# The Nuclear Installations (Excepted Matter) Regulations 1978, Regulation 5


Fissile material shall comply with such of the provisions of Regulation 4 of these Regulations as may be appropriate and in addition shall not exceed the following mass limits:—
(a) for a consignment containing only one of the materials specified in column 1 of the Table set out in Schedule 2 to these Regulations, the limit set out in column 2 of the said Table;
(b) for a consignment containing more than one of the materials specified in column 1 of the Table set out in Schedule 2 to these Regulations, the sum of the fractions obtained by dividing the masses of each of the said materials present by the relevant limit prescribed in column 2 of the said Table shall not exceed 1.

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Source: https://www.legislation.gov.uk/uksi/1978/1779/regulation/5 (the official version)
Page: https://openlegislation.uk/nuclear-installations-excepted-matter-regulations-1978/regulation-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.