CCPS Process Safety Glossary | AIChE

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CCPS Process Safety Glossary

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Scenario

A detailed description of an unplanned event or incident sequence that results in a loss event and its associated impacts, including the success or failure of safeguards involved in the incident sequence.

Worst-Case Scenario (WCS)

A release involving a hazardous material that would result in the worst (most severe) off-site consequences.