http://www.legislation.gov.uk/wsi/2001/3996/contents/made
The Smoke Control Areas (Authorised Fuels) (Amendment) (Wales) Regulations 2001
Smoke
King's Printer of Acts of Parliament
2014-11-25
CLEAN AIR, WALES
Section 20 of the Clean Air Act 1993 (“the Act”) provides that where smoke is emitted from a chimney in a smoke control area, and that chimney is either—a chimney of a building; ora chimney serving the furnace of a fixed boiler or industrial plant (not being a chimney of a building),