Osaka City Institute of Public Health and Environmental Sciences
International Coastal Research Center, Ocean Research Institute, University of Tokyo
Institute of Symbiotic Science and Technology, Tokyo University of Agriculture and Technology
Department of Biology, Universiti Putra Malaysia
Center for International Cooperation, Ocean Research Institute, The University of Tokyo
抄録
The current status of contaminations by organotin (OT) compounds in Malaysia was reviewed. Tributyltin (TBT) in water samples ranged from <1.39ng L<-1> to 115ngL<-1>1. The higher concentrations of TBTs in water samples were observed in mooring facility of pleasure crafts and the Strait of Malacca with heavy shipping traffic. TBT to total butyltin (BT) was dominant species in water samples, suggesting the latest use of TBT. Phenyltin (PT) compounds were not detected in water samples. Tributyltin in sediment samples ranged from <0.3ugkg<-1> dry to 492ugkg<-1> dry. TBT concentrations in sediment samples were high in the Strait of Johor where locates between Malaysia and Singapore. In the case of sediment, the higher percentage of degradation products of TBT was observed among total BTs. The concentrations of triphenyltin (TPT) compounds in sediment ranged from 0.1-34 ugkg<-1> dry. TBT in bivalves and fish also detected at the range of <0.5-299 ugkg<-1>1, 2.4-190 ugkg<-1>1, respectively. TBT concentrations in some biological samples exceeded the tolerable average residue levels (TALR) which calculated from tolerable daily intake (TDI) for TBT. TBT was not detected in biological samples. Most gastropods from Malaysia were caused imposex. Especially, the highest incidence was found in the Southern part of the Strait of Malacca. Geographical distribution of incidence of imposex accorded with that that of concentration of TBT in aquatic environment.
雑誌名
Coastal marine science
巻
32
号
1
ページ
96 - 101
発行年
2008-08-20
ISSN
13493000
書誌レコードID
AA11957899
フォーマット
application/pdf
日本十進分類法
452
出版者
International Coastal Research Center, Ocean Research Institute, the University of Tokyo
Organotin Contaminations in Malaysia
CMS320114.pdf
(105.66KB)
