances; • ASN-approved laboratories and organisations: •2 agencies approved for radiation protection controls. Chapter 7 p. 204 Chapter 8 p. 240 Chapter 9 p. 270 ASN Report on the state of nuclear safety and radiation protection in France in 2023 61 Regional overview of nuclear safety and radiation protection • HAUTS-DE-FRANCE •
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