Subsidiary Hazard Labels
Subsidiary hazard level (packing group) | Subsidiary Hazard (Class or Division) | ||||||
3 | 4.1 | 4.2 | 4.3 | 5.1 | 6.1 | 8 | |
I | X | *** | *** | X | X | X | X |
II | X | X | X | X | X | X | X |
III | * | X | X | X | X | X | X |
X-Required for all modes.
*-Required for all modes, except for a material with a flash point at or above 38 °C (100 °F) transported by rail or highway.
**-Reserved
***-Impossible as subsidiary hazard.
49 C.F.R. §172.402