Table 3.
Enrichment factor (EF)
| Sites | Mn | Ni | Cu | Ag | Cd | Pb |
|---|---|---|---|---|---|---|
| 1 | 2.135741 | 32.07365 | 1.876704 | 202.3719 | 3.309347 | 13.70053 |
| 2 | 6.168496 | 10.6623 | 1.132923 | 332.8644 | 4.384323 | 21.9533 |
| 3 | 5.599511 | 11.61817 | 1.313152 | 315.7388 | 5.538092 | 14.92988 |
| 4 | 7.978447 | 13.38829 | 1.347036 | 242.8945 | 3.66392 | 17.40953 |
| 5 | 3.02265 | 9.114002 | 0.880851 | 240.2413 | 2.510151 | 10.13842 |
| 6 | 4.128977 | 6.309921 | 2.084696 | 468.9046 | 5.082212 | 12.79586 |
| 7 | 13.13674 | 10.50211 | 1.040844 | 656.563 | 4.05789 | 31.76585 |
| 8 | 5.07381 | 6.08768 | 2.40754 | 373.1458 | 7.84563 | 14.5049 |
| 9 | 4.178319 | 5.630534 | 4.350137 | 352.1609 | 14.39116 | 14.13007 |
| 10 | 13.35189 | 9.214042 | 1.356648 | 636.3016 | 6.821308 | 23.63026 |
| 11 | 10.43086 | 10.33538 | 1.32996 | 1470.151 | 10.93548 | 23.65592 |
| 12 | 1.702447 | 4.686694 | 3.528742 | 625.2062 | 6.877589 | 9.985112 |
| 13 | 3.487389 | 6.279529 | 4.100101 | 1038.875 | 8.121409 | 11.59757 |
| 14 | 8.098843 | 7.904022 | 2.365297 | 777.8896 | 9.500304 | 14.58477 |
| 15 | 14.56733 | 11.10995 | 1.504241 | 936.6032 | 7.097087 | 31.79911 |
| 16 | 9.896478 | 7.90972 | 0.960485 | 748.2213 | 4.226735 | 23.29122 |
| 17 | 7.378156 | 9.211721 | 1.298691 | 614.3519 | 8.17769 | 20.42728 |
| 18 | 6.393437 | 10.40735 | 1.804939 | 768.0002 | 5.830755 | 21.52342 |
| 19 | 12.63148 | 26.27955 | 1.860615 | 661.3871 | 8.729248 | 20.34995 |
| 20 | 12.62115 | 18.39094 | 1.958446 | 588.784 | 11.32382 | 19.74363 |
| 21 | 7.215589 | 10.54728 | 0.743692 | 267.98 | 2.482011 | 15.35487 |
| 22 | 4.483252 | 19.74401 | 3.036967 | 174.8744 | 2.836584 | 13.92256 |
|
EF < 2 Minimal |
2 ≤ EF < 5 Moderate |
5 ≤ EF < 20 Significant |
20 ≤ EF < 40 Very high |
EF ≥ 40 Extremely high |
||
Boldface relate to the highest values