Water Analysis - Comprehensive Parameter List

1 Choksi Laboratories LimitedPage 1 of 105 Water Analysis - Comprehensive Parameter ParameterTechniqueUnitsMethod RefMin. Sample SizeTurnaround TimeA. OrganolepticAppearanceVisual-APHA 211050 ml1 Day1 PColourVisualHazen UnitsIS 3025 (Part-4)-1983100 ml1 DayColourVisual Pt-Co MethodColour UnitsAPHA 2120 B150 ml1 DayColourSpectophotmetricnm, Hue, Luminance, PurityAPHA 2120 C150 ml1 DayPOdourOrganoleptic-IS 3025 (Part-5)-1983 50 ml1 DayOdour Threshold TestOrganoleptic Panel (5 10)Threshold Odour Number (TON)APHA 2150 B500 ml10 DaysPpH valueElectromeric MethodpH UnitsAPHA 4500 H+ B, IS-30250 mlOn-site / 1 DayPTasteOrganoleptic Panel (5 10)Integer Rating ( )IS 3025 (Part-8)-1984150 ml1 DayTasteFlavor Threshold Test (FTT)Flavour threshold Number(FTN)

2 APHA 2160 B500 ml10 DaysTasteFlavor Rating Assessment (FRA)Integer Rating ( )APHA 2160 C500 ml10 DaysFlavor Profile AnalysisOrganoleptic Panel (5 10) (FPA)Flavour & Intensity ProfileAPHA 2170 B2500 ml10 DaysPTurbidityNephelometerNTUIS 3025 (Part-10)-1984100 ml1 DayAPHA 2130B100 ml1 DayB. General Acidity, as CaCO3 Titration (Electromeric)mg/LAPHA 2310 B100 ml1 DayPAcidity, as CaCO3 Titrationmg/LIS 3025 (Part-22)-1986100 ml1 DayP1 Alkalinity (Total / Methyl Organge / M), as CaCO3 Titrationmg/LIS 3025 (Part-23)-1986100 ml1 DayAlkalinity (Total), as CaCO3 Potentiometric Titrationmg/LAPHA 2320 B100 ml1 DayP2 Alkalinity (Total), as HCO3 Titrationmg/LIS 3025 (Part-23)-1983100 ml1 DayPAlkalinility (as Phenolphthaleine Alkalinility / P)Titrationmg/LIS - 3025(23)-1986250 mlOn-site / 1 DayPAmmonia (NH4)Distillation / Titrationmg/LIS 3025 (Part-34)-1988250 ml2 DaysAmmonical Nitrogen(See Nitrogen Ammonia)

3 PAnionic Surface Active AgenUV-Vis Spectrophotometermg/LIS 13428 (Annexure-K)1000 ml2 - 10-09-06 Choksi Laboratories LimitedPage 2 of 10yAnions Scan 1 (F-, Cl-, Br-, NO3-, NO2-, PO43-, SO42- )Ion Chromatographmg/LAPHA 4110250 ml2 DaysPBicarbonates, as CaCO3 Titrationmg/LIS 3025 (Part-51)-2001100 ml1 DayPBiochemical Oxygen Demand ( BOD )3-Day BOD Test , 5-Day BOD Testmg/LAPHA 5210 B / IS 3025 (Part-44)-1993500 ml6 DaysBromateIon Chromatograph - Post Col. Reactormg/LEPA ml4 DaysBromide, as Br -Ion Chromatographmg/LAPHA 4110100 ml2 DaysBromide, as Br -Phenol Red Colorimetric Methodmg/LAPHA 4500 Br- B250 ml2 DaysPCarbon Dioxide, FreeTitrimetric Method For Free CarbonDioxidemg/LAPHA 4500 CO2C / 43 of 250 ml1 DayCarbon Dioxide, TotalCarbon Dioxide & Forms of Alkalinity bCalculationmg/LAPHA 4500 CO2 D250 ml2 DaysPCarbonates, as CaCO3mg/LIS 3025 (Part-51) -2001250 ml1 DayPChemical Oxygen Demand ( COD )Open Reflux Methodmg/LAPHA 5220 B / IS - 2488 (Part-4)

4 -1976100 ml3 DaysChemical Oxygen Demand ( COD Closed Reflux, Titrimetric Methodmg/LAPHA 5220 C100 ml3 DaysChemical Oxygen Demand ( COD Closed Reflux, Colorimetric Methodmg/LAPHA 5220 D100 ml3 DaysChloride, as Cl -Ion Chromatographmg/LAPHA 4110100 ml2 DaysPChloride, as Cl -Argentometric Methodmg/LAPHA 4500 Cl- B / IS - 3025 (Part-32)-1988250 ml1 DayChloride, as Cl -Mercuric Nitrate Methodmg/LAPHA 4500 Cl- C250 ml1 DayChloride, as Cl -Potentiometric Methodmg/LAPHA 4500 Cl- D250 ml1 DayPChlorine, Residual, as Cl2 Iodometric Method Img/LAPHA 4500 Cl B / IS - 3025 (Part 26) - 1986250 ml1 DayPChlorine, Residual, as Cl2 Spectrophotometric Methodmg/LIS - 3025 (Part 26)))

5 - 1986250 ml1 DayChlorine, Residual, as Cl2 Iodometric Method Img/LAPHA 4500 Cl C250 ml1 DayChlorine, Residual, as Cl2 Amperometric Titration Methodmg/LAPHA 4500 Cl D250 ml1 DayChlorine, Residual, as Cl2 Low Level Amperometric TitrationMethodmg/LAPHA 4500 Cl E250 ml1 DayChlorine, Residual, as Cl2 DPD Ferrous Titrimetric Methodmg/LAPHA 4500 Cl F250 ml1 DayChlorine, Residual, as Cl2 DPD Colorimetric Methodmg/LAPHA 4500 Cl G250 ml1 DayChlorine, Residual, as Cl2 DPD Colorimetric Methodmg/LAPHA 4500 Cl G250 ml1 DayChlorine, Monochloramine, as Cl2 Spectrophotometric Methodmg/LIS - 3025 (Part 26) - 1986250 ml1 DayChlorine, Dichloramine, as Cl2 Spectrophotometric Methodmg/LIS - 3025 (Part 26) - 1986250 ml1 DayPChlorine Dioxide, as ClO2 Iodometric Method mg/LAPHA 4500 ClO2 B250 ml1 - 10-09-06 Choksi Laboratories LimitedPage 3 of 10eChlorine Dioxide, as ClO2 Amperometric Method (Free Available Chlorine, Chloramine, chlorite , ClO2)mg/LAPHA 4500 ClO2 C500 ml1 DayChlorine Dioxide, as ClO2 DPD Method (Free Available Chlorine, Monochloramine, Dichloramine, Total Available Chlorine)mg/LAPHA 4500 ClO2 D500 ml1 DayChlorine Dioxide, as ClO2 Amperometric Method II ( chlorite , Chlorate, Chlorine Dioxide, Chlorine)

6 Mg/LAPHA 4500 ClO2 E500 ml1 DayCyanide, as CN -Total Cyanide after distillationmg/LAPHA 4500 CN- C500 ml2 DaysCyanide, as CN -Titrimetric Methodmg/LAPHA 4500 CN- D500 ml2 DaysCyanide, as CN -Colorimetric Methodmg/LAPHA 4500 CN- E500 ml2 DaysCyanide, as CN -Cyanides Amenable to Chlorination aftDistillationmg/LAPHA 4500 CN- G500 ml2 DaysCyanide, as CN -Cyanides Amenable to Chlorinationwithout Distillationmg/LAPHA 4500 CN- H500 ml2 DaysCyanide, as CN -Weak Acid Dissociable Cyanidemg/LAPHA 4500 CN- I500 ml2 DaysCyanide, as CN -Cyanogen Chloridesmg/LAPHA 4500 CN- J500 ml2 DaysCyanide, as CN -Spot Test for ScreeningQualitativeAPHA 4500 CN- K100 ml2 DaysP1 Cyanide, as CN -Semi-Quantitativemg/LMerck100 ml2 DaysP2 (required if CN- is +ve in P1)Cyanide, as CN -Total Cyanide after distillationmg/LIS-3025 (Part 27) - 1986500 ml2 DaysCyanide, as Cyanates, CNO-Cyanates (Ammonia SelectiveElectrode)mg/LAPHA 4500 CN- L500 ml0 Cyanide, as Thiocyanate, SCN -Thiocyanate (Spectrophotometric)mg/LAPHA 4500 CN- M500 ml2 DaysPDissolved OxygenTitration (Same as Oxygen, Dissolved)PElectrical ConductivityBy EC Meter mho/cmIS - 3025 (Part-14)-1984,A100 ml1 DayPEquivalent Mineral AcidityBy Calculationmg/LIS - 3025 (Part-14,23)

7 -1984250 ml1 DayFluoride, as F -Ion Chromatographmg/LAPHA 4110100 ml2 DaysFluoride, as F -Ion-Selective Electrode Methodmg/LAPHA 4500 F- C100 ml2 DaysFluoride, as F -SPADNS Methodmg/LAPHA 4500 F- D250 ml2 DaysFree CO2 See Carbon Dioxide, FreePFree Mineral AcidityFrom Alkalinitymg/LIS - 3025 (Part-23,11)-150 ml1 DayPHardness, as CaCO3 EDTA Titrimetric Methodmg/LAPHA 2340 C / IS - 3025 (Part-21)-1983100 ml1 DayHardness, as CaCO3 Hardness by calculationmg/LAPHA 2340 B100 ml1 DayPHydroxide, as CaCO3 Titration (From Alkalinitymg/LIS 3025 (Part-23)-1986100 ml1 DayPInorganic MatterGravimetric (Same as TDS)mg/LIS 3025 (Part-16)-1984500 ml1 DayPIodide, I -UV-Spectrophotometricmg/LIS - 3025(33)-1988100 ml1 DayIodide, I-Leuco Crystal Violet Method, mg/LAPHA 4500 I- B250 ml2 - 10-09-06 Choksi Laboratories LimitedPage 4 of 103 Iodine, as I2 Amperometric Titration Methodmg/LAPHA 4500 I C250 ml2 DaysIodine, as I2 Leuco Crystal Violet Methodmg/LAPHA 4500 I B250 ml2 DaysPMineral OiGravimetricmg/LIS - 3025(39)-19911000 ml2 DaysMineral OiExtractables - FTIRmg/LIS - 3025(39))

8 -19911000 ml2 DaysNitrate, as NO3 -Ion Chromatographmg/LAPHA 4110100 ml2 DaysP2 Nitrate, as NO3 -Spectrophotometric Method / Same asNitrogen Nitritemg/LAPHA 4500 NO3- B250 ml2 DaysP1 Nitrate, as NO3-Chromotropic Methodmg/LIS - 3025(34)-1988250 ml1 DayNitrite, as NO2-Ion Chromatographmg/LAPHA 4110100 ml2 DaysPNitrite, as NO2-Spectrophotometric Method (Same as Nitrogen Nitratemg/LAPHA 4500 NO2- B / IS - 3025(34)-1988250 ml2 DaysPNitrogen, as NOrganic Nitrogen / Kjeldhal Nitrogenmg/LIS - 3025(34)-1988250 ml2 DaysNitrogen, as NPersulfate Methodmg/LAPHA 4500 N C250 ml2 DaysPNitrogen Ammonia, as NH3 -NTitrimetric Methodmg/LAPHA 4500 NH3 C / IS 3025 (Part 34) - 1988250 ml1 DayNitrogen Ammonia, as NH3 -NPhenate Methodmg/LAPHA 4500 NH3 F250 ml1 DayPNitrogen Nitrate, as NO3 - NSame as Nitrate, IS MethodNitrogen Nitrate, as NO3 - NUltraviolet SpectrophotometricScreening Methodmg/LAPHA 4500 NO3- B250 ml2 DaysPNitrogen Nitrite, as NO2 - NColorimetric Methodmg/LAPHA 4500 NO2- B / IS - 3025(34))

9 -1988250 ml2 DaysPNitrogen, OrganicMacro-Kjeldahl Methodmg/LAPHA 4500 N ORG B1000 ml2 DaysPOil and GreaseSame as Mineral Oil (IS Method - Gravimetric)Oil and GreaseSoxhelt Extraction Methodmg/LAPHA 5520 D1000 ml2 DaysOil and GreasePartition Infrared Methodmg/LAPHA 5520 C / IS - 3025(1000 ml2 DaysOil and GreasePartition Gravimetric Methodmg/LAPHA 5520 B1000 ml2 DaysOil and GreaseHydrocarbonsmg/LAPHA 5520 F1000 ml7 DaysPOrganic MatterGravimetric Methodmg/LIS: 3025 (Part 18) - 1984100 ml2 daysPOxidant Demand, Chlorine DemandComparison Methodmg/LAPHA 2350 B / IS: 3035 (Part 25) - 19861500 ml3 DaysOxidant Demand, Chlorine Dioxide DemandComparison Methodmg/LAPHA 2350 C1500 ml3 DaysP1 Oxygen, Dissolved, as DOIodometric Method mg/LAPHA 4500 O B / IS - 3025 (Part-38)-1989300 mlOn-site / 1 DayP2 Oxygen, Dissolved, as DOAzide Modificationmg/LAPHA 4500 O C / IS - 3025 (Part-38))

10 -1989300 mlOn-site / 1 DayOxygen, Dissolved, as DOPermanganate Modificationmg/LAPHA 4500 O D500 mlOn-site / 1 DayOxygen, Dissolved, as DOCopper Sulfate-Sulfamic Acidmg/LAPHA 4500 O F500 mlOn-site / 1 DayOzone, as O3 Indigo Colorometric Methodmg/LAPHA 4500 O3 B500 mlOn-site / 1 DayPOzone, as O3 Titration Methodmg/LIS-3025 (Part 36) - 19871000 mlOn-site / 1 - 10-09-06 Choksi Laboratories LimitedPage 5 of 10 PPhenolic Compounds, Total / PhenolsUV-Vis Spectrophotometermg/LAPHA 5530 D / IS - 3025(43)-1992 500 ml2 DaysPhenolic Compounds, Total / PhenolChloroform Extraction Method, UVmg/LAPHA 5530 C1000 ml3 DaysPhenolic Compounds / Phenols, IndividuaEstimationGC-FID/MSmg/LAPHA, IS1000 ml3 DaysPhenolphthalein AlkalinitySee Alkalinility (Phenolphthalein Alkalinility)PPhosphorus, as PVanadomolybdophosphoric Acidmg/LAPHA 4500 P C / IS-3025 (Parat 31) 1988250 ml, 100 2 DaysPhosphorus, as PStannous Chloride Methodmg/LAPHA 4500