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I have took some water from the Contractor's purification plant and sent to reputable water testing laboratory.The tested parameters were pH,electrical conductivity,total dissolved solids,settable matter,turbidity,colour,phenohthalin alkalinity,total alkalinity,total hardness,corbonate hardness,non carbonate hardness,calcium,magnesium,sodium,potassium,iron,manganese,ammonical nitrogen,nitrite nitrogen,orthophosphate,sulphate,chloride,fluoride and permanganate value.The testing laboratory has already submitted the test results to me.But I don't have any literature to compare with the test results,literature which give the minimum and maximum requirements.If some one knows the literature which give the maximum and mimimum requirements can assist.

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