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Water Testing Parameters

Organoleptic and Physical Parameters

Characteristics Method for Test Ref. to IS
Colour, true colour units / Hazen units 3025 (Part 4)
Odour 3025 (Part 5)
Taste 3025 (Part 8)
Temperature, Deg.C 3025 (Part 9)
Turbidity, NTU 3025 (Part 10)
pH 3025 (Part 11)
Specific electrical conductivity at 25 Deg.C (µS/cm) 3025 (Part14)
Total solids or non volatile residue at 105 Deg.C, mg / L 3025 (Part 15)
Total Dissolved solids (TDS), mg / L 3025 (Part 16)
Total Suspended Solids (TSS) or suspended matter, mg / L 3025 (Part 17)
Organic Solids, mg / L 3025 (Part 18)
Inorganic Solids, mg / L 3025 (Part 18)
Acidity, mg / L 3025 (Part 22)
Total Alkalinity (as CaCO3), mg / L 3025 (Part 23)
Colour retention of KMnO4 at 27 x 2 Deg.C Minutes 1070 (Annex A)
Oxidizable matter 1069 (A-3)
Oxygen absorbed in 4 hrs. at 27 Deg.C, mg / L 51 of IS3025: 1964
Dissolved oxygen (DO) (as O2), mg / L 3025 (part 38)