1. WHO
, Safe Piped Water: Managing Microbial Water Quality in Piped Distribution Systems, IWA Publishing, London, UK, 2004
2. SMEWW
, in Standard Methods for the Examination of Water and Wastewater, American Public Health Association; American Water Works Association; Water Environment Federation, Maryland, US, 20th edn, 1999
3. K.
Addy
, L.Green and E.Herron, pH and Alkalinity, University of Rhode Island Technical Report, 2004
4. Hardness screening of water using a flow-batch photometric system
5. J. E.
Girard
, Principles Of Environmental Chemistry, Jones & Bartlett Learning, Burlington, MA, 3rd edn, 2013