Hazardous Materials: Modernizing Regulations To Facilitate Transportation of Hazardous Materials Integral to Spacecraft Components and Payloads
Published Date: 1/29/2026
Proposed Rule
Summary
The Department of Transportation wants to update rules to make it easier and safer to ship hazardous materials used in spacecraft parts and payloads. This affects companies and workers involved in space missions, aiming to speed up transport without extra costs. They’re asking for public feedback by April 29, 2026, to help shape these smarter, space-ready rules.
Analyzed Economic Effects
4 provisions identified: 2 benefits, 1 costs, 1 mixed.
Streamlining Special-Permit Burden
PHMSA says industry spends time and resources getting special permits to move hazardous materials for spacecraft and is considering ways to reduce those costs and streamline operations while keeping safety the same.
Unique Training for Hazmat Workers
PHMSA notes that hazardous materials employees who work on spacecraft payloads or components likely perform different functions than typical hazmat workers and will need unique, function-specific training.
Common Permit Relief Categories Identified
PHMSA reviewed 60 special permits and found most permit relief for space shipments falls into three categories: (1) authorizing non-specification pressure vessels and waiving pressure relief device (PRD) rules for Division 2.2 gases; (2) allowing alternative hazard communication; and (3) authorizing lithium-ion batteries or cells under alternative testing.
Possible Changes to Hazard Communication Rules
PHMSA asks whether some hazard communication requirements could be reduced for space shipments when operational controls (for example, closed roads or security escorts) are used, and asks commenters to identify potential challenges for emergency first responders if communication is reduced.
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Key Dates
Department and Agencies
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