The main objective in process safety management is for operating companies with hazardous processes to periodically evaluate risks in their process and the safeguards associated with mitigating those risks. The risk reduction analysis can be broken down into three key areas: identifying hazards (HAZOP), evaluating independent safety layers (IPL's), and determining if residual risk is at or below the acceptable risk. If the residual risk is above the acceptable risk, then the process could be redesigned or a safety instrumented system could be installed.
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