Laboratory performance study for passive sampling of nonpolar chemicals in water

Kees Booij*, Foppe Smedes, Steven Crum

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

8 Citations (Scopus)


Two laboratory performance studies with 21 and 11 participants were carried out for passive sampling of nonpolar chemicals in water, using silicone samplers that were deployed for 7 wk and 13 wk at 2 river sites in the Netherlands. Target analytes were polychlorinated biphenyls, polycyclic aromatic hydrocarbons (PAHs), polybrominated diphenyl ethers (PBDEs), hexachlorobutadiene, hexachlorobenzene, and a number of performance reference compounds (PRCs). Calculation of aqueous concentrations based on prescribed input values and a prescribed uptake model was also included. Between-laboratory coefficients of variation (CVs) in the analysis of target compounds were approximately 20% at concentrations of 100ngg-1 and approximately 100% at concentrations of 0.01ngg-1, which was similar to previous results for the analysis of biota samples. The analysis of PRCs yielded water sampling rates with a between-laboratory CV of 18% to 30%. The sampling rate model showed a nearly perfect match with the consensus values of retained PRCs. The implications of the present study for future interlaboratory exercises are discussed.
Original languageEnglish
Pages (from-to)1156-1161
JournalEnvironmental Toxicology and Chemistry
Issue number5
Publication statusPublished - 2017


  • Analytical chemistry
  • Interlaboratory study
  • Organic contaminants
  • Passive sampler
  • Proficiency testing
  • Quality assurance


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