# The Radioactive Material (Road Transport) (Great Britain) Regulations 1996, Paragraph 8: Water spray test:


The specimen shall be subjected to a water spray test that simulates exposure to rainfall of approximately 5 cm per hour for at least one hour.

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Source: https://www.legislation.gov.uk/uksi/1996/1350/schedule/15/part/III/paragraph/8 (the official version)
Page: https://openlegislation.uk/radioactive-material-road-transport-great-britain-regulations-1996/schedule-15/part-III/paragraph-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.