CCPS Process Safety Glossary

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The heat transferred from one body to another not in contact with it but by...

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Any electrical signal capable of being propagated into and interfering with...

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When a superheated liquid is released to the atmosphere, a fraction of it...

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Memory that allows the user to read or write into in approximately the same...

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Where the time or approximate time of the demand occurrence is predictable,...

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An event or incident whose expected frequency is very small. The event is...

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The rate at which the conversion of reactants takes place. The rate of...

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The original records from which reliability data is extracted; the facility...

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Untreated field-equipment-specific failure information often collected as...

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Chemicals that are converted into the required products during the reaction...

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Any transformation of material accompanied by a change of enthalpy which may...

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The time a chemical compound or mixture may be held under isothermal...

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The complex of data (thermodynamic and kinetic), that determine a reaction...

The constant k in the rate of reaction. The reaction rate constant is the...

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A substance that can pose a chemical reactivity hazard by readily oxidizing...

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Categories of chemicals that react in similar ways, often because they are...

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Substance or material which enters into a chemical reaction with other...

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The relative tendency of a substance to undergo chemical reaction (low,...

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See chemical reactivity.

Memory that allows the user to read from but not to write into.

A work activity that occurs prior to initial start-up or restarting a...

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Disproportionation, isomerization or tautomerization.

An instrument, person, or hypothetical location where the pollutant...

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A volume downwind of an obstacle where the flow recirculates.

"Recognized and generally accepted good engineering practice", a term...

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A suggested course of action intended to prevent the occurrence (or...

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Feedback factors that limit or prevent the undesirable consequences of a...

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To conduct a new PHA.

The maximum pressure developed in a vented enclosure during a vented...

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The maximum pressure developed in a vented enclosure during a vented...

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In a reduction reaction (which always occurs simultaneously with an...

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The existence of more than one means of performing a required function or...

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A system, or part thereof, made up of N independent channels, which are so...

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A parallel path in a system structure to improve the system safety or...

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Impulse or pressure experienced by an object facing a blast.

A system condition in which a component in the reaction system (usually a...

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