Flammable liquids with flashpoint above 20 F — domestic surface
For Flammable liquids with flashpoint above 20 F, item category is Flammable liquids with flashpoint above 20 F — domestic surface; carrier is USPS; restriction type is restricted; scope is domestic mail via surface transportation only; conditions is Mailable if qualifies as Limited Quantity surface material and meets criteria; must follow Packaging Instruction 3A, recorded from its source on 2026-08-04.
- Item category
- Flammable liquids with flashpoint above 20 F — domestic surface unconfirmed
- Carrier
- USPS our reading
- Restriction type
- restricted our reading
- Scope
- domestic mail via surface transportation only our reading
- Conditions
- Mailable if qualifies as Limited Quantity surface material and meets criteria; must follow Packaging Instruction 3A unconfirmed
Values marked unconfirmed are shown, but we could not tie them to the quote below: Conditions, Item category. Read the quote and judge them yourself.
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
Other flammable liquids may be mailed if they qualify as a Limited Quantity surface material and meet the criteria in Exhibit 343.21
— pe.usps.com, retrieved 2026-08-04
Source
- pe.usps.comhttps://pe.usps.com/text/pub52/pub52c3_022.htm