Radioactive material
Placard for radioactive material of class 7
Symbol (trefoil): black.
Class 7: Radioactive substances
Placard No. 7D
Symbol (trefoil): black
Background: upper half yellow with white border, lower half white.
The lower half shall show the word RADIOACTIVE or alternatively, when required (see 5.3.2.1), the appropriate UN number and the figure '7' in the bottom corner.