Hazardous Materials Regulations Map

Hazardous Materials Standards and Rulemaking Overview

The Standards and Rulemaking Division is located in Washington, DC and led by the Division Director. The Division is responsible for all aspects of rulemakings, letters of interpretation and controlled correspondence, petitions for rulemaking, NTSB...

Hazardous Materials Standards and Rulemaking

Preemption Determinations

Sections 5125(a) and (b) of 49 U.S.C. provide that, in the absence of a waiver of preemption by the Department or specific authority in another Federal law, a requirement of a State, political subdivision of a State, or Indian tribe can be preempted.

Subject Index of Preemption...