The Dallas Fire Rescue Hazardous Material and Explosive Ordinance teams were called out to the Hockaday School, located at 11600 Welch Road, this morning to dispose of a miniscule amount of Acetone Peroxide. Small amounts of Acetone Peroxide are typically used in school science experiments. The facility was evacuated as a precaution.
Go here for more information.
Information provided by Dallas Fire Rescue.