Fig. 6From: Polychlorinated biphenyls and organochlorine pesticides in water and sediment from Volturno River, Southern Italy: occurrence, distribution and risk assessmenta Principal Component Analysis of the Sediments PCBs data of the Volturno River. Score plot for the first and second principal component. b Principal Component Analysis of the Sediment data of the Volturno River. Loading plot for the first and third principal componentBack to article page