4 002533- - c. Wet scrubbers are recommended for collection of: n Particles or particulate matter that is • Soluble or insoluble • Sticky • Potentially combustible or explosive • Difficult to remove in a dry form n Gas that is • Soluble • Acidic (e.g., hydrogen chloride) • Alkaline (e.g., ammonia) • VOC (e.g., ethanol) • Corrosive