DG Digest: For HM-215Q, PHMSA Corrects International Hazmat Shipping Rules for Specific Materials, Revises Table Appearance

Here we are heading into mid-May; the weather is rapidly warning and it’s the apex of the spring storm season in much of the country. If you live and work in a place that is affected by this type of heavy weather, be sure you have a safety plan. When it’s happening is no time to try to think about what to do. Eyes on the sky! Here’s the past week’s regulatory news, including some busy PHMSA work correcting the recent HM-215Q international harmonization:


The agency is correcting the HM-215Q final rule for international harmonization that was published in the Federal Register on April 10, 2024. The corrections address several errors to the hazardous material entries in the hazardous materials table. This correction is effective May 10, 2024. Corrections include changes to some label codes and special provision assignments, etc. The following materials are affected:

  • UN3548, Articles containing miscellaneous dangerous goods, n.o.s.
    • UN3538, Articles containing non- flammable, non-toxic gas, n.o.s.
  • UN2922, Corrosive liquid, toxic, n.o.s.
  • UN2923, Corrosive solids, toxic, n.o.s.
  • UN0512, Detonators, electronic programmable for blasting
  • UN3129, Water- reactive liquid, corrosive, n.o.s. 
  • UN3148, Water-reactive liquid, n.o.s

Note that each material has its own set of changes. See the full correction here.

In a second correction published very late in the week, PHMSA revised the appearance of several pages in the Hazardous Materials Table as they were first displayed in rule document 2024–06956 beginning on page 25434 in the issue of Wednesday, April 10, 2024. (i.e., the original HM-215Q harmonization rule publication) Via the link below, the agency makes the following additional corrections to the HMT as found on pages 25473 through 25475.

The agency also published a multi-part ICR renewal request. Subjects covered include:

  • Reporting and Recordkeeping requirements for flammable cryogenic liquids
    • Updating and creating new Basic Written Response Plans
    • UN Pressure Receptacle approvals, modifications, and recordkeeping

See the ICR renewals here.


The agency published an ICR affecting Generators, Transporters, and Waste Management Facilities Under the RCRA Hazardous Waste Manifest System. It covers recordkeeping and reporting activities for the hazardous waste manifest paper and electronic system under the Resource Conservation and Recovery Act (RCRA) and the Hazardous Waste Electronic Manifest Establishment Act. See the full ICR here.


The agency published an ICR related to its licensing application forms for Motor Carrier Operating Authority. See it here.

A second published ICR relates to Motor Carrier Records Change Forms. See this ICR here.


The agency published another ICR dealing with material hoists and lifts. See the ICR here.

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