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

International Program

Left Nav - International Program
181

Forbidden Materials

49 CFR 172.101 Hazardous Materials Table 49 CFR 173.21 Forbidden Materials and Packages

49 CFR 172.101 Hazardous Materials Table 49 CFR 172.101 Hazardous Materials Table Acetyl acetone peroxide with more than 9 percent by mass active oxygen Acetyl benzoyl...

International Program Overview

About PHMSA's International Program

PHMSA's International Program provides leadership in the development of international hazardous materials transportation safety standards. The program draws on PHMSA's technical expertise, stakeholder participation, and multi-modal collaboration to support the...