# The Aerosol Dispensers Regulations 2009, Paragraph 2.1.2


The valve must enable the aerosol dispenser to be virtually hermetically sealed under normal conditions of storage or transport and must be protected, for example by means of a protective cap, against any unintentional opening and any deterioration.

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Source: https://www.legislation.gov.uk/uksi/2009/2824/schedule/1A/paragraph/2.1.2 (the official version)
Page: https://openlegislation.uk/aerosol-dispensers-regulations-2009/schedule-1A/paragraph-2.1.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.