Toxic substances with LD50 oral toxicity greater than 5 mg/kg but no more than 50 mg/kg · USPS
What is the restriction type for Toxic substances with LD50 oral toxicity greater than 5 mg/kg but no more than 50 mg/kg · USPS?
For Toxic substances with LD50 oral toxicity greater than 5 mg/kg but no more than 50 mg/kg, carrier is USPS; restriction type is restricted; scope is domestic mail; conditions is Mailable only when sent between authorized parties (manufacturers, dealers, bona fide research labs, or government employees for official use); for domestic air a Shipper's Declaration for Dangerous Goods is required, recorded from its source on 2026-08-04.
Toxic Substances with LD 50 Oral Toxicity of 50 mg/kg or Less: Division 6.1 toxic substances having LD50 for oral toxicity greater than 5 mg/kg but less than or equal to 50 mg/kg are mailable only when sent between authorized parties under specified conditions
— pe.usps.com, retrieved 2026-08-04
- Item or substance
- Toxic substances with LD50 oral toxicity greater than 5 mg/kg but no more than 50 mg/kg
- Carrier
- USPS our reading
- Restriction type
- restricted our reading
- Scope
- domestic mail our reading
- Conditions
- Mailable only when sent between authorized parties (manufacturers, dealers, bona fide research labs, or government employees for official use); for domestic air a Shipper's Declaration for Dangerous Goods is required
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_025.htm