Samples | As | Ba | Cd | Cu | Cr | Mo | Ni | Pb | Sr | V | Zn |
(mg/kg) | |||||||||||
Waste from refusal to screens | 15.1 | 140 | 33.2 | 56.3 | 300 | 9.85 | 111 | <8 | 497 | 174 | 354 |
Phosphate washing sludge | 39 | 156 | 27.3 | 93.5 | 699 | 15.6 | 215 | <8 | 535 | 330 | 729 |
Magnetic waste | 565 | 1670 | 48.5 | 385 | 330 | 247 | 1025 | 55.6 | 264 | 599 | 2375 |
Discharge of dust | <12 | 5.3 | 35.4 | 126 | 155 | 7.07 | 19.6 | <8 | 513 | 63 | 196 |