WASHINGTON, Oct. 10 -- Pipeline and Hazardous Materials Safety Administration has issued a notice called: Pipeline Safety: Request for Special Permit; Columbia Gas Transmission System (TCO).
The notice was published in the Federal Register on Oct. 10 by Linda Daugherty, Acting Associate Administrator for Pipeline Safety.
Summary: On June 26, 2025, PHMSA published a notice to solicit public comment on a request for a special permit from Columbia Gas Transmission, LLC (TCO), a subsidiary of TC Energy. The comment period closed on July 28, 2025. PHMSA is issuing this notice to extend the comment period for an additional 15 days to give the public more time to review the proposed special permit action and updated documents. At the conclusion ...