1. BS EN 805:2000—Water supply;BSI,2000
2. BS EN 806-2:2005—Specifications for Installations Inside Buildings Conveying Water for Human Consumption;BSI,2005
3. BS 8558:2015 Guide to the Design, Installation, Testing and Maintenance of Services Supplying Water for Domestic Use Within Buildings and Their Curtilages. Complementary guidance to BS EN 806;BSI,2015
4. BS 7592: 2008 Sampling for Legionella Bacteria in Water Systems;BSI,2021