Tag Archives: Marking Size

Required Regulatory Change Affects Marking Text Size for Hazard Class Labels

Both the International Civil Aviation Organization (ICAO) and International Maritime Organization (IMO) recently changed the required size of the text to be used when marking the United Nations Identification Number (UNID Number) on packages of dangerous goods/hazardous materials.  The UNID Number is a four-digit numerical designator (for example, UN1993) which provides an internationally recognized identification number

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