The preliminary hazard analysis (PHA) is a semi-quantitative risk analysis methods that is used to identify potential hazards and the corresponding top events (risks). The PHA sheet identifies as well the required measures and follow-up actions to control the hazard sources. The PHA should consider hazardous components, facilities, safety-related equipment, and environmental constraints.
Risk Analysis - Causes/Threats
Risk Analysis - Consequences
Risk Analysis - Likelihood
Risk Analysis - Severity
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