What are the stages of equipment qualification and what do IQ/OQ/PQ mean?

• A. IQ tests performance under simulated real-world conditions.
• B. OQ ensures installation.
• C. PQ tests installation.
• D. Documentation is required for IQ, OQ, and PQ.

Answer: (D)

Equipment qualification is a three-stage, documented process: Installation Qualification, Operational Qualification, and Performance Qualification. Each stage requires formal records to prove that the equipment is appropriately set up, functions correctly, and performs reliably in real use.

Installation Qualification confirms that the equipment has been received, installed according to the manufacturer’s specifications, placed in the correct location, and connected with proper utilities and environmental conditions. The evidence is provided through installation checklists, commissioning reports, and related documentation.

Operational Qualification verifies that the equipment operates within defined parameters, including controls, software, alarms, safety features, interlocks, and routine operating procedures. Documentation includes an OQ protocol, test results, acceptance criteria, and calibration certificates.

Performance Qualification demonstrates that the equipment consistently delivers intended results under real production conditions, meeting user requirements over time. The records involve a PQ protocol, production or test runs, performance data, and final approval.

Because every stage relies on written records to show installation, operation, and performance meet GMP standards, documentation for all three stages is essential. The other options misstate the focus of each stage—IQ is not about performance testing, OQ is not merely installation, and PQ is not about installation.