MWe Megawatt electric MWth Megawatt thermal N N4 N4 plant series – series of pressurised water reactors with a capacity of 1,450 MWe, operated by EDF NEA Nuclear Energy Agency NNR South-African National Nuclear Regulator NNSA Chinese National Nuclear Safety Administration NORM Naturally Occurring Radioactive Materials NPE Nuclear Pressure Equipment NPH Spent fuel elements unloading and storage facility (UP2-800 plant – Orano – La Hague) NQM Maintenance non-quality NRA Japanese Nuclear Regulatory Authority NRBC Nuclear, Radiological, Biological or Chemical NRC (US) Nuclear Regulatory Commission NSSG South Korean Nuclear Safety and Security Commission NUS National University of Singapore NUSSC IAEA Nuclear Safety Standards Committee NVH New Wet Process NZU New Uranium Zone O OCLAESP Central Office for Combating Offences against the Environment and Public Health OEF Operating Experience Feedback OELV Occupational Exposure Limit Value ONR (UK) Office for Nuclear Regulation OPECST Parliamentary Office for the Evaluation of Scientific and Technological Choices Orsec Disaster and Emergency Response Organisation OSART Operational SAfety Review Team – safety review mission for nuclear power plants, organised by the IAEA P/Q P4 First series of 1,300 MWe nuclear reactors (EDF) PAB Public Access Building PASTIS Passive Systems Thermalhydraulic Investigations for Safety PE Pressure Equipment PDR Pulsed Dose-Rate PET Positron Emission Tomography PIA Protection Important Activities PIANOFORTE European Partnership for Radiation Protection Research PIC Protection Important Component PNGMDR National Radioactive Material and Waste Management Plan PNRANRM Major Nuclear or Radiological Accident National Response Plan POPM Medical Physics Organisation Plan PPE • Personal Protective Equipment • Multi-Year Energy Programme PPI Off-site Emergency Plan PRSE Regional Health and Environment Plan PRST Regional Occupational Health Plan PSA Probabilistic Safety Assessment PSI Irradiation Monitoring Programme PTR Reactor Cavity and Spent Fuel Pit Cooling and Treatment System PUI On-site Emergency Plan PWR Pressurised Water Reactor QMS Quality Management System R R&D Research and Development RAN Person/entity responsible for Nuclear Activities RASSC IAEA RAdiation Safety Standards Committee RBM MOX scrap in containers RCB Sludge Retrieval and Packaging RCC Design and and Construction Rules RCV Chemical and volumetric control system (of reactor) Recorad Recommendations for the practice of external-beam radiotherapy (and brachytherapy) RFS Basic Safety Rule RGE General Operating Rule RHF High-flux reactor (Laue-Langevin Institute – Grenoble) RIA Radio Immunology Assay RIS Safety Injection System RNM (French) National Network of Environmental Radioactivity Measurements RPA Radiation Protection Adviser RPD RadioPharmaceutical Drug RPE-O Radiation Protection Expert-Officer RPO Radiation Protection Organisation RRA Residual heat Removal System RRI Component Cooling System RST Radioactive Substance Transport RTCU Uranium Fuel Reprocessing Residues RTE Réseau de transport d’électricité (French power transmission grid operator) RTN Rostekhnadzor – Russian nuclear safety authority RT-UHDD Ultra-high dose-rate radiotherapy RUS Strasbourg University Reactor (Louis Pasteur University – Strasbourg) S SCM Centralised Surveillance of Marcoule SCR Service competent in radiation protection SDIS Departmental Fire and Emergency Service SEC Essential service water system SENEX Operations associated with monitoring, upkeep and operation SET Société d’enrichissement du Tricastin (Tricastin enrichment company) SFMN French Society of Nuclear Medicine and Molecular Imaging SFPM French Society of Medical Physics SFR French Radiology Society SFRO French Society for Radiation Oncology. SFRP French Society for Radiation Protection SG Steam Generator SGTR Steam Generator Tube Rupture SHOF Social, human and organisational factor Les activités nucléaires : rayonnements ionisants et risques pour la santé et l’environnement 380 ASNR Report on the state of nuclear safety and radiation protection in France in 2025
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