Environmentalists ask Chicago mayor to investigate BP oil spill
By Tara Kadioglu Post-Tribune
March 25, 2015
Environmentalist claim heavy oil leak was tar sands
Environmental activists delivered a letter to Mayor Rahm Emanuel Wednesday demanding a public report and investigation into at least 1,600 gallons of heavy crude oil spilled into Lake Michigan last year from BP's Whiting refinery.
BP confirms oil spill into Lake Michigan from Whiting refinery