Distribution, historical trends and inventories of polychlorinated biphenyls in sediment from Yangtze River Estuary and adjacent East China Sea

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dc.contributor.authorZhang, Carl
dc.date.accessioned2020-04-13T18:59:28Z
dc.date.available2020-04-13T18:59:28Z
dc.date.issued2012
dc.description.abstractA large portion of polychlorinated biphenyls (PCBs) from e-waste released into the coastal areas may be the potential source of PCBs to the global oceans. The paper presents data of PCBs concentrations in fifty surface sediment samples and a dated sediment core in Yangtze River Delta (YRE) and adjacent East China Sea (ECS). The total PCBs levels varied from 5.08 to 19.64 ng/g dry weight, with the highest concentrations situate within the river-sea boundary zone which is so-called “marginal filter”. Concurrent with the operation of e-waste recycling over the last two decades, PCB fluxes started to rise again after 1980s and reached a maximum in this century. The full data set was used to estimate the burden of PCBs in YRE and adjacent ECS. A total sediment burdens were 192.8 tons, with the spatial density of 364 ng/cm2 which accounts for 1.9% of all the PCBs in China.en_US
dc.identifier.citationYang H, Zhuo S, Xue B, Zhang C, Liu W (2012), Distribution, historical trends and inventories of polychlorinated biphenyls in sediments from Yangtze River Estuary and adjacent East China Sea, Environmental Pollution, 169:20-26.en_US
dc.identifier.urihttps://hdl.handle.net/10657.1/2257
dc.publisherEnvironmental Pollutionen_US
dc.subjectPolychlorinated biphenylsSediment PCBsE-wasteEstuarySpatial patternPCB sourceen_US
dc.titleDistribution, historical trends and inventories of polychlorinated biphenyls in sediment from Yangtze River Estuary and adjacent East China Seaen_US
dc.typeArticleen_US

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College of Science and Engineering
Chunlong (Carl) Zhang