Polycyclic aromatic hydrocarbons in water, sediment and soil of the Songhua River Basin, China

被引:74
作者
Ma, Wan-Li [1 ,2 ]
Liu, Li-Yan [1 ,2 ]
Qi, Hong [1 ,2 ]
Zhang, Zi-Feng [1 ,2 ]
Song, Wei-Wei [1 ,2 ]
Shen, Ji-Min [1 ,2 ]
Chen, Zhong-Lin [1 ,2 ]
Ren, Nan-Qi [1 ,2 ]
Grabuski, Josey [3 ]
Li, Yi-Fan [1 ,2 ]
机构
[1] Harbin Inst Technol, State Key Lab Urban Water Resource & Environm, IJRC PTS, Harbin 150090, Heilongjiang, Peoples R China
[2] Harbin Inst Technol, Sch Municipal & Environm Engn, Harbin 150090, Peoples R China
[3] Environm Canada, Sci & Technol Branch, Burlington, ON L7R 4A6, Canada
关键词
PAHs; Pollution; Cancer risk assessment; The Songhua River Basin; SOURCE APPORTIONMENT; RISK-ASSESSMENT; SURFACE-WATER; POLYCHLORINATED-BIPHENYLS; YELLOW-RIVER; PAHS; DELTA; POLLUTION; PROVINCE; MIDDLE;
D O I
10.1007/s10661-013-3182-7
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The Songhua River is the third largest river in China and the primary source of drinking and irrigation water for northeastern China. The distribution of 16 priority polycyclic aromatic hydrocarbons (PAHs) in water [dissolved water (DW) and suspended particulate matter (SPM)], sediment, and soil in the river basin was investigated, and the associated risk of cancer from these PAHs was also assessed. The total concentration of PAHs ranged from 13.9 to 161 ng L-1 in DW, 9.21 to 83.1 ng L-1 in SPM, 20.5 to 632 ng g(-1) dw (dry weight) in sediment, and from 30.1 to 870 ng g(-1) dw in soil. The compositional pattern of PAHs indicated that three-ring PAHs were predominant in DW and SPM samples, while four-ring PAHs dominated in sediment and soil samples. The spatial distribution of PAHs revealed some site-specific sources along the river, with principal component analysis indicating that these were from pyrogenic sources (such as coal and biomass combustion, and vehicle emissions) and coke oven emission distinguished as the main source of PAHs in the Songhua River Basin. Based on the ingestion of PAH-contaminated drinking water from the Songhua River, cancer risk was quantitatively estimated by combining the Incremental Lifetime Cancer Risk assessment model and BaP-equivalent concentration for five age groups of people (adults, teenagers, children, toddlers, and infants). Overall, the results suggest that the estimated integrated lifetime cancer risk for all groups was in acceptable levels. This study is the first attempt to provide information on the cancer risk of PAHs in drinking water from the Songhua River.
引用
收藏
页码:8399 / 8409
页数:11
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