Polycyclic aromatic hydrocarbons(PAHs) are a group of persistent organicpollutants(POPs) which are carcinogenic, teratogenic and mutagenic and also havegreat threat to human health and environment. PAHs are common in variousenvironmental media at home and abroad, therefore, the problem of PAHs pollutionhas caused a great attention of environmental researchers around the world. SanjiangPlain wetlands in northeast China is the largest marshes areal, which has a wealth ofnatural and mineral resources. Recent d...