Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Hazardous Materials: Harmonization With International Standards
FR Abstract
PHMSA is amending the Hazardous Materials Regulations (HMR) to maintain alignment with international regulations and standards by adopting various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions, packaging authorizations, air transport quantity limitations, and vessel stowage requirements. Additionally, PHMSA is amending the HMR to allow for better alignment with Transport Canada's Transportation of Dangerous Goods Regulations. PHMSA is also withdrawing the unpublished October 1, 2020, Notice of Enforcement Policy Regarding International Standards on use of select updated international standards in complying with the HMR during the pendency of this rulemaking.