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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