CCPS Process Safety Glossary

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

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A device that increases the conductivity of air so that charge drains away...

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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 list of items requiring verification of completion; typically, a procedure...

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A hazard evaluation procedure using one or more pre-prepared lists of...

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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. (...

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See Suppressant Barrier

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 process of hazard identification, followed by numerical evaluation of...

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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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Long-term, usually multiple exposures

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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A risk arising from a long-term persistent exposure.

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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A room in which the concentration of airborne particles is controlled, and...

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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.

A spherical bacterium.

Written requirements that affect a facility and/or the process safety...

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A coherent fault tree uses only "AND" and "OR" gates to represent the...

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An incident involving two or more moving vessels that collide while meeting...

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Capable of burning.

Reduction The technique of maintaining the concentration of combustible...

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