Explosive chemicals at University of South Dakota prompt campus-wide closure
Research materials at Sioux Falls science labs became reactive after expiration, according to school
The discovery of old, unused research chemicals at a university in northwest Sioux Falls that had turned explosive led to a campus-wide closure Thursday morning.
The University of South Dakota announced the planned evacuation at its Sioux Falls campus near Marion Avenue and 60th Street North after expired peroxide-forming chemica…



