CCPS Process Safety Glossary

The technique of detecting and arresting combustion in a confined space...

Read More...

The transition phenomenon resulting from the acceleration of a deflagration...

Read More...

The reduction of pressure generated in a vessel by a deflagration by...

Read More...

A failure which is gradual or partial; it does not cease all function but...

Read More...

A countermeasure strategy that is intended to provide various barriers to...

Read More...

A specialized logic form of an "AND" gate where all inputs to the gate must...

Read More...

A polling of experts utilizing the following procedure: Select a group of...

Read More...

A polling of experts. The Classical Delphi is a single estimate (for each...

Read More...

A plant condition or event which requires a protective system or device to...

Read More...

The number of demands divided by the total elapsed operating time during...

Read More...

The total number of demands for the data window experienced by the component...

Read More...

A failure that is primarily related to the number of times that a device or...

Read More...

The description of the population along the transportation route, which can...

Read More...

Fiber weight per unit length (gram/9000-m length)

Cloud density is greater than ambient air density, due to the high molecular...

Read More...

A gas with density exceeding that of air at ambient temperature. Sometimes...

Read More...

A failure of multiple devices due to some common cause, for example, the...

Read More...

The rate at which material accumulates on a surface

A measure of level of review, degree of complexity, and extent of detail...

Read More...

Used on or applied to the skin. Importance: Dermal exposure, as well as...

Read More...

Adverse effects resulting from skin exposure to a substance. Also referred...

Read More...

A serious incident that has some small likelihood of occurring during the...

Read More...

Conditions to be used for the design of a vent system to ensure it will meet...

Read More...

Institute under the auspices of the American Institute of Chemical Engineers...

Read More...

A countermeasure strategy intended to identify an adversary attempting to...

Read More...

A mechanical, electrical, or chemical device that automatically identifies...

Read More...

To conclude; to reach an opinion consequent to the observation of the fit of...

Read More...

A countermeasure strategy intended to prevent or discourage the occurrence...

Read More...

The minimum and maximum concentrations of a combustible material, in a...

Read More...

A release of energy caused by the propagation of a chemical reaction in...

Read More...

A flame arrester used to prevent the transmission of a detonation.

A mechanical device inside of a detonation flame arrester whose purpose is...

Read More...

A process condition outside of established design limits, safe operating...

Read More...

Part of a Programmable Electronic System.

See Pretrip Alarm.

A troubleshooting aid for identifying hardware malfunctions in a system or a...

Read More...

Pages