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Site Notification

Site Notification

The latest general information on the Coronavirus (COVID-19) is available on Coronavirus.gov. For PHMSA contact information during the COVID-19 health emergency, please visit our page.

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PHMSA FAQs

Frequently Asked Questions

The Frequently Asked Questions below have been compiled and grouped by topic. 

In some cases, the same question and answer pair may be in more than one FAQ group to help you locate the information.

Hazardous Materials Safety 

Pipeline Safety 

Last updated: Friday, August 23, 2019