Substance or Property

Max.Acceptable

Rejection Level

Total Solids

500 mg/1

1500 mg/1

Colour

5 units

50 units

Turbidity

5 units

25 units

Taste

Unobjectionable

-----

Odour

Unobjectionable

-----

Iron(Fe)

0.3 mg/1

1.0 mg/1

Manganese(Mn)

0.1 mg/1

0.5 mg/1

Copper(Cu)

1.0 mg/1

1.5 mg/1

Zinc(Zn)

5.0 mg/1

1.5 mg/1

Calcium(Ca)

75 mg/1

200 mg/1

Magnesium(Mg)

50 mg/1

150 mg/1

Sulfate(SO4)

200 mg/1

400 mg/1

Chloride(Cl)

200 mg/1

600 mg/1

pH range or greater than 9.2

7.0-8.5

Less than 6.5

Manesium + Sodium Sulphate

500 mg/1

1000 mg/1

Phenolic Substances(as pheno)

0.001 mg/1

0.002 mg/1

Carbon Chloroform extract (CCE,organic pollutants)

0.2 mg /1

0.5 mg/1

Alkyl benzyl Sulfonates (ASS,surfactants)

0.5 mg /1

1.0 mg/1