Once it has been determined that a waste is hazardous or a persistent organic pollutant it is given a Hazard Class based on the properties that make it hazardous. The codes are listed below: UN Markings
X for Packing Groups I, II and III Y for Packing Groups II and III Z for Packing Group III only
Max Gross Mass in Kg
Packaging Identification Code (Type & Material)
Year of Manufacture
u n
4G / X8 / S / 05 USA/M4166
Solid
UN Packing Symbol
Approval Country
Manufacturer identification or other identification
Example of UN marking on an IBC.
Example of UN marking on a steal drum – this one shows the approval country as Great Britain.
An Introduction to Waste Management at Sellafield Ltd 12
An Introduction to Waste Management at Sellafield Ltd 13
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