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  • Title: PCDDs/PCDFs and PCBs in water samples from the Three Gorge Reservoir.
    Author: Chen JA, Luo J, Qiu Z, Xu C, Huang Y, Jin YH, Saito N, Yoshida T, Ozawa K, Cao J, Shu W.
    Journal: Chemosphere; 2008 Feb; 70(9):1545-51. PubMed ID: 17928033.
    Abstract:
    The Three Gorge Reservoir (TGR) is the largest reservoir in China and its water quality is an important health concern, we have determined the concentrations of PCDDs/PCDFs and PCBs in the water samples collected at three seasons: August 2004, January 2005 and August 2005. The results showed that the average WHO-TEQ of total dioxins-like compounds (PCDDs/PCDFs+PCBs) was 0.06558 pg l(-1), ranged from 0.0008 to 0.32439 pg l(-1), which are much lower than other reported water sources. The main dioxins (PCDDs/PCDFs) are hepta- and octa-chlorinated dibenzo-p-dioxins (CDDs) and chlorinated dibenzofurans (CDFs). Since the levels of dioxins may change after the last water-store stage, the present study provides important data to compare the water quality in the TGR in the future.
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