Table 3.
Site | Cd (μg/g) | Zn (μg/g) | Cu (μg/g) | Pb (μg/g) | As (μg/g) | Hg (ng/g) |
---|---|---|---|---|---|---|
1 | 0.035 ± 0.007 | 10.0 ± 0.6 | 0.69 ± 0.09 | 0.93 ± 0.15 | 1.5 ± 0.6 | 3.7 ± 0.9 |
2 | 0.024 ± 0.005 | 9.0 ± 0.6 | 1.44 ± 0.09 | 2.74 ± 0.29 | 4.2 ± 0.3 | 40.4 ± 9.4 |
3 | 0.027 ± 0.004 | 5.3 ± 0.4 | 0.65 ± 0.20 | 0.49 ± 0.06 | 1.4 ± 0.8 | 3.2 ± 0.3 |
The data presented are means ± 1 standard deviation of 3 measurements. One-way ANOVA detected significant differences (P < 0.01) in all measured heavy metals among sites.