Industrial Technical Knowledge Library
Metrology & QualityAdvanced

Process Validation: IQ, OQ and PQ Concepts

Understand the role of installation, operational and performance qualification in demonstrating that equipment and processes are installed, challenged and capable under defined conditions.

Work context

Regulated manufacturing and process qualification

This page shows technical knowledge coverage. Course, assessment and credential availability depends on the applicable Industrial Skillset program.

Relevant roles

Quality engineers · Validation engineers · Manufacturing engineers · Medical-device professionals

Prerequisites

Quality systems · Process fundamentals

Knowledge level

Advanced coverage with practical workplace context.

Learning outcomes

What this topic is intended to help you understand

  • Differentiate IQ, OQ and PQ purposes.
  • Explain protocol, acceptance criteria and objective evidence.
  • Recognize change-control and revalidation triggers.

Technical scope

Equipment, processes and terminology

  • IQ
  • OQ
  • PQ
  • Protocols
  • Acceptance criteria
  • Challenge conditions
  • Sampling
  • Deviations
  • Change control
  • Revalidation

Workplace practice

How the subject connects to industrial work

  • Review protocol intent
  • Verify prerequisites
  • Record objective evidence
  • Document deviations

Quality and safety

Controls that protect people, product and process

  • Data integrity
  • Approved protocols
  • Controlled changes
  • Traceability

Technical learning supports understanding. Actual work remains governed by site procedures, machine-specific instructions, engineering requirements, supervision and authorization.

Industrial documents

Documents commonly connected to this subject

  • Validation master plan concepts
  • IQ/OQ/PQ protocol
  • Report
  • Deviation record