# The Nuclear Installations (Excepted Matter) Regulations 1978, Schedule 1


Group
Radionuclides within the Group
Limit in Curies
1
Radionuclides with A2 values not exceeding 0.01 curie
2
2
Radionuclides with A2 values exceeding 0.01 curie and not exceeding 1 curie
20
3
Radionuclides with A2 values exceeding 1 curie and not exceeding 100 curies
200
4
Radionuclides with A2 values exceeding 100 curies and less than 1,000 curies
5,000
5
Radionuclides with A2 values of 1,000 curies or greater
50,000

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Source: https://www.legislation.gov.uk/uksi/1978/1779/schedule/1 (the official version)
Page: https://openlegislation.uk/nuclear-installations-excepted-matter-regulations-1978/schedule-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.