Cross References:BS 779BS 855BS 1212-1BS 1212-2 BS 1212-3BS 2790BS 5440-2:2009BS 5854:1980BS 5978BS 7671BS EN 297BS EN 303-1BS EN 303-3BS EN 483BS EN 656:2000 BS EN 676BS EN 677BS EN 1443:1999BS EN 1856-1BS EN 1856-2BS EN 1993-3-2BS EN 12952BS EN 12953BS EN 13076BS EN 13077 BS EN 13831BS EN 13959BS EN ISO 4126-1BS EN ISO 10380:2003IGEM/UP/2:1994UKLPG. Code of Practice 24:Part 6:2000UKLPG. Code of Practice 22:2002 BS 5422BS 5440-1BS 6700BS 6880-1:1988BS 6880-2:1988BS 9999BS EN 88:1991BS EN 13084-1:2007BS EN 14622BS EN 50379-1BS EN 60079-29-1PD CEN/TR 1749Gas Safety (Installation and Use) Regulations 1994, as amended and applied by the Gas Safety (Application) Order (Isle of Man) 1996 Health and Safety (Gas) (Guernsey) Ordinance 2006Gas Safety (Installation and Use) Regulations 1998Gas Safety (Installation and Use) Regulations Northern Ireland) 2004Gas Appliances (Safety) Regulations 1995Boiler (Efficiency) Regulations 1993 as amendedBuilding Regulations 2000 as amendedBuilding (Scotland) Regulations 2004Building Regulations (Northern Ireland) 2010 as amended Pressure Equipment Regulations 1999Water Supply (Water Fittings) Regulations 1999 as amendedHealth and Safety at Work etc. Act 1974 as amendedElectricity at Work Regulations 1989Clean Air Act 1993Asbestos (Prohibitions) Regulations 1992 as amendedDangerous Substances and Explosive Atmospheres Regulations 2002Environment Act 1995IGEM/UP/10:2010IGEM/SR/25:2006 IGEM/UP/16HSE COP20:1987HSE L5690/396/EEC99/36/ECScottish Water Byelaws 2004 UKLPG. Code of Practice 7:2004UKLPG. Code of Practice 24: Part 1:2006HSE L134HSE L135:2003HSE L136:2003HSE L137:2003HSE 138:2003HSE INDG 370:2002Chimney Heights 1956 Clean Air Act Memorandum Building Regulations Approved Document J:2000IGEM/UP/4:1998IGE/UP/1:1995IGE/UP/1A:1998BS 5885-1BS 5885-2BS 6501-1DD 221BS EN 437BS EN 1567BS EN 10255BS EN 12828 BS EN 13084-2BS EN 13084-4BS EN 13384-1 BS EN 13502BS EN 15001-1BS EN 15001-2BS EN 60079-10-1