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CCPS Process Safety Glossary

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The minimum amount of energy released at a point in a combustible mixture...

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The lowest temperature of a hot surface on which the most ignitable mixture...

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The lowest temperature of a hot surface at which ignition occurs in a dust...

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Voltage across capacitor of specified capacitance which upon discharge is...

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See Limiting Oxidant Concentration.

Accidents or near misses that have acceptable consequences but for which...

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A dispersion of fine liquid droplets in a gaseous medium.

Reduce the impact of a loss event.

Lessening the risk of an accident event sequence by acting on the source in...

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Equipment and/or procedures designed to respond to an accident event...

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Systems or procedures, such as water sprays, foam systems, and sheltering...

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A safeguard that is designed to reduce the severity of a loss event....

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Equipment and/or procedures designed to respond to an accident event...

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A safeguard that is designed to reduce loss event impact.

Maximum elevation of mixing in a typical daytime boundary layer.

The specific type of transportation of concern (for example, truck, rail,...

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Mathematically, ru2 (in Newtons/m2), the product of the cloud density and...

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Mathematically, ru2A (in Newtons), the product of the cloud density, speed...

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Accounts for the effects of stability and is proportional to u*3...

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Used in many boundary layer and transport and dispersion models to estimate...

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a highly specific, purified antibody that recognizes only a single epitope...

A simple molecule that is capable of combining with a number of other...

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A structured analysis of an incident directed by insights from historic case...

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An index based on the observed average ratio of casualties to the mass of...

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A device for accomplishing simultaneous transmission of two or more signals...

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A substance or agent capable of altering the genetic material in a living...

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A chemical that produces chromosomal damage.

An inspection/enforcement program designed by OSHA to more thoroughly...

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An event in which an accident (that is, property damage, environmental...

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The area within a few hundred meters downwind of the source where there is...

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An unplanned sequence of events that could have caused harm or loss if...

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The description of less severe incidents (i.e., below the threshold for...

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Vapors or aerosol with a specific gravity greater than ambient air so the...

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The net static liquid head that must be provided on the suction side of the...

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A maximal interconnected group of graphical Elements of a Ladder Diagram...

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A chemical which produce their primary toxic effects on the nervous system...

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