HazMat response for chemical spill in Hillside on Mannheim Rd during thunderstorms Wednesday night

chicagobreakingnews.com Hydrofluoric acid chemical spill ... MABAS Level 3 HazMat Alarm ... Specific chemical use at scene not available, but HF is highly corrosive acid used for glass etching and metal cleaning; hydrofluoride gas is severe poison Wikipedia Hydrofluoric acid ... MAP/SAT/Street View