Spray Booth, Waterwash : A spray booth that is equipped with a water-washing system designed to minimize the concentrations of dusts or residues entering exhaust ducts and to permit the collection of the dusts or residues
NFPA 33 Standard for Spray Application Using Flammable or Combustible Materials, 2000 ed. https://law.resource.org/pub/us/cfr/ibr/004/nfpa.3 0.2003.pdf, (Std: Spray Application Using Flam&Comb Mtrl - Amer) {197 NFC}