PHMSA's primary mission under the Federal laws governing the transportation of hazardous materials is to protect people, property and the environment from the risks inherent in the transportation of hazardous materials by pipelines and other modes.

PHMSA's Office of Hazardous Materials Safety Field Operations serves to ensure transportation safety by conducting compliance, incident and accident response and investigations; performing safety, performance and regulatory adequacy and fitness determinations; executing outreach, education and training activities; and providing feedback, information and intelligence through its nationwide operations. Inspecting entities that offer hazardous materials for transportation; and that manufacture, requalify, rebuild, repair, recondition, or retest packaging (other than cargo tanks and tank cars) used to transport hazardous materials. continue here