The assignment provided is an in-depth examination of occupational health and safety (OHS) management systems. It includes a review of various risk assessment methodologies, such as the Hazard and Operability Study (HAZOP), Failure Mode and Effects Analysis (FMEA), and Quantitative Risk Assessment (QRA). Additionally, it discusses auditing techniques, including social auditing, and the importance of worker influence on voluntary OHS management systems. The document also presents case studies, such as a risk report from Woolworths in 2017, to illustrate the application of these concepts in practice.