July 25th, 2010, Marshal District of Michigan State, USA

A piece of pipeline, operated by Enbridge, incurred cracking. The cracking caused 3192 m3 of crude oil leaking. The pipe was 6B from pipeline system of Enbridge, its leakage damage the surrounding environment seriously. As of July 25th 2012, the clearance was still underway when the investigation publicized.The direct economic loss was 767 million US dollars, 320 persons were exposed to the leaked crude oil, which caused them receiving different diseases.