µg PCB* /kg dry sediment . 111.8 ± 2.5Concentrations of individual Polychlorinated Biphenylsµg/kg of dry sediment µg/kg of dry sedimentPCB 101 . 5.42 ± 0.34 PCB 180. 3.70 ± 0.33PCB 138 . 6.92 ± 0.52 PCB 194. 0.61 ± 0.07PCB 151 . 1.37 ± 0