44.10.00 Air Pollution Control
44.11.00 Particulate Control Equipment
44.11.13 Fugitive Dust Control 44.11.16 Fugitive Dust Barrier Systems 44.11.19 Atmospheric Air Quality Monitoring Equipment 44.11.20 Gravitational Separators 44.11.31 Venturi Scrubbing Equipment 44.11.33 Spray Tower/Chamber Scrubbing Equipment 44.11.36 Cyclone Scrubbing Equipment 44.11.51 Pulse Jet Fabric Filtration Equipment 44.11.53 Reverse Flow Fabric Filtration Equipment 44.11.54 Shake/Deflate Fabric Filtration Equipment 44.11.56 Cartridge Filtration Equipment 44.11.59 Disposable Dry Filtration Equipment 44.11.71 Cyclone Dust Collection Equipment 44.11.73 Multicylone Dust Collection Equipment 44.11.76 Mist Elimination Equipment 44.11.93 Wet Electrostatic Precipitator Equipment 44.11.96 Dry Plate Electrostatic Precipitator Equipment