TEST PARAMETER DETAILS

AWRTCL provide testing services for the following

Drinking Water /Packaged Drinking water

Physico chemical, inorganics, Heavy metals1, Pesticides2, TDS, health hazardous chemical contaminants like and other various hazardous constituents like chlorination byproducts (THMs)3, PCBs4, PAHs5, anionic surface-active agents as MBAs, phenolic compounds as C6H5OH5 etc, Mineral Oil.

Physico chemical parameters

Colour, odour, taste, pH, Turbidity, Total Dissolve solids, Chloramine, Residual Free chlorine, Alkalinity as CaCO3, Hardness as CaCO3, Calcium, Magnesium, Chloride, Fluoride, Nitrate, Nitrite, Ammonical Nitrogen, Boron, Iron, Cyanide, Sulphate, Sulphide, bromate etc.

1 Heavy metals: Arsenic,Barium,Cadmium,Chromium,Copper,Lead,Mercury,Manganese,Molybdenum,Nickel,Selenium,Silver,Zinc, Antimony

2 Pesticides:

Atrazine, Alachlor, Aldrine & Dieldrine, Alpha H CH, Beta HCH, Lindane, Delta HCH, Butachlor, Chlorpyriophos, 2,4 D, DDT, op, pp, DDE op,pp, DDD op, pp, Endosulphan, Alpha, Beta and SO4. Ethion, Isoproturon, Malathion, Methyl Parathion, Monochrotophos, Phorate,

3 THMs

Bromoform, Dibromochloromethane, Bromodichloromethane, Chloroform

4 PCBs – Refer Annexure-1

5 PAHs – Refer Annexure-1

Microbiological parameters 

Total Coliforms, Fecal Coliforms, E.Coli, Fecal streptococci, Staphylococcus aureus,

Sulphite-reducing anaerobes, Pseudomonas aeruginosa, Total bacterial count, Aerobic microbial count at 20-220C and at 370C, Yeast and mould, Salmonella, Shigella, Vibrio cholerae and Vibrio parahaemolyticus

See annexure-2 for details of testing and methods

Waste Water

Physico chemical:

Colour, odour, pH,Turbidity, Total Dissolve solids, Residual Free chlorine, BOD of 3 days at 270C / 5 day at 200C, Total nitrogen, Nitrate, Ammonical Nitrogen and Kjeldahl Nitrogen (subcontracted), conductivity, MLSS, MLVSS and various metals and Pesticides etc.

 

Bacteriological

Total Coliforms, Fecal Coliforms, E.Coli 

 

Swimming Pool Water

Physico chemical:

Colour, odour, pH, Turbidity, Total Dissolve solids, Residual Free chlorine, Total Alkalinity, Aluminium, Heavy metals as Lead, Iron,

Oxygen absorbed in 4 hr at 27 0C, Chloride, 

 

Bacteriological

Total Coliforms, Standard plate count  

 

FOOD Microbiology

Total Coliforms, E.Coli, Salmonella, Shigella, Yeast & Mold in cooked foods,

Presence or absence of Soda content in Cooked rice

 

Performance evaluation of water purifiers — Chemical & Microbiological reduction tests

As per following standards

 

Product evaluation as per Indian Standards

IS14724:1999 (RA 2009) 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

 

Product evaluation as per International standards: NSF/ANSI standards

 

NSF/ANSI 42 Drinking Water Treatment Units — Aesthetic Effects

Chlorine reduction

Chloramine reduction

Bacteriostatic tests

 

NSF/ANSI 53 Drinking Water Treatment Units — Health Effects

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.at pH 6.5 and 8.5

Turbidity reduction

VOC reduction by surrogate chemical – Chloroform

Atrazine reduction

Lindane reduction

Fluoride reduction

Nitrate/Nitrite reduction

Cyst reduction by 3 micron microsphere

 

NSF/ANSI 55 Ultraviolet Microbiological Water Treatment Systems

Microbiological performance 

 

NSF/ANSI 58 Reverse Osmosis Drinking Water Treatment Systems

TDS reduction

Metal reduction

Cyst reduction

 

For all the above standards, structural integrity and cyclic tests are also conducted. Material extraction tests will be subcontracted

 

WQA S -200 Voluntary Industry Standard for Residential & Commercial Water Filters

Similar to NSF/ANSI 42 (Material extraction is exempted)

 

WQA S -300 Voluntary Industry Standard for Point-Of-Use Low Pressure Reverse Osmosis Drinking Water Systems

Similar to NSF/ANSI 58 (Material extraction is exempted)

 

NSF protocol 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 1985

Microbiological performance with Klebsiella, MS2 phage and 3 micron microspheres.

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