CCPS Process Safety Glossary

The current, voltage, power, or driving force applied to a circuit or device...

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The device or set of devices through which data is brought into another...

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Solar radiation heat loading (Watts/m2).

The degree of intrinsic susceptibility of a material to release energy...

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Emissions that are short in duration compared with the travel time (time for...

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A programming language Element that specifics an operation and the values or...

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See “nonconductive.”

A flange or spool piece inserted into an otherwise conductive pipe–hose...

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Processing of substances such that a chemical reaction is intended to take...

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A dispersion model which averages or “integrates” the concentration in a...

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A protective response which is initiated by an out-of-limit process...

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A system that detects out-of-limits or abnormal conditions or improper...

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An event that propagates or mitigates an initiating (basic) event during the...

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Materials from a process that are not yet completely finished product. They...

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The fraction of the time that a measured value is zero in a timeseries of...

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A WDT is not independent of the PES it checks.

A transition layer rising downwind of a change of surface roughness, which...

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A failure involving either the hardware or the software of the Process...

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A break in the normal flow of a system or program occurring in such a way...

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A cooperative informal meeting with a witness where questions are answered...

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In relation to materials, a property of the material itself, regardless of...

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Equipment and wiring which is incapable of releasing sufficient electrical...

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In the air quality literature, the term inversion refers to a situation when...

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A type of inversion that occurs aloft, at an elevation of about 1000 m, and...

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During calm and clear nights, the inversion can be as much as 100 or 200 m...

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A persistent elevated inversion caused by subsiding air associated with a...

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In a corona discharge the interelectrode space contains slow moving ions of...

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A substance which, by contact in sufficient concentration for a sufficient...

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Acronym for Instrument Society of America, a U.S. society of instrument and...

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Industrial Source Complex—Version 3 model recommended by the EPA (1995) for...

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Standards published by the International Organization for Standardization....

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Devices, Circuits are said to be isolated where there is not galvanic...

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A means of preventing certain stream properties (deflagration, mass flow,...

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The conversion of a chemical with a given molecular formula to another...

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A system in which the controlling external temperature is kept constant....

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A system in which the controlling jacket temperature is kept constant.

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