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Open-File Report 2008-1028


Publications Warehouse OFR 2008-1028

Prepared in cooperation with the Missouri Department of Conservation

Determination of Polychlorinated Biphenyls, Selected Persistent Organochlorine Pesticides, and Polybrominated Flame Retardants in Fillets of Fishes from the 2006 Missouri Department of Conservation Monitoring Programs

By Robert W. Gale1 , Thomas W. May1, Carl E. Orazio1, and Michael J. McKee2 
1 U.S. Geological Survey   2Missouri Department of Conservation

OFR 2008-1028

Abstract

This report presents the results of a study to determine polychlorinated biphenyl, organochlorine pesticide, and polybrominated diphenyl ether flame retardant concentrations in selected fishes from lakes and streams across Missouri. Fillets were collected from each fish sample, and after homogenization, compositing, and preparation, analyte concentrations were determined with dual column capillary gas chromatography-electron-capture detection. Total concentrations of polychlorinated biphenyls in samples ranged from background levels of about 20 to 1,200 nanograms per gram. Chlordanes and DDT-related chemicals constituted the primary classes of pesticides present at elevated concentrations in most samples, and ranged from 5 to 340 nanograms per gram. Total concentrations of polybrominated diphenyl ethers in samples ranged from background levels of about 5 to about 410 nanograms per gram. Concentrations of total technical chlordane ranged from less than 5 to 260 nanograms per gram. Concentrations of polychlorinated biphenyls, chlordanes, DDT-related compounds, and polybrominated diphenyl ethers were all greatest in samples of blue catfish from Cape Girardeau and Weldon Spring.

Posted March 2008

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Citation

Gale, R.W., May, T.W., Orazio, C.E., and McKee, M.J., 2008, Determination of polychlorinated biphenyls, selected persistent organochlorine pesticides, and polybrominated flame retardants in fillets of fishes from the 2006 Missouri Department of Conservation Monitoring Programs: U.S. Geological Survey Open-File Report 2008–1028, 36 p.

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