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"Plus, NTSB Investigators said a \"culture of deviance\" delayed Enbridge's response once the 2010 was first detected."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/energy-disasters/faults-leading-2010-michigan-tar-sands-spill-known-pipeline-operator-5-years.html>