Polycyclic Aromatic Hydrocarbons in Surface Water from Wuhai and Lingwu Sections of the Yellow River: Concentrations, Sources, and Ecological Risk

Table 1

Summary of concentrations (ng/L) of PAHs in surface water samples collected from rivers in China during the past decade.

Locations	n	Min	Max	Mean	References
Yellow River (Wuhai section)	30	27.5	234	162	This study
Yellow River (Lingwu section)	11	135	265	197	This study
Yellow River (Henan reach)	26	144	2361	662	[18]
Yellow River (Xi’an region)	6	357	2017	824	[19]
Yellow River Estuary (flood season)	8	474	1190	729	[20]
Yellow River Estuary (dry season)	8	1682	6014	2944	[20]
Liaohe River Basin	15	209	33930	4021	[21]
Daliao River Estuary	12	139	1718	486	[22]
Songhua River	7	88.6	140	—	[23]
Songhua River Basin	15	7.12	9131	759	[21]
Baiyangdian Lake	6	40.1	74	51	[24]
Fujiang River	8	43.9	81	—	[23]
Yangtze River (Jiangsu section)	15	12	3576	925	[25]
Yangtze River Delta	14	12.9	638	201	[26]
Taihu Lake	5	11000	34000	—	[27]
Poyang Lake	40	5.56	266	—	[28]
Yangtze Estuary and coastal areas	18	478	6273	1858	[29]
Xiamen coastal area	13	62	342	151	[30]
Huaihe River Basin	—	1700	7770	4386	[21]
Weishan Lake	9	5350	12970	8572	[31]
Chaohu Lake	15	95.6	370	171	[32]
Dongjiang River	8	10.9	42.3	24.9	[33]
Pearl River	8	15.4	48.1	27.1	[33]
Pearl River Estuary	20	12.9	182	45.4	[34]
Pearl River Estuary	3	11.7	18.6	15.1	[33]

n, numbers of collected samples.