What are OHSAS 18001 and OHSAS 18002?
OHSAS 18001 is an assessment specification for Occupational Health and Safety Management Systems. It was developed in response to the need for companies to meet their health and safety obligations in an efficient manner
To compliment OHSAS 18001, BSI published OHSAS 18002, which explains the requirements of the specification and shows you how to work toward implementation and registration.
OHSAS 18001 stands for Occupational Health and Safety Assessment Series and is an internationally accepted management system on occupational health and safety. It is based on the ISO management systems methodology and provides a system to improve the health and safety situation in companies. This is done by identifying health and safety risks and hazards, eliminate or control them and demonstrate improvement.

ISO 9001