Sampling locations

Contamination factor

Fe

Zn

Cu

Pb

Cd

Mn

S1

0.268

0.317

0.260

0.585

2.0

0.506

S2

0.642

0.322

0.429

1.071

4.333

0.368

S3

0.579

0.138

0.549

0.651

1.9

0.589

S4

0.610

0.186

0.185

0.285

1.667

0.297

S5

0.642

0.335

0.305

0.921

5.333

0.783

S6

0.764

0.474

0.533

1.062

2.333

0.839

S7

0.642

0.617

2.04

0.904

4.2

1.130

S8

0.866

0.383

0.642

0.921

5.637

2.289

S9

1.20

0.639

0.906

1.11

5.6

2.882

S10

0.775

0.397

0.639

0.675

3.667

1.215

S11

0.462

0.332

0.630

0.401

2.333

0.676

S12

0.676

0.392

0.627

0.691

4.467

1.581

S13

0.430

0.283

0.371

0.407

4.0

0.511

S14

2.659

3.04

47.147

2.008

10.267

0.832

S15

0.779

0.721

2.104

1.234

7.667

0.690

S16

0.648

0.299

0.938

0.570

4.70

0.525

S17

0.280

0.097

0.045

0.240

4.133

0.551