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Control of Major Accident Hazards (COMAH)

The Control of Major Accident Hazards (COMAH) Regulations ensuring that businesses:

"Take all necessary measures to prevent major accidents involving dangerous substances

Limit the consequences to people and the environment of any major accidents which do occur"

How do COMAH regulations work?

Major accident examples

Chevron Pembroke refinery (02/06/2011) - Investigation findings and safety management lessons for industry

More major accidents

Hazardous substances consent application

An online ‘wizard’ to guide applicants through the required major-hazard information is available.

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2020-04-02