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. 2018 Mar 18;15(3):543. doi: 10.3390/ijerph15030543

Table 1.

Soil characterization.

PTEs Cd Cr Cu Fe Mn Ni Pb Zn
Soil (mg·kg−1) 0.13 ± 0.01 23.0 ± 1.2 296 ± 10 19842 ± 1230 913.9 ± 31.1 11.9 ± 2.1 21.9 ± 0.2 277 ± 3.0
Threshold values (mg·kg−1) [34] 1 100 100 - - 50 60 200