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CCPS Process Safety Glossary

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In this book the word "should" has been used to refer to action or guidance...

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A process by which an operating plant or system is brought to a safe and non...

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The impulse or pressure experienced by an object as a blast wave passes by...

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Reciprocal ohm, formerly called a mho. See Conductivity.

A semiconductor device that functions as an electrically controlled switch...

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A model of flow or dispersion where the key variables are scaled by...

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A mode of operation of solid state output devices in which the device...

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The process of locating a complex, site, plant, or unit.

A metric for measuring defects and improving quality. Also, a robust...

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The performance of more or less subconscious routines governed by stored...

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The performance of routine actions governed by stored patterns of behavior...

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A notation, sometimes used with Permissable Eexposure Limit (PEL) or...

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The non-dimensional local surface shear stress coefficient. The engineering...

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See "Sensitizer".

See "Dermal Toxicity".

Loose ring flange for connecting flared or stub end pipe. Continuity may be...

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Flameless, oxygen diffusion limited combustion within either a porous char-...

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A small smoldering region within either a dust layer or a much larger...

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A concept that is generally equivalent to As Low As Reasonably Practicable (...

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A measure of risk to a group of people. It is most often expressed in terms...

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Programs, procedures, rules, and associated documentation required for the...

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An interlock accomplished through an application program within a PES (see...

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See Software Interlock.

Measure of lack of porosity of an object. For example, a solid building has...

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A term expressing the percentage of a material (by weight) that will...

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A mode of operation of solid state output devices in which the device...

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The release parameters (e.g. magnitude, rate, duration, orientation,...

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SOx

Oxides of Sulfur; undesirable air pollutants. Importance: Often listed on a...

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The use of established tables to determine minimum separation distances...

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Spraying; a sparger on a fermentor sprays air into the broth.

Transient discrete electric discharge which takes place between two...

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An extinguishing system in which the radiant energy of a spark or an ember...

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Instructions that describe proper handling and storage procedures specific...

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A description of engineering precautions and personal protection that should...

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A dimensionless, temperature dependent ratio of the density of one substance...

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The area under the overpressure versus time curve.

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