Hazardous Materials; Miscellaneous Amendments

Summary: PHMSA is amending the Hazardous Materials Regulations to update, clarify or provide relief from certain requirements governing the classification, packaging, or labeling of hazardous materials transported in commerce. Among other provisions, PHMSA is adopting a new proper shipping name and identification number for fuel blends composed of ethanol and gasoline. In addition, PHMSA is updating references to consensus standards, revising and clarifying certain hazard communication requirements, and clarifying transportation requirements applicable to dry ice, detonator assemblies, and explosives. PHMSA is also expanding exceptions from regulation for small quantities of hazardous materials.