Hazard and Operability (HAZOP) Studies: Systematic identification and evaluation of potential hazards and operational problems through structured team reviews. Layer of Protection Analysis (LOPA): Quantification of risk to determine the integrity level required for independent protection layers, including Safety Instrumented Systems (SIS). Quantitative Risk Assessment (QRA): Comprehensive analysis to estimate the risks to personnel, assets, and the environment, facilitating risk mitigation strategies. Compliance Audits: Verification of adherence to international standards and regulations (e.g., OSHA, EPA, ISO 31000) through a meticulous review of procedures and operational protocols.