Table 2 Chemical composition of RTD and EHC-93 (μg/g).
| Â | RTD | EHC-93 |
|---|---|---|
Cd | 7.4 | 18.3 |
Pb | 176 | 5700 |
Mg | 5207 | 15983 |
Al | 5184 | 14562 |
Si | 10409 | 43713 |
Ca | 11738 | 123403 |
V | 83.2 | 99.1 |
Cr | 53.3 | 44.9 |
Mn | 376 | 445 |
Fe | 12929 | 17759 |
Ni | 70 | 41 |
Cu | 532 | 760 |
Zn | 2678 | 10370 |
Na | 50819 | 22339 |
K | 3172 | 6436 |
NH4 | 42868 | 222 |
Cl | 79679 | 23916 |
NO3 | 130374 | 24319 |
SO4 | 47355 | 56664 |
PAH | 0.66 | 0.86 |