49 CFR 172 Special Provision TP24 (TP-Codes)
These provisions apply to the transportation of hazardous materials in IM and UN Specification portable tanks.
|Description||The portable tank may be fitted with a device to prevent the build up of excess pressure due to the slow decomposition of the hazardous material being transported. The device must be in the vapor space when the tank is filled under maximum filling conditions. This device must also prevent an unacceptable amount of leakage of liquid in the case of overturning.|
|HazMat with this Code|