# Bromates, inorganic, aqueous solution, n.o.s. · USPS — Mailing and air-carriage restrictions by item category For Bromates, inorganic, aqueous solution, n.o.s. · USPS, item category is Bromates, inorganic, aqueous solution, n.o.s; carrier is USPS; restriction type is restricted; scope is domestic mail (air and surface); conditions is Hazard class 5.1, UN3213, packing group II; domestic mail air: 5A; domestic mail surface: 5A, recorded from its source on 2026-08-30. - **Item category:** Bromates, inorganic, aqueous solution, n.o.s. _(verified: appears in the quote below)_ - **Carrier:** USPS _(our reading, not quoted from the source)_ - **Restriction type:** restricted _(our reading, not quoted from the source)_ - **Scope:** domestic mail (air and surface) _(our reading, not quoted from the source)_ - **Conditions:** Hazard class 5.1, UN3213, packing group II; domestic mail air: 5A; domestic mail surface: 5A ## What the source says > Bromates, inorganic, aqueous solution, n.o.s. 5.1 UN3213 II 5A 5A ## Source - https://pe.usps.com/cpim/ftp/pubs/pub52/pub52.pdf Last verified: 2026-08-30. Review by: 2027-08-30. Part of [Mailing and air-carriage restrictions by item category](https://referencesource.org/shipping-restrictions-by-class/).