As the French national public expert in nuclear and radiological risks, IRSN contributes to public policy-making concerning nuclear safety and health and environmental protection against ionizing radiation. As a research and expert appraisal organization, IRSN works together with ​all the participants concerned by these policies while keeping an open mind.

IRSN acts as support for the public authorities competent in nuclear safety and radiation protection for civil and defense activities, and safety of nuclear facilities and materials within the framework of international treaties.

IRSN defines and implements national and international research and study programs. It contributes to radiological monitoring of the national territory and workers exposed to ionizing radiation and to their training in radiation protection.

IRSN makes its expertise available to numerous French and foreign partners and customers.

Nuclear Safety

Radiological protection of people & environment

Nuclear & radiological emergency management

Security & Non-proliferation