49 CFR 172 Special Provision A53 (A-Codes)
These provisions apply only to transportation by aircraft.
Code | A53 |
---|---|
Description | Refrigerating machines and refrigerating machine components are not subject to the requirements of this subchapter when containing less than 12 kg (26.4 pounds) of a non-flammable gas or when containing 12 L (3 gallons) or less of ammonia solution (UN2672) (see §173.307 of this subchapter). |
HazMat with this Code |