AdvertisementEPA: Tar Sands Pipelines Should Be Held To Different StandardsApril 24, 2013Elizabeth ShogrenfacebookEmailAn oil sheen appears along the shore of the Kalamazoo River in August 2012. In July 2010, more than 800,000 gallons of tar sands oil entered Talmadge Creek and flowed into the Kalamazoo River, a Lake Michigan tributary. Heavy rains caused the river to overtop existing dams and carried oil 30 miles downstream. (NPR)