CCPS Process Safety Glossary

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The technique of maintaining an atmosphere that is either inert or fuel-...

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A transient change in the gas density, pressure, and velocity of the air...

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The load applied to a structure or object from a blast wave, which is...

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Buildings that are structurally designed to withstand an explosion generated...

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The overpressure wave traveling outward from an explosion point. (CCPS, 1996...

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A simplified drawing representing a process. It typically shows major...

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A separate collection vessel intended to receive a periodic or emergency...

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Separators or accumulators used to separate liquids and vapors in pressure-...

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A violent expulsion of contents caused by a heat wave from the surface...

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A type of rapid phase transition in which a liquid contained above its...

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The process of connecting two or more conductive objects together by means...

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That branch of mathematics describing the behavior of linear functions of...

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A small number of incidents selected to bracket the spectrum of possible...

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A diagram for visualizing the types of preventive and mitigative barriers...

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A node with two paths in an event tree or cause-consequence diagram. One...

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The minimum voltage for spark breakdown to occur across a material of given...

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The minimum voltage for spark breakdown of a specified gas mixture between...

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the cells, nutrients, waste, and other components that make up the contents...

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An industrial or commercial property that is abandoned or underused and...

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A higher energy form of corona discharge characterized by low frequency...

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A higher energy form of corona discharge characterized by low frequency...

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A rigid, enclosed structure.

Models used for estimating the flow and dispersion in and near the...

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The risk to a person who occupies a specific building 24 hours/day, 365 days...

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The procedures used to evaluate the hazards and establish the design...

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A partial surface discharge created during bulking of powder in containers,...

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The in-cloud density is less than the ambient density, due to the emissions...

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Mathematically, (rcld - rair)gVcld (in Newtons), the product of the...

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See Positively Buoyant Gas.

Generated by heating of the ground surface by the sun and is suppressed by...

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The ability of a flame arrester to maintain its mechanical integrity and...

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Burning velocity is the speed at which a flame front propagates relative to...

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Bus

One or more conductors used for transmitting signals or power from one or...

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A form of documentation where only information that fits a certain...

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A data element of length 8 bits.

The letter "C" or the word "ceiling" on the TLV or PEL shows the highest...

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