IRSN, Institut de radioprotection et de sûreté nucléaire

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Enhancing Nuclear Safety


Research at the IRSN

The mission of the IRSN in terms of research is not simply the acquisition of new scientific knowledge, but also the development of technical risk management tools and a contribution to the development of the expertise available within the Institute.

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    Measure of very low concentrations of radionuclides



All the news

News and Agenda


Presentation on the European approach for the medical and therapeutical management of mass radiation exposure, to be given at the EBMT's 2018 Annual Meeting

​During the Annual Meeting of the EBMT (European Society for Blood and Marrow Transplantation), being held from March 18 to 21, 2018, the EMBT's "Nuclear Accident Committee" (NAC), IRSN and Ulm University (Germany) will present "the European approach or the medical management of mass radiation exposure", to coincide with the recent 2017 edition of the guide to this approach.



IRSN's theses days 2018

​IRSN’s theses days 2018 will start on Monday March 19th until Thursday March 22nd 2018 and will take place in Annecy (France). This seminar, which takes place every year, is a unique event of exchange and conviviality for IRSN's PhD students.



The 15th issue of Aktis, IRSN’s scientific newsletter, is available

​​The fifteenth English-language issue of Aktis, the quarterly newsletter on IRSN’s research, is available on a HTML and PDF package. In this issue, focus on modeling tritium transfer in the environment to assess its impact.



Publication of the book "Current state of research on pressurized water reactor safety"

​​​IRSN publishes a new book in its Science and Technology Series, entitled "Current state of research on pressurized water reactor safety". This publication reports on the progress of research and development concerning pressurized water reactors, which are the reactor type used in France.



Geoffrey Pellerin wins the 2018 Jean Bricard Award

​On Tuesday, January 30, 2018, Geoffrey Pellerin won the Jean Bricard Award, presented by the ASFERA (French Association for Aerosol Research) during the 31st French Aerosol Conference (CFA 2018) held in Paris.



IRSN is joint organizer of the second workshop of the French seismological and geodetic network (RESIF) focusing on seismic hazard

​The second workshop of the French seismological and geodetic network (RESIF) focusing on seismic hazard will be held in Montpellier from 29 to 31 January. IRSN, one of the historic leaders in the field, has been heavily involved in organizing the workshop.



HDR viva

​Alexandre Dauzères has defended his HDR "Contribution à la compréhension des interactions physico-chimiques des matériaux anthropiques et naturels dans les environnements de stockage de déchets radioactifs" on Friday 26th January in Fontenay-aux-Roses (France).



Recruitment for PhD proposals at the IRSN laboratories for the 2018 academic year has started !

Thesis proposals are ​​available in the theses section and organized by discipline. The first step to apply is to contact the tutor of the thesis (mail address: by sending CV and application letter.​



PhD student at IRSN wins award at the "Microbiota & Health" conference

​Alexia Lapière, a PhD student at IRSN's Radiobiology of Medical Exposure Laboratory (LRMed), won an award for the paper that she presented at the "Microbiota & Health" conference held at the Kremlin-Bicêtre hospital (France).



The AMORAD project: register for the scientific matinee organized by the IRSN

​The IRSN is organizing a scientific matinee devoted to the AMORAD project on Thursday, November 23rd, from 9:00 to 13:00 in Fontenay-aux-Roses. Registration for this matinee is free and it is open to everyone.



The IRSN is co-organising a workshop on masonry techniques in the face of earthquakes

​The École Normale Supérieure (ENS), the IRSN and the French Association of Earthquake Engineering (AFPS) are organizing an international workshop on "Masonry techniques in the face of earthquakes, from Antiquity to the present: prospects for multidisciplinary studies".



Updating the knowledge on tritium in the environment

​The IRSN is publishing a review of knowledge accumulated since 2010 on the behaviour of tritium in the environment. It summarises the main advances in research at a stage that clarifies questions around the metrology of tritium, its physicochemical forms, levels measured in environments such as air, water, soils and sediments, bioaccumulation and transfer in the food chain.



The 14th issue of Aktis, IRSN’s scientific newsletter, is available

​The fourteenth English-language issue of Aktis, the quarterly newsletter on IRSN’s research, is available on a HTML and PDF package.



Nuclear accident and human and social sciences: First conference for the AGORAS project

​How is an institutional balance established and how does it change between the various players involved in preventing nuclear accidents and in managing one should it occur? The AGORAS project sets outs to answer this very question, and the first conference will be organized by the IRSN for Tuesday, November 21, 2017 at Cité Universitaire in Paris.



Doctoral student at the IRSN receives Best Paper Award at ICONE 25

​Salima Kaissoun, a doctoral student at the Research and Modeling Laboratory for Airborne Dispersion and Containment (LEMAC) at the IRSN received a Best Paper Award during the ICONE 25 conference (International Conference on Nuclear Engineering) held in Shanghai from July 2-6, 2017.


Our publishing

  • SARNET 2 final report

    SARNET - european network of excellence on core meltdown accidents - phase 2 final report is now on line.

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    List of the last publications on line


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Focus on...

  • The PERSEE facility

    ​PERSÉE (French acronym for Experimental platform for research for radioactive effluents purification) is a test bench designed specifically for studying and improving gaseous effluent purification systems ubiquitous in nuclear facilities.