Article

Semi-volatile organic compounds and trace elements in the Yangtze River source of drinking water.

State Key Laboratory of Pollution Control and Resource Reuse & School of the Environment, Nanjing University, 210093 Nanjing, China.
Ecotoxicology (impact factor: 2.36). 06/2009; 18(6):707-14. DOI:10.1007/s10646-009-0331-4 pp.707-14
Source: PubMed

ABSTRACT Determination of 24 semi-volatile organic compounds (SVOCs) and 24 trace elements in water samples was conducted in order to investigate the quality of the Nanjing source of drinking water taken from Yangtze River. The total concentrations of SVOCs and trace elements were in the range of 1,951-11,098 ng/l and 51,274-72,384 microg/l, respectively. No significant seasonal changes were found for the pollutants' concentrations. A primary health risk assessment was carried out to evaluate potential health effects. Risk quotients involving carcinogenic effects for benzo(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, dibenz(a,h)anthracene, bis(2-ethylhexyl)phthalate and arsenic were >1 under the worst-case scenario. The results of this study demonstrate the importance of further studies on the environmental health effects of exposure to the source water.

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Keywords

24 semi-volatile organic compounds
 
24 trace elements
 
benzo(a)anthracene
 
bis(2-ethylhexyl)phthalate
 
drinking water
 
environmental health effects
 
pollutants' concentrations
 
potential health effects
 
primary health risk assessment
 
significant seasonal changes
 
trace elements
 
water samples
 
worst-case scenario
 
Yangtze River