# The Aerosol Dispensers Regulations 2009, Paragraph 6.2.1: Test on unfilled containers


The test pressure shall be applied for 25 seconds on five containers selected at random from a homogeneous batch of 2500 unfilled containers, that is, manufactured from the same materials by the same continuous batch manufacturing process, or from a batch constituting one hour's production.
If any one of these containers does not pass the test, ten additional containers shall be drawn at random from the same batch and put through the same test.
If any one of these aerosol containers does not pass the test, the whole batch shall be unsuitable for use.

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Source: https://www.legislation.gov.uk/uksi/2009/2824/schedule/1A/paragraph/6.2.1 (the official version)
Page: https://openlegislation.uk/aerosol-dispensers-regulations-2009/schedule-1A/paragraph-6.2.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.