Provides a general Approved Code of Practice and guidance on the whole of the Dangerous Substances and Explosive Atmospheres Regulations 2002 (DSEAR), and is part of a series of publications including five other specialist Approved Codes of Practice which give guidance on specific provisions of the regulations. DSEAR set minimum requirements for the protection of workers from fire and explosion risks related to dangerous substances and potentially explosive atmospheres. The key requirements in DSEAR are that risks from dangerous substances are assessed and eliminated or reduced. The regulations revokes, repeals or modifies a large amount of old legislation relating to flammable substances and dusts. (HSE Website)