In recent years,heavy haze pollution in northern China in winter have aroused widespread concern,in which case the health effect of particle-bound trace contaminants have not been well documented.
Polycyclic aromatic hydrocarbons(PAHs)were detected in tree bark,soil and air samples of the plain along the Yangtze River(Anhui section)which belongs to the Middle-Lower Yangtze Plain.
Sediment is an important repository for the semi-volatile organic compound(SVOCs),such as PAHs,and the traceback analysis of pollution has always been one of the difficulties in the study of SVOCs beh