A form of partial containment held at negative pressure by mechanical ventilation comprising an enclosed chamber accessible via a sliding/sash door. Used mainly for materials possessing toxic, corrosive or flammable characteristics. Found on http://www.encyclo.co.uk/local/20474
A form of partial containment held at negative pressure by mechanical ventilation comprising an enclosed chamber accessible via a sliding/sash door. Used mainly for materials possessing toxic, corrosive or flammable characteristics.