The content of this site has been prepared by the members of the thematic network "S2S - A Gateway for Plant and Process safety". Since the conditions of use are beyond our control we disclaim any liability, including patent infringement, incurred in connection with the use of these products, data or suggestions.

The thematic network S2S is a European Community Project carried out in the "Competitive and Sustainable Growth" programme and funded in part by contract number G1RT-CT-2002-05092.


A B C D E F G H I J K L M N O P Q R S T U V W Z All terms


An unplanned event or sequence of events that results in undesirable consequences. An incident with specific safety consequences or impacts. The term accident is defined as any incident which is accompanied by actual negative consequences.


  • Guidelines for investigating chemical process incidents;  Center for Chemical Process Safety of the American Institute of Chemical Engineers; New York; 1992; p.327.

An unwanted occurrence which results in injury to a person, or loss or damage to equipment, materials or the environment.


  • Human Factors in Process Operations, 1992, Robert C Mill, IChemE, ISBN 0 85295 294 5

An unwanted transfer of energy or an environmental condition which, due to the absence or failure of barriers and/or controls, produces injury to persons, property, or process.


  • Glossary of SSDC terms and acronyms, Oct.1984, US DOE 76-45/28 SSDC-28

Related Material

Contentbelongs to:Basic terms (General concepts)
Childcontains:Accident scenario
Childcontains:Accident sequence
Copyright by S2S - A Gateway for Plant and Process Safety - All Rights Reserved.
Web site engine's code is Copyright © 2003 by PHP-Nuke. All Rights Reserved. PHP-Nuke is Free Software released under the GNU/GPL license.
Page Generation: 0.089 Seconds