Biological substance, Category B
For Biological substance, Category B, carrier is USPS; restriction type is restricted; scope is domestic mail (air and surface); conditions is Hazard class 6.2, UN3373, packing group n/a; domestic mail air: 6C; domestic mail surface: 6C, recorded from its source on 2026-08-10.
- Item category
- Biological substance, Category B verified
- Carrier
- USPS our reading
- Restriction type
- restricted our reading
- Scope
- domestic mail (air and surface) our reading
- Conditions
- Hazard class 6.2, UN3373, packing group n/a; domestic mail air: 6C; domestic mail surface: 6C verified
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
Biological substance, Category B 6.2 UN3373 n/a 6C 6C
— pe.usps.com, retrieved 2026-08-10
Source
- pe.usps.comhttps://pe.usps.com/cpim/ftp/pubs/pub52/pub52.pdf