Reference Source

Methane, refrigerated liquid (cryogenic liquid) or Natural gas, refrigerated liquid (cryogenic liquid), with high methane content

For Methane, refrigerated liquid (cryogenic liquid) or Natural gas, refrigerated liquid (cryogenic liquid), with high methane content, carrier is USPS; restriction type is restricted; scope is domestic mail: surface only (air prohibited); conditions is Hazard class 2.1, UN1972, packing group n/a; domestic mail air: Prohibited; domestic mail surface: 2A, recorded from its source on 2026-08-10.

Item category
Methane, refrigerated liquid (cryogenic liquid) or Natural gas, refrigerated liquid (cryogenic liquid), with high methane content verified
Carrier
USPS our reading
Restriction type
restricted our reading
Scope
domestic mail: surface only (air prohibited) our reading
Conditions
Hazard class 2.1, UN1972, packing group n/a; domestic mail air: Prohibited; domestic mail surface: 2A verified
Sourcepe.usps.com
Verified
Review by
DatasetPostal shipping restrictions by item category

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

Methane, refrigerated liquid (cryogenic liquid) or Natural gas, refrigerated liquid (cryogenic liquid), with high methane content 2.1 UN1972 n/a Prohibited 2A

pe.usps.com, retrieved 2026-08-10

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.