What are some common methods used for Process Hazard Analysis (PHA)?

The selection of HAZOP, FMEA, and What-If Analysis as common methods used for Process Hazard Analysis (PHA) is accurate because these methodologies are widely recognized and utilized in the industry to identify potential hazards and assess risks associated with process operations.

HAZOP, or Hazard and Operability Study, is particularly effective in examining process systems and identifying deviations from normal operating conditions. This structured approach allows teams to systematically evaluate each part of a process, considering various scenarios that could lead to unsafe situations.

Failure Mode and Effects Analysis (FMEA) is another crucial analytical technique that focuses on identifying potential failure modes in a system and evaluating their consequences. This method helps prioritize issues based on their severity and likelihood, allowing organizations to address the most critical risks first.

What-If Analysis is a more informal yet valuable technique that encourages brainstorming and open discussion among team members to explore potential hazards and challenges. This approach can generate ideas about possible accidents or failures that may not be evident through more structured methods.

In contrast, other options include methods that, while relevant to safety and risk management, may not be classified specifically as PHA methods. For example, SWIFT and Bowtie are more specialized approaches and may not be as universally applied as the methods in the