CCPS Process Safety Glossary

EPA’s rule requiring some facilities to prepare, submit, and implement a...

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EPA’s accidental release prevention Rule, which requires covered facilities...

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Ways of combining information on likelihood with the magnitude of loss or...

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Objective-based risk criteria established as goals or guidelines for...

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A flood resulting from an overflow of a river, stream or creek.

The spontaneous and sudden movement of a large mass of liquid from the...

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Management system failures such as faulty design, inadequate training, etc....

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The lower part of the boundary layer, typically of depth a fewHr, where the...

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A process involving an exchange of samples intended to transfer analytical...

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Behavior in which a person follows remembered or written rules. Examples...

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The distance in the direction of flame propagation from the point of...

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A thermally unstable reaction system which exhibits an uncontrolled...

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A thermally unstable reaction system which shows an accelerating increase of...

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A reaction that is out of control because the rate of heat generation by an...

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A network in a Ladder Diagram Program with its attached left Power Rail and...

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Normal hardware operation, e.g., an unspared compressor which must operate...

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Dimensionless terms for TNT equivalence explosion modeling.

Self-Accelerating Decomposition Temperature; The lowest ambient temperature...

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The period of stabilized burning on a flame arrester without flame being...

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A building or enclosure that is designed to provide protection to its...

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The expectation that a system does not, under defined conditions, lead to a...

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The instrumentation, controls, and interlocks provided for safe operation of...

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(there is no definition for this CPQRA) is defined as the likelihood that a...

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Same as interlocking except a failure to control out-of-limit conditions can...

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A system or subsystem that is considered adequate to protect against a...

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Equipment and/or Procedures designed to respond to an accident event...

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The length of time in atmospheric dispersion testing over which...

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A structure containing instrument and process control equipment for one or...

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SBR

Semi-Batch Reactor; A type of batch reactor that is characterized by the...

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See Time.

[In the context of identifying incompatibilities:] A detailed physical...

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Second Order Closure Puff model (Sykes et al., 1998)

A semiconductor device that functions as an electrically controlled switch...

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A simplified dispersion model with limited capabilities, suitable for...

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A password, key, procedure, or other device which has the ability to limit...

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The selectivity (ap) is the ratio of the amount of a desired product P...

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