Reference Source

Heptanes · USPS

What is the restriction type for Heptanes · USPS?

For Heptanes, carrier is USPS; restriction type is restricted; scope is domestic mail: surface only (air prohibited); conditions is Hazard class 3, UN1206, packing group II; domestic mail air: Prohibited; domestic mail surface: 3A, recorded from its source on 2026-08-10.

Heptanes 3 UN1206 II Prohibited 3A

— pe.usps.com, retrieved 2026-08-10

Item or substance
Heptanes verified
Carrier
USPS our reading
Restriction type
restricted our reading
Scope
domestic mail: surface only (air prohibited) our reading
Conditions
Hazard class 3, UN1206, packing group II; domestic mail air: Prohibited; domestic mail surface: 3A
Sourcepe.usps.com
Verified
Review by
DatasetWhat can be mailed: USPS hazardous materials, plus item rules for post and couriers

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.

Source

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