Criteria for use in Preparedness and Response CoverThis safety guide presents a set of criteria for developing the operational levels needed for decisions concerning protective and response actions in a nuclear or radiological emergency. The recommendations for emergency preparedness and response conform with guidelines set out in the International Atomic Energy Agency (IAEA) Safety Standards Series No. GS-R-2.

One of the mandates of the IAEA is to establish and adopt safety standards to protect people and the environment from the harmful effects of ionizing radiation. These standards must be used and applied by Member Countries of the IAEA. The document is available in English at