[en] The objective of this workshop is to offer all professionals of the nuclear industry the opportunity to discuss specific themes such as challenges of decommissioning operations, feedbacks, tools and techniques used to ensure compliance with radiation safety requirements. This document is the book of abstracts of this event. Content: 1 - Main radiation protection options in the design of new models of EDF reactors, the EPR2 and NUWARD cases; 2 - Radiation protection studies for the implementation of the big high-luminosity hadrons collider; 3 - Elaboration of a fire emergency plan for the CERN-Medicis medical radioisotopes production lab; 4 - Cern's environmental monitoring system; 5 - Management of a piezometric park at a nuclear site, the case of Marcoule; 6 - Development of a new generation of atmospheric tritium monitor; 7 - CROME: the new ionizing radiation monitoring system for radiation and environment protection at CERN; 8 - Situation of radiation protection instrumentation standardisation in international and national authorities; 9 - Organisation of radiation protection as a pole of expertise, application at Marcoule and Cadarache CEA centres; 10 - Radiation protection of health professionals in France, exposure, knowledge and habits - EXPERTS study; 11 - Autopsy and pre-conditioning of a LHC beam absorber; 12 - Radiation protection and dosimetry monitoring of a demolition work; 13 - Demolition work of the A and B dissolvers of MAR200 installation; 14 - Materials characterization and measurement before radioactive decay storage in the framework of the dismantling of the Muehleberg NPP; 15 - Modernisation strategy for the soundness control of the UP1, AVM, IECD perimeter; 16 - Radionuclide inventory of burnable radioactive waste contaminated with artificial alpha-emitters; 17 - Presentation of the CHICADE installation; 18 - Experience feedback about spent fuel storage pools, 30 years after; 19 - Radium action plan in Switzerland; 20 - Radiological characterization of high-energy proton targets from the CERN-ISOLDE facility; 21 - Muography monitoring and control of G2/G3 reactors with Micromegas detectors; 22 - Samples from G1 dismantlement measured by digital autoradiography (MAUD); 23 - Robots for radiological characterization; 24 - Radiological mapping: use of autonomous drone swarms for recurrent monitoring and controlled areas access; 25 - Innovative tools developed by DEMBOOST for the characterization of facilities, polluted sites and civil engineering structures; 26 - ICARE - A sorting tool for activated material at CERN in the framework of the inter-sites transport; 27 - TREC - Digital transformation platform for information traceability and management about radiological equipments and radiation protection processes at CERN; 28 - Image quality and dose optimization of C-arms used in operating rooms; 29 - Medical exposure in pediatrics: French cohort of children exposed to scanners and interventional cardiology procedures; 30 - Challenges in hospital radiation protection: interventional radiology and FLASH radiotherapy; 31 - Radon metrology: experience feedback in the framework of missions of building investigations and soils activity determination prior to construction; 32 - EVOC - The Nuclear Experience; 33 - Presentation of a spectroscopy and a neutron dosimetry study carried out with a Bonner spheres system (multi-spheres system); 34 - Geo-localized radiological measurement; 35 - Design of of a safety system for accelerator personnel - Use of an automatic safety system; 36 - Fingers and eye lens dosimetry; 37 - Environmental radioactivity monitoring in Switzerland; 38 - Radiation protection training with virtual reality; 39 - Scenarios of use of radiological characterization drones in situation of radiological emergency; 40 - Radiation protection on experimental loop with short-life radiotracer injection; 41 - New RDS-32WR-iTxTM radiometer for remote supervision; 42 - Relevant parameters influencing the labile contamination and the elimination factor; 43 - Industrial radiography at CERN; 44 - Radiation protection for industrial radiography activities at CERN; 45 - Regulatory verification procedure for radiation protection devices conformable to the new regulation; 46 - Characterization of ventilation parameters linked with helium tracks radiation protection; 47 - Characterization of ventilation parameters linked with radiation protection; 48 - Innovations in contamination control and workers protection improvement; 49 - Muonic tomography