Ask X3What does 49 CFR 173.245 (Bulk packaging for extremely hazardous materials such as poisonous gases (Division 2.3)) require?
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According to 49 CFR 173.245, when the hazardous materials table (§ 172.101) specifies that an extremely hazardous material (such as a Division 2.3 poisonous gas) must be packaged under this section, you are only allowed to use the following bulk packagings (subject to the general requirements of subparts A and B of part 173 and any special provisions in column 7 of the table):
1. Tank car tanks and multi-unit tank car tanks, provided they are approved by the Associate Administrator.
2. Cargo tank motor vehicles and portable tanks, provided they are approved by the Associate Administrator.
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