Table 3 Average concentration of toxic elements and comparison with standards.
Toxic elements concentration (µg/L) | As | Pb | Cd |
|---|---|---|---|
This study | 3.94 ± 3.72 | 0.86 ± 0.08 | 0.35 ± 0.08 |
National Standard (1053) | 10 | 10 | 3 |
WHO Standard (2017) | 10 | 10 | 3 |
EPA Standard (2018) | 10 | 15 | 5 |