Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China.
Ecotoxicol Environ Saf. 2013 Oct;96:154-9. doi: 10.1016/j.ecoenv.2013.06.033. Epub 2013 Jul 18.
In this study, we examined the occurrence and distribution of 12 selected pharmaceutical and personal care products (PPCPs) in Qingshan Lake basin and evaluated their potential ecological risks. Caffeine was the dominant compound among all selected PPCPs in the aqueous phase (23.8-344.7ng/L). Sediment release contributed minimally to caffeine levels found in the aqueous phase of Qingshan Lake. Concentrations of selected PPCPs in dry season water samples were generally higher than those in the water samples obtained during the wet or median water seasons. The risks of residual caffeine in water on aqueous organisms was minimal (risk quotient values below 0.01). Sulfamethoxazole and triclocarban posed the highest environmental risks despite their low concentrations (below 25ng/L in water and 10μg/kg in sediment) in Qingshan Lake basin. The risks produced by selected PPCPs in sediments were generally higher than in the aqueous phase.
在这项研究中，我们检测了青山湖流域中 12 种选定的药品和个人护理产品（PPCPs）的出现和分布情况，并评估了它们的潜在生态风险。在所有选定的 PPCPs 中，咖啡因是水相中含量最高的化合物（23.8-344.7ng/L）。青山湖水中的咖啡因水平主要来自于沉积物的释放。与枯水期相比，丰水期和中水期水样中选定 PPCPs 的浓度通常更高。水中残留咖啡因对水生生物的风险很小（风险商值低于 0.01）。尽管在青山湖流域中，磺胺甲恶唑和三氯卡班的浓度较低（水中浓度低于 25ng/L，沉积物中浓度低于 10μg/kg），但其对环境造成的风险最高。与水相比，选定的 PPCPs 在沉积物中产生的风险通常更高。
