CCPS Process Safety Glossary

Data recorded from actual past experience.

Actions by designers, operators, or managers that may contribute to or...

Read More...

Data collected and recorded from past incidents.

A rapid, self-sustaining, sometimes audible gasphase reaction of the sample...

Read More...

Hybrid Plume Dispersion Model

A graphical representation of sequential events in which the tree limbs...

Read More...

High toxic hazard material.

Any human action (or lack thereof) that exceed some limit of acceptability (...

Read More...

The ratio between the number of human errors and the number of opportunities...

Read More...

A discipline concerned with designing machines, operations, and work...

Read More...

A discipline concerned with designing machines, operations, and work...

Read More...

A method used to evaluate whether system-required human-actions, tasks, or...

Read More...

A method by which the probability of a person successfully performing a task...

Read More...

A mixture of a flammable gas with either a combustible dust or combustible...

Read More...

A mixture of a combustible gas with either a combustible dust or combustible...

Read More...

The incorporation of molecular water into a complex molecule with the...

Read More...

An equivalent diameter for noncircular apertures which is equal to 4×...

Read More...

A flame arrester consisting of a vessel filled with a seal fluid (often...

Read More...

Hypergolic behavior is characterized by immediate, spontaneous ignition of...

Read More...

Acronym for Institute of Electrical and Electronics Engineers.

A flammable gas, mist, or dust mixture or any combination of these that can...

Read More...

Self-sustained flame propagation caused by a static discharge in a flammable...

Read More...

Energy in Joules stored in a capacitor which upon discharge is just...

Read More...

“Easily ignitable” gases or dusts meeting the following criteria: a gas...

Read More...

The number of ignition sources per unit area (of plant).

A portion of memory where I/O status (the image) is maintained.

Maximum airborne contaminant concentrations from which one could escape with...

Read More...

The ultimate potential result of a hazardous event, expressed, depending on...

Read More...

The ultimate potential result of a hazardous event. Impact may be expressed...

Read More...

Frequency-dependent counterpart of resistance in AC circuits, comprising...

Read More...

A phase in the development of computerized systems in which hardware and...

Read More...

The contribution from a subsystem or a component to the complete system.

The area under the overpressure-time curve for explosions. The area can be...

Read More...

A flame arrester which is fitted with two pipe connections, one on each side...

Read More...

Ability of an energy source, such as a static discharge, to cause ignition...

Read More...

Data in two or more data sets which is derived from a common orgin and may...

Read More...

Pages