期刊
WATER QUALITY EXPOSURE AND HEALTH
卷 7, 期 1, 页码 89-97出版社
SPRINGER
DOI: 10.1007/s12403-014-0147-1
关键词
Water source; Organochlorine pesticides; DDTs; HCHs; Health risk
资金
- Open Funding Project of the Key Laboratory of Aquatic Botany and Watershed Ecology
- Open Funding Project of The State Key Laboratory of Water Resources and Hydropower Engineering Science [2013B115]
- Natural Science Foundation of Hubei Province of China [2012FFB07301]
- Hundred Talents Program of the Chinese Academy of Sciences [Y329671K01]
- Chinese Academy of Sciences
Samples were collected from nine drinking water sources in south China and were analyzed for concentrations of 15 organochlorine pesticides (OCPs). The average concentrations of total OCPs were in the range of 12.9-43.0 ng L-1 with an overall average of 25.7 ngL(-1). The concentrations of HCHs (alpha-HCH, beta-HCH, gamma-HCH, delta-HCH) and DDTs (p,p'-DDD, p,p'-DDT, p,p'-DDE) were in the range of 5.54-13.08 and 0.17-4.47 ngL(-1), respectively. HCHs, endrin-aldehyde, methoxychlor and endrin were the most dominant in all samples. The input of HCHs was a mixture of technical HCH and lindane, while the DDT may be mainly derived from DDT-treated aged and weathered agricultural soils. Health risk assessment of DDTs and HCHs suggested that water quality from nine drinking water sources in south China was safe for human drinking.
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