CCPS Process Safety Glossary
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Data recorded from actual past experience. |
Actions by designers, operators, or managers that may contribute to or... Read More... |
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Data collected and recorded from past incidents. |
A rapid, self-sustaining, sometimes audible gasphase reaction of the sample... Read More... |
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Hybrid Plume Dispersion Model |
A graphical representation of sequential events in which the tree limbs... Read More... |
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High toxic hazard material. |
Any human action (or lack thereof) that exceed some limit of acceptability (... Read More... |
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The ratio between the number of human errors and the number of opportunities... Read More... |
A discipline concerned with designing machines, operations, and work... Read More... |
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A discipline concerned with designing machines, operations, and work... Read More... |
A method used to evaluate whether system-required human-actions, tasks, or... Read More... |
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A method by which the probability of a person successfully performing a task... Read More... |
A mixture of a flammable gas with either a combustible dust or combustible... Read More... |
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A mixture of a combustible gas with either a combustible dust or combustible... Read More... |
The incorporation of molecular water into a complex molecule with the... Read More... |
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An equivalent diameter for noncircular apertures which is equal to 4×... Read More... |
A flame arrester consisting of a vessel filled with a seal fluid (often... Read More... |
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Hypergolic behavior is characterized by immediate, spontaneous ignition of... Read More... |
Acronym for Institute of Electrical and Electronics Engineers. |
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A flammable gas, mist, or dust mixture or any combination of these that can... Read More... |
Self-sustained flame propagation caused by a static discharge in a flammable... Read More... |
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Energy in Joules stored in a capacitor which upon discharge is just... Read More... |
“Easily ignitable” gases or dusts meeting the following criteria: a gas... Read More... |
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The number of ignition sources per unit area (of plant). |
A portion of memory where I/O status (the image) is maintained. |
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Maximum airborne contaminant concentrations from which one could escape with... Read More... |
The ultimate potential result of a hazardous event, expressed, depending on... Read More... |
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The ultimate potential result of a hazardous event. Impact may be expressed... Read More... |
Frequency-dependent counterpart of resistance in AC circuits, comprising... Read More... |
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A phase in the development of computerized systems in which hardware and... Read More... |
The contribution from a subsystem or a component to the complete system. |
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The area under the overpressure-time curve for explosions. The area can be... Read More... |
A flame arrester which is fitted with two pipe connections, one on each side... Read More... |
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Ability of an energy source, such as a static discharge, to cause ignition... Read More... |
Data in two or more data sets which is derived from a common orgin and may... Read More... |