Compliance with the Control of Major Accident Hazard (COMAH) Regulations COMAH Regulations On account of the quantities of Liquefied Petroleum Gas (LPG) we store at our operational depots, certain Calor sites are subject to the Control of Major Accident Hazard (COMAH) legislation and each site’s status is determined by the storage capacity of the site. The COMAH regulations were transposed into law in our areas of operation as set out below; Operational Area: Republic of Ireland. Legislative Instrument: Chemicals Act (Control of Major Accident Hazards involving Dangerous Substances) Regulations 2015 (S.I. 209 of 2015) Operational Area: Northern Ireland. Legislative Instrument: The Control of Major Accident Hazards Regulations (Northern Ireland) 2015 (No 325 of 2015)