PQ Execution in Pharma: Strategy, Sampling & Acceptance Criteria Performance Qualification (PQ) in Pharma: How to Validate Equipment Under Real Conditions Performance Qualification (PQ) is the final stage in the equipment qualification lifecycle following Installation Qualification (IQ) and Operational Qualification (OQ). PQ confirms that equipment consistently performs as intended under actual process conditions using approved materials, SOPs, and personnel. It is a critical step in ensuring GMP compliance, product quality, and regulatory confidence. This step-by-step guide explains how to effectively execute PQ, build robust protocols, define sampling plans, and establish acceptance criteria aligned with FDA, EMA, and WHO expectations. What…