On Sunday, Sept. 9, the Detroit Refinery will begin a scheduled shutdown for routine maintenance. The shutdown process will take approximately one week. During this time, you may observe an increase in vehicle traffic for the workers at the site. Additionally, the flares may appear larger than during normal operation. Should you have a concerns or questions, please contact the refinery’s community hotline number: 313-297-MARA (6272). We will provide an additional notice when the refinery is ready to resume normal operation.