CCPS Process Safety Glossary

Download the CCPS Glossary App

iTunes | Google 

The time a chemical compound or mixture may be held under isothermal...

Read More...

The complex of data (thermodynamic and kinetic), that determine a reaction...

The constant k in the rate of reaction. The reaction rate constant is the...

Read More...

A substance that can pose a chemical reactivity hazard by readily oxidizing...

Read More...

Categories of chemicals that react in similar ways, often because they are...

Read More...

Substance or material which enters into a chemical reaction with other...

Read More...

The relative tendency of a substance to undergo chemical reaction (low,...

Read More...

See chemical reactivity.

Memory that allows the user to read from but not to write into.

A work activity that occurs prior to initial start-up or restarting a...

Read More...

Disproportionation, isomerization or tautomerization.

An instrument, person, or hypothetical location where the pollutant...

Read More...

A volume downwind of an obstacle where the flow recirculates.

"Recognized and generally accepted good engineering practice", a term...

Read More...

A suggested course of action intended to prevent the occurrence (or...

Read More...

Feedback factors that limit or prevent the undesirable consequences of a...

Read More...

To conduct a new PHA.

The maximum pressure developed in a vented enclosure during a vented...

Read More...

In a reduction reaction (which always occurs simultaneously with an...

Read More...

The employment of several devices, each performing the same function, in...

Read More...

A parallel path in a system structure to improve the system safety or...

Read More...

Impulse or pressure experienced by an object facing a blast.

A system condition in which a component in the reaction system (usually a...

Read More...

A gas that is maintained as liquid at temperatures at or below ambient...

Read More...

The deposited dose (per unit surface area, mg/cm2) of particles calculated...

Read More...

A storage device having a specified storage capacity such as bit a byte or a...

Read More...

A system developed by the National Institute for Occupational Safety and...

Read More...

Audit criteria derived from good, successful, common, or best practices in...

Read More...

A comparison and ranking of various risk estimates to prioritize risk...

Read More...

Time constant equal to the time in seconds for charge to decay by Ohm's Law...

Read More...

Synonymous with Ladder Diagram.

The probability that an item is able to perform a required function under...

Read More...

The determination of reliability of a process, system, or equipment.

The collection of mathematically defined properties (e.g., Reliability,...

Read More...

A systematic analysis approach for evaluating equipment failure impacts on...

Read More...

An estimate, based on inspection results, of the time it will take for an...

Read More...

Pages