# The Pollution Prevention and Control (Scotland) Regulations 2000, 


(a) Burning any fuel in a boiler or furnace with a net rated thermal input of 20 megawatts or more but less than 50 megawatts.
(b) Burning any fuel in a gas turbine or compression ignition engine with a net rated thermal input of 20 megawatts or more but less than 50 megawatts.
(c) Burning waste oil or recovered oil as a fuel in an appliance with a net rated thermal input of less than 3 megawatts.
(d) Burning solid fuel which has been manufactured from waste by a process involving the application of heat in an appliance with a net rated thermal input of less than 3 megawatts.
(e) Burning fuel manufactured from waste, other than waste oil or recovered oil or such fuel as is mentioned in paragraph (d) in any appliance with a net rated thermal input of less than 3 megawatts but more than 0.4 megawatts or which is used together with other appliances, which each have a net rated thermal input of less than 3 megawatts, where the aggregate net rated thermal input of all the appliances is at least 0.4 megawatts.

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Source: https://www.legislation.gov.uk/ssi/2000/323/schedule/1/part/I/chapter/1/crossheading/combustion-2 (the official version)
Page: https://openlegislation.uk/pollution-prevention-and-control-scotland-regulations-2000/schedule-1/part-I/chapter-1/crossheading-combustion-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.