Advancing the Use of Passive Sampling in Risk Assessment and Management of Sediments Contaminated with Hydrophobic Organic Chemicals: Results of an International Ex Situ Passive Sampling Interlaboratory Comparison
Author(s) -
Michiel T. O. Jonker,
Stephan A. van der Heijden,
Dave Adelman,
Jennifer N. Apell,
Robert M. Burgess,
Yongju Choi,
Loretta A. Fernandez,
Geanna M. Flavetta,
Upal Ghosh,
Philip M. Gschwend,
Sarah E. Hale,
Mehregan Jalalizadeh,
Mohammed A. Khairy,
Mark A. Lampi,
Wenjian Lao,
Rainer Lohmann,
Michael J. Lydy,
Keith A. Maruya,
Samuel A. Nutile,
Amy Oen,
Magdalena Rakowska,
Danny D. Reible,
Tatsiana P. Rusina,
Foppe Smedes,
Yanwen Wu
Publication year - 2018
Publication title -
environmental science and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.851
H-Index - 397
eISSN - 1520-5851
pISSN - 0013-936X
DOI - 10.1021/acs.est.7b05752
Subject(s) - sampling (signal processing) , environmental science , passive sampling , contamination , sampling design , sediment , spatial variability , sample (material) , environmental monitoring , environmental engineering , statistics , computer science , geology , chemistry , calibration , environmental health , mathematics , medicine , ecology , population , paleontology , chromatography , biology , filter (signal processing) , computer vision
This work presents the results of an international interlaboratory comparison on ex situ passive sampling in sediments. The main objectives were to map the state of the science in passively sampling sediments, identify sources of variability, provide recommendations and practical guidance for standardized passive sampling, and advance the use of passive sampling in regulatory decision making by increasing confidence in the use of the technique. The study was performed by a consortium of 11 laboratories and included experiments with 14 passive sampling formats on 3 sediments for 25 target chemicals (PAHs and PCBs). The resulting overall interlaboratory variability was large (a factor of ∼10), but standardization of methods halved this variability. The remaining variability was primarily due to factors not related to passive sampling itself, i.e., sediment heterogeneity and analytical chemistry. Excluding the latter source of variability, by performing all analyses in one laboratory, showed that passive sampling results can have a high precision and a very low intermethod variability (<factor of 1.7). It is concluded that passive sampling, irrespective of the specific method used, is fit for implementation in risk assessment and management of contaminated sediments, provided that method setup and performance, as well as chemical analyses are quality-controlled.
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