Archives of Environmental Contamination and Toxicology

, Volume 35, Issue 1, pp 64-69

First online:

Occurrence of Butyltin Compounds in Tissues of Water Birds and Seaducks from the United States and Canada

  • K.  KannanAffiliated withPesticide Research Center, National Food Safety and Toxicology Center, Institute of Environmental Toxicology, Department of Zoology, Michigan State University, East Lansing, Michigan 48824, USA
  • , K.  SenthilkumarAffiliated withDepartment of Environment Conservation, Ehime University, Tarumi 3-5-7, Matsuyama 790, Japan
  • , J. E.  ElliottAffiliated withCanadian Wildlife Service, Pacific Wildlife Research Centre, 5421 Robertson Road RR1, Delta BC V4K 3N2, Canada
  • , L. A.  FeykAffiliated withPesticide Research Center, National Food Safety and Toxicology Center, Institute of Environmental Toxicology, Department of Zoology, Michigan State University, East Lansing, Michigan 48824, USA
  • , J. P.  GiesyAffiliated withPesticide Research Center, National Food Safety and Toxicology Center, Institute of Environmental Toxicology, Department of Zoology, Michigan State University, East Lansing, Michigan 48824, USA

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Abstract.

Tributyltin and its breakdown products, mono- and di-butyltin, were determined in water birds collected from Lake Huron (the Great Lakes), marine coastal United States, and the west coast of British Columbia, Canada. Concentrations of butyltins in the liver of birds collected from Lake Huron were ≤ 27 ng/g, wet wt, whereas those from marine coastal areas contained up to 90 ng/g. Relatively higher concentrations were found in seaducks collected from coastal British Columbia, with concentrations as great as 1,100 ng/g. Mollusk-feeding seaducks seemed to accumulate greater concentrations of butyltins than predatory birds feeding on fish, other birds and small mammals. Hepatic concentration ranges of butyltins in birds from the United States and Canada were compared with those reported for the UK, Netherlands, Japan, and Poland. Exposure of birds to butyltin compounds continues to occur in harbors and marinas where TBT is used on vessels greater than 25 m in length.