[Updated at 4:58 p.m.
The roadways have reopened and the Los Angeles Fire Department has completed its inspection of the building and left the scene. Once county health inspectors declare the building safe for reoccupation, another BruinAlert will be sent out, university spokesman Phil Hampton said.]
Updated at 4:06 p.m.
A south campus building was evacuated Thursday when three facility workers encountered chlorine dioxide in a crawl space where it was not supposed to be.
The Biomedical Sciences Research Building and the area surrounding it on Charles E. Young, from Tiverton Avenue to Westholme Boulevard, have been closed while the county health inspectors and Los Angeles Fire Department inspect the building for reoccupation, said university spokesman Phil Hampton.