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CCPS Process Safety Glossary
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EPA’s rule requiring some facilities to prepare, submit, and implement a... Read More... |
EPA’s accidental release prevention Rule, which requires covered facilities... Read More... |
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Ways of combining information on likelihood with the magnitude of loss or... Read More... |
Objective-based risk criteria established as goals or guidelines for... Read More... |
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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... Read More... |
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Management system failures such as faulty design, inadequate training, etc.... Read More... |
The lower part of the boundary layer, typically of depth a fewHr, where the... Read More... |
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A process involving an exchange of samples intended to transfer analytical... Read More... |
Behavior in which a person follows remembered or written rules. Examples... Read More... |
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The distance in the direction of flame propagation from the point of... Read More... |
A thermally unstable reaction system which exhibits an uncontrolled... Read More... |
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A thermally unstable reaction system which shows an accelerating increase of... Read More... |
A reaction that is out of control because the rate of heat generation by an... Read More... |
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A network in a Ladder Diagram Program with its attached left Power Rail and... Read More... |
Normal hardware operation, e.g., an unspared compressor which must operate... Read More... |
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Dimensionless terms for TNT equivalence explosion modeling. |
Self-Accelerating Decomposition Temperature; The lowest ambient temperature... Read More... |
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The period of stabilized burning on a flame arrester without flame being... Read More... |
A building or enclosure that is designed to provide protection to its... Read More... |
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The expectation that a system does not, under defined conditions, lead to a... Read More... |
The instrumentation, controls, and interlocks provided for safe operation of... Read More... |
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(there is no definition for this CPQRA) is defined as the likelihood that a... Read More... |
Same as interlocking except a failure to control out-of-limit conditions can... Read More... |
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A system or subsystem that is considered adequate to protect against a... Read More... |
Equipment and/or Procedures designed to respond to an accident event... Read More... |
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The length of time in atmospheric dispersion testing over which... Read More... |
A structure containing instrument and process control equipment for one or... Read More... |
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Semi-Batch Reactor; A type of batch reactor that is characterized by the... Read More... |
See Time. |
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[In the context of identifying incompatibilities:] A detailed physical... Read More... |
Second Order Closure Puff model (Sykes et al., 1998) |
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A semiconductor device that functions as an electrically controlled switch... Read More... |
A simplified dispersion model with limited capabilities, suitable for... Read More... |
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A password, key, procedure, or other device which has the ability to limit... Read More... |
The selectivity (ap) is the ratio of the amount of a desired product P... Read More... |