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DSEAR: Controlling Dust Explosion Risks

HSE runs three courses to help employers comply with the Dangerous Substances and Explosive Atmospheres Regulations (DSEAR).

  • DSEAR: Gases and Liquids
  • DSEAR: Hazardous Area Classification for Gases and Liquids
  • DSEAR: Controlling Dust Explosion Risks

While there is some overlap between the courses delegates can attend or more courses depending on which area of DSEAR they are interested in.


DSEAR regulates the presence and use of flammable substances in the workplace. The list of potential dangerous substances include flammable solids in the form of a finely divided dust which, if dispersed in the air, could lead to a serious fire or an explosion.

Flammable dusts pose their own unique risks that differ from those posed by flammable gases and liquids. This course provides advice on how to understand the hazards from flammable dusts and how the risks from storing and using the dusts can be managed in order to comply with DSEAR.

Gases and liquids are covered by HSE's other DSEAR courses.

Learning outcomes

Delegates will be provided with information that will help them to:

  • Know their legal duties under DSEAR
  • Know how to identify and understand dust hazards
  • Understand how to assess and reduce risks
  • Be able to act as an intelligent customer when commissioning DSEAR assessments
  • Be able to identify the different zoned areas

What the course will cover

Delegates will be given a brief overview of the regulations to help them understand their legal duties under DSEAR. The course will help them identify and understand hazards posed by dusts, as well as how to assess and control the risks and how to understand their risk profile. Delegates will also be introduced to hazardous area classification and learn what equipment to use in different zoned areas. There will be a practical demonstration of a dust explosion as well as a look at some previous incidents to show delegates what could happen when things go wrong.

Who should attend?

This course is aimed at managers and supervisors of process plant and operations where dangerous substances are used or stored, or safety specialists who need to understand how to manage the risks from dangerous substances within the framework of the DSEAR duties.  This course is intended to allow them to act as an intelligent customer when commissioning work related to DSEAR.


The course will be run at the HSE Science and Research Centre in the spa town of Buxton.

Buxton is in the heart of the Peak District and has good links to major roads and motorways, mainline train stations and Manchester International Airport.

Details of hotels in the Buxton area can be found at


£690 per person (includes course notes, certificate of attendance and lunch/refreshments).

Please note that all courses must be paid for via credit card at the time of booking.

Some of our training courses can also be delivered in-company, please contact us to discuss your requirements.

Telephone: +44 (0)203 028 3704

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