Home > Links > Hazardous Materials Guide
US DOT - Hazardous Materials Guide
The Pipeline and Hazardous Materials Safety Administration (PHMSA) is a United States Department of Transportation agency responsible for developing and enforcing regulations for the safe, reliable, and environmentally sound operation of the United States' 2.6 million mile pipeline transportation. The administration is also responsible for the nearly 1 million daily shipments of hazardous materials by land, sea, and air. The agency also oversees the nation's pipeline infrastructure which accounts for 64 percent of the energy commodities consumed in the United States. Made up of the Office of Pipeline Safety and the Office of Hazardous Materials Safety, PHMSA's main mission is to protect the people and the environment from the inherent risks associations with the transportation of hazardous materials, whether it be by pipeline or other modes of transport.