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Human Exposure Pathways of Heavy Metals in a Lead-Zinc Mining Area, Jiangsu Province, China

Figure 3

Multipathway analysis of HQ (Pb).

Each pathway’s contribution to total Pb exposure of local residents in the three studied villages was calculated based on average HQ values.

Figure 3

doi: https://doi.org/10.1371/journal.pone.0046793.g003