Occurrence of emerging flame retardants from e-waste recycling activities in the northern part of Vietnam

查看全文 作　　者：Masayuki [1,2]Someya;Go [2]Suzuki;Alin [3]C.Ionas;Nguyen Minh [4,5]Tue;Fuchao [3]Xu;Hidenori [2]Matsukami;Adrian [3]Covaci;Le Huu [4,5]Tuyen;Pham Hung [5]Viet;Shin [4]Takahashi;Shinsuke [4]Tanabe;Hidetaka [2]Takigami

机构地区：[1]Tokyo Metropolitan Research Institute for Environmental Protection,1-7-5 Shinsuna Koto,Tokyo 136-0075,Japan;[2]Center for Material Cycles and Waste Management Research,National Institute for Environmental Studies(NIES),16-2 Onogawa,Tsukuba 305-8506,Japan;[3]Toxicological Centre,University of Antwerp,Universiteitsplein 1,2610 Wilrijk,Belgium;[4]Center for Marine Environmental Studies,Ehime University,2-5 Bunkyo-cho,Matsuyama 790-8577,Japan;[5]Centre for Environmental Technology and Sustainable Development,Hanoi University of Science,334 Nguyen Trai,Hanoi,Viet Nam

出　　处：《Emerging Contaminants》索引2016年第2卷第2期,共8页

基　　金：supported by the European Union Seventh Framework Program FP7/2007e2013 project INTERFLAME under grant agreement no.295138,by Grants-in-Aid for Young Scientists(A)(no.23681011);Scientific Research(A)(no.25257403);the Japan Society for the Promotion of Science(JSPS)and Environment Research and Technology Development Fund(no.3K133010);the JSPS Research Fellowships for Young Scientists(PD)in Japan provided to Mr.M.Someya(no.201105410);the European Union Seventh Framework Program(FP7/2007e2013)under grant agreement no 264600(INFLAME project)for the scholarship provided to Mr.A.C.Ionas. 摘　　要：This study investigated the contamination status of 21 emerging flame retardants(FRs)in soils(n=32)and river sediments(n=8)from an e-waste recycling(EWR)site in the northern part of Vietnam.Among analyzed FRs,higher levels of decabromodiphenyl ethane(DBDPE)(NDe4200 ng/g dw),1,2-bis-(2,4,6-tribromophenoxy)ethane(BTBPE)(NDe350 ng/g dw)and Dechlorane Plus isomers(DPs)(NDe65 ng/g dw)were found in soils near EWR workshops and open burning places.The highest concentrations of DBDPE(20 ng/g dw),BTBPE(5.7 ng/g dw)and DPs(6.7 ng/g dw)were also detected in sediments collected from the middle of the EWR site.The levels decreased concomitantly with increasing distance from the EWR site.These results indicate that these FRs were released to the surrounding environment from improper recycling activities,such as manual dismantling of devices and open burning of e-wastes.Moreover,the estimated daily intakes of those FRs via soil ingestion were approximately ten times higher for children than adults.To our knowledge,this is a first comprehensive study on characterization of soil and sediment contamination by a series of emerging FRs at an EWR site in Vietnam. 关键词：Emerging flame retardants E-WASTE Soil SEDIMENT VIETNAM

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Occurrence of emerging flame retardants from e-waste recycling activities in the northern part of Vietnam

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