title: Halogenated polycyclic aromatic hydrocarbons in the environment.
abstract: Halogenated polycyclic aromatic hydrocarbons (HPAHs) have been reported to occur in air, sediment, fly ash, and biota samples. This review summarized current existing data on the environmental occurrence, behavior, physicochemical properties, emission sources, and toxic equivalents of HPAHs. Firstly, the physicochemical properties of HPAHs were summarized. Then, an overview of environmental occurrence of HPAHs in ambient matrices including biological samples was reviewed. Meanwhile, the emission sources and possible formation mechanisms of HPAHs were discussed. Apart from that, the aryl hydrocarbon receptor (AhR)-mediated activities were summarized, which indicated that the position and number of halogen atoms on the parent PAHs molecule were important determinant factors affecting the AhR-mediated activity of individual HPAHs congeners. Finally, some research recommendations on HPAHs were given.
authors.affiliation: Shenzhen Key Laboratory of Circular Economy, Shenzhen Graduate School, Peking University, Shenzhen 518055, China.
authors.forename: Jian-Lin
authors.initials: JL
authors.lastname: Sun
authors.forename: Hui
authors.initials: H
authors.lastname: Zeng
authors.forename: Hong-Gang
authors.initials: HG
authors.lastname: Ni
mesh_terms: D004784:Environmental Monitoring; D004785:Environmental Pollutants / Q000032:analysis* / Q000633:toxicity; D004787:Environmental Pollution / Q000706:statistics & numerical data; D011084:Polycyclic Aromatic Hydrocarbons / Q000032:analysis* / Q000633:toxicity
chemical_list: D004785:Environmental Pollutants; D011084:Polycyclic Aromatic Hydrocarbons