Hitchner Hall reopened at 2:15 p.m., Feb. 21 after a small chemical reaction in a third-floor hallway caused the building to be evacuated midday. No injuries were reported. As a precaution, four building occupants were sent to Cutler Health Center for observation. A laboratory manager was attempting to neutralize chlorine tablets in a five-gallon bucket read more Hitchner Reopens After Small Chemical Reaction Caused Evacuation Midday