Sampling Points | Depth of layers from the surface level (cm) | Cr (mg/kg) | Pb (mg/kg) | Cd (mg/kg) | Zn (mg/kg) |
Point-1 | 0 - 15 | 561.71 | 70.58 | 2.25 | 158.23 |
| 15 - 30 | 220.89 | 42.95 | 1.28 | 118.52 |
| 30 - 45 | 90.09 | 26.61 | 0.88 | 98.73 |
Point-2 | 0 - 15 | 423.43 | 65.21 | 2.01 | 137.31 |
| 15 - 30 | 191.73 | 38.90 | 1.26 | 107.65 |
| 30 - 45 | 33.25 | 26.29 | 0.98 | 101.48 |
Point-3 | 0 - 15 | 290.67 | 31.09 | 1.12 | 73.5 |
| 15 - 30 | 34.20 | 26.31 | 0.898 | 121.33 |
| 30 - 45 | 28.72 | 26.50 | 0.7660 | 107.33 |
Point-4 | 0 - 15 | 230.15 | 30.73 | 1.01 | 107.23 |
| 15 - 30 | 98.88 | 27.29 | 0.97 | 115.66 |
| 30 - 45 | 33.33 | 24.37 | 0.81 | 103.15 |
Point-5 | 0 - 15 | 170.83 | 27.97 | 0.93 | 123.72 |
| 15 - 30 | 35.63 | 26.44 | 0.80 | 129.25 |
| 30 - 45 | 31.23 | 28.29 | 0.71 | 115.88 |
Maximum permissible limit recommended by EC (1986) [13] |
| 50 mg/kg | 300 mg/kg | 3 mg/kg | − |