‘Rotten egg’ smell traced to Detroit Marathon refinery

A pungent rotten-egg smell originated from the Marathon Petroleum refinery in southwest Detroit, the Department of Environmental Quality (DEQ) discovered this weekend. The DEQ caught wind of the odors on Saturday and promptly investigated the issue, according to a department press release. State officials traced the smell to a refinery coke-flare system and said that … Continue reading ‘Rotten egg’ smell traced to Detroit Marathon refinery