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J Chromatogr B Analyt Technol Biomed Life Sci

Title:		Human blood and environmental media screening method for pesticides and polychlorinated biphenyl compounds using liquid extraction and gas chromatography-mass spectrometry analysis
Author(s):		Liu S; Pleil JD;
Address:		"ManTech Environmental Technology, Inc, Research Triangle Park, NC 27709, USA"
Journal Title:		J Chromatogr B Analyt Technol Biomed Life Sci
Year:		2002
Volume:		769
Issue:		1
Page Number:		155 - 167
DOI:		10.1016/s1570-0232(01)00640-7
ISSN/ISBN:		1570-0232 (Print) 1570-0232 (Linking)
Abstract:		"Screening assessment methods have been developed for semi- and non-volatile persistent organic pollutants (POPs) for human blood and solid environmental media. The specific methodology is developed for measuring the presence of 'native' compounds, specifically, a variety of organochlorine pesticides (OCPs), organophosphate pesticides (OPPs), and for polychlorinated biphenyls (PCBs). The method is demonstrated on anonymous Red Cross blood samples as well as two potential environmental sources, tracked in soil and dog hair. This work is based on previously developed methods for semi-volatile hydrocarbon exposure from fuels usage and similarly employs liquid solvent extraction, evaporative volume reduction. and subsequent specialized gas chromatography-mass spectrometry analysis (GC-MS). Standard curves, estimates of recovery efficiency, and specific GC-MS SIM quantification methods were developed for common pesticides including diazinon. aldrin, chlorpyrifos, malathion, dieldrin, DDT, permethrin, cyhalothrin, and cypermethrin, and for seven selected PCBs. Trace levels of certain PCBs and pesticides such as permethrin, dieldrin, malathion, lindane, diazinon, and chlorpyrifos were tentatively identified in anonymous blood samples as well as in two potential environmental sources. tracked in soil and dog hair. The method provides a simple screening procedure for various media and a variety of common organic pollutants without extensive sample preparation. It is meant to complement and augment data from more specific or complex methodology, to provide initial broad spectrum guidance for designing targeted experiments, and to provide confirmatory evidence for the usual metabolic biomarker measurements made to assess human exposure"
Keywords:		Environmental Monitoring/*methods Gas Chromatography-Mass Spectrometry/*methods Hair/chemistry Humans Pesticides/*analysis/blood Polychlorinated Biphenyls/*analysis/blood;
Notes:		"MedlineLiu, Siming Pleil, Joachim D eng Research Support, U.S. Gov't, Non-P.H.S. Netherlands 2002/04/09 J Chromatogr B Analyt Technol Biomed Life Sci. 2002 Mar 25; 769(1):155-67. doi: 10.1016/s1570-0232(01)00640-7"