# The Food Irradiation (England) Regulations 2009, Paragraph 5

Extent: E+W+S

No licensee shall irradiate food save 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 10MeV.

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Source: https://www.legislation.gov.uk/uksi/2009/1584/schedule/2/part/3/paragraph/5 (the official version)
Page: https://openlegislation.uk/food-irradiation-england-regulations-2009/schedule-2/part-3/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.