DSEAR Training

£25 +VAT

The Dangerous Substances and Explosive Atmospheres Regulations 2002 (DSEAR) require employers to control the risks to people's safety from fire and explosions. Risks can be caused by either using dangerous substances at work or producing dusts, vapours or gases during work.

This DSEAR training course provides you with a full introduction to the requirements of the regulations and will ensure you understand the risks from dangerous substances and explosive atmospheres, know how to carry out a risk assessment, and can implement suitable workplace control measures.

This course has been updated and is legally accurate in line with any guidance changes that have resulted from Brexit legislation - including any revisions to deadlines.

  • Written in compliance with the Dangerous Substances and Explosive Atmospheres Regulations 2002 (DSEAR)
  • Developed by health and safety professionals
  • Accredited by CPD and Assured by RoSPA
  • Online training course and assessment with no time limits
  • Full audio voiceover
  • Approximate duration: 2 hours
  • On completion, certificate is posted next working day
  • Downloadable PDF certificate available on completion

Who should take this course?

DSEAR applies to all workplaces and premises where dangerous substances are present, used or produced. This includes places such as industrial premises and workshops, commercial premises, land-based and offshore installations, mines, quarries, construction sites, vehicles and vessels. It also includes the common parts of shared buildings, private roads, paths on industrial estates, roadworks on public roads and domestic houses are also premises if there are people at work there.


CPD Approved
RoSPA Approved

All of our courses are accredited by the CPD Certification Service as conforming to universally accepted Continuing Professional Development (CPD) guidelines.

This course is also assured by the Royal Society for the Prevention of Accidents through their RoSPA Qualifications Assurance System, as providing up-to-date, quality and content-approved training.

On successful completion of the course you will be sent a quality assured certificate through the post the next working day. This can be used to provide evidence for compliance and audit. 

This certificate does not have an expiry date. However, based on industry best practice guidelines, the recommended renewal period for this training is 1 year. We will print this recommended renewal date on your certificate.

Screenshots (click to view)

If you wish to try this course then register for a demo by clicking the 'interactive demo' button. You will be given the option to purchase and continue with your course at the end of your demo!

Interactive Demo

Course content

1Introduction to DSEAR

What are dangerous substances?, what are explosive atmospheres?, what are the risks from dangerous substances?, what is DSEAR?, what does DSEAR apply to?, activities covered by DSEAR, the Regulatory Reform (Fire Safety) Order 2005, and the Petroleum (Consolidation) Regulations 2014.

2Legal Requirements of DSEAR

Where does DSEAR apply?, who has duties under DSEAR?, risk assessment, elimination, reduction or mitigation of risks, general safety measures, explosive atmospheres, classification of hazardous zones, equipment and protective systems in hazardous zones, work clothing and personal protective equipment, accidents, incidents and emergencies, information, instruction and training, identification of hazardous contents of containers and pipes, the storage and use of petrol in containers, and duty of co-ordination.

3Risk Assessment

What is a risk assessment?, key definitions, who should carry out a risk assessment?, identifying hazards, examples of dangerous substances, deciding who might be harmed and how, evaluating existing control measures, specific control measures required by DSEAR, emergency arrangements, recording findings, and reviewing and updating the risk assessment.

4Controlling the Risks: Part 1

General fire safety, emergency arrangements, safe storage, transport, handling and use of flammable liquids, causes of fires from dangerous substances, safe storage, transport, handling and use of flammable gases, hazardous substances on vehicles - case study, safe handling and use of gas cylinders, the safe storage and use of petrol in MVR workshops, safe use of petrol in MVR workshops, fuel gases for welding and cutting, and flashback in gas welding and cutting arrestors.

5Controlling the Risks: Part 2

Hot work on tanks and drums, paint spraying booths and rooms, flammable dusts, oxygen, emergency procedures, hazard labelling and packaging, safety data sheets, and information, instruction and training.

 Download Course Overview (PDF)

Aims of the course

By the end of this course, you will understand:

  • The duties of employers under DSEAR and fire safety regulations.
  • The substances and work activities that are covered by DSEAR.
  • What is meant by a dangerous substance under DSEAR.
  • What is meant by an explosive atmosphere under DSEAR.
  • How fires and explosions at work occur and the consequences of these events.
  • The risk assessment process and how to carry one out in relation to dangerous substances.
  • The key controls for the safe transport, handling, storage, and use of the most commonly used dangerous substances and work activities involving dangerous substances.


The online assessment is taken on completion of the training material. You will be asked 20 multiple choice questions with a pass mark of 85%. The answers are marked automatically so you will instantly know whether you have passed. If you don't pass don't worry! You can take the test as many times as you need with no extra charge.