Table 4: Comparison of soil Cd levels in the study area with international limits.

Heavy metal

Sampling Location

Mean concentration

World Range of the Metal in Soils

Maximum Allowed Concentration Values of the Metal in Polluted Soils

Limit of the Metal in Soils Proposed by European Economic Commission Directive

Cd

Jushi  

3.57

 0.07-1.10

   1-5

  0.5-1.5

 

Dakace

2.52