---
type: restriction
id: usps-oxidizing-substances-or-organic-peroxides-qualifying-as-limited-quantity
asset: shipping-restrictions-by-class
title: "Oxidizing substances or organic peroxides qualifying as Limited Quantity — Postal shipping restrictions by item category"
sources:
  - https://pe.usps.com/text/pub52/pub52c3_024.htm
source_quote: "Domestic Mail via Air or Surface Transportation: Oxidizing substances or organic peroxides that qualify as Limited Quantity air or Limited Quantity surface are permitted."
generated: true
harvested: 2026-08-04
stale_after: 2027-08-04
item_category: "Oxidizing substances or organic peroxides qualifying as Limited Quantity"
carrier: "USPS"
restriction_type: "restricted"
scope: "domestic mail via air or surface transportation"
conditions: "Permitted if qualify as Limited Quantity air or Limited Quantity surface materials"
verified: true
unverified_fields: carrier
---
**Item category:** Oxidizing substances or organic peroxides qualifying as Limited Quantity

**Carrier:** USPS

**Restriction type:** restricted

**Scope:** domestic mail via air or surface transportation

**Conditions:** Permitted if qualify as Limited Quantity air or Limited Quantity surface materials

> Domestic Mail via Air or Surface Transportation: Oxidizing substances or organic peroxides that qualify as Limited Quantity air or Limited Quantity surface are permitted.

Source: <https://pe.usps.com/text/pub52/pub52c3_024.htm>