Control of Major Accident Hazards Regulations 2015

The Control of Major Accident Hazards Regulations 2015 (COMAH) aim to prevent major accidents involving dangerous substances and limit the consequences to people and the environment. They apply to establishments where dangerous substances are present, or could be present, in quantities equal to or exceeding specified thresholds. COMAH distinguishes between lower-tier and upper-tier establishments, with upper-tier establishments subject to more stringent requirements. The regulations place duties on operators to identify major accident hazards, take all measures necessary to prevent major accidents and limit their consequences, and provide information to the public. Regarding signage, COMAH requires clear and visible warning signs to alert employees, contractors, and the public to the presence of major hazards and the actions to take in an emergency. This includes signs indicating the nature of the hazard (e.g., flammable, toxic), emergency escape routes, assembly points, and contact information for emergency services. The regulations emphasize the importance of ensuring that signage is easily understood, maintained, and regularly reviewed to reflect any changes in the hazards present at the establishment. Failure to comply with these signage requirements can lead to enforcement action by the Health and Safety Executive (HSE).