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"

Who's responsible for COMAH regulations?

How do COMAH regulations work?

Operators: COMAH submissions

COMAH notifications

COMAH establishments in your area

You can now search online for public information about establishments in your area that are covered by the Control of Major Accident Hazards (COMAH) Regulations 2015.

COMAH establishments

COMAH 2015: Regulation guidance

Further guidance

Major accident examples

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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