May 11, 2020 DEPARTMENT OF TRANSPORTATION
Pipeline and Hazardous Materials Safety Administration
FR 85 49 CFR Parts 171, 172, 173, 174, 175, 176, 178 and 180 Hazardous Materials: Harmonization With International Standards AGENCY: Pipeline and Hazardous Materials Safety Administration (PHMSA), Department of Transportation (DOT).
SUMMARY: PHMSA is issuing this final rule to amend the Hazardous Materials Regulations (HMR) to maintain alignment with international regulations and standards by incorporating various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions, packaging authorizations, air transport quantity limitations, and vessel stowage requirements. These revisions are necessary to harmonize the HMR with recent changes made to the International Maritime Dangerous Goods Code, the International Civil Aviation Organization’s Technical Instructions for the Safe Transport of Dangerous Goods by Air, and the United Nations Recommendations on the Transport of Dangerous Goods—Model Regulations. Additionally, PHMSA is adopting several amendments to the HMR that would allow for increased alignment with the Transport Canada, Transportation of Dangerous Goods Regulations.
https://www.govinfo.gov/app/details/FR-2020-05-11/2020-06205
ACTION: Final rule.
EFFECTIVE DATE: This rule is effective May 11, 2020, except for instruction 17, which is effective January 2, 2023. Voluntary compliance date: January 1, 2019. Delayed compliance date: May 10, 2021