Research Article
Heavy Metals in Water and Sediment: A Case Study of Tembi River
Table 4
Comparison of average of heavy metals concentration in upstream and downstream sediments with guideline for sediments (mg/kg) [
15–
17].
| | Heavy metals | Cd | Cr | Cu | Fe | Mn | Ni | Pb | Zn |
| | Sampling point | 1 | 2
| 1 | 2
| 1 | 2
| 1 | 2
| 1 | 2
| 1 | 2
| 1 | 2
| 1 | 2
| | Average | 14.5 | 24.5
| 42 | 55.5
| 51.5 | 65
| 232 | 239
| 409 | 437
| 87.8 | 115
| 182 | 223
| 35 | 41 | | Fresh water sediments guideline | 0.99 | 43.4 | 31.6 | — | — | 22.7 | 35.8 | 121 | | Marin sediments | 5.1 | 260 | 390 | — | — | — | 450 | 410 |
|
|
1: upstream; 2: downstream.
|
