Occupational Health and Safety Assessment Series - Provides standards to help a company control occupational health and safety hazards for staff.

A global standard created for occupational health and safety management by the International Organization for Standardization.

A global standard created for occupational health and safety management by the International Organisation for Standardisation.

Issued by the British Standards Institute in 1999, this is an assessment and certification scheme for occupational health and safety management systems.

Occupational Health and Safety Assessment Series Document No. 18001 is a publication similar to a standard. It sets out the criteria for certifying a management system on operating and work safety.