About the Office
The Western Regional Hazardous Materials Office is...
The Western Regional Hazardous Materials Office is...
The Eastern Regional Office, based in West...
Philadelphia Gas Works, Philadelphia, PA Tier 2 Environmental Assessment
PHMSA data for individual pipeline operators can be accessed from...
24-0071 PDF
PI-12-0005 PDF
In accordance with the provisions of 49 U.S.C. § 5103(c), PHMSA's Associate Administrator for the Office of Hazardous Materials Safety declares that an emergency exists that warrants issuance of a Waiver of the Hazardous Materials Regulations (HMR; 49...