Type
Common Exapmples
Domestic
International
Domestic Mail
Pub 52
Maximum Amount Permitted in Mail
Additional Information
Air
Surface
Oxidizers/Organic Peroxides
Ammonium nitrate, fertilizer, swimming pool chemicals
Y*
N
345.22a
345.22
ORM-D or mailable limited quantity only — Friction tops unacceptable.
Hydrogen peroxide (less than 20% solution)
Y**
345.22b
No restrictions up to 8%. Solution strength up to 20% is acceptable, if ORM-D or mailable limited quantity only.
