1. Preparation: Define the scope of the audit, assemble an audit team, and gather relevant documents. 2. Inspection: Physically inspect the catalytic process, equipment, and facility. 3. Interviews: Speak with personnel to understand their knowledge and practices. 4. Review: Analyze documents such as safety data sheets, incident reports, and maintenance records. 5. Reporting: Document findings, identify areas for improvement, and recommend corrective actions. 6. Follow-up: Ensure that recommended actions are implemented and evaluate their effectiveness.