49 CFR 172 Special Provision TP6 (TP-Codes)

These provisions apply to the transportation of hazardous materials in IM and UN Specification portable tanks.

Code	TP6
Description	The tank must be equipped with a pressure release device which prevent a tank from bursting under fire engulfment conditions (the conditions prescribed in CGA pamphlet S-1.2 (see §171.7 of this subchapter) or alternative conditions approved by the Associate Administrator may be used to consider the fire engulfment condition), taking into account the properties of the hazardous material to be transported.
HazMat with this Code	UN 3149 - Hydrogen peroxide and peroxyacetic acid mixtures, stabilized with acids, water, and not more than 5 percent peroxyacetic acid UN 2014 - Hydrogen peroxide, aqueous solutions with not less than 20 percent but not more than 40 percent hydrogen peroxide (stabilized as necessary) UN 2015 - Hydrogen peroxide, stabilized or Hydrogen peroxide aqueous solutions, stabilized with more than 60 percent hydrogen peroxide UN 2014 - Hydrogen, peroxide, aqueous solutions with more than 40 percent but not more than 60 percent hydrogen peroxide (stabilized as necessary) UN 2984 - Hydrogen, peroxide, aqueous solutions with not less than 8 percent but less than 20 percent hydrogen peroxide (stabilized as necessary) UN 3532 - Polymerizing substance, liquid, stabilized, n.o.s UN 3534 - Polymerizing substance, liquid, temperature controlled, n.o.s UN 3531 - Polymerizing substance, solid, stabilized, n.o.s UN 3533 - Polymerizing substance, solid, temperature controlled, n.o.s