• The directive aims to improve the health and safety of workers at risk from explosions of flammable substances mixed with air, such as fuels, solvents and powder.

  • It applies to employers and self-employed persons with workplaces potentially containing explosive atmospheres.

  • It describes the employers’ obligations, including the duty to minimize explosion risks and perform an explosion risk assessment.

  • The 99/92/EC and the (2014/34/EU) ATEX Directives are linked:
  1. The 99/92/EC Directive explains how to select the right Group and Category of equipment for different explosive atmospheres;

  2. The ATEX 2014/34/EU details the requirements and certification procedures for new equipment of different categories.

  • In the UK, Directive 99/92/EC is implemented by DSEAR. 

  • 99/92/EC does not require the use of the CE marking, but the areas where an explosive atmosphere might be present have to be identified with the following warning sign:

warning signs danger explosive atmosphere symbol 4481 copy

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