The Detroit Refinery will be testing the new emergency alarm system on Wednesday, September 27th and Thursday, September 28th. There will be a voice message before the plant sounds the alarm stating that the refinery will be testing the alarm. Following the voice command, the alarm will sound for 1 minute.
This notification is for informational purposes only. There is no community action required, or impact to the community.
Safety is a core value for Marathon Petroleum, and we regularly conduct tests of our systems to ensure constant readiness.