This logo is meant to be such labelling: https://en.m.wikipedia.org/wiki/Food_irradiation#/media/File%3ARadura_international.svg https://en.m.wikipedia.org/wiki

This logo is meant to be such labelling: https://en.m.wikipedia.org/wiki/Food_irradiation#/media/File%3ARadura_international.svg https://en.m.wikipedia.org/wiki/Food_irradiation#/media/File... I'm not sure how widespread use of it is though.