Special Provision T22 — 49 CFR 172.102 (T-Codes)

Code

T22

Description

Minimum test pressure (bar)	10
Minimum shell thickness	10 mm
Pressure-relief requirements	§ 178.275(g)(3)
Bottom opening requirements	Prohibited

HazMat with this Code

UN 1092 - Acrolein, stabilized
UN 1744 - Bromine
UN 1745 - Bromine pentafluoride
UN 1744 - Bromine solutions
UN 1746 - Bromine trifluoride
UN 1580 - Chloropicrin
UN 1185 - Ethyleneimine, stabilized
UN 1994 - Iron pentacarbonyl
UN 1238 - Methyl chloroformate
UN 1239 - Methyl chloromethyl ether
UN 2480 - Methyl isocyanate
UN 1251 - Methyl vinyl ketone, stabilized
UN 1244 - Methylhydrazine
UN 2845 - Pyrophoric liquids, organic, n.o.s
UN 1834 - Sulfuryl chloride
UN 3389 - Toxic by inhalation liquid, corrosive, n.o.s. with an LC50 lower than or equal to 200 ml/m3 and saturated vapor concentration greater than or equal to 500 LC50
UN 3488 - Toxic by inhalation liquid, flammable, corrosive, n.o.s. with an LC50 lower than or equal to 200 ml/m3 and saturated vapor concentration greater than or equal to 500 LC50
UN 3383 - Toxic by inhalation liquid, flammable, n.o.s. with an LC50 lower than or equal to 200 ml/m3 and saturated vapor concentration greater than or equal to 500 LC50
UN 3381 - Toxic by inhalation liquid, n.o.s. with an LC50 lower than or equal to 200 ml/m3 and saturated vapor concentration greater than or equal to 500 LC50
UN 3387 - Toxic by inhalation liquid, oxidizing, n.o.s. with an LC50 lower than or equal to 200 ml/m3 and saturated vapor concentration greater than or equal to 500 LC50
UN 3490 - Toxic by inhalation liquid, water-reactive, flammable, n.o.s. with an LC50 lower than or equal to 200 ml/m3 and saturated vapor concentration greater than or equal to 500 LC50
UN 3385 - Toxic by inhalation liquid, water-reactive, n.o.s. with an LC50 lower than or equal to 200 ml/m3 and saturated vapor concentration greater than or equal to 500 LC50

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