| 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 |
134.2 |
82.95 |
106.5 |
147.4 |
775.1 |
751.6 |
560.6 |
195.5 |
| As |
5 |
0.00 |
0.10 |
0.00 |
0.00 |
0.04 |
0.26 |
0.19 |
0.45 |
| Ba |
260 |
1.23 |
1.07 |
1.47 |
2.77 |
3.32 |
2.28 |
2.40 |
0.85 |
| Co |
23 |
0.00 |
0.00 |
0.00 |
0.00 |
0.01 |
0.05 |
0.178 |
0.003 |
| Cr |
200 |
0.70 |
0.58 |
0.85 |
1.06 |
1.95 |
4.88 |
5.72 |
2.32 |
| Cu |
70 |
0.00 |
0.00 |
0.72 |
0.02 |
0.67 |
0.81 |
2.50 |
0.93 |
| Fe |
50000 |
302.1 |
225.4 |
335.4 |
394.4 |
476.1 |
826 |
735 |
412.2 |
| Pb |
16 |
0.10 |
0.00 |
0.20 |
0.14 |
0.90 |
2.66 |
2.25 |
0.66 |
| Mn |
1000 |
4.31 |
2.69 |
2.75 |
5.46 |
4.56 |
6.53 |
7.34 |
3.05 |
| Mo |
15 |
0.00 |
0.00 |
0.05 |
0.00 |
0.004 |
0.076 |
0.18 |
0.01 |
| Ni |
80 |
0.05 |
0.01 |
0.05 |
0.09 |
0.26 |
0.47 |
1.32 |
0.32 |
| Se |
*0.05 |
0.00 |
0.00 |
0.05 |
0.00 |
0.74 |
0.40 |
0.68 |
0.00 |
| Sr |
300 |
0.74 |
0.55 |
0.91 |
2.31 |
5.64 |
8.48 |
15.36 |
7.12 |
| Ti |
4400 |
10.65 |
8.16 |
10.19 |
11.26 |
53.52 |
47.54 |
47.48 |
56.23 |
| V |
150 |
0.65 |
0.53 |
0.75 |
0.84 |
1.64 |
1.90 |
3.45 |
2.44 |
| Zn |
132 |
0.69 |
0.60 |
1.20 |
0.97 |
4.53 |
7.36 |
7.88 |
1.35 |
| Zr |
*165 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
| Clarke values after: *[37, 38] |
|
