The monthly Central Alert system phone calls finally paid off for a few hundred students with classes Friday in the Dow Science Complex.
The university closed the building because of chemical exposure on the third floor.
The emergency notification system, which has 8,471 registered users, sent out text messages, phone calls and e-mails, as well as alerted students over loudspeakers and sirens across Central Michigan University’s campus.

When the Dow Science Complex experienced a chemical spill last Friday, officials did well to contain problem

A slideshow from Friday.

The university shut down the Dow Science Complex and canceled classes today after a base-filled beaker dropped to the ground, releasing potentially dangerous chemicals.