Transporting dangerous goods by sea: limited quantity placarding and marking

This guidance by the Maritime and Coastguard Agency (MCA) outlines the labelling to use for cargo transport units (CTUs).

This publication was withdrawn on

The information on this page has been replaced by an amendment to the IMDG Code.


Placarding and marking requirements for limited quantities when carried by sea transport in cargo transport units

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This guidance document is MCA’s interpretation of the International Maritime Dangerous Goods (IMDG) code (amendment 36-12 chapter 3.4). It’s for those involved with transporting CTUs by sea.

Requirements are given in the IMDG code for the placards and markings to be used on a CTU that’s loaded (partly or fully) with limited quantities.

Published 1 May 2014