Parameter

Station 1

Station 2

Station 3

Station 4

Mean

control

Iron

12.93

14.82

12.01

4.736

11.12 ± 3.825

4.673

Zinc

0.049

0.028

0.035

0.034

0.036 ± 0.008

0.021

manganese

0.163

0.175

BDL

0.164

0.125 ± 0.073

BDL

Cobalt

9.880

7.540

5.780

5.700

7.225 ± 1.700

5.432

Lead

0.550

0.410

0.440

0.350

0.437 ± 0.073

0.270

Nickel

0.760

0.680

BDL

BDL

0.189 ± 0.321

BDL

Copper

0.640

BDL

BDL

BDL

0.160 ± 0.277

BDL

Chromium

BDL

BDL

BDL

BDL

BDL

BDL

Cadmium

1.220

0.780

1.020

1.080

1.025 ± 0.159

0.080