September 2024 | AIChE

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September 2024

Quality Assurance (QA)

Activities performed to ensure that equipment is designed appropriately and to ensure that the design intent is not compromised, providing confidence throughout that a product or service will continually fulfill a defined need through the equipment's entire life cycle.

Quality Assurance (QA)

Activities performed to ensure that equipment is designed appropriately and to ensure that the design intent is not compromised, providing confidence throughout that a product or service will continually fulfill a defined need the equipment's entire life cycle.

Quality Assurance

A planned, systematic pattern of actions necessary to provide suitable confidence that a system or component will perform satisfactory in actual operation. A systematic pattern of actions throughout design and production, to ensure confidence in a product's conformance with specifications. A set of...

Qualitative Risk Analysis

Based primarily on description and comparison using historical experience and engineering judgment, with little quantification of the hazards, consequences, likelihood, or level of risk.

Qualitative Methods

Refers to the method of evaluation gained through experience (e.g., application, operation, support) or essential, required and desirable features.

Qualitative

Based primarily on description and comparison using historical experience and engineering judgment, with little quantification of the hazards, consequences, likelihood, or level of risk.

Purging

The removal of oxygen from a closed system (equipment and piping) to below the LOC of the particulate solid by means of applying pressure, vacuum, and/or a purge gas.

Purge Gas

A gas that is continuously or intermittently added to a system to render the atmosphere noncombustible. The purge gas can be inert or combustible.

Puff Release

See Instantaneous Release.

Puff

A cloud of pollutants resulting from a nearly instantaneous or short duration release.

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