TEST

1. Microbiological Analysis of drinking water - Enumeration

E.coli
Coliform
Legionella
Feacal streptococci and Staphylococcus aureus
Sulphite reducing anaerobes
Pseudomonas aeuroginosa
Aerobic microbial count
Yeast and mould
Salmonella and shigella
Vibrio cholerae and Vibrio parahaemolyticus
Virucidal Efficacy Estimation with MS2 and phi X 174 coliphages in water purifiers
Virucidal Efficacy Estimation with Saccharomyces cerevisiae reduction in water purifiers
Cyst enumeration test

2. Chemical analysis of drinking water

Turbidity, Colors, Total Dissolved Solids, pH
Barium, Copper, Iron, Manganese, Zinc, Silver, Aluminium, Selenium, Calcium, Megnesium,
Sodium, Potassium, Antimony, Cadmium, Arsenic, Lead, Chromium, Nickel
Borate, Nitrate, Nitrite, Fluoride, Chloride, Sulphate and Cyanide
Residual Chlorine, Total hardness and Alkalinity
Phenolic compounds as C₆H₅OH, Polychlorinated biphenyls as PCB,
Polynuclear aromatic hydrocarbons, Pesticides and Mineral Oil
Anionic Surface active agents as MBAS
VOCs and SVOCs

3. Product performance evaluation of water purifiers - Microbiological reduction

4. Product performance evaluation of water purifiers - Chemical reduction

5. Product evaluation as per NSF / ANSI 42, 53, 55

NSF / ANSI - 42	NSF / ANSI - 53	NSF / ANSI - 55	NSF/ANSI 58
Materials in contact with Drinking Water	Materials in contact with Drinking Water Volatile organic compounds Semi Volatile organic compounds Regulated and other metallic elements Nitrosamines	Materials in contact with Drinking Water	Materials in contact with Drinking water
Materials evaluation	Materials evaluation	Materials evaluation	Material evaluation
Structural performance	Design & Construction	Structural performance	Structural performance
Structural integrity	Working pressure Performance indication of chemical reduction capacity Elements Flow control Waste connections Product water dispensing outlets Hazards Systems used in bottled water plants Operating temperature	Structural integrity	Structural integrity
Minimum performance requirements	Chemical, mechanical and structural performance	Minimum performance requirements	Minimum performance requirements
Elements Waste connections Product water dispensing outlets Hazards Operating temperature Electrical safety and operation Rated service flow Minimum service flow	Active ingredients and additives Aesthetic effects claims Chemical reduction claims Mechanical filtration reduction claims Structural integrity Filter media Rated pressure drop Minimum service flow	Elements Waste connections Product water dispensing outlets Hazards Operating temperature Electrical safety and operation Rated service flow Minimum service flow	Flow control
Mandatory testing for elective claims	Mandatory testing for elective claims		Reject water connections
General requirements Bacteriological performance Chemical reduction testing requirement Chloramines reduction requirement Chlorine reduction requirement Hydrogen Sulphide and phenol reduction Iron and Manganese reduction requirement pH adjustment requirements Zinc reduction requirements		General requirements Microbiological performance	Storage tank capacity
Mechanical reduction testing			Product water dispensing outlets
Nominal particulate reduction (85%) classes Scale control testing			Drinking water fountain outlets
Installation, operation, and maintenance instructions	Installation and information	Installation and information	Performance indication
Data pale Replacement Components Performance data sheet	Data pale Replacement Components Performance data sheet	Data pale Replacement Components Performance data sheet	TDS reduction, recovery rating, and efficiency rating,
			Elective performance claims
			Chemical reduction claims
			Mechanical filtration claims
			Instructions and Information

6. National standards

IS14724:1991 (RA2009) Ultraviolet-Based Water Purifiers — Specification
IS16240:2015 Reverse Osmosis-Based Point-of-Use Water Treatment systems — Specification
WQIA Protocol: IP 100 Guide Standard and Protocol for Microbiological Evaluation of Drinking Water Treatment Devices
IAPMO WPSC-01:2019 Evaluation of point of use water purification systems – specification

7. International standards

NSF/ANSI 42 Drinking Water Treatment Units — Aesthetic Effects
NSF/ANSI 53 Drinking Water Treatment Units — Health Effects
NSF/ANSI 55 Ultraviolet Microbiological Water Treatment Systems
NSF/ANSI 58 Reverse Osmosis Drinking Water Treatment Systems
WQA S — 200 Voluntary Industry Standard for Residential & Commercial Water Filters
WQA S — 300 Voluntary Industry Standard for Point-Of-Use Low Pressure Reverse Osmosis Drinking Water Systems
NSF P231 Microbiological Water Purifiers
WHO Evaluating Household Water Treatment Options: Health-Based Targets and Microbiological Performance Specifications: 2011
US EPA Guide Standard and Protocol for Testing Microbiological Water Purifiers

8. Product evaluation includes

Chlorine reduction
Chloramine reduction
Turbidity reduction
TDS reduction
Lead reduction at pH 6.5 and 8.5
Arsenic III and V reduction tests at pH 6.5 and 8.5
Reduction tests of various other metals, namely mercury, chromium, cadmium, copper, selenium, etc.
Klebsiella, E. coli, MS2 phage reduction tests
Cyst reduction (microspheres) tests

9. Other testing facilities

Global migration of plastics
Metal leaching tests
Quality characteristics of detergents and sanitizers
Autopsy of RO membranes
ISO221961 Plastics- Measurement of antibacterial activity on plastic surfaces
JISZ2801 Antimicrobial products – Test for antimicrobial activity and efficacy
NSF/ANSI 372 Drinking water Systems components – Lead content
WEP- I ( Water efficiency Products) testing for water faucets, valves, mixers, sanitary water closets and cisterns
Faucet Life cycle testing as per ASME standard. Customised protocols are considered