DG Digest: PHMSA Corrects Final Rule From December Federal Register Entries

PHMSA published an SP action related to rail tank cars. A BNSF Railway train led by Norfolk Southern’s Conrail heritage unit rolls along a quiet street in rural Chillicothe, Illinois in April of 2015. Photo © 4/2015 by Nikki Burgess; all rights reserved.

January wrapped up with a pair of fairly quiet weeks on the regulatory front—maybe it’s just too cold! It was a good month to tab those multiple new regulatory texts we all procured at the beginning of the year. Staying organized and knowing how to easily find the regulatory snippets you use and rely on most often helps make the “DG Life” just a little easier. That’s never a bad thing!  Here’s the latest:


The agency is correcting the final rule that appeared in the Federal Register on December 27, 2022. The final rule made editorial revisions and clarifications to the hazardous materials regulations including the hazardous materials table. This new correction address four errors to the entries in the hazardous materials table (See 49 CFR 172.101). This revision was effective January 26, 2023. 

Take a look at the fixes here.

The agency also published a special permit action dealing with rail tank cars and cryogenic liquid transport. This is a joint action with the FRA.

See it here!


The agency is soliciting public comments concerning its proposal to extend and revise the Office of Management and Budget’s (OMB) approval of the information collection requirements specified in the Standard for Process Safety Management (PSM) of Highly Hazardous Chemicals. Comments must be submitted by March 31, 2023. Managing such chemicals safely is an important part of OSHA’s overall hazard communication operation.

See the action here.

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