USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

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

EHM Experimental Data Product Methodology

Document
EHM-Experimental-Data-Product-Methodology.pdf (103.85 KB)

Technical Documentation: Commodity Flow Survey—Expanded Hazardous Materials Supplement, Experimental Data Product Methodology

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: Friday, April 5, 2024