CCPS Process Safety Glossary

A failure of multiple devices due to some common cause, for example, the...

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The rate at which material accumulates on a surface

A measure of level of review, degree of complexity, and extent of detail...

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UK Defence and Evaluation Research Agency, developers of urban dispersion...

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Used on or applied to the skin.

Importance: Dermal exposure, as well...

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Adverse effects resulting from skin exposure to a substance. Also referred...

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A serious incident that has some small likelihood of occurring during the...

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Institute under the auspices of the American Institute of Chemical Engineers...

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A mechanical, electrical, or chemical device that automatically identifies...

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The minimum and maximum concentrations of a combustible material, in a...

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A release of energy caused by the propagation of a chemical reaction in...

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Propagation of a flame-driven shock wave at a velocity at or above the speed...

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A flame arrester used to prevent the transmission of a detonation.

A mechanical device inside of a detonation flame arrester whose purpose is...

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Part of PES.

See Pretrip Alarm.

A troubleshooting aid for identifying hardware malfunctions in a system or a...

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A troubleshooting aid for correcting hardware malfunctions in a system or a...

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A troubleshooting side for locating hardware malfunctions in a system or a...

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A troubleshooting aid for identifying hardware malfunctions in a system or a...

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A troubleshooting aid for locating hardware malfunctions in a system or a...

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Computer programs that isolate equipment malfunctions or programming errors...

An electronic-computer routine designed to locate a malfunction in the...

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H/W and S/W that is installed to analyze the cause or nature of a condition...

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A dimensionless parameter expressing the ratio of the permittivity of a...

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A technique in which the difference in energy inputs into a substance and a...

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A technique in which the temperature difference between a substance and...

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Any programmable electronic system such as a PLC, DCS, or microcomputer.

An embankment or wall built to act as a barrier blocking passage of liquids...

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Reduction in concentration due to effect of wind.

An address that designates the storage location of an item of data to be...

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A method of addressing in which the address part of an instruction contains...

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An incident outcome whose consequences produce an effect zone determined by...

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Probability in a given wind direction.

See Connect.

Refers to individual, distinct things such as bits, characters, or circuit...

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