# The Ionising Radiations Regulations 2017, Paragraph 4


Without prejudice to paragraph 3—
(a) the limit on equivalent dose for the lens of the eye is 15 mSv in a calendar year;
(b) the limit on equivalent dose for the skin is 150 mSv in a calendar year as applied to the dose averaged over any area of 1 cm2 regardless of the area exposed;
(c) the limit on equivalent dose for the extremities is 150 mSv in a calendar year.

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Source: https://www.legislation.gov.uk/uksi/2017/1075/schedule/3/paragraph/4 (the official version)
Page: https://openlegislation.uk/ionising-radiations-regulations-2017/schedule-3/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.