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Glossary

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Hazard analysis (HAZAN)

Is the identification of undesired events that lead to the materialization of a hazard, the analysis of the mechanisms by which these undesired events could occur, and, usually, the estimation of the consequences.

Every Hazard analysis consists of three steps:
i) Estimating how often the incident will occur.
ii) Estimating the consequences to: employees; the public and the environment; plant and profits.

Reference: Process Equipment Reliability Data. Chemical Process Quantitative Risk Analysis; AIChE, 345 East 47th Street, New York, NY 10017; Center for Chemical Process Safety of the American Institute of Chemical Engineers; New York; 1989; pp.150


A term used in safety engineering for the logical, systematic examination of an item, process, condition, facility, or system to identify and analyse the source, causes, and consequences of potential or real unexpected events occurring.

Reference: W.Carl Gottschall & Douglas B.Walters, Laboratory Health and Safety Dictionary, Wiley-Interscience, ISBN 0-471-28317-7

 

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