F-N Curve is the complementary cumulative distribution plot curve, the frequency (F) of events which causes at least N fatalities (N) on log scales. A F-N curves are developed based on historical data, the quantitative risk analysis (QRA) results, and criteria for judging the tolerability of risk. A F-N Curve is generally expressed the Societal Risk which reflects the risks having low hazard and high consequence are taken into account, and the curves can be used for various geographical units such as country, province, state etc.
Related Definitions in the Project: The Risk Management; Project Management; HSE Management
