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| 1 | Comprehensive monitoring of chlorinated aromatic and heteroaromatic pollutants at sites contaminated by chlorine production processes to inform policy making显示文摘The production of chlorine by the chlor-alkali process using graphite electrodes was one of the largest sources of polychlorinated dibenzo-p-dioxins and dibenzofurans(PCDD/PCDFs)in history with estimates in the kg TEQ range for individual factories.In addition,the chlorine production predecessor processes in the former Leblanc soda factories generated large amounts of PCDD/PCDFs,also in kg TEQ range for individual sites.In both processes coal tar,used as pitch binder for electrodes in the chlor-alkali process or tars for sealing chlorine chambers,was the major source for PCDD/PCDFs formation.The complex PAH mixture in the tars which were chlorinated in the processes contained approx.1%dibenzofuran.Therefore in this study we screened the full range of chlorinated aromatic and heteroaromatic compounds in contaminated soils from former chlor-alkali plants in Germany and Japan as well as from a German Leblanc factory,using high resolution time-of-flight mass spectrometry GC-HR-TOF-MS.At all three sites the full range of unintentionally produced persistent organic pollutants(POPs)listed in the Stockholm Convention(PCDFs,PCDDs,PCBs,PCNs,HCB,HCBD and PeCBz)were present at high ppb levels and TEQ was up to several 100,000 ng/kg soil in hot spot areas.Additionally,a wide range of other polychlorinated(PC-)PAHs(PC-phenanthrene/anthracene,PC-pyrene/fluoranthene,PC-benzo(a)anthracene/chrysene)were detected.Some of these compound classes were present in one to two order of magnitude higher concentrations compared to PCDFs.Furthermore,polychlorinated methyldibenzofurans,polychlorinated dimethyl-/ethyl-dibenzofurans,and polychlorinated carbazoles e the N-analogue of dibenzofuran-were detected at levels comparable to PCDFs at all three sites.Polychlorinated benzonitriles were detected in addition to chlorobenzenes as monoaromatic pollutant.Since all three factories have stopped production 50e120 years ago,all detected chlorinated aromatics can be regarded as very persistent.The technologies have been used in several hundred locations globally.These(former)chlorine production sites should be assessed for contamination and their contemporary threat to humans and the environment should be evaluated.The toxicity of most of these polychlorinated PAHs and hetero-PAHs is unknown but due to their related structures,similar toxicity profiles can be expected and need to be investigated.Furthermore,all processes where chlorine and complex organic material are present should be screened for the entire resulting chlorinated pollutant mixture,the detailed fingerprints should be documented,and the overall toxicological risk assessed for individual processes to inform policy making. | Takumi Takasuga Hiroaki Takemori Teru Yamamoto Kazuo Higashino Yuko Sasaki Roland Weber | 2020 | Emerging Contaminants2020，6，1： | 4 |
| 2 | Separation and recovery( % ) of dioxin-like polychlorinated biphenyls, dioxins and furans through power-prep by fluid management systems 显示文摘 | Hidenori Matsukami Atsuhiro Hayashi Takumi Takasuga | 2003 | Organohalogen Compounds2003，60，： | 1 |
| 3 | Dissection of Genetic Factors Modulating Fetal Growth in Cattle Indicates a Substantial Role of the Non-SMC Condensin I Complex, Subunit G (NCAPG) Gene显示文摘 | Eberlein Annett Takasuga Akiko Setoguchi Kouji Pfuhl Ralf Flisikowski Krzysztof Fries Ruedi Klopp Norman Fürbass Rainer Weikard Rosemarie Kühn Christa | 2009 | Genetics2009，，3： | 1 |
| 4 | Risk assessment of short- chain chlorinated paraffins in Japan based on the first market bas- ket study and species sensitivity distributions 显示文摘 | Iino F Takasuga T Senthilkumar K | 2005 | Environ Sci Techno12005，39，： | 1 |
| 5 | Perfluorinat- ed compounds in river water, river, sediment, market fish, and wildlife samples from Japan显示文摘 | SENTHIKUMAR K SAJWAN K TAKASUGA T | 2007 | Bulletin of Environtrental Contamina- tion and Toxicology2007，79，4： | 1 |
| 6 | Risk as-sessment of short-chain chlorinated paraffins in Japan based on the first market basket study and species sensi-tivity distributions显示文摘 | Iino F Takasuga T Senthilkumar K | | 0，，： | 1 |
| 7 | Prelimi-nary study of polychlorinated n-alkanes in standard mixtures,river water samples from Japan by HRGC-HRMS with negative ion chemical ionization显示文摘 | Takasuga T Hayashi A Yamashita M | | 0，，： | 1 |
| 8 | Isotope di- lunon analysis of polychlonnated biphenyls (PCBs)in trans- former oil and global commercial PCB formulations by high resolution gas chromatography-high resolution mass spec- trometry显示文摘 | Takasuga T Senthilkumar K Matsumura T | 2006 | Chemosphere2006，62，3： | 1 |
| 9 | Dietary exposure to short-chain chlorinated paraffins has increased in Beijing, China 显示文摘 | Harada K H Takasuga T | 2011 | Environ Sci Techno12011，45，： | 1 |
| 10 | Development of an all congener specific, HRGC/HRMS analytical method for polychlorinated naphthalenes in environmental samples 显示文摘 | TAKASUGA T LNOUE T OHI E | 1994 | Organohalogen Comp1994，19，： | 1 |
| 11 | Seasonal variation in paroxysmal atrial fibrillation documented by 24-hour Hoher electrocardiogram显示文摘 | Watanabe E Kuno Y Takasuga H | 2007 | Heart Rhythm2007，4，1： | 1 |
| 12 | Impact of fermented brown rice with Aspergillus oryzae (FEBRA) intake and concentrations of polybrominated diphenylethers (PBDEs) in blood of humans from Japan显示文摘 | TAKASUGA T SENTHILKUMAR K TAKEMORI H | 2004 | Chemosphere2004，57，8： | 1 |
| 13 | Risk assessment of short-chain chlorinated paraffins in Japan based on the first market basket study and species sensitivity distributions 显示文摘 | lion F Takasuga T Senthilkumar K | 2005 | Environ Sci Technol2005，39，： | 1 |
| 14 | Dissection of Genetic Factors Modulating Fetal Growth in Cattle Indicates a Substantial Role of the Non-SMC Condensin I Complex, Subunit G (NCAPG) Gene显示文摘 | Eberlein Annett Takasuga Akiko Setoguchi Kouji Pfuhl Ralf Flisikowski Krzysztof Fries Ruedi Klopp Norman Fürbass Rainer Weikard Rosemarie Kühn Christa | 2009 | Genetics2009，，3： | 1 |
| 15 | Seasonal variation in paroxysmal atrial fibrillation documented by 24-hour Holter eleetroeardiogram显示文摘 | Watanabe E Kuno Y Takasuga H | 2007 | Heart Rhythm2007，4，1： | 1 |
| 16 | Determination of the composition of the commercial PCBs, Kanechlor, Clophen, Aroclor, Chlorofen, and Sovol, by HRGC-HRMS 显示文摘 | Takasuga T Inouc T Ishida T | 1996 | Organohalogen Compounds1996，27，： | 1 |
| 17 | Risk assessment of short-chain chlorinated paraffins in Japan based on the first market basket study and species sensitivity distributions显示文摘 | Iino F Takasuga T Senthilkumar K | 2005 | Environmental Science and Technology2005，39，： | 1 |
| 18 | Isotope dilution analysis of polychlorinated biphenyls (PCBs) in transformer oil and global commercial PCB formulations by high resolution gas chromatography-high resolution mass spectrometry 显示文摘 | TAKASUGA T SENTHILKUMAR K MATSUMURA T | 2006 | Chemosphere2006，62，3： | 1 |
| 19 | Dietary exposure to short-chain chlorinated paraffins has increased in Beijing,China显示文摘 | Kouji H Harada Takumi Takasuga | 2011 | Environmental Science and Technology2011，45，16： | 1 |
| 20 | A comprehensive genetic map of the cattle genome based on 3802 Microsatellites显示文摘 | Ihara Takasuga Mizoshita | 2004 | Genome Res2004，14，： | 1 |
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