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Mobile passive samplers: Concept for a novel mode of exposure
Stockholm University, Faculty of Science, Department of Systems Ecology.
Stockholm University, Faculty of Science, Department of Systems Ecology.
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2011 (English)In: Environmental Pollution, ISSN 0269-7491, E-ISSN 1873-6424, Vol. 159, no 10, 2393-2397 p.Article in journal (Refereed) Published
Abstract [en]

Integrative passive sampling with devices such as semipermeable membrane devices generally relies on rigs for month-long static exposures in water. We evaluate here whether mobile exposures of passive samplers can provide reliable estimates of dissolved contaminant concentrations. Mobile exposures were obtained by towing samplers fastened to the end of a benthic trawl net. Significant and reproducible absorption of polycyclic aromatic hydrocarbons during 5 h-long deployments was made possible by high sampling rates resulting from high water turbulences during towing at 1.2-1.5 knots. Sampling rates (72-215 L d(-1)) estimated from the dissipation of performance reference compounds were supported by in situ calibration with samplers exposed for a 30 days in the vicinity of the test site. Higher fluoranthene and pyrene absorption in samplers exposed to the trawling-induced sediment plume could be attributed to desorption from re-suspended sediments. This mode of exposure has the potential to be used in monitoring programmes.

Place, publisher, year, edition, pages
2011. Vol. 159, no 10, 2393-2397 p.
Keyword [en]
Passive sampling, Semipermeable membrane devices, Sampling rate
National Category
Natural Sciences
URN: urn:nbn:se:su:diva-69902DOI: 10.1016/j.envpol.2011.06.039ISI: 000295493100023OAI: diva2:479737
authorCount :5Available from: 2012-01-18 Created: 2012-01-15 Last updated: 2012-01-18Bibliographically approved

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Tjensvoll, IngridBradshaw, Clare
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