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Dangerous Substances and Explosive Atmospheres Regulations


The IOR Technical Committee have published in November 2009 an Introduction to Dangerous Substances and Explosive Atmospheres Regulations (DSEAR) - Guidance Note 19.

DSEAR applies to workplaces where dangerous substances are present, used, or produced.  The types of activities covered by DSEAR include anything that involves the exposure of people to flammable substances in the workplace. This includes a wide variety of industries but is also applicable to hydrocarbon, ammonia refrigerating system design, installation, and maintenance or service activity including ownership including the use of acetylene for welding.

The Dangerous Substances and Explosive Atmospheres Regulations 2002 implement in the UK the requirements of the European Directive on Minimum Requirements for Improving the Safety and Health Protection of Workers Potentially at Risk from Explosive Atmospheres (commonly referred to as "ATEX workplace".) It is noted that DSEAR also includes requirements from European Directive on the Protection of the Health and Safety of Workers from the Risks Related to Chemical Agents at Work (or "CAD").

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