DSEAR
The GB regulatory regime for controlling risks from dangerous substances that could cause fire, explosion or similar energy-releasing events. DSEAR requires risk assessment and applies a hierarchy of controls.
Also known as
By jurisdiction
UK HSE
DSEARExact equivalentThe Dangerous Substances and Explosive Atmospheres Regulations 2002 (SI 2002/2776) implement the ATEX Workplace Directive (1999/92/EC) in Great Britain. DSEAR requires employers to carry out a risk assessment, classify places where explosive atmospheres may occur (zoning), apply measures to eliminate or control risks, and prepare emergency plans where necessary. DSEAR covers flammable liquids and gases, combustible dusts, spontaneously combusting substances, and substances that react violently with water.
Irish HSA
No equivalentNo equivalent in this jurisdiction.
US OSHA
No equivalentNo equivalent in this jurisdiction.
Note: DSEAR is a GB instrument implementing the ATEX Workplace Directive. The Irish equivalent is implemented through separate regulations. The OSHA PSM and Process Safety management standards address some of the same risks.
Practitioner note: GB instrument implementing the ATEX Workplace Directive. Irish equivalent: Safety, Health and Welfare at Work (Explosive Atmospheres) Regulations 2003. OSHA addresses flammable atmospheres via 29 CFR 1910.119 (PSM) and 1910.106 (flammable liquids).