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Marking and Labelling of Dangerous Goods

Little Pro on 2016-01-07

Dangerous goods packages must be marked and labelled before they are assigned for shipment. The differences between marking and labelling under TDG are listed as below:

  • Marking: mainly refers to UN number, proper shipping names, UN specification marks and other markings if applicable(i.e. orientation arrows, environmental hazardous substances mark for UN 3077 and UN 3082 and excepted quantities mark);
  • Labelling: mainly means hazard symbols (and handling labels) displayed on small means of packages (usually less than 450 liters) ;

Example of Dangerous Goods Marking and Labeling

The picture below shows how a dangerous goods package should be marked and labelled.

dangerous goods marking & labelling example

Limited Quantity and Excepted Quantity Marking

Selected dangerous goods packed in small quantities (limited quantity) or very small volumes (excepted quantity) pose a lesser risk in transport than do the same goods packed in larger volumes. Thus they qualify for some relief from robust packaging requirements provided that they are packed and marked properly. This could save considerable packaging costs.

The picture below shows the marking for limited quantity and excepted quantity dangerous goods.

dangerous goods marking

Read More about Limited Quantities and Excepted Quantities

Environmentally Hazardous Substances Mark

Environmentally hazardous substances mark (dead fish symbol) shall be put on outer package for class 9 dangerous goods assigned with UN 3077 and UN 3082. See example below for zinc oxide.

UN 3082 Environmentally hazardous substances mark

It shall be noted that IMDG code and ADR also require the environmentally hazardous substances mark for dangerous goods shipments other than UN 3077 and UN 3082 as long as the dangerous goods are listed as marine pollutants or meet the criteria of marine pollutants (see example below).

Environmentally hazardous substances mark

Read More about Environmentally Hazardous Substances and Marine Pollutants

Reference & Resources

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 Tags: Topics - TDGDangerous Goods