BS DD 8489-4:2011 Fixed fire protection systems. Industrial and commercial watermist systems. Tests and requirements for watermist systems for local applications involving flammable liquid fires
2016BS 8489-4:2016 Fixed fire protection systems. Industrial and commercial watermist systems. Fire performance tests and requirements for watermist systems for local applications involving flammable liquid fires
2011BS DD 8489-4:2011 Fixed fire protection systems. Industrial and commercial watermist systems. Tests and requirements for watermist systems for local applications involving flammable liquid fires