||Method validation and application for semivolatile organic compounds in dust and soil : pesticides and PCBs /
Nishioka, Marcia G. ;
Lewtas, Joellen. ;
Nishioka, M. G. ;
Andrews, K. D.
||Battelle Memorial Inst., Columbus, OH.;Environmental Protection Agency, Research Triangle Park, NC. National Exposure Research Lab.
|| U.S. Environment Protection Agency, Office of Research and Development, National Exposure Research Laboratory,
Health risk assessment. ;
Polychlorinated biphenyls ;
Environmental exposure pathway ;
Residential buildings ;
Chemical analysis ;
Test methods ;
Analytical methods ;
Gas chromatography ;
Quality assurance ;
Semivolatile organic compounds ;
ECD(Electron Capture Detection)
||Region 10 Library/Seattle,WA
||Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy.
||56 pages : illustrations ; 28 cm
||This work assignment was designed to evaluate the extent to which persistent organic pollutants from diverse chemical classes are present in the outdoor soil, entry-way soil, and house dust of representative lower socio-economic homes. Those pollutants evaluated included organo-phosphate insecticides (OP), a cyanoaromatic fungicide (CN), organo-chlorine insecticides (OC), an acidic lawn herbicide (HA), a chlorinated phenol (multipurpose insecticide, fungicide, and herbicide; HA) and polychlorinated biphenyls (PCB). Analyses were conducted using several different analytical approaches. The methods were used to evaluate the precision and accuracy, and trade-offs in these modes of analysis, that are made with different extraction, cleanup, and detection methods. The comparison of analytical methods in this study indicated that sonication extraction with a simple solid phase extraction (SPE) cleanup step may provide more reliable data than that which can be achieved with Soxhlet extraction and no cleanup. An additional benefit to this approach is the possibility of conducting analyses with lower cost GC/ECD analyses, rather than with higher cost GC/MS analyses.
||"Nancy K. Wilson, project officer." EPA/600/R-97/141." "January 1998." "PB98-113376." "Contract no. 68-D4-0023." Microfiche.
||Research Triangle Park, N.C. :
||See also PB97-122725 and PB97-122857. Sponsored by Environmental Protection Agency, Research Triangle Park, NC. National Exposure Research Lab.
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||National Exposure Research Laboratory (Research Triangle Park, N.C.) ; Battelle Memorial Institute.
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||PC A05/MF A01
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