# The Planning (Hazardous Substances) (Wales) Regulations 2015, Paragraph 6

Extent: E+W

Paragraph 5 does not apply to—
(a) a site used for the storage of metallic mercury pursuant to Article 13(1) of Regulation (EU) 2017/852 of the European Parliament and of the Council on mercury, and repealing Regulation (EC) No 1102/2008, as amended from time to time;
(b) onshore underground gas storage in natural strata, aquifers, salt cavities and disused mines;
(c) chemical and thermal processing operations and storage related to those operations; or
(d) operational tailings disposal facilities, including tailing ponds or dams, containing a hazardous substance.

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Source: https://www.legislation.gov.uk/wsi/2015/1597/schedule/2/paragraph/6 (the official version)
Page: https://openlegislation.uk/planning-hazardous-substances-wales-regulations-2015/schedule-2/paragraph-6
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.