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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

Pipeline Safety: Grant of Waiver; Columbia Gas Transmission

Notice; grant of waiver.

Columbia Gas Transmission requested a waiver of compliance with the regulatory requirements at 49 CFR 192.611(d) which require natural gas pipeline operators to confirm or revise the maximum allowable operating pressure (MAOP) of their natural gas pipelines within 18-months after a class location change.

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