abnormal operations
as defined in Council Directive 2009/71/ Euratom of 25 June 2009 establishing a Community…, Article 3, point (8) (Definitions)
8.
‘abnormal operations’ means an operational process deviating from normal operation which is expected to occur at least once during the operating lifetime of a facility but which, in view of appropriate design provisions, does not cause any significant damage to items important to safety or lead to accident conditions;