# The Pollution Prevention and Control (Scotland) Regulations 2000, Paragraph 12


References to, or to the release into the air of, a substance listed in this paragraph are to any of the following substances:–
oxides of sulphur and other sulphur compounds;
oxides of nitrogen and other nitrogen compounds;
oxides of carbon;
organic compounds and partial oxidation products;
metals, metalloids and their compounds;
asbestos (suspended particulate matter and fibres), glass fibres and mineral fibres;
halogens and their compounds;
phosphorus and its compounds;
particulate matter.

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Source: https://www.legislation.gov.uk/ssi/2000/323/schedule/1/paragraph/12 (the official version)
Page: https://openlegislation.uk/pollution-prevention-and-control-scotland-regulations-2000/schedule-1/paragraph-12
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.