CCPS Process Safety Glossary

Download the CCPS Glossary App

iTunes | Google 

Property of vessels and equipment designed to withstand the expected...

Read More...

Property of vessels and equipment designed to withstand the expected...

Read More...

A release of energy that causes a pressure discontinuity or blast wave.

A chemical that causes a sudden, almost instantaneous release of pressure,...

Read More...

Formula proposed for vegetative canopies that is also valid for other types...

Read More...

An equipment item's operating time in hours.

Expressed in terms of a continuous variable, such as the time equipment is...

Read More...

The historical number of demands experienced by the equipment population....

The historical operating time of the equipment population.

in genetic engineering, the cells (host organism) into which a gene is...

Read More...

A WDT that is independent of the PES. An electronic internal timer which...

Read More...

Event caused by (1) a natural hazard-earthquake, flood, tornado, extreme...

Read More...

A term used in the Netherlands to refer to "risks to the surrounding area in...

Read More...

As used in this publication, a factor that is not an intrinsic property of a...

Read More...

A plot of cumulative frequency versus consequences (often expressed as...

Read More...

The physical location where a management system activity is performed. In...

Read More...

On-site Engineering section or group providing service to the local facility...

Describes an equipment fault which would inhibit or delay automatic shut-...

Read More...

A feature incorporated for automatically counteracting the effect of an...

Read More...

A circuit that has an output state which indicates that either a circuit...

Read More...

A system of remote control for preventing improper operation of the...

Read More...

An electrical system so designed that the failure of any component in the...

Read More...

The ability of a Process Control System to have its outputs assume a...

Read More...

An unacceptable difference between expected and observed performance.

The number of failure events that occur divided by the total elapsed...

Read More...

Manner in which failure occurs. A failure mode might be identified as loss...

Read More...

A hazard identification technique in which all known failure modes of...

Read More...

A variation of FMEA that includes an estimate of the potential severity of...

Read More...

The probability - a value from 0 to 1 - that a piece of equipment will fail...

Read More...

The number of failure events that occur divided by the total elapsed...

Read More...

The degree of function degradation of equipment usually noted through...

Read More...

A concept where a specific effort is made to disprove a speculated...

Read More...

The area beyond the influence of local structures and plume buoyancy effects...

Read More...

A unit of capacitance equal to Coulombs per volt. See Capacitance.

Grounded metal sheet or mesh enclosure that prevents external electric...

Read More...

A valve that closes a path of deflagration propagation in a pipe or duct in...

Read More...

Pages