If planned Risk Prevention were not sufficient and an emergency occurs despite precautionary measures, the first objective is to contain and control the negative consequences of this event in order to avoid a crisis.
Analysis according to the HAZOP method
Examples from practice
However, if a condition is reached in which the emergency is so extreme that the planned containments are no longer sufficient, e.g. due to explosions or damage to relevant auxiliaries, the "red" phase, the Emergency Management, initiated.