fig3
![Occurrence and risks of polychlorinated biphenyls in water, sediment, and fish of Wupa River, Nigeria](https://image.oaes.cc/7b31189f-2828-415e-be07-3af319fd74cf/5143.fig.3.jpg)
Figure 3. PCB congener profiles in sediment samples. PCB: Polychlorinated biphenyl.
Figure 3. PCB congener profiles in sediment samples. PCB: Polychlorinated biphenyl.
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