CCPS Process Safety Glossary

Download the CCPS Glossary App

iTunes | Google 

Scheduled proactive maintenance activities intended to (1) assess the...

Read More...

The degree of intrinsic susceptibility of a material to release energy...

Read More...

In the context of the EU Seveso Directive (Seveso 2), a technical unit...

Read More...

Emissions that are short in duration compared with the travel time (time for...

Read More...

A programming language Element that specifics an operation and the values or...

Read More...

A safety system composed of a separate and independent combination of...

Read More...

See "nonconductive".

A flange or spool piece inserted into an otherwise conductive pipe-hose...

Read More...

A dispersion model which averages (or integrates) the concentration in a...

Read More...

A course of action an adversary intends to follow. When assessing threats,...

Read More...

Processing of substances such that a chemical reaction is intended to take...

Read More...

A protective response which is initiated by an out-of-limit process...

Read More...

A system that detects out-of-limits or abnormal conditions or improper...

Read More...

An event that propagates or mitigates an initiating (basic) event during the...

Read More...

Materials from a process that are not yet completely finished product. They...

Read More...

The fraction of the time that a measured value is zero in a time series of...

Read More...

A Watch Dog Timer that is not independent of the Programmable Electonic...

Read More...

A transition layer rising downwind of a change of surface roughness, which...

Read More...

The various engineering and managerial means, both formal and informal,...

Read More...

A failure involving either the hardware or the software of the Process...

Read More...

A break in the normal flow of a system or program occurring in such a way...

Read More...

Questioning, both formally and informally, facility personnel or other...

Read More...

In relation to materials, a property of the material itself, regardless of...

Read More...

Equipment and wiring which is incapable of releasing sufficient electrical...

Read More...

In the air quality literature, the term inversion refers to a situation when...

Read More...

A type of inversion that occurs aloft, at an elevation of about 1000 m, and...

Read More...

During calm and clear nights, the inversion can be as much as 100 or 200 m...

Read More...

A persistent elevated inversion caused by subsiding air associated with a...

Read More...

Risk that is imposed on someone who does not directly benefit from the...

Read More...

In a corona discharge the inter-electrode space contains slow moving ions of...

Read More...

The dissociation of air into ions by means of electrical energy.

The response time of an Independent Protection Layer.

A substance which, by contact in sufficient concentration for a sufficient...

Read More...

Standards published by the International Organization for Standardization....

Read More...

Devices, Circuits are said to be isolated where there is not galvanic...

Read More...

A means of preventing certain stream properties (deflagration, mass flow,...

Read More...

Pages