title: Polycyclic aromatic hydrocarbons in soils along the coastal and estuarine areas of the northern Bohai and Yellow Seas, China.
abstract: Polycyclic aromatic hydrocarbons (PAHs) and their health risks in surface soils (n = 31) collected from coastal and estuarine areas of the northern Bohai and Yellow Seas (CEANBYS), China, were investigated. Total concentrations of PAHs ranged from 6.6 × 10(1) to 9.2 × 10(2) ng g(-1) dry weight, with an average of 3.1 × 10(2) ng g(-1) dw. The locations where greater concentrations of PAHs were observed were all near factories emitting black smoke or on the edge of the urban areas. These observations are consistent with concentrations of PAHs in soils being influenced by human activities, especially industrialization and urbanization. Concentrations of PAHs were significantly correlated with concentrations of organic carbon in soils. The patterns of relative concentrations and types of PAHs observed as well as knowledge of the potential sources were consistent with the primary sources of PAHs in soils of the CEANBYS being derived from the pyrolytic processes such as combustion of fossil fuel. The incremental lifetime cancer risks of exposing to PAHs for child, youth, and adult were 1.6 × 10(-6), 1.2 × 10(-6), and 1.9 × 10(-6).
authors.affiliation: State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China. wtjiao@rcees.ac.cn
authors.forename: Wentao
authors.initials: W
authors.lastname: Jiao
authors.forename: Tieyu
authors.initials: T
authors.lastname: Wang
authors.forename: Jong Seong
authors.initials: JS
authors.lastname: Khim
authors.forename: Wei
authors.initials: W
authors.lastname: Luo
authors.forename: Wenyou
authors.initials: W
authors.lastname: Hu
authors.forename: Jonathan E
authors.initials: JE
authors.lastname: Naile
authors.forename: John P
authors.initials: JP
authors.lastname: Giesy
authors.forename: Yonglong
authors.initials: Y
authors.lastname: Lu
mesh_terms: D002681:China; D004784:Environmental Monitoring; D063366:Estuaries; D011084:Polycyclic Aromatic Hydrocarbons / Q000032:analysis*; D012623:Seawater / Q000737:chemistry; D012987:Soil / Q000737:chemistry; D012989:Soil Pollutants / Q000032:analysis*; D014507:Urbanization; D014874:Water Pollutants, Chemical / Q000032:analysis*
chemical_list: D011084:Polycyclic Aromatic Hydrocarbons; D012987:Soil; D012989:Soil Pollutants; D014874:Water Pollutants, Chemical