Owner of nearby old post office building must keep exhaust fans running – Chicago Tribune (blog)
Owner of nearby old post office building must keep exhaust fans runningChicago Tribune (blog)The old post office will have to keep its 11 exhaust fans running 24/7 to prevent diesel fumes from backing up in the adjacent station, according to a consent decree reached among Amtrak, Union Station and the building's owner. The U.S. Postal…