Suggested HAZOP Worksheet Arrangement

For a typical What-If worksheet the columns are identified by the following titles and a description of their contents is given  

What If What-If questions scenarios that prompts process hazard analysis concerns. 

Hazard Characteristic, (physical or other) that has the potential for causing harm to people, property, the environment, or continued business operation. 

Consequences The effects of a deviation resulting from various cases. 

Safeguards Measures taken to prevent or mitigate the risks of accidents. 

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