The Pipeline and Hazardous Materials Safety Administration directed South Bow to submit the failed section of pipe to a third-party lab for mechanical and metallurgical testing, the agency said in a statement Friday.
Regulators order corrective action as Keystone Pipeline operators aim to restore service
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The Pipeline and Hazardous Materials Safety Administration on Tuesday said the company must also submit and the agency must approve a restart plan before the line in Cook Inlet can resume operations.
Hilcorp ordered to replace aging Alaska pipeline after leak
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