CCPS Process Safety Glossary

Center for Chemical Process Safety of the American Institute of Chemical...

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One of the 27 different categories of CPQRA, defined by a unique value for...

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Elevation of plume centerline above ground after plume rise is completed....

The portion of a computer's or microprocessor's logic which executes the...

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Mass-weighted mean height of plume, as defined by Eq. (1).

A document verifying that a company maintains insurance at a specific...

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Element of a finite set of different elements, called the character set,...

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A defined set of representations, called, characters, from which selections...

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The typical wind speed in the obstacle array. Chemical reactions Removal of...

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An excess or deficit of electrons expressed in Coulombs. An electron carries...

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The quantity of charge divided by the total volume that contains this charge...

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The process by which separated charges recombine or excess charge is lost...

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Charge density expressed per unit mass of condensed phase material. Also...

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The rate of flow of charge into a given system per unit time, expressed in...

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A written procedure in which each item is marked off (or acknowledged on a...

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In a computer, a summation of digits or bits summed according to an...

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Any element, chemical compound or mixture of elements and/or compounds. OSHA...

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A group of single elements or compounds with a common general name. Example...

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The stopping of a flame by means of a chemical suppressant.

The phrase is used loosely to include facilities which manufacture, handle...

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The numerical evaluation of both incident consequences and probabilities or...

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The quantitative evaluation of expected risk from potential incident...

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Removal of pollutants from the air by reactions with other chemicals....

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The tendency of substances to undergo chemical change.NOAA 2002

A situation with the potential for an uncontrolled chemical reaction that...

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Chemical Transportation Emergency Center; a national center established by...

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An adverse effect on a human or animal body, with symptoms which develop...

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A frequent or continuous exposure to a toxic agent over an unspecified, but...

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The potential for injury or damage to occur as a result of prolonged...

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Adverse (chronic) effects resulting from repeated doses of or exposures to a...

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The NFPA system for flammable and combustible liquids is given in NFPA 30....

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The term used in this text to identify the company issuing the tolling...

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Any type of pollutant mass moving through the atmosphere.

The concentration mass-weighted mean height of a pollutant cloud.

CO

Carbon monoxide, a colorless, odorless, flammable and very toxic gas...

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CO2

Carbon dioxide, a heavy, colorless gas, produced by the combustion and...

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