Trace metals | Urban roads | Highways | ||||||||
MAV | OLR | NKB | TOT 2 | ADSK | KJU | KAKD | KNK | KASJ | ADWE | |
Fe (mg/L) | 2.311 | 2.581 | 2.578 | 0.695 | 1.175 | 3.212 | 4.270 | 2.731 | 2.744 | 4.906 |
Cu (mg/L) | 1.474 | 0.243 | 2.205 | 1.256 | 0.261 | 0.141 | 0.117 | 0.198 | 0.135 | 0.199 |
Cd (mg/L) | 0.081 | 0.018 | 0.018 | 0.015 | 0.016 | 0.009 | 0.067 | 0.282 | 0.027 | 0.021 |
Pb (mg/L) | 2.345 | 0.429 | 1.788 | 1.105 | 0.835 | 0.084 | 0.039 | 0.035 | 0.039 | 0.656 |
Zn (mg/L) | 2.256 | 0.851 | 2.205 | 1.623 | 1.622 | 0.797 | 0.783 | 0.729 | 0.405 | 1.594 |
Ni (mg/L) | 0.085 | 0.448 | 0.437 | 0.422 | 0.423 | 0.618 | 0.772 | 0.492 | 0.524 | 1.623 |
Cr (mg/L) | 0.274 | 0.492 | 0.456 | 0.328 | 0.312 | 0.676 | 0.718 | 0.602 | 0.656 | 0.738 |