As of 5:30 p.m. Monday crews from a fire department were at the scene working to address the situation. MOUNT PLEASANT, Mich. – The Dow Science Building at Central Michigan University was evacuated Monday afternoon due to a chemical spill. There were no illnesses or injuries caused by the chemical spill. Police have not provided any information on the chemical that spilled. As of 5:30 p.m. Monday crews from a fire department were at the scene working to address the situation.