Misc Amendments to DOT-Spec Cylinders

Misc Amendments to DOT-Spec Cylinders.pdf

On December 28, 2020 (85 FR 85380) the Pipeline and Hazardous Materials Safety Administration (PHMSA) amended the Hazardous Materials Regulations (HMR) to revise certain requirements applicable to the manufacture, use, and requalification of DOT-specification cylinders.  PHMSA is taking this action in response to petitions for rulemaking submitted by stakeholders and agency review of compressed gas cylinder regulations. Specifically, PHMSA is incorporating by reference or updating the references to several Compressed Gas Association publications, amending the filling requirements for compressed and liquefied gases, expanding the use of salvage cylinders, and revising and clarifying the manufacture and requalification requirements for cylinders.  DATES: Effective date: January 27, 2021.  Incorporation by reference date: The incorporation by reference of certain publications listed in this rule is approved by the Director of the Federal Register as of January 27, 2021.  The incorporation by reference of other publications listed in this rule were previously approved by the Director of the Federal Register as of January 1, 2004 (ASTM E 8-99 and Welding Aluminum: Theory and Practice, Fourth Edition) and May 11, 2020 (Transport Canada TDG Regulations).  Compliance Date: Unless otherwise specified, compliance with the amendments adopted in this final rule is required beginning December 28, 2021.