PHMSAFinal Rule
Pipeline Safety: Standards Update—API STD 620
EnergyEnvironmentTransportation
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Summary
This regulation updates federal safety standards for large storage tanks used in pipelines that carry liquids and gases. The changes ensure these tanks are built and maintained to prevent leaks, spills, and accidents that could harm communities and the environment.
Key Points
- 1The Pipeline and Hazardous Materials Safety Administration (PHMSA) is updating how large storage tanks must be designed, built, and tested to improve safety
- 2The new standards are based on API STD 620, an industry guideline that sets technical requirements for welding, materials, and structural integrity of tanks
- 3Companies that own and operate pipelines and storage facilities must comply with these updated safety standards
- 4The changes help prevent tank failures that could lead to spills of oil, natural gas, or chemicals into the environment or nearby communities
- 5Pipeline operators will need to review their existing tanks and may need to upgrade equipment or modify their maintenance procedures to meet the new requirements
Key Dates
Published
October 2, 2025
This summary is for informational purposes only. It may not capture all nuances of the regulation. Always refer to the official text for authoritative information.
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