FILE – In this Oct. 25, 2013 file photo, petroleum coke, or petcoke, is watered down where it is stored along the Calumet River on Chicago’s southeast side. The Pollution Control Board is scheduled to meet Thursday, Jan. 23, 2014, in Chicago to consider Gov. Pat Quinn’s proposed emergency regulations for petroleum coke. Quinn says he’s responding to complaints from Chicago residents that petroleum coke piling up on the city’s southeast side is a health and environmental threat. (AP Photo/Charles Rex Arbogast, File)