? Sediments in Hong Kong rivers contained PAH and PCB
concentrations of 194 to 2199 mg kg-1 dry wt and 12.7 to
461 mg kg-1 dry wt, respectively.
? More monitoring work should be done to get a clear
geographical distribution of persistent organic chemicals
? Multi-compartment monitoring and bioaccumulation
assessment is essential to elucidate the behavior and fate
of persistent organics, also to assess the current status of