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USPS Packaging Instruction 2B

Nonflammable Gases

A Class 2 nonflammable gas that qualifies as a consumer commodity or ORM-D material is mailable provided that all applicable requirements in 342 are met and it is properly packaged as follows.

Proper Shipping Name

ID Number

Mailability

Required Packaging

Primary Receptacle(s)
Cushioning Material
Outer Packaging
Marking
Documentation