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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

General

Legacy ID
16
Show Effective Date
Off
Significant Regulatory Guidance
No
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Underground Natural Gas Storage

This site is administered by the Pipeline and Hazardous Materials Safety Administration (PHMSA). It provides information concerning Safe Operations of Underground Gas Storage Facilities for Natural Gas.

Operator User Fee Assessment Information

Fiscal Year 2025 User Fee Assessment

This notice announces that the Fiscal Year 2025 user fee assessments were e-mailed to pipeline operators on April 3, 2025 .

Assessments must be paid in full, either by check (payable to U.S. Department of Transportation-PHMSA) or via the Pay.gov...

FY 2019 Operator User Fee Assessment Information

Fiscal Year 2019 User Fee Assessment

This notice announces that the Fiscal Year 2019 user fee assessments were mailed to pipeline operators on March 29, 2019.

Assessments must be paid in full, either by check (payable to U.S. Department of Transportation-PHMSA) or via the Pay.gov...

Energetic Properties of Thermite

PHMSA investigated different families of thermites to determine exclusion of certain thermite formulations from Class 1 without testing and for possible changes to transportation regulations.

Ongoing Projects

This page details ongoing projects OHMS's R&D program is funding.

 

Project Title Contractor

Metal Foams Development for Rail Cars - SBIR

Advanced Materials Manufacturing

Research and...