1. World Health Organisation , Guidelines for Drinking-water Quality , Geneva, Switzerland , 4th edn, 2011
2. Drinking Water Inspectorate , Drinking water quality in England: The position after 25 years of regulation , London , 2015
3. European Commission , Synthesis Report on the Quality of Drinking Water in the Union examining Member States' reports for the 2011-2013 period, foreseen under Article 13(5) of Directive 98/83/EC. COM/2016/0666 final , Brussels , 2016
4. NRMMC , Australian Drinking Water Guidelines Paper 6 National Water Quality Management Strategy , National Health and Medical Research Council, National Resource Management Ministerial Council, Commonwealth of Australia , Canberra , 2011