Statutory guidance

Boilers and furnaces 20 to 50MW thermal input: process guidance note 1/03

Local authority regulators must use this process guidance note (PGN) to assess applications and write permits for boilers and furnaces.



Regulators can be:

  • district councils, borough councils, unitary councils or port health authorities in England and Wales
  • the Scottish Environment Protection Agency in Scotland
  • district councils or the Northern Ireland Environment Agency in Northern Ireland

This PGN includes:

  • air emission limits
  • emission monitoring methods
  • best available techniques to control air emissions

Boilers and furnaces are a ‘Part B’ activity under the local authority pollution prevention and control (LAPPC) regime.

Published 1 June 2012