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

HMG 120 - The 48 Hour Rule

Document Series
Technical Bulletins
Author
Office of Safety
Bulletin Number
HMG-120
Discipline
Hazardous Materials
Subject Hazardous Materials
Keywords
the 48-hour rule
Document
signed HMG120.pdf (956.56 KB)

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 FRADevOps@dot.gov.
Effective Date: Friday, December 1, 2017
Issued Date: Friday, December 1, 2017