Parameters | L1 | L2 | variation (mg/L) |
Fe (µg/L) | 4570 70 - 10,540 | 8330 70 - 34,100 | 3 - 5500 |
Cu (µg/L) | 400 210 - 1120 | 400 80 - 800 | 0.005 - 10 |
Zn (µg/L) | 510 197 - 840 | 520 204 - 1020 | 0.03 - 1000 |
Cd (µg/L) | 90 50 - 250 | 130 30 - 360 | 0.0001 - 0.4 |
Pb (µg/L) | 540 Nd - 820 | 560 Nd - 950 | 1 - 5 |
Ni (µg/L) | 310 210 - 430 | 320 250 - 410 | 0.015 - 13 |
Co (µg/L) | 90 Nd - 180 | 70 40 - 130 | 0.015 - 14 |