PHMSA

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PHMSA: The Pipeline and Hazardous Materials Safety Administration. PHMSA is responsible for regulating and ensuring the safe and secure movement of hazardous materials to industry and consumers by all modes of transportation, including pipelines. PHMSA oversees the safety of more than 1 million daily shipments of hazardous materials and 2.6 million miles of natural gas and hazardous liquid transportation pipelines in the United States.