title: Polycyclic aromatic hydrocarbons (PAHs) in the mariculture zones of China's northern Yellow Sea.
abstract: Polycyclic aromatic hydrocarbons (PAHs) were detected in water and sediment samples collected from three mariculture zones in China's northern Yellow Sea. In these samples, total PAH concentrations ranged from 110.8 ng/L to 997.2 ng/L and 142.2 ng/gdry weight (dw) to 750.2 ng/gdw, respectively. The log KOC values of the various PAH compounds examined in this study increased with the log KOW values, which is consistent with the prediction regarding PAH behavior in the environment. However, these KOC values were lower than the predicted values as a result of the effects of organic matters, which were abundant in the mariculture water. The isomeric ratios of the PAHs in sediment indicated that the source of the PAHs in the mariculture zones were mainly pyrolytic. The TEQ(carc) values of PAHs ranged from 7 ng TEQ/gdw to 92 ng TEQ/gdw, and only a few samples met the safe criterion with respect to individual PAH concentrations.
authors: Key Laboratory for Ecological Environment in Coastal Areas, National Marine Environmental Monitoring Center, SOA, Dalian, China.
authors: Humin
authors: H
authors: Zong
authors: Key Laboratory for Ecological Environment in Coastal Areas, National Marine Environmental Monitoring Center, SOA, Dalian, China.
authors: Xindong
authors: X
authors: Ma
authors: Key Laboratory for Ecological Environment in Coastal Areas, National Marine Environmental Monitoring Center, SOA, Dalian, China.
authors: Guangshui
authors: G
authors: Na
authors: Key Laboratory for Ecological Environment in Coastal Areas, National Marine Environmental Monitoring Center, SOA, Dalian, China.
authors: Chuanlin
authors: C
authors: Huo
authors: Key Laboratory for Ecological Environment in Coastal Areas, National Marine Environmental Monitoring Center, SOA, Dalian, China. Electronic address: yuanxiutang07@126.com.
authors: Xiutang
authors: X
authors: Yuan
authors: Key Laboratory for Ecological Environment in Coastal Areas, National Marine Environmental Monitoring Center, SOA, Dalian, China. Electronic address: zhangzhifeng07@126.com.
authors: Zhifeng
authors: Z
authors: Zhang
mesh_terms: D017756:Aquaculture; D002681:China; D004784:Environmental Monitoring / Q000379:methods*; D004785:Environmental Pollutants / Q000032:analysis; D005843:Geography; D019015:Geologic Sediments / Q000032:analysis*; D009930:Organic Chemicals; D011084:Polycyclic Aromatic Hydrocarbons / Q000032:analysis*; D011786:Quality Control; D045483:Rivers; D013696:Temperature; D014874:Water Pollutants, Chemical / Q000032:analysis*
chemical_list: D004785:Environmental Pollutants; D009930:Organic Chemicals; D011084:Polycyclic Aromatic Hydrocarbons; D014874:Water Pollutants, Chemical
keywords: Distribution; Mariculture zone; Polycyclic aromatic hydrocarbons; Risk assessment; Source identification