# The Planning (Hazardous Substances) Regulations 2015, Regulation 3: Hazardous substances and controlled quantities


For the purpose of the Act—
(a) hazardous substances are substances, mixtures or preparations—
(i) falling within a category in column 1 of Part 1 of Schedule 1 to these Regulations,
(ii) specified in column 1 of Part 2 of that Schedule, or
(iii) meeting the description in column 1 of Part 3 of that Schedule,
and present as raw materials, products, by-products, residues or intermediates; and
(b) the controlled quantity of a hazardous substance is the quantity specified in column 2 of that Schedule corresponding to that substance.

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Source: https://www.legislation.gov.uk/uksi/2015/627/regulation/3 (the official version)
Page: https://openlegislation.uk/planning-hazardous-substances-regulations-2015/regulation-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.