How to Read UN Markings:
For Liquids:
Sample: UN 1A1/Y1.4/100/09/USA/NC1
| 1 | Package Identification: | 1 Drums / Pails 2 Barrels 3 Jerricans 4 Boxes 5 Bags 6 Composite Packaging (i.e. Steel/Plastic) |
| A | Material | A Steel B Aluminum C Wood G Fibre H Plastic |
| 1 | Package Type | 1 Closed Head 2 Open Head |
| Y | Signifies Packaging Group for Which the Package was Tested | X Groups I, II and III Y Groups II and III Z Group III |
| 1.4 | This number signifies the specific gravity for which the design type was tested. | |
| 100 | This is the hydraulic test pressure in kilopascals (kPa). | |
| 09 | Year of manufacture | |
| USA | Country of origin | |
| NC1 | Name or symbol of manufacturer | |
For Solids:
Sample: UN 1H2/X65/S/09/USA/NC1
| 1 | Package Identification: | 1 Drums / Pails 2 Barrels 3 Jerricans 4 Boxes 5 Bags 6 Composite Packaging (i.e. Steel/Plastic) |
| H | Material | A Steel B Aluminum C Wood G Fibre H Plastic |
| 2 | Package Type | 1 Closed Head 2 Open Head |
| X | Signifies Packaging Group for Which the Package was Tested | X Groups I, II and III Y Groups II and III Z Group III |
| 65 | Weight in Kilograms | |
| S | Tested for Solids | |
| 09 | Year of manufacture | |
| USA | Country of origin | |
| NC1 | Name or symbol of manufacturer | |