Federal Register #2026-15803

PHMSA Final Rule Updates Aerosol Definition and Reduces Regulatory Burdens

This notice announces a final rule from the Pipeline and Hazardous Materials Safety Administration (PHMSA), under the Department of Transportation, updating the definition of aerosols in the Hazardous Materials Regulations. - Government Buyer: - Department of Transportation (DOT) - Pipeline and Hazardous Materials Safety Administration (PHMSA) - Regulatory Update (Not a Procurement): - Amends the definition of 'aerosol' to align with international standards (UN Model Regulations, IMDG Code, ICAO Technical Instructions, ADR) - Allows gas-only aerosols to qualify for limited quantity exceptions - Reduces compliance costs and administrative overhead for domestic aerosol shippers - Eliminates the need for special permits for certain manufacturers and shippers - Revises recordkeeping requirements for hazardous materials transporters - Impact: - No specific products, part numbers, or purchase quantities are listed - No OEMs or vendors are directly referenced, as this is a regulatory change - Expected to improve international trade compatibility and result in annualized cost savings (approx. $254,565) - Notable Requirements: - Alignment with international definitions for aerosols - Reduced regulatory burdens for U.S. manufacturers and shippers

Description

The Pipeline and Hazardous Materials Safety Administration (PHMSA) is amending the Hazardous Materials Regulations to update the definition of an aerosol. This change aims to eliminate unnecessary regulatory burdens and align the definition with current international transportation standards. The amendment will allow gas-only aerosols to qualify for limited quantity exceptions, reducing compliance costs and administrative overhead for manufacturers and shippers. The rule is expected to improve international trade compatibility and result in annualized cost savings of approximately $254,565. The effective date of the rule is September 3, 2026.

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