July 26th, 2022   DEPARTMENT OF TRANSPORTATION 

FR 87  44944-45001

49 CFR Parts 171, 172, 173, 175, 176, 178, and 180 

[Docket No. PHMSA–2019–0030 (HM–215P)] 

RIN 2137–AF46 

Hazardous Materials: Harmonization With International Standards 

SUMMARY: 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 PHMSA is also withdrawing the unpublished October 1, 2020, Notice of Enforcement Policy Regarding International Standards on use of select updated international standards in complying with the HMR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. 

ACTION: Final rule.

DATES: Effective date: This rule is effective August 25, 2022. Voluntary compliance date: January 1, 2021. Delayed compliance date: July 26, 2023.

Read More:

https://www.govinfo.gov/content/pkg/FR-2022-07-26/pdf/2022-15358.pdf