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The Spanish Nuclear Safety Council (CSN) is the sole nuclear safety and radiation protection authority in Spain. The CSN is governed by public law and by its charter. It is independent from the central government, and it has its own legal personality and its own assets. It is accountable to the Congress of Deputies and the Senate.

The CSN’s mission is to protect employees, the population at large and the environment from the harmful effects of ionising radiation. It accomplish this by ensuring that nuclear and radioactive facilities are operated safely and by establishing the preventive and corrective measures to apply in all radiological emergencies, no matter what their source.