CCPS Process Safety Glossary

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The potential for damage to, or loss of, an asset. Risk, in the context of...

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The process of determining the likelihood of an adversary successfully...

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Organisms that are of particular concern to the federal government because...

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The selectivity (ap) is the ratio of the amount of a desired product P...

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The lowest temperature that a mass of material, capable of an exothermic...

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See Spontaneous Combustion (Heating) of Powders.

The ignition and sustained combustion of a substance without introduction of...

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Capable of polymerization, decomposition or rearrangement. Initiation of the...

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A reactor in which some reactants are added to the reactor at the start of...

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In a semi-batch reactor, some reactants are added to the reactor at the...

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Risk analysis methodology that includes some degree of quantification of...

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Risk analysis methodology that includes some degree of quantification of...

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Possessing a conductivity between 102 and 104 pS/m or a resistivity between...

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Having an electrical resistance great enough to limit the flow of stray...

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A gas that is much more likely to cause a failure in a flame arrester test...

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The sensitivity of a measure to a parameter is defined as the change in the...

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A substance which on first exposure causes little or no reaction in man or...

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A chemical that causes a substantial proportion of exposed people or animals...

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Means accessible only to plant personnel responsible for the proper...

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An arrangement of control devices, wiring, or software programming such that...

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Automatic control of a series of operations in a predetermined order. A...

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A control system in which the individual steps are processed in a...

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A graphical representation of a Sequential Program consisting of...

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A plan which prescribes the actions on a system in a predetermined order and...

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A system wherein the bits of a character occur serially in time, implies...

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The classification for an occupational injury which includes: (a) all...

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The maximum credible consequences or effects, assuming no safeguards are in...

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A dispersion model capable of predicting flows in variable terrain by using...

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A process for taking immediate shelter in a location readily accessible to...

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Physical protection (such as an enclosed building) against the outcome of an...

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See Detonation Momentum Attenuator.

A relatively unstable material, the energetic decomposition of which can be...

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

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Is the limiting exposure concentration for exposure durations up to 15...

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A material added to a reaction mixture to stop or greatly reduce the...

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For exposures whose occurrence is expected to be rare in the lifetime of any...

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