Schedule 4 · Standard Symbol for designating any Ionising Radiation Hazard

FOURTH SCHEDULERegulations 20(1), 21 and 22(1)Standard Symbol for designating any Ionising Radiation HazardNotes:1.A : B : C = 1 : 2 : 10.2.Trefoil symbol must be black in colour and background must be yellow.