Failed Wisconsin Oil Pipe Section Heads to Lab, U.S. Says

The section of an Enbridge Energy Partners LP pipeline that leaked crude will be sent to a metallurgical laboratory to determine the cause of the release that shut part of the world’s longest oil pipeline, U.S. regulators said.

All the pooled oil has been cleaned up at the site of the July 27 leak from Line 14 near Grand Marsh, Wisconsin, Patricia Klinger, a spokeswoman for the Transportation Department’s Pipeline and Hazardous Materials Safety Administration, said in an e-mailed statement today. An estimated 1,200 barrels (50,400 gallons) spilled.