# The Ionising Radiations Regulations 2017, Paragraph 1: Employees and trainees of 18 years of age or above


For the purposes of regulation 12(1), the limit on effective dose for any employee or trainee, being of 18 years of age or above, is 20 mSv in any calendar year.

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Source: https://www.legislation.gov.uk/uksi/2017/1075/schedule/3/paragraph/1 (the official version)
Page: https://openlegislation.uk/ionising-radiations-regulations-2017/schedule-3/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.