Reference Source

Ammonium nitrate, with not more than 0.2 percent of combustible substances, including any organic substance calculated as carbon, to the exclusion of any other added substance

For Ammonium nitrate, with not more than 0.2 percent of combustible substances, including any organic substance calculated as carbon, to the exclusion of any other added substance, carrier is USPS; restriction type is restricted; scope is domestic mail (air and surface); conditions is Hazard class 5.1, UN1942, packing group III; domestic mail air: 5A; domestic mail surface: 5A, recorded from its source on 2026-08-10.

Item category
Ammonium nitrate, with not more than 0.2 percent of combustible substances, including any organic substance calculated as carbon, to the exclusion of any other added substance verified
Carrier
USPS our reading
Restriction type
restricted our reading
Scope
domestic mail (air and surface) our reading
Conditions
Hazard class 5.1, UN1942, packing group III; domestic mail air: 5A; domestic mail surface: 5A 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

Ammonium nitrate, with not more than 0.2 percent of combustible substances, including any organic substance calculated as carbon, to the exclusion of any other added substance 5.1 UN1942 III 5A 5A

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

Source

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