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CCPS Process Safety Glossary
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The minimum temperature that a mass of material, capable of an exothermic... Read More... |
Certain compounds, such as organic peroxides, when held at moderate ambient... Read More... |
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The ignition and sustained combustion of a substance without introduction of... Read More... |
Capable of polymerization, decomposition or rearrangement. Initiation of the... Read More... |
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Possessing a conductivity between 102 and 104 pS/m or a resistivity between... Read More... |
Having an electrical resistance great enough to limit the flow of stray... Read More... |
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A gas that is much more likely to cause a failure in a flame arrester test... Read More... |
The sensitivity of a measure to a parameter is defined as the change in the... Read More... |
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A substance which on first exposure causes little or no reaction in man or... Read More... |
Means accessible only to plant personnel responsible for the proper... Read More... |
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An arrangement of control devices, wiring, or software programming such that... Read More... |
Automatic control of a series of operations in a predetermined order. ... Read More... |
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A control system in which the individual steps are processed in a... Read More... |
A graphical representation of a Sequential Program consisting of... Read More... |
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A plan which prescribes the actions on a system in a predetermined order and... Read More... |
A system wherein the bits of a character occur serially in time, implies... Read More... |
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The classification for an occupational injury which includes: (a) all... Read More... |
A dispersion model capable of predicting flows in variable terrain by using... Read More... |
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Physical protection (such as an enclosed building) against the outcome of an... Read More... |
See Detonation Momentum Attenuator. |
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A relatively unstable material, the energeticdecomposition of which can be... Read More... |
A transient change in the gas density, pressure, and velocity of the air... Read More... |
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A material added to a reaction mixture to stop or greatly reduce the... Read More... |
For exposures whose occurrence is expected to be rare in the lifetime of any... Read More... |
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A process by which an operating plant or system is brought to a safe and... Read More... |
The level of overpressure in the pressure wave from an explosion measured... Read More... |
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Reciprocal ohm, formerly termed a “mho.” See “Conductivity.” |
Amodel of flow or dispersion where the key variables are scaled by... Read More... |
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A mode of operation of solid state output devices in which the device... Read More... |
The process of locating a complex, site, plant, or unit. |
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The performance of more or less subconscious routines governed by stored... Read More... |
A notation, sometimes used with PEL or TLV exposure date; indicates that the... Read More... |
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or the nondimensional local surface shear stress coefficient. The... Read More... |
See "Sensitizer". |
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See "Dermal Toxicity". |
A dense gas dispersion model based on the slab solutions (Ermak, 1990). |