PHMSA pipeline special permit PHMSA-2006-24058. Operator: Portland Natural Gas Transmission System. System: Gas Transmission. Issue date: 2007-12-17. Renewal: May 22, 2023.

This is an issued PHMSA special permit. The issued index does not establish current validity or applicability beyond the facilities and conditions stated in the official decision.

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Retrieved: Aug 20, 2026
Version: 2007-12-17

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