Cross References:BS 4190BS EN 545BS EN 681-1:1996BS EN 1092-1BS EN 1092-2BS EN 1563BS EN 10025-2BS EN 10088-2BS EN 12201-1:2011BS EN 12201-2:2011BS EN 14901BS EN ISO 1167-1:2006 BS EN ISO 3506-1BS EN ISO 9445BS ISO 3384WIS 4-52-01/02 WIS 4-52-03BS 10BS 4504Water Supply (Water Fittings) Regulations 1999Scottish Water Byelaws 2004Water Regulations (Northern Ireland) 2006Water Supply (Water Quality) Regulations 2000Water Supply (Water Quality) Regulations (NorthernIreland) 2007Water Supply (Water Quality) (Scotland) Regulations2001Water Supply (Water Quality) (Wales) Regulations 2010Private Water Supplies Regulations 2009Private Water Supplies Regulations (Northern Ireland)2009Private Water Supplies (Scotland) Regulations 2006Private Water Supplies (Wales) Regulations 2010WIS 4-32-19BS 8558BS EN 805BS EN 1333