Table 2 Statistical summary (mean values) of selected trace elements of groundwater
Monitored wells | ||||||||
|---|---|---|---|---|---|---|---|---|
Trace elements (μg/l) | MJ1 | MJ2 | MB1 | MB2 | MB3 | MB4 | MB5 | WHO limits (μg/l) |
Li | 9.8 | 9.0 | 66.9 | 16.2 | 30.4 | 66.1 | 33.3 | N.S |
Be | 0.35 | 0.45 | 1.19 | 0.35 | 0.44 | 1.12 | 0.77 | N.S |
B | 93.0 | 79.6 | 832.0 | 145.1 | 319.9 | 840.7 | 381.4 | 500 |
Al | 5.4 | 11.9 | 18.0 | 4.6 | 6.4 | 7.0 | 10.3 | 200 |
V | 33.8 | 38.5 | 32.5 | 40.0 | 34.3 | 27.9 | 44.8 | N.S |
Cr | 0.61 | 1.4 | 0.07 | 0.37 | 0.20 | 0.10 | 0.07 | 50 |
Mn | 0.16 | 0.35 | 110.50 | 30.71 | 11.49 | 99.86 | 99.11 | 400 |
Fe | 2.4 | 11.3 | 114.1 | 321.8 | 4.6 | 36.8 | 814.5 | 300 |
Co | 0.29 | 0.28 | 1.84 | 0.38 | 0.93 | 1.82 | 0.81 | N.S |
Ni | 0.00 | 5.96 | 0.92 | 0.01 | 0.00 | 1.91 | 0.06 | 20 |
Cu | 0.43 | 91.55 | 2.47 | 0.00 | 0.00 | 0.46 | 0.74 | 2000 |
Zn | 0.01 | 16.64 | 2.76 | 13.05 | 0.00 | 1.03 | 71.50 | 3000 |
As | 16.73 | 14.35 | 13.09 | 14.50 | 7.70 | 14.11 | 15.12 | 10 |
Se | 4.60 | 3.32 | 3.49 | 4.00 | 2.90 | 4.19 | 2.70 | 10 |
Rb | 30.9 | 34. 6 | 169.6 | 73.7 | 124.2 | 165.6 | 101.3 | N.S |
Sr | 324.9 | 273.4 | 1228.77 | 199.5 | 586.4 | 1082.7 | 532.9 | N.S |
Mo | 2.34 | 2.17 | 1.35 | 1.30 | 0.70 | 1.10 | 2.65 | 70 |
U | 6.26 | 2.71 | 12.87 | 3.38 | 7.63 | 10.65 | 6.76 | 15 |