One of the most impactful and chilling calculations in pipeline safety is a simple radius: the Potential Impact Radius (PIR). This invisible circle is used by pipeline operators to estimate the area where a gas pipeline failure could … [Read more...] about The Potential Impact Radius and What We Don’t Know
Safety Regulations
Letter to PHMSA: Request to Update Office of Pipeline Safety Organization Chart
PHMSA’s Denial of Pipeline Safety Trust’s Petition for Reconsideration and Request for Stay of Effective Date of Final Rule, Pipeline Safety: Clarifying Recordkeeping Requirements for Testing in MAOP Reconfirmation Regulation (Docket No. PHMSA-2025-0117)
What are Pipeline Safety Management Systems or PSMS?
It’s 2010, the scene - Talmadge Creek, Marshall, Michigan. Talmadge Creek is a tributary of the Kalamazoo River, a critical waterway that spans 10 Michigan counties and ultimately empties into Lake Michigan. On Sunday, July 25, an Enbridge … [Read more...] about What are Pipeline Safety Management Systems or PSMS?
LNG Expansion Outpaces Oversight
Liquified natural gas (LNG) is natural gas that has been cooled to about - 260°F (- 163 °C) to a liquid 600 times denser than its gaseous state. LNG facilities are rapidly increasing in the United States, bringing with them increased risk … [Read more...] about LNG Expansion Outpaces Oversight
Letter to PHMSA: Non-compliance with Web Chart Obligations Under Section 106 of the Protecting our Infrastructure of Pipelines and Enhancing Safety Act of 2020
In St. James Parish, Exxon plans to lay carbon pipeline alarmingly close to homes, businesses
In St. James Parish, Exxon plans to lay carbon pipeline alarmingly close to homes, businesses By Delaney Nolan, The Lens, and Emily Sanders, Exxonknews (Sept. 18th, 2025) After that incident, advocates and pipeline safety experts … [Read more...] about In St. James Parish, Exxon plans to lay carbon pipeline alarmingly close to homes, businesses
California’s carbon pipeline moratorium may end next year
California’s carbon pipeline moratorium may end next year By Carlos Anchondo, Politico (Sept. 17, 2025) The nonprofit Pipeline Safety Trust, which provided technical assistance on the California legislation, said it includes … [Read more...] about California’s carbon pipeline moratorium may end next year