Skip to content
Search HSE.GOV.UK
Industries
Construction
Health and social care services
Pesticides
Domestic gas
Public services
Agriculture
Entertainment
Waste management and recycling
Motor vehicle repair
Offshore oil and gas
Industries A to Z
Topics
Basics for your business
RIDDOR
COSHH
Display screen equipment (DSE)
Asbestos
Work equipment and machinery
Stress and mental health
PAT testing (portable appliance testing)
Work at height
COMAH
Topics A to Z
About HSE
News
Sign up for free updates
Contact us
Consultations
Our mission and priorities
Careers
Products and services
Books and products
Training and events
Testing and monitoring
Research and consultancy
Home
Topics
COMAH
Open menu
COMAH
Background
Overview
- Background
Seveso III
COMAH Regulations 2015
Cost recovery in detail
The COMAH Competent Authority
Guidance
Competent authority guidance and key internal CA procedures
Notifications
Submitting public information
Establishments subject to COMAH 2015
Emergency plan testing during coronavirus
Resources
Safety alerts
Investigation reports
COMAH - Resources
Help us improve hse.gov.uk
Complete a short survey
Case studies
General reports
Notification forms and free leaflets
Control of Major Accident Hazards Regulations 2015 (COMAH) Performance Report 2016/17
Back to top
Is this page useful?
Yes
No
Report a problem with this page
2025-02-06