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Distribution, Sources and Ecological Risk Assessment of Polycyclic Aromatic Hydrocarbons (PAHs) in Water of the Provincial Control Section River, Longyan

The PAHs contents in water of the provincial control section river are within the range of 58.3~1328.5μg/L with an average of 387.72μg/L in winter, within the range of 5.9~188.4μg/L with an average of 77.46μg/L in autumn, within the range of 16.7~1203.3μg/L with an average of 475.05μg/L in summer, respectively. The Benzo[a]pyrene was not detected. It is suggested that PAHs in water of the provincial control section river mostly came from combustion sources.