The concentration of HMs in vegetable samples (n=135) Concentration HMs Min Max Mean No sample over MLs (n,%) Decision 99/2008/MARD As 0.17 1.69 0.87 52 (38.52) ≤ 1.0 Pb 0.11 1.96 0.80 123 (91.11) ≤ 0.3 Cd 0.00 3.27 0.82 95 (70.37) ≤ 0.1 Cr 0.02 1.57 0.51 107 (79.26) ≤ 0.1 Hg 0.00 0.04 0.01 0 ≤ 0.05 The percentage of vegetable samples with concentrations of HMs higher than the permitted standard for Pb (91.11%), followed by Cr (79.26%) and Cd (70.37%) and lowest in As (38.52%).