The Dangerous Substances and Explosive
Atmospheres Regulations (DSEAR) require employers to assess all
potential risks to employees and others whose safety may be
affected by the use or presence of a dangerous substance at the
Two of the key requirements for complying with DSEAR are:
- carrying out a risk assessment that includes identifying
sources of flammable atmospheres and suitable control measures;
- performing Hazardous Area Classification calculations to
identify where flammable atmospheres may be present and where
ignition sources need to be controlled.
Get expert help with your DSEAR risk assessments
Our hazardous area classification specialists are highly
experienced in carrying out DSEAR assessments and have been closely
involved with the development of many of the key standards and
guidance on area classification.
This means we are perfectly placed to help you achieve DSEAR
compliance, and can provide expertise in three main areas:
- Training courses on area classification and DSEAR
- Quadvent 2 - a software tool
that makes it easy to accurately calculate flammable gas cloud
- Consultancy services to help you get DSEAR assessments and
hazardous area classifications right
To enquire about how we may help you with your
DSEAR-related risks, or for advice on any other aspects of risk
management and process safety, then please email us at Business.Enquiries@hse.gov.uk.
We provide training courses on
DSEAR - Gases and Liquids,
Hazardous Area Classification for Gases and Liquids and
DSEAR - Controlling Dust Explosion Risks including the use of
Quadvent 2, at our facility in Buxton, Derbyshire.
Bespoke training courses can also be held onsite at your own
For more information, please see our full course
listings, contact our Training & Conferences Unit on
Quadvent 2 is a quick and
easy-to-use software tool which reliably calculates Vz
for any situation in which the flammable gas cloud volume or
extent of the flammable cloud needs to be determined for a release
of pressurised gas.
It is sold as a downloadable installation package under either a
perpetual or annual-use licence.
Request a FREE demo of Quadvent 2 by
emailing email@example.com or