Dangerous Substances and Explosive Atmospheres Assessment Form (DSEAR) 2017 V2.0
Assessment completed by:
Is a current SDS available for
the product:
Product name/s:
Building and room/location of
use:
How often will the products be
used?
What will the product be used
for?
Date:
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Chemicals components:
Approximate quantity to be used:
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How long will they be used for?
List groups of people who could Staff, Student, Visitor, Public, Contractor,
be affected:
Other – please state
What is the nature of the hazard?
What is the classification of the hazard?
How many people could be affected?
Hazard Statements:
Physical Hazards H200-H290 &
EUH hazards:
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Fire and explosion risk? This will be identified
by the Hazard Statements H200 - H272 and
EUH Statements EUH001 – EUH044
Zone Type:
Gases/Mists/Vapour
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Dusts
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Notes:
1. Layers, deposits and heaps of combustible dust must be considered as any other source which can form an explosive atmosphere.
2. "Normal operation" means the situation when installations are used within their design parameters.
Is there a safer alternative product that could be used instead?
If you are not choosing the safer alternative – please state why:
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State in minutes or hours per
day/week, etc.
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Dangerous Substances and Explosive Atmospheres Assessment Form (DSEAR) 2017 V2.0
When choosing your risk controls, consider:
1. Can you eliminate the use of the dangerous substance and use a safer one
2. Change the process or working methods to avoid release of dangerous substance or creation of explosive atmosphere
3. Enclose the process so that the product does not escape or extract the emissions at source
4. Use specially designed storage away from ignition sources to reduce the change of a fire or explosion occurring
5. Choose the appropriate category or equipment to reduce the changes or a spark or ignition source being present
Risk Controls
No
How could activity result in dangerous substance
release/explosive atmosphere
Risk controls required to prevent release of substance/explosive
atmosphere
1
2
3
4
If equipment is to be used in the hazard zone, please select
corresponding equipment category to be used/installed:
Who will be responsible for implementing risk controls:
Annual review (date of):
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Risk Rating
Dangerous Substances and Explosive Atmospheres Assessment Form (DSEAR) 2017 V2.0
Increasing Consequence
Risk Rating:
5
10
15
20
25
4
8
12
16
20
3
6
9
12
15
2
4
6
8
10
1
2
3
4
5
Increasing Likelihood
17-25 Unacceptable – Stop
activity and make immediate
improvements/seek further
advice
10-16 Tolerable – look to
improve within specified
timescale
Consequences
Likelihood
1 Insignificant – no impact
1 Very unlikely – 1 in a million
chance of it happening
5-9 Adequate – Look to improve
at next review
2 Minor – minor interruption to
activity/process
3 Moderate – some damage to
property/business interruption
4 Major – significant internal
damage to property
2 Unlikely – 1 in 100,000 chance
of it happening
3 Fairly likely – 1 in 10,000
chance of it happening
4 Likely – 1 in 1,000 chance of it
happening
1-4 Acceptable - No further
action, but ensure controls are
maintained
5 Catastrophic –major disaster e.g.
loss of life/loss of a building/impact
on surrounding areas
5 Very likely – 1 in 100 chance of
it happening