Transcription of WATER QUALITY STANDARDS - India Water Portal
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WATER QUALITY STANDARDS - India Water Portal
WATER QUALITY STANDARDSI ndian Standard forDrinking WATER - SpecificationIS 10500 : 1991 Technical Terms BIS ( bureau of Indian STANDARDS ) Desirable limits Permissible limit PPM NTU Hazen Units Colour, Hazen UnitsIS 10500-1991 Desirable : 5 Hz. , Permissible : 25 or effectsVisible tint, acceptance decreasesSourcesTannins, Iron, Copper, ManganeseNatural depositsTreatmentFiltration, Distillation, Reverse osmosis, Ozonisation OdourIS 10500-1991 UnobjectionableRisks or effectsRotten egg, Musty, ChemicalSourcesChlorine, Hydrogen sulfide, Organic matter, Septic contamination, Methane gasTreatmentActivated carbon, Air stripping, oxidation, Filtration pHIS 10500-1991 Desirable , Permissible.
Technical Terms • BIS (Bureau of Indian Standards) • Desirable limits • Permissible limit • PPM • NTU • Hazen Units
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