# The Radioactive Material (Road Transport) (Great Britain) Regulations 1996, Paragraph 11


The containment system shall retain its radioactive contents under a reduction of ambient pressure to 25 kPa.

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Source: https://www.legislation.gov.uk/uksi/1996/1350/schedule/11/paragraph/11 (the official version)
Page: https://openlegislation.uk/radioactive-material-road-transport-great-britain-regulations-1996/schedule-11/paragraph-11
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.