# The Food Irradiation (Scotland) Regulations 2009, Paragraph 11


A licensee must only irradiate food with—
(a) gamma rays from the radionuclide 60Co;
(b) gamma rays from the radionuclide 137Cs;
(c) X-rays generated from machine sources operated at or below an energy level of 5 MeV; or
(d) electrons generated from machine sources operated at or below an energy level of 10 MeV.

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Source: https://www.legislation.gov.uk/ssi/2009/261/schedule/2/paragraph/11 (the official version)
Page: https://openlegislation.uk/food-irradiation-scotland-regulations-2009/schedule-2/paragraph-11
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.