Fig. 1. Contributions of individual (a) polycyclic aromatic hydrocarbons (PAHs) to the sum of 20 PAHs and of individual (b) polychlorinated biphenyls (PCBs) to the sum of 12 PCBs (means and standard deviations, n = 11).
Fig. 1. Contributions of individual (a) polycyclic aromatic hydrocarbons (PAHs) to the sum of 20 PAHs and of individual (b) polychlorinated biphenyls (PCBs) to the sum of 12 PCBs (means and standard deviations, n = 11).