In this article we describe the structure of dangerous goods plates according to United Nations “Agreement concerning the International Carriage of Dangerous Goods by Road”
- The upper line, called hazard number (a.k.a. Kemler Code), describes the danger, which emanates from the transported dangerous goods (33 = highly flammable liquid substance (flash point below 23 °C))
- The lower line, called UN number specifies the composition (type) of the transported goods (1203 = gasoline)
Attached you’ll see an example for a for a non-compliant ADR plate:
In this case, it is a digital replica with non-compliant design (spacing of digits too large, frame too narrow).
In reality, however, this incorrect representation should not be used.