Over the years, commercial garage facilities have been experiencing serious safety hazards due to their potential for explosion and fire. For instance, service pits in the facilities have been trapping workers under burning vehicles, leading to electrocutions and terrible injuries because of the concentration of water and many flammable liquids. 

PERC (Perchloroethylene) is an effective and the most commonly used solvent in dry cleaning shops in the United States. Unfortunately, PERC is a volatile organic solvent that may pose serious hazards to workers if exposure isn’t properly controlled. For instance, at high levels, PERC vapors can cause workers to feel