Generally, Air Showers are self contained chambers normally installed at cleanroom entrances and other controlled areas.
Real Time particle monitoring requires placing a single handheld laser particle counter or a particle sensor at a designated location within the cleanroom.
They are powder free and sulphur free and are designed specially for cleanroom environment.
Nasa Administrator Charles Bolden tours a cleanroom at the Jet Propulsion Laboratory to see the progress on two Earth-observing missions under construction.
