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Table 2 The average amount of heavy metals in the counties of Golestan province, Iran, in 2018

From: Association between heavy metals and colon cancer: an ecological study based on geographical information systems in North-Eastern Iran

County Name

Zn (mg/kg)

Cd (mg/kg)

Pb (mg/kg)

Cu (mg/kg)

Ni (mg/kg)

Co (mg/kg)

Se (mg/kg)

Bandar Torkeman

26.357

0

0

1.0182

0.842

0

2.96

Kordku

25.579

0.0155

0.1385

1.2265

2.8085

0.00675

1.4234

Bandar Gaz

32.4563

0

1.46075

1.7875

3.90038

0.102625

2.538

Agh Ghala

25.6238

0

0.196833

2.3977

0.6455

0

2.73016

Gorgan

31.3155

0.007643

1.1145

3.0515

1.3993

0.0185

1.1963

Ali Abad

20.3349

0.0085

1.7211

0.7619

3.3621

0

2.3765

Kalaleh

26.140125

0

0.28

3.028

1.290771

0.1005

4.7585

Gonbad

38.7784688

0.101688

2.235375

6.993281

4.417125

0.110625

3.587375

Minoodasht

54.7726429

0

1.618571

5.633857

2.283243

0

0.494614

Azadshahr

56.1412857

0.073786

0.7835

10.1745

2.577571

0

1.431738

Ramian

45.648

0

1.23575

7.62775

0.954

0

2.3255

Range

20.3349–56.1412857

0–0.101688

0–2.235375

0.7619–10.1745

0.6455–4.417125

0–0.110625

0.494614–4.7585

  1. mg milligrams, kg kilograms