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Dangerous Substances and Explosive Atmospheres Regulations (DSEAR)

Graham Marshall - Tuesday, April 03, 2012

The Dangerous Substances and Explosive Atmospheres Regulations (DSEAR) came into force on 9 December 2002 and implement the Explosive Atmospheres (ATEX 137) Directive and safety requirements of the Chemical Agents Directive (CAD).

DSEAR are concerned with preventing or limiting the harmful effects of fires, explosions and similar energy-releasing events.

The DSEA Regulations are goal-setting regulations and they replaced much specific legislation on flammable and explosive substances.

They are supported by a set of Approved Code of Practice and Guidance (ACoPs) reflecting good practices in controlling risk associated with management of hazardous substances.

The DSEA Regulations apply whenever the following conditions have been satisfied:

•   There is work being carried out by an employer or self-employed person;

•   A dangerous substance is present or is liable to be present at the workplace;

•   Tthe dangerous substance presents a risk to the safety of persons (as opposed to a risk to health).

The main requirements of these Regulations are that employers and the self employed must:

•   Carry out a risk assessment of any work activities involving dangerous substances;

•   Provide technical and organisational measures to eliminate or reduce the identified risks as to ALARP;

•   Provide equipment and procedures to deal with accidents and emergencies; and

•   Provide information and training to employees.

Enclosed here is a document providing advice to inspectors on the interpretation and enforcement of the Dangerous Substances and Explosive Atmospheres Regulations.

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