# The Pollution Prevention and Control (Scotland) Regulations 2000, Paragraph 2


(1) Subject to sub-paragraph (2), an activity shall not be taken to be a Part B activity if it cannot result in the release into the air of a substance listed in paragraph 12 or there is no likelihood that it will result in the release into the air of any such substance except in a quantity which is so trivial that it is incapable of causing harm or its capacity to cause harm is insignificant.
(2) Sub-paragraph (1) does not apply to an activity which may give rise to an offensive smell noticeable outside the site where the activity is carried out.

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