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首页> 外文期刊>Bulletin of Environmental Contamination and Toxicology >Polychlorinated Biphenyls in Selected Sites in Pasig River and Laguna Lake in the Philippines Before and After a Big Flood Event Investigated Under the UNU East Asia Regional POPs Monitoring Project.
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Polychlorinated Biphenyls in Selected Sites in Pasig River and Laguna Lake in the Philippines Before and After a Big Flood Event Investigated Under the UNU East Asia Regional POPs Monitoring Project.

机译：在联合国大学东亚区域持久性有机污染物监测项目调查大洪水事件前后，菲律宾帕西格河和拉古纳湖某些地点的多氯联苯。

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摘要

This paper reports the results of the 2009 United Nations University (UNU) East Asia Regional Monitoring of the Coastal Hydrosphere Project implemented in the Philippines. The monitoring activity focused on the concentrations of 16 specific congeners of Polychlorinated Biphenyls in selected sites in Pasig River and Laguna Lake for two sampling periods in August and in November, 2009. The results show that the total concentrations of PCBs detected in the sampling sites in August increased during the November sampling from 0.9-12.2 to 6.1-32[NON-BREAKING SPACE]ng/L in Pasig River and from 0.1-0.9 to 2.9-10.8[NON-BREAKING SPACE]ng/L in Laguna Lake. The increase in PCB concentrations on second sampling is attributed to the increase in contaminated sediments in the river sites and to the overflow of contaminated water in the lake sites; both of which could have been caused by the flooding event that occurred in September 2009.
机译：本文报告了在菲律宾实施的2009年联合国大学（UNU）沿海水圈东亚区域监测项目的结果。监测活动集中于2009年8月和2009年11月的两个采样期中的帕西格河和拉古纳湖某些地点的16种特定多氯联苯同源物的浓度。结果表明，在这些采样点中检测到的多氯联苯的总浓度为Pasig河的8月采样时间从11月的0.9-12.2提高到6.1-32 [non-BREAKING SPACE] ng / L，拉古纳湖则从0.1-0.9升高到2.9-10.8 [NON-BREAKING SPACE] ng / L。第二次采样中多氯联苯浓度的增加归因于河流地点受污染的沉积物增加以及湖泊地点受污染的水溢出;两者都可能是由2009年9月发生的洪水事件引起的。

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