Important Notice: Limited Web Access Dec 16 to 18, 2016

AIChE will undertake a routine upgrade of our digital infrastructure over the weekend of December 16-18, 2016. During this period access to certain areas of the website will be limited. Additional information will be forthcoming shortly.

CCPS Process Safety Glossary

Download the CCPS Glossary App

iTunes | Google 

Multiple or continuous exposures occurring for approximately 10% of a...

Read More...

A company or individual performing work at a PSM-covered facility whose...

Read More...

surface on which a cell or organism grows or is attached such as the use of...

Read More...

A portion of a system.

Liquids at a temperature above their normal boiling point.

A chemical agent used in a deflagration suppressant system to extinguish the...

Read More...

An isolation system using a suppressant.

Layer of depth 50 to 100 m where the friction velocity u* can be assumed...

Read More...

The charge per unit area of solid surface expressed in Coulomb/square meter...

Read More...

Turbulent heat flux upward from the surface, measured by fast response...

Read More...

The resistance across a surface element having unit length and unit width,...

Read More...

A measure of the amount of mechanical mixing introduced by the surface...

Read More...

A wall-to-surface discharge observed on charged liquids during tanker...

Read More...

Meeting the needs of the present without compromising the ability of future...

Read More...

Pertaining to two or more processes that depend upon the occurrence of a...

Read More...

A collection of people, machines and methods organized to accomplish a set...

Read More...

The individual responsible for designing the complete computerized system....

The accumulated documents relating to a computerized system that are...

Read More...

A phase in the development of computerized systems in which the system is...

Read More...

The process of selecting optional parts of an operating system and of...

Read More...

Failure in one system that propagates to another.

See Reliability

Software written by the Device manufacturer which defines the operation of...

Read More...

A human error analysis method that requires breaking down a procedure or...

Read More...

Converting from one isomer into another in organic compounds that differ...

Read More...

The practice and science (study) of classification of things or concepts,...

Read More...

The precise address of a data cell as defined by the classification scheme...

Read More...

The process for communicating that appropriate technology is being applied...

Read More...

An equipment condition requiring further technical evaluation to determine...

Read More...

Information typically provided to a toller by their client delineating...

Read More...

A person who is formally appointed to be responsible for maintaining the...

Read More...

Risk criteria that represent aggressive goals, whether or not experience...

Read More...

The temperature at which the rate of heat generation of a reaction or...

Read More...

A term that describes an exothermic reaction involving a volatile reaction...

Read More...

A substance or agent to which exposure of a pregnant female can result in...

Read More...

A chemical that produces harmful effects on fetuses.

Pages