Table 8.
Heavy metal toxicity load of the river surface water before and during COVID-19 lockdown.
| Sampling Point | Pre-lockdown |
Lockdown |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Toxicity of heavy metals (mg/l) |
HMTL | Toxicity of heavy metals (mg/l) |
HMTL | |||||||||||
| As | Cr | Cu | Zn | Cd | Pb | As | Cr | Cu | Zn | Cd | Pb | |||
| TSW 1 | 75.42 | 22.98 | 152.15 | 817.14 | 1.32 | 21.43 | 1090.43 | 41.90 | 22.98 | 145.71 | 725.84 | 1.32 | 12.25 | 949.99 |
| TSW 2 | 130.73 | 34.47 | 125.58 | 690.23 | 2.64 | 26.03 | 1009.67 | 65.36 | 34.47 | 115.92 | 608.06 | 1.32 | 13.78 | 838.91 |
| TSW 3 | 93.86 | 91.92 | 159.39 | 595.28 | 0.00 | 13.78 | 954.22 | 93.86 | 80.43 | 153.76 | 557.84 | 0.00 | 9.19 | 895.07 |
| TSW 4 | 75.42 | 34.47 | 128.00 | 537.76 | 1.32 | 9.19 | 786.15 | 56.98 | 34.47 | 122.36 | 516.76 | 1.32 | 6.12 | 738.01 |
| TSW 5 | 139.11 | 80.43 | 206.08 | 867.35 | 2.64 | 27.56 | 1323.16 | 70.39 | 57.45 | 201.25 | 852.74 | 1.32 | 12.25 | 1195.40 |
| TSW 6 | 92.18 | 22.98 | 126.39 | 518.58 | 1.32 | 12.25 | 773.70 | 63.69 | 22.98 | 122.36 | 477.50 | 1.32 | 6.12 | 693.97 |
| TSW 7 | 58.66 | 22.98 | 99.02 | 595.28 | 0.00 | 9.19 | 785.12 | 58.66 | 22.98 | 89.36 | 558.76 | 0.00 | 6.12 | 735.88 |
| TSW 8 | 30.17 | 11.49 | 121.56 | 597.10 | 1.32 | 22.97 | 784.60 | 20.11 | 11.49 | 106.26 | 518.58 | 0.00 | 9.19 | 665.63 |
| TSW 9 | 20.11 | 11.49 | 132.83 | 629.06 | 1.32 | 24.50 | 819.30 | 1.68 | 11.49 | 128.00 | 546.89 | 0.00 | 10.72 | 698.77 |
| TSW 10 | 93.86 | 34.47 | 138.46 | 716.71 | 1.32 | 18.37 | 1003.18 | 55.31 | 34.47 | 132.83 | 600.75 | 0.00 | 9.19 | 832.54 |
| TSW 11 | 103.91 | 45.96 | 240.70 | 812.57 | 2.64 | 29.09 | 1234.86 | 55.31 | 34.47 | 231.84 | 709.40 | 1.32 | 12.25 | 1044.59 |
| TSW 12 | 139.11 | 80.43 | 206.08 | 867.35 | 2.64 | 27.56 | 1323.16 | 70.39 | 57.45 | 201.25 | 852.74 | 1.32 | 12.25 | 1195.40 |
| TSW 13 | 159.22 | 45.96 | 170.66 | 719.44 | 2.64 | 18.37 | 1116.29 | 149.16 | 22.98 | 101.43 | 595.28 | 1.32 | 13.78 | 883.95 |
| TSW 14 | 110.62 | 57.45 | 213.33 | 912.09 | 1.32 | 13.78 | 1308.58 | 93.86 | 34.47 | 189.98 | 872.83 | 1.32 | 12.25 | 1204.70 |
| TSW 15 | 105.59 | 91.92 | 232.65 | 845.44 | 0.00 | 15.31 | 1290.90 | 98.88 | 57.45 | 213.33 | 781.53 | 0.00 | 12.25 | 1163.44 |
| TSW 16 | 36.87 | 68.94 | 206.08 | 842.70 | 2.64 | 13.78 | 1171.01 | 26.82 | 68.94 | 237.48 | 751.40 | 1.32 | 9.19 | 1095.13 |
| TSW 17 | 149.16 | 57.45 | 232.65 | 817.14 | 1.32 | 18.37 | 1276.08 | 149.16 | 34.47 | 197.23 | 744.10 | 1.32 | 13.78 | 1140.05 |
| TSW 18 | 165.92 | 91.92 | 206.08 | 900.22 | 1.32 | 16.84 | 1382.30 | 164.25 | 68.94 | 189.98 | 872.83 | 1.32 | 13.78 | 1311.09 |
| TSW 19 | 110.62 | 68.94 | 186.76 | 892.91 | 2.64 | 16.84 | 1278.71 | 93.86 | 57.45 | 170.66 | 872.83 | 1.32 | 13.78 | 1209.89 |
| TSW 20 | 154.19 | 68.94 | 228.62 | 900.22 | 1.32 | 18.37 | 1371.66 | 140.78 | 57.45 | 187.57 | 912.09 | 1.32 | 12.25 | 1311.45 |