This page provides links to key pieces of environmental legislation relating to Control of Major Accident Hazards (COMAH). The websites hosting the legislation may list amendments separately.
If you are setting up an environmental management system (EMS) for your business, you can use this list to start compiling your legislation register. Your legal adviser or environmental consultant will be able to tell you if other environmental legislation applies to your specific business.
For more information about EMS, see our guide on environmental management systems - the basics.
- European Community Regulation on Classification, Labelling and Packaging of Substances and Mixtures (CLP Regulation) 1272/2008. Requires manufacturers, importers and users to follow United Nations criteria for classifying, labelling and packaging hazardous substances and mixtures. Download the CLP Regulation 2008 from the Eur-Lex website (PDF, 6.6MB).
- Chemicals (Hazard Information and Packaging for Supply) Regulations (Northern Ireland) SR 2002/301. Sets out rules on the classification, packaging, labelling and advertising of dangerous chemicals and preparations. Find the Chemicals (Hazard Information and Packaging for Supply) Regulations (Northern Ireland) 2002 on the Legislation.gov.uk website.
- Chemicals (Hazard Information and Packaging for Supply) (Amendment) Regulations (Northern Ireland) SR 2005/463. Amends 2002/301 to introduce a new approved supply list. Find Chemicals (Hazard Information and Packaging for Supply) (Amendment) Regulations (Northern Ireland) 2005 on the Legislation.gov.uk website.
- Control of Major Accident Hazards Regulations (Northern Ireland) SR 2000/93. Establishes procedures to prevent major accident hazards involving dangerous substances. Find the Control of Major Accident Hazards Regulations (Northern Ireland) 2000 on the Legislation.gov.uk website.
- Control of Major Accident Hazards (Amendment) Regulations (Northern Ireland) SR 2005/305. Amends 2000/93 with minor changes. Find the Control of Major Accident Hazards Regulations (Amendment) (Northern Ireland) 2005 on the Legislation.gov.uk website.
- Planning (Control of Major-Accident Hazards) Regulations (Northern Ireland) SR 2000/101. Sets out measures to control major accident hazards involving dangerous substances. Find the Planning (Control of Major Accident Hazards) Regulations (Northern Ireland) 2000 on the Legislation.gov.uk website.
- Planning (Control of Major-Accident Hazards) Regulations (Northern Ireland) SR 2009/399. Increases the range of dangerous substances for which consent must be obtained for storage or processing and puts tighter controls on the amounts allowed before consent must be obtained. Find the Planning (Control of Major Accident Hazards) Regulations (Northern Ireland) 2009 on the Legislation.gov.uk website.
- Planning (Hazardous Substances) (Amendment) Regulations (Northern Ireland) SR 2010/329. Corrects an error which was introduced by the Planning (Control of Major Accident Hazards) Regulations (Northern Ireland) SR 2009/399. Provides transitional provisions for operators affected. Find the Planning (Hazardous Substances) (Amendment) (Northern Ireland) Regulations on the Legislation.gov.uk website.
You will also need to know about and comply with legislation on storing chemicals - see the page on chemical storage environmental legislation in our guide on chemical storage.
Find guidance about future environmental legislation on the NetRegs website.