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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Aerosol Transportation Risk Assessment

Aerosol-Final-Report.pdf (1.52 MB)

PHMSA contracted with the Cambridge Systematics Team to complete an Aerosol Risk Assessment. The purpose of this assessment was to determine if the United Nations Model Regulations' definition of aerosols maintain an equivalent level of safety to the Hazardous Material Regulations' (HMR) definition used in the United States.

DOT is committed to ensuring that information is available in appropriate alternative formats to meet the requirements of persons who have a disability. If you require an alternative version of files provided on this page, please contact PHMSA-Accessibility@dot.gov.
Last updated: Monday, December 5, 2022