Preliminary Study of Organic Pollutants in Air of Guangzhou, Hongkong and Macao
粤港澳地区大气环境中有机污染物特征与污染源追踪的初步研究

Guangzhou, Hongkong and Macao are among the cities in Pearl River Mouth region, where air quality is getting worse in recent years due to rapid development of industry and fast increases of population In these cities, preliminary investigations were carried out into the organics in aerosols and volatile organic compounds in ambient air, the results show that the priority organic pollutants are composed mainly of PAHs and volatile organic compounds, such as phenanthrene, pyrene, fluoranthene, chrysene, benzo(a)pyrene, benzo(e)pyrene, benzoperlene, coronene, BTEX, naphthalene and chlorinated hydrocarbons In terms of biomarkers in the aliphatic and aromatic fraction of the extracts, as well as contaminant assemblages, a brief discussion has been made on the source and fate of the priority organic pollutants