Analysis of polychlorinated biphenyls, polychlorinated dibenzo-p-dioxins and dibenzofurans in particulate and oily films on impervious surfaces

The Science of the Total Environment
Marcel KleesTorsten C Schmidt

Abstract

During this study wipe sampling was applied to various impervious surfaces for the determination of polychlorinated biphenyls (PCBs) and polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/PCDFs) area concentrations. To that end, a wipe sampling method based on solvent wetted cotton wipes was evaluated and transfer efficiencies of PCBs and PCDD/PCDFs in particulate films (PFs) and oily liquid films (OFs) during sampling were investigated. For PFs sufficient transfer efficiencies of low concentrated PCB and PCDD/PCDF congeners in 1g/m(2) spiking surrogate were achieved after the first wipe using n-hexane as wetting solvent. Transfer efficiencies for OFs were the highest in the first wipe if n-hexane or n-heptane were used rather than toluene. The spiking experiments of OFs showed a log-linear correlation between the number of wiping procedures and transfer efficiency which indicates that transfer efficiencies were constant in subsequent wipes. Furthermore, it was successfully demonstrated that pressurized liquid extraction is a suitable tool for the extraction of wipe samples. Finally, the feasibility of this wipe sampling method was demonstrated on various impervious surfaces of different origin, and concentration levels ...Continue Reading

References

Jun 23, 2000·Chemosphere·P RuokojärviJ Ruuskanen
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Oct 4, 2002·Environmental Health Perspectives·Paul J LioyJames R Millette
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Jun 5, 2008·Environmental Science & Technology·Heather M StapletonThomas F Webster
Jul 17, 2009·Environmental Science & Technology·Daniel M StoutDavid C Cox
Aug 6, 2011·The Science of the Total Environment·Nicole C DezielMichael Dellarco

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Citations

Mar 24, 2017·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Ahmet Egemen SakinYucel Tasdemir
Apr 29, 2019·The Science of the Total Environment·Gerhard SchertzingerBernd Sures

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