Organochlorines and mercury in waterfowl harvested in Canada

Environmental Monitoring and Assessment
Birgit M Braune, Brian J Malone

Abstract

Samples of breast muscle from 32 species of waterfowl collected from 123 sites across Canada were analyzed for chlorobenzenes (CBz), chlordane-related compounds (CHL), hexachlorocyclohexanes (HCH), DDT, mirex, dieldrin, PCBs and mercury. SigmaDDT, SigmaCBz and SigmaPCB were the compounds most frequently found above trace levels. SigmaHCH and SigmaMirex were detected the least often. Mercury was detected in all of the mergansers, over 50% of dabbling, bay and sea ducks, and in less than 2% of the geese analysed. The highest levels of contaminants were generally found in birds feeding at higher trophic levels such as sea ducks and mergansers. With the exception of a few samples of mergansers and long-tailed ducks from eastern Canada, which contained SigmaPCB concentrations of 1.0-2.4 mg kg(-1), SigmaPCB levels were less than 1 mg kg(-1) wet weight. Only one merganser from eastern Canada had a SigmaDDT concentration (2.6 mg kg(-1) ww) which was greater than 1 mg kg(-1) ww. The highest SigmaCHL (0.10 mg kg(-1) ww) was also found in mergansers from eastern Canada. Levels of total mercury in breast muscle were either low (< 1 mg kg(-1) ww) or below detection limits with the exception of a few samples of mergansers from eastern Canada...Continue Reading

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Citations

May 3, 2007·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·Anubha GoelAlba Torrents
Sep 20, 2005·Archives of Environmental Contamination and Toxicology·Birgit M Braune, Brian J Malone
Mar 15, 2008·Environmental Monitoring and Assessment·Birgit M Braune, David G Noble
Sep 27, 2015·Bulletin of Environmental Contamination and Toxicology·Łukasz J BinkowskiWłodzimierz Wojtaś
Apr 17, 2010·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Jozef GasparikPeter Massanyi
Oct 2, 2020·Journal of Environmental Radioactivity·T J Stocki, B M Braune
Nov 7, 2020·International Journal of Environmental Research and Public Health·Leonard J S TsujiEric N Liberda
Dec 1, 2009·Environmental Science & Technology·Britt D HallChristopher M Somers

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