Who Is Responsible For Conducting a DSEAR Risk Assessment

​In Northern Ireland, employers and duty holders are legally responsible for conducting DSEAR risk assessments to manage risks from dangerous substances that could cause fire, explosion, or other hazards. The assessment must be carried out by a competent person with the necessary knowledge and experience, whether an internal staff member or an external specialist. Compliance is enforced by the Health and Safety Executive for Northern Ireland (HSENI), with local councils overseeing certain industries. Ensuring a proper DSEAR assessment not only meets legal requirements but also protects people, property, and business operations.

A DSEAR Risk Assessment Includes:

• ​Identification of dangerous substances – e.g. flammable gases, vapours, dusts, or liquids.
• Description of work activities involving those substances (how, where, and by whom they’re used or stored).
• Evaluation of fire, explosion, or similar hazards — ignition sources, quantities, concentrations, temperature, and ventilation.
• Zoning of explosive atmospheres (defining hazardous areas and their classification).
• Control measures — elimination, substitution, engineering controls, ventilation, storage, and procedural controls.
• Protective measures — equipment suitability (ATEX-rated), maintenance regimes, and emergency procedures.
• Record of findings and action plan — including review intervals and responsibilities.
• Training provided to workers as additional option

Why Is It Important To Have This Assessment Undertaken

DSEAR risk assessments are required in workplaces where dangerous substances are used, stored, or produced, posing risks of fire, explosion, or harmful exposure. Common businesses that require these assessments include:
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• Manufacturing & Engineering – Factories using flammable liquids, gases, or dust-producing processes.
• Construction & Fabrication – Workplaces using solvents, paints, adhesives, or cutting and welding operations.
• Petrochemical & Fuel Storage – Sites handling petrol, diesel, or other flammable fuels.
• Food & Drink Production – Facilities producing flour, sugar, or other combustible dusts, as well as breweries and distilleries.
• Waste Management & Recycling – Sites dealing with flammable waste, chemicals, or biogas production.
• Pharmaceutical & Chemical Processing – Laboratories and production facilities handling volatile substances.
• Agriculture & Horticulture – Grain storage, fertiliser handling, and anaerobic digestion operations.
• Workshops & Garages – Vehicle repair centres using fuels, solvents, and spray paints.

If a business handles flammable liquids, gases, dusts, or explosive atmospheres, a DSEAR risk assessment is a legal requirement to ensure workplace safety and compliance.

How Can Donnelly Safety Services Help

At Donnelly Safety Services, we provide expert DSEAR risk assessments to help businesses identify, assess, and control hazards from dangerous substances. Our experienced consultants ensure full compliance with HSENI regulations, reducing the risk of fire, explosion, and harmful exposure. We offer tailored solutions, from workplace inspections and risk evaluations to practical safety measures and staff training. Whether you need a new assessment or a review of existing controls, our team delivers clear, actionable advice to keep your business safe, legal, and operating smoothly.

We Also Offer DSEAR Awareness Training

DSEAR Awareness Training provides employees and managers with the knowledge to identify, assess, and control risks associated with dangerous substances in the workplace. A typical course would cover:

Mention you would like to add on DSEAR training in your  quote request or go to our dedicated page here DSEAR Awareness Training

How to Get in Touch for a Quote

Email, Call or Fill it the Quote Form and we will get back to you on the same day

​Donnelly Safety Services Ltd
02890 992494 ​
[email protected]