The main purpose of the standard is to provide a methodology for establishing the safety and performance of packaged water reclamation systems through laboratory testing using synthetic grey water. Highlights specific issues of concern affecting the design, construction and installation of packaged water reclamation systems using grey water. Aimed at manufacturers, installers and end users of water reclamation systems using grey water. Takes account of information produced during the Buildings That Save Water (BTSW) project and the WRAS guidance concerning the use of reclaimed water for toilet flushing, irrigation and vehicle washing purposes in the UK. Main section headings are: Introduction, Classification of systems, Collection and distribution systems, safety issues, installation, commissioning, decommissioning, operating and maintenance, environmental impacts.