PHMSA Limited Quantity Hazardous Materials Marking
Current understanding
To be populated as evidence accumulates.
Evidence log
- 2026-08-04 — Hazardous Materials: Reducing Costs to Domestic Shippers and Carriers of Limited Quantities: PHMSA final rule authorizes a reduced-size limited-quantity marking for hazmat transported by highway, rail, or vessel, framed as removing undue compliance costs for domestic shippers and carriers. (novelty: 2)
Open questions
Related
Contributing findings
Hazardous Materials: Reducing Costs to Domestic Shippers and Carriers of Limited Quantities
04-aug-2026
novelty 2
per-area 2
introduces