The Dangerous Substances and Explosive Atmospheres Regulations 2002 (DSEAR)

What is DSEAR?

Dangerous substances can put peoples' safety at risk from fire and explosion. DSEAR puts duties on employers and the self-employed to protect people from risks to their safety from fires, explosions and similar events in the workplace, this includes members of the public who may be put at risk by work activity.

What does DSEAR require?

Employers must:

DSEAR may also be relevant to some nanomaterials. As a new technology, the risks of exposure associated with nanomaterials are not currently fully understood. Whilst knowledge gaps exist, HSE recommends a precautionary approach to risk management with control strategies aiming to reduce exposure as much as possible to substances that are hazardous to health.

Further information can be found on HSE's DSEAR website.