Difference between Task Risk Assessment and Job Safety Analysis

A risk assessment involves the initial likelihood and severity of the hazard and use matrix 
Risk Assessment could take a more detailed approach. It could be quantitative or qualitative. Quantitative Risk Assessment could be embarked upon where ALARP demonstration is seriously required.

JSA is a careful study for each step in a job, identifying the safety and health hazards at each step individually and classifying the the severity and probability (H,M,L) for each hazard , identifying appropriate controls to eliminate or reduce each hazard.

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