Perchloric acid
What is the carrier for Perchloric acid?
For Perchloric acid, carrier is USPS; restriction type is prohibited; scope is all mail; conditions is Nonmailable Division 5.1 oxidizing substance, recorded from its source on 2026-08-04.
Perchloric acid.
— pe.usps.com, retrieved 2026-08-04
- Item category
- Perchloric acid verified
- Carrier
- USPS our reading
- Restriction type
- prohibited our reading
- Scope
- all mail our reading
- Conditions
- Nonmailable Division 5.1 oxidizing substance
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
- pe.usps.comhttps://pe.usps.com/text/pub52/pub52c3_024.htm