Table 5.
Ratios I/O of PM10 composition.
| Ratio I/O |
|||||||
|---|---|---|---|---|---|---|---|
| S1 | S2 | S3 | S4 | S5 | S6 | S7 | |
| As | 4.9 | 7.7 | 4.6 | 3.0 | 4.9 | 2.6 | 4.3 |
| Ni | 10.7 | 13.5 | 11.6 | 10.9 | 16.0 | 10.8 | 13.8 |
| Cd | 245.1 | 217.1 | 171.3 | 190.0 | 232.1 | 252.3 | 167.1 |
| Pb | 23.3 | 20.2 | 12.0 | 5.4 | 6.8 | 7.2 | 18.1 |
| Al | 8.4 | 14.2 | 11.3 | 11.0 | 12.4 | 7.0 | 9.9 |
| B | 161.4 | 123.9 | 148.5 | 120.9 | 144.9 | 116.1 | 135.7 |
| Zn | 10.7 | 9.9 | 11.8 | 13.2 | 12.4 | 10.1 | 9.6 |
| Mg | 4.2 | 5.1 | 5.3 | 6.6 | 11.7 | 4.3 | 6.0 |
| Sb | 1.9 | 2.1 | 1.7 | 4.9 | 3.3 | 3.5 | 3.0 |
| Fluoride (F-) | 19.6 | 19.8 | 19.7 | 18.5 | 21.1 | 20.8 | 21.7 |
| Chlorite (ClO2-) | 23.1 | 24.6 | 27.4 | 48.5 | 67.4 | 65.7 | 49.8 |
| Chloride (Cl-) | 8.3 | 10.0 | 15.1 | 14.4 | 16.9 | 19.5 | 22.0 |
| Nitrate (NO3-) | 6.8 | 6.7 | 9.3 | 6.2 | 11.2 | 10.0 | 13.9 |
| Sulphate (SO42-) | 4.7 | 6.8 | 8.4 | 7.6 | 11.6 | 11.5 | 8.9 |