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


(a) Burning any fuel in a combustion appliance with a net rated thermal input of 50 megawatts or more.
(b) Burning any of the following fuels in an appliance with a net rated thermal input of three megawatts or more otherwise than as an activity which is related to a Part B activity:–
(i) waste oil;
(ii) recovered oil;
(iii) any fuel manufactured from any other waste.

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