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. 2020 Aug 25;11:2073. doi: 10.3389/fmicb.2020.02073

FIGURE 1.

FIGURE 1

Concentrations (ng/g soil) of six PCB markers (28, 52, 101, 153, 138, and 180) and two dioxin-like (105 and 118) detected in soil samples collected at 55 months after poplar plantation.