CCPS Process Safety Glossary

A written plan which addresses actions to take in case of plant fire,...

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A system of guidelines being prepared by an industry task force of which...

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An automatic sequence initiated by an interlock. The sequence may consist...

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A device that is designed to shutdown the system to a safe condition on...

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The safety system which overrides the action of the basic control system...

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The safety control system that overrides the action of the basic control...

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A hard-wired push button that, when pushed, will maintain the trip position...

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Any spurious effect produced in the circuits or elements of a device by...

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The ratio of the radiant energy emitted by a surface to that emitted by a...

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A reaction of large magnitude resulting from the detonation of nuclear...

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An event that makes another event possible

A deflagration flame arrester that is installed on atmospheric pressure tank...

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A physical or chemical change that requires or is accompanied by the...

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A reaction involving one or more chemicals resulting in one or more new...

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A test in which a flame arrester is subjected to a stable flame on the...

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Steady burning of a stabilized flame at or close to the flame arrester...

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The cube root of the TNT equivalent mass,W1/3. [See Eq. (4.76).]

The mixing of air into a vapor cloud.

A factor used to adjust a given failure rate up or down depending upon...

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The analysis of the impact that a proposed development, usually industrial,...

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Areas requiring special management attention to protect important scenic...

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U.S. Environmental Protection Agency; Federal agency with environmental...

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An unplanned event of limited duration, usually associated with an accident...

An event of limited duration, typically an incident. For example, release of...

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A release of limited duration, usually associated with an accident.

A piece of hardware which can be defined in terms of mechanical, electrical...

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Demarcation of the equipment defining components included and interfaces...

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The probability that, when operating under stated environment conditions,...

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The ratio of fuel concentration in the actual fuel–air mixture divided by...

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A modification of the Average Rate of Death that takes into account society'...

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ERP

Equivalent Roughness Pattern used in the Kit Fox experiments, consisting of...

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The American Industrial Hygiene Institute defines Emergency Response...

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See Confidence interval.

The ratio of the 95th percentile value to the median value of a lognormal...

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A work situation in which the performance shaping factors are not compatible...

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Criteria defining the required content or conduct of a PHA based upon...

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