Table 1.
Anion | Cation | Chemical | Physical | Biological | Heavy Metal |
---|---|---|---|---|---|
Chloride | Sodium | pH | EC | E. coli | Boron |
Sulphate | Calcium | DO | |||
Carbonate | Potassium | COD | |||
Bicarbonate | Magnesium | ||||
Total nitrogen |
DO = dissolved oxygen; COD = chemical oxygen demand; EC = electrical conductivity; E. coli = Escherichia coli.