Fig nbsp and Table nbsp show the CFs for the

The CFs for the traffic-related metals at site TTH were higher than those at the other three sites and a fraction of these BGB324 had a CF > 3. In terms of the traffic-related metals, the CFs for Cd at site GM, Zn at site TTH, Cr at site NQ and Cd and Pb at site DX were higher than those of other heavy metals in the same environment.