| Heavy metals |
Clarke Value |
R1 |
R2 |
E1 |
E2 |
| Wet season |
Dry season |
Wet season |
Dry season |
Wet season |
Dry season |
Wet season |
Dry season |
| Al |
81300 |
1.00 |
1.00 |
1.00 |
1.00 |
1.00 |
1.00 |
1.00 |
1.00 |
| As |
5 |
0.00 |
19.60 |
0.00 |
0.00 |
0.84 |
5.60 |
5.50 |
37.40 |
| Ba |
260 |
2.90 |
4.00 |
4.30 |
5.90 |
1.30 |
0.90 |
1.30 |
1.40 |
| Co |
23 |
0.00 |
0.00 |
0.00 |
0.00 |
0.05 |
0.24 |
1.10 |
0.05 |
| Cr |
200 |
2.10 |
2.80 |
3.20 |
2.90 |
1.00 |
2.60 |
4.10 |
4.80 |
| Cu |
70 |
0.00 |
0.00 |
2.70 |
0.06 |
0.35 |
0.44 |
1.80 |
1.90 |
| Fe |
50000 |
3.70 |
4.40 |
5.10 |
4.40 |
1.00 |
1.80 |
2.10 |
3.40 |
| Pb |
16 |
3.80 |
0.00 |
9.50 |
4.80 |
5.90 |
18.00 |
20.00 |
17.20 |
| Mn |
1000 |
2.60 |
2.60 |
2.10 |
3.00 |
0.48 |
0.71 |
1.06 |
1.27 |
| Mo |
15 |
0.00 |
0.00 |
2.50 |
0.00 |
0.03 |
0.55 |
1.74 |
0.28 |
| Ni |
80 |
0.38 |
0.12 |
0.48 |
0.62 |
0.34 |
0.64 |
2.39 |
1.66 |
| Se |
*0.05 |
0.00 |
0.00 |
782 |
0.00 |
159 |
887 |
2022 |
0.00 |
| Sr |
300 |
1.50 |
1.80 |
2.30 |
4.20 |
2.00 |
3.10 |
7.40 |
9.90 |
| Ti |
4400 |
1.50 |
1.80 |
1.80 |
1.40 |
1.30 |
1.20 |
1.60 |
5.30 |
| V |
150 |
2.60 |
3.50 |
3.80 |
3.10 |
1.10 |
1.40 |
3.30 |
6.80 |
| Zn |
132 |
3.20 |
4.50 |
6.90 |
4.10 |
3.60 |
6.00 |
8.70 |
4.30 |
| Zr |
*165 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0 0.00 |
| Clarke values after: *[37, 38] |
|
