# Federal Register #2026-21307

PHMSA Notice of Applications to Modify Hazardous Materials Special Permits

**Buyer:** Pipeline and Hazardous Materials Safety Administration (PHMSA), U.S. Department of Transportation
**Posted:** October 19, 2026
**Respond By:** November 03, 2026
**Identifier:** 2026-21307

PHMSA is publishing notice of applications to modify existing hazardous-materials special permits; this is a regulatory notice, not a purchase solicitation.
- **Government agency:** Pipeline and Hazardous Materials Safety Administration (PHMSA), U.S. Department of Transportation; no sub-agency office is identified.
- **Applicants named:** **HyAxiom, Inc.; Cellblock FCS, LLC; IPG Defense Corporation; Mercedes-Benz U.S. International, Inc.; Jaguar Land Rover Limited; MacDonald, Dettwiler and Associates Ltd.; Anduril Industries, Inc.; and GE Healthcare Manufacturing LLC.**
- **Requested permit changes:** Updates to hazardous-material descriptions; adjustments to shipping-paper requirements for certain transportation modes; and changes involving lithium-ion batteries, other battery types, packaging, and cylinder designs.
- **Notable quantity change:** One application seeks to raise the permitted quantity of refrigerated liquid helium per article from 214 kg to 250 kg.
- **Procurement scope:** No products or services are being purchased, and no part numbers or purchase quantities are provided.

### Description

The Pipeline and Hazardous Materials Safety Administration (PHMSA) gives notice that it has received applications to modify hazardous materials special permits. The notice lists applications and describes the requested modifications, which include changes to permitted materials, packaging, and transportation conditions. Comments must be received on or before November 3, 2026. The notice provides for public inspection of the applications and submission of comments referencing the relevant application number.

[View original listing](https://www.federalregister.gov/documents/2026/10/19/2026-21307/hazardous-materials-notice-of-applications-for-modification-to-special-permits)