Research Article
Cytotoxicity, Genotoxicity, and Phytotoxicity of Tannery Effluent Discharged into Palar River Basin, Tamil Nadu, India
Table 2
Average concentration of metals and anions in the tannery effluent collected from Palar River (all values are mean range for three observations each).
| Sr. number | Metals | Concentration in tannery effluent (mg/L) | USEPA guidelines (mg/L) |
| 1 | Lead | 2.98 | 0.2 | 2 | Iron | 5.21 | 0.3 | 3 | Cobalt | 3.83 | 0.03 | 4 | Copper | 3.12 | 1.0 | 5 | Zinc | 5.73 | 1.0 | 6 | Manganese | 4.11 | 1.0 | 7 | Chromium | 9.21 | 0.1 | 8 | Nickel | 11.79 | 0.1 | 9 | Arsenic | 1.46 | 0.05 | 10 | Magnesium | 3.87 | 1.0 | 11 | Cadmium | 2.26 | 0.1 | 12 | Nitrate | 78 | 50 | 13 | Nitrite | 129 | 12 | 14 | Phosphate | 16.9 | 5 | 15 | Sulphate | 776 | 250 | 16 | Chloride | 187 | 200 |
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